COMBINED AIR HANDLING UNIT WITH HEAT RECOVERY

Beijing Holtop Artificial Environment Technology Co., Ltd ISO 9001: 2000 Approved Company

Energy Recovery Ventilation Specialist

COMPANY

BRIEF INTRODUCTION TO COMPANY

Holtop is dedicated to the research and technology development in the filed of indoor air quality. It is the leading company in China who professionally produces heat recovery ventilation system.

Covering a land of 20000 square meters, Holtop was created in May, 2002 furnished with first-class plants and equipments. Through innovation, it developed its own key components like plate and rotary heat exchangers for various heat & energy recovery systems. It provides now full lines of products covering 5 series and 98 specifications which can basically satisfy the needs of various airflows and installations worldwidely.

Holtop is trusted by the users for its advanced technology, superb product quality and all-around services. By the end of year 2006, Holtop has supplied successfully to over 3000 customers in the domestic market and exported its products to Japan, Korea, Russia, Italy, Belgium, Australia, New Zealand, etc.

Let's join together to contribute to our commitment of energy saving and pollution reduction.

ENERGY RECOVERY VENTILATION SPECIALIST

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CONTENTS

BRIEF INTRODUTION TO COMPANY MAIN FEATURES UNDERSTANDING MODEL NUMBERS EASY SELECTION DIAGRAMS AND MARKS OF FUNCTIONAL SECTIONS TYPICAL COMBINATIONS WITH ROTARY HEAT EXCHANGER(RHE) TYPICAL COMBINATIONS WITH PLATE HEAT EXCHANGER(PHE) COOLING/HEATING SECTION COOLING CAPACITY AND COILS HEATING CAPACITY AND COILS ROTARY HEAT EXCHANER SECTION PLATE HEAT EXCHANGER SECTION FAN SECTION HUMIDIFYING SECTION FILTER SECTION CONTROL SYSTEM INSTALLATION, OPERATION AND MAINTENANCE

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Working principle ● Both supply fan and exhaust fan are built inside to

bring in fresh air and exhaust out the stale indoor air as well, thus to keep indoor space in natural comfort.

● Built-in heat exchanger (rotary heat exchanger or plate heat exchanger) transfers energy contained in the outgoing indoor air to the coming fresh air, thus fresh air is precooled or preheated.

● Various functional sections such as filter section, cooling/heating section, humidifying section etc. can be combined together to meet different air treatment requirements.

Housing construction features ● Frost resisting cold bridge design Double-skin panel sandwiched with high density PU foam, thermal conductivity below 0.01999W/m•℃,

insuring high performance between -40℃ and +70℃. ● High mechanical strength Galvanized sheet inner skin, color steel sheet outer skin, strong steel framework, pressure endurance up to

2000Pa, suitable for large air application.

● High air impermeability Double inlaid sealing to join the frameworks and panels tight, minimizing air leakage. ● Flexible combination Designed with 102mm modulus, frameworks and panels are flexible to change according to design

requirements.

MAIN FEATURES

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HJK AHU model numbers

HJK-30-G-R-6 S-Y

Judging left or right type. Look at the direction of airflow supplied to indoor, it’s left type if water pipes are located on the left side of the unit; otherwise, it’s a right type. For standard AHU, service door, wiring port and water pipe locate on the same side.

Water pipe location, Z for left and Y for right

S- Humidifying

Row number of cooling/heating coil, for example 2/4/6/8 rows

R-Rotary heat exchanger, P-Plate heat exchanger

Filter class: G stands for coarse; F stands for medium; H stands for high

Nominal airflow divided by 1000

Holtop energy recovery AHU

UNDERSTANDING MODEL NUMBERS

Understanding Housing specs Husing is panel structured, designed and producted modularly

08A 06 09

Housing series 08A: 25mm thick panel of floor AHU, suitable for 2000~40000CMH. 08B: 40mm thick panel of floor AHU, suitable for 10000~50000CMH. Modular number and dimension calculation 1) Height(H): 08A H=n*102+40+100(underframe), 08B H=n*102+70+100(underframe) 2) Width(W): 08A W=n*102+40, 08B W=n*102+70

Width modul number(W) Height modul number(H) Housing series type

Supply air direction

Left type

Right type

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Selection table A (08A series)

Housing specs

（08A）

Dimensions(mm) Airflow (m3/h) Rotary heat exchanger

(RHE)

Plate heat exchanger (PHE)

Coil face area(m2)

External pressure (Pa)

2.5m/s 3.0m/s 3.5m/s

0609 HRS(T)700 JX(Q)312*312*454-2 0.311 250-400 2799 3358 3918

0710 HRS(T)800 JX(Q)372*372*505-2 0.458 300-420 4122 4946 5771

0712 HRS(T)900 N/A 0.571 300-450 5144 6168 7195

0812 N/A JX(Q)472*472*404-3 0.571 300-450 5144 6168 7195

0913 HRS(T)1100 JX(Q)552*552*438-3 0.838 320-480 7542 9050 10558

0915 HRS(T)1300 JX(Q)552*552*380-4 0.99 350-500 8910 10692 12474

1018 HRS(T)1500 JX(Q)652*652*455-4 1.321 350-550 11889 14266 16644

1218 HRS(T)1600 JX(Q)802*802*454-4 1.728 350-550 15552 18662 21773

1320 HRS(T)1800 JX(Q)1032*1032*402-5 2.057 350-550 18512 22215 25918

1322 HRS(T)2000 JX(Q)1212*1212*370-6 2.413 400-550 21718 26060 30403

1624 HRS(T)2200 JX(Q)1352*1352*402-6 3.073 400-600 27657 33188 38720

1627 HRS(T)2400 JX(Q)1352*1352*455-6 3.495 350-650 31445 37746 44037

Selection table B (08Bseries)

Housing specs

（08A）

Dimensions(mm) Airflow (m3/h) Rotary heat exchanger

(RHE)

Plate heat exchanger (PHE)

Coil face area(m2)

External pressure (Pa)

2.5m/s 3.0m/s 3.5m/s

1018 HRS(T)1500 JX(Q)652*652*455-4 1.321 350-550 11889 14266 16644

1218 HRS(T)1600 JX(Q)802*802*454-4 1.727 350-550 15552 18662 21773

1320 HRS(T)1800 JX(Q)1032*1032*402-5 2.057 350-550 18513 22215 25918

1322 HRS(T)2000 JX(Q)1212*1212*370-6 2.413 350-520 21718 26060 30403

1624 HRS(T)2200 JX(Q)1352*1352*402-6 3.073 350-550 27657 33188 38720

1627 HRS(T)2400 JX(Q)1352*1352*455-6 3.495 350-650 31445 37746 44037

1729 HRS(T)2600 JX(Q)1512*1512*419-7 4.115 380-680 37035 44442 51849

0915 HRS(T)1300 JX(Q)552*552*380-4 0.990 350-550 8910 10692 12474

Selection of rotary heat exchanger and plate heat exchanger

Plate heat exchanger (PHE) simple construction, safe operation, drive free，good air tightness, cross contamination free. But large spacing taken up, not suitable for large airflow.

Rotary heat exchanger (RHE) compact construction, high recovery effectiveness, less spacing taken up, driven power required，suitable for large airflow. Not suitable for occasions of injurants or toxicant due to its small cross contamination.

EASY SELECTION

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No. Functional sections Diagrams Marks Length Remarks

1 Plate coarse filter 2M

2 Mixing filters 5M

3 Cooling coil 6M 7M

Breakwater available, 7M is for 8-row coil.

4 Heating coil

6M Can be installed in cooling section, if so, cooling section length is 7M.

5 Steam heating coil 6M

6 Electrical heater Can be installed along with coils, space saving.

7 Wet-film humidifier

Can be installed along with coils, water pan. space saving.

8 Dry steam humidifier 2M

9 High pressure spray humidifier 4M

10 Double gasified humidifier 4M

11 Fans Air-out direction can be adjusted at request.

12 Rotary heat exchanger

(RHE) 5M

13 Plate heat exchanger (PHE)

14 Mixing section (0609-0915)2M

(1018-1729)4M

DIAGRAMS AND MARKS OF FUNCTIONAL SECTIONS

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● Up-down layer construction, concise, compact.

● Rotary heat exchanger(RHE) as a basic part. Humidifying section, coil section etc. selectable as per requirements.

Main features

Combination 2：RHE + coarse/medium filter + cooling/heating coil+ fans

Combination 1：RHE + coarse/medium filter + fans

Housing specs

08A 08B

0609 0710 0712 0913 0915 1018 1218 1320 1322 1624 1627 0915 1018 1218 1320 1322 1624 1627 1729

Wt.(Kg) 479 651 757 977 1269 1475 1811 2149 2368 2858 3436 1329 1472 1726 2203 2375 2919 3549 4370

Housing specs

08A 08B

0609 0710 0712 0913 0915 1018 1218 1320 1322 1624 1627 0915 1018 1218 1320 1322 1624 1627 1729

Wt.(Kg) 527 706 819 1046 1341 1557 1897 2243 2466 2974 3566 1406 1559 1874 2303 2478 3041 3671 4525

TYPICAL COMBINATIONS WITH ROTARY HEAT EXCHANGER(RHE)

Exhaust fan RHE Coarse filter

Medium filter RHE Supply fan

Medium filter RHE Coils Supply fan

Exhaust fan RHE Coarse filter

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Housing specs

Dimensions（mm) Air outlet(mm) Damper(mm)

wieght(Kg) Length width Height

L1 L2 L3 L4 L5 L6 W H1 RFK(W*H) CFK(W*H) A*B

08A-0609 7M 5M 2M 2M 6M 7M 9M 6M 800*300 500*300 600*150 558

08A-0710 8M 5M 2M 2M 6M 8M 10M 7M 900*300 650*300 600*150 744

08A-0712 8M 5M 2M 2M 6M 8M 12M 7M 1100*400 650*400 750*150 860

08A-0913 9M 5M 2M 2M 6M 9M 13M 9M 1200*450 800*450 900*150 1092

08A-0915 10M 5M 2M 2M 6M 10M 15M 9M 1400*500 800*500 1050*150 1389

08A-1018 11M 5M 2M 4M 6M 11M 18M 10M 1700*500 1000*500 900*300 1667

08A-1218 12M 5M 2M 4M 6M 12M 18M 12M 1700*700 1000*700 1200*300 2012

08A-1320 13M 5M 2M 4M 6M 13M 20M 13M 1900*800 1200*800 1200*300 2369

08A-1322 13M 5M 2M 4M 6M 13M 22M 13M 2100*800 1200*800 1350*300 2596

08A-1624 15M 5M 2M 4M 6M 15M 24M 16M 2300*900 1200*900 1650*300 3128

08A-1627 15M 5M 2M 4M 6M 15M 27M 16M 2600*900 1200*900 1800*300 3716

08B-0915 10M 5M 2M 2M 6M 10M 15M 9M 1400*500 800*500 1650*300 1458

08B-1018 11M 5M 2M 4M 6M 11M 18M 10M 1700*500 1000*500 1050*300 1674

08B-1218 12M 5M 2M 4M 6M 12M 18M 12M 1700*600 1000*600 1200*300 1939

08B-1320 13M 5M 2M 4M 6M 13M 20M 13M 1900*800 1200*800 1200*300 2435

08B-1322 13M 5M 2M 4M 6M 13M 22M 13M 2100*800 1200*800 1350*300 2614

08B-1624 15M 5M 2M 4M 6M 15M 24M 16M 2300*900 1400*900 1650*300 3203

08B-1627 15M 5M 2M 4M 6M 15M 27M 16M 2600*900 1400*900 1800*300 3840

08B-1729 17M 5M 2M 4M 6M 17M 29M 17M 2800*1000 1600*1000 1800*450 4731

Note：1) Ｌ5 stands for length of sections using wet-film humidifier, please see page 10 for section lengths for other humidifiers. 2) H2=100.

Combination 3：RHE + coarse/medium filter + mix air + cooling/heating coil + fans

TYPICAL COMBINATIONS WITH ROTARY HEAT EXCHANGER(RHE)

Exhaust fan RHE Mix air Coarse filters

Medium filters RHE Mix air Supply fan Coil&

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● Single or double layer construction, simple and lowcost.

● Plate heat exchanger(PHE) as a basic part, humidifying section, coil section etc selectable as per requirements.

Small airflow series

Main features

Combination 1：PHE + coarse filter + fans

Combination 2: PHE + coarse filter + cooling/heating coil + fans

Housing specs 08A 08B

0609 0710 0712 0913 0915 1018 1218 0915 1018 1218

Wt.(Kg) 359 461 559 707 912 1178 1540 1111 1279 1572

Housing specs 08A 08B

0609 0710 0712 0913 0915 1018 1218 0915 1018 1218

Wt.(Kg) 407 517 624 776 1044 1260 1626 1188 1366 1663

TYPICAL COMBINATIONS WITH PLATE HEAT EXCHANGER(PHE)

Exhaust fan PHE Supply fan

Exhaust fan PHE Supply fan Coil&

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Housing specs dimensions（mm)

Air outlet(mm) Damper (mm) Weight(Kg)

Length Width Height L1 L2 L3 L4 L5 L6 W H1 RFK(W*H) CFK(W*H) A*B Com.3 Com.4

08A-0609 7M 8M 4M 6M 12M 6M 9M 6M 800*300 500*300 600*150 541 493 08A-0710 8M 8M 4M 6M 12M 6M 10M 7M 900*240 600*300 600*150 673 617 08A-0812 8M 9M 4M 6M 13M 7M 12M 8M 1100*300 650*400 750*150 815 751 08A-0913 9M 10M 4M 6M 14M 8M 13M 9M 1200*320 800*450 900*150 992 923 08A-0915 10M 10M 4M 6M 14M 8M 15M 9M 1400*360 800*500 1050*150 1269 1197 08A-1018 11M 11M 5M 6M 14M 10M 18M 10M 1700*400 1000*500 900*300 1531 1476 08A-1218 12M 13M 5M 6M 14M 12M 18M 12M 1700*500 1000*600 1200*300 1909 1880 08B-0915 10M 10M 4M 6M 14M 8M 15M 9M 1400*360 800*500 900*150 1429 1352 08B-1018 11M 11M 5M 6M 14M 10M 18M 10M 1700*400 1000*500 1050*300 1651 1594 08B-1218 12M 13M 5M 6M 14M 12M 18M 12M 1700*500 1000*600 1200*300 1963 1933

Note：1) Ｌ4 stands for length of section using wet-film humidifier, please see page 10 for section lengths for other humidifiers. 2) H2=100.

Combination 3: PHE + coarse/medium filter + mix air + cooling/heating coil + fans

TYPICAL COMBINATIONS WITH PLATE HEAT EXCHANGER(PHE)

Coarse filters Medium filters

Exhaust fan PHE Mix air Supply fan Coil&

Combination 4: PHE + coarse/medium filter + mix air + cooling/heating coil + fans

Mix air PHE Exhaust fan

Mix air Coil& Supply fan

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Large airflow series

Housing specs 08A 08B

1320 1322 1624 1627 1320 1322 1624 1627 1729

Wt.(Kg) 2348 2784 3503 4033 2457 2798 3620 4241 5191

Housing specs 08A 08B

1320 1322 1624 1627 1320 1322 1624 1627 1729 Wt.(Kg) 2254 2686 3387 3914 2357 2696 3498 4114 5036

Combination 1：PHE + coarse/medium filter + fans

Combination 2：PHE + coarse/medium filter + cooling/heating coil + fans

TYPICAL COMBINATIONS WITH PLATE HEAT EXCHANGER(PHE)

Medium filters PHE Coarse filters

Exhaust fan PHE Supply fan

Medium filters PHE Coarse filters

Exhaust fan PHE Supply fan Coil& humid-

ifier

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Housing specs Dimensions (mm)

Air outlet(mm) Damper(mm) Wt.(Kg) Length Width Height

L1 L2 L3 L4 L5 L6 L7 W H1 RFK(W*H) CFK(W*H) A*B

08A-1320 6M 14M 6M 13M 6M 6M 12M 20M 13M 1900*800 1200*800 1200*300 2536

08A-1322 6M 17M 6M 13M 6M 6M 13M 22M 13M 1900*800 1200*800 1350*300 2979

08A-1624 6M 20M 6M 15M 4M 6M 15M 24M 16M 2300*900 1200*900 1650*300 3658

08A-1627 6M 20M 6M 15M 4M 6M 15M 27M 16M 2600*900 1200*900 1800*300 4193

08B-1320 6M 14M 6M 13M 6M 6M 13M 20M 13M 1900*800 1200*800 1200*300 2655

08B-1322 6M 16M 6M 13M 6M 6M 13M 22M 13M 2100*800 1200*800 1350*300 3002

08B-1624 6M 20M 6M 15M 4M 6M 15M 24M 16M 2300*900 1200*900 1650*300 3783

08B-1627 6M 20M 6M 15M 4M 6M 15M 27M 16M 2600*900 1400*900 1800*300 4411

08B-1729 6M 20M 6M 15M 4M 6M 15M 29M 17M 2800*1000 1600*1000 1800*450 5397

Note：1) Ｌ6 stands for length of section using wet-film humidifier, please see page 10 for section lengths for other humidifiers. 2) H2=100.

Combination 3: PHE + coarse/medium filter + mix air + cooling/heating coil + fans

TYPICAL COMBINATIONS WITH PLATE HEAT EXCHANGER(PHE)

Medium filter PHE Coarse filter

Exhaust fan PHE Supply air coils Mix air

Housing specs 08A 08B

1320 1322 1624 1627 1320 1322 1624 1627 1729 Wt.(Kg) 2536 3658 4193 2655 3002 3783 3783 4411 5397

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Water cooling/heating coil HJK AHU adopts heat exchange coil made from copper or aluminum fins and copper pipe. Copper pipe is expanded mechanically and aluminum fin is double-side bended in wave type. It is featured by high coefficient of heat thermal coefficient, low air resistance, compact structure and excellent performance resulted from the advanced structure, reasonable water path, pipe length and fin gap. Low-temperature and fast braze welding on copper pipe reinforces its pressure resistance over 1.2Mpa.

The hexenoic acid hydrophilic coating on the aluminum fin can avoid water bridge between the fins to ensure efficient ventilation of coil, without water bridge, heat exchange rate can be increased by 5%. Besides, this coating can enhance the corrosion and weather resistance ability, thus to prolong the service life of coil.

If wind-speed is over 2.75m/s, an aluminum alloy breakwater can be set behind the coil to prevent water in the airflow entering other functional parts followed.

STTL heating & cooling coil

Copper pipe with aluminum fin

Connecting pipe

Steam heating coil The standing steam-heating coil with copper pipe and fin, developed by Holtop, is able to effectively solve the problems of vacuum, water hammer etc. caused by the modal change of steam inside the pipe. This design moves away the above factors influencing the efficiency of heat exchange and ensures the smooth drainage of condensation water to protect the coil from frozen damage.

The connection tube of the coil is in S-shape to avoid damage from heat stress. Double-bend edge of plate hole protects the copper pipes from damage of water/steam crash and heat stress.

Aluminum alloy breakwater

Standing steam heater

COOLING/HEATING SECTION

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Standardly, We offer double-row type cooling or heating coil (STTL series), quadrupole row type cooling or heating coil is also available at request.

Row number E

2-row 83.0

4-row 83.0

6-row 138.0

8-row 193.0

Note: 1. Double row type of coil use the same pipeline for both cooling and heating; quadrupole row type of coil use two independent pipelines for cooling and heating. 2. 0609~1320 are of single layer construction, 1322~1729 are of double layer construction.

Housing specs

Height(H) mm

Distance between inlet&outlet(B) Diameter of inlet&outlet pipe(DN1)

2-row 4-row 6-row 8-row 2-row 4-row 6-row 8-row

08A-0609 652 363 363 363 363 DN40 DN40 DN40 DN40 DN25

08A-0710 754 545 545 533 533 DN40 DN40 DN50 DN50 DN25

08A-0712 754 545 533 533 533 DN40 DN50 DN50 DN50 DN25

08A-0812 856 545 533 533 533 DN40 DN50 DN50 DN50 DN25

08A-0913 958 735 723 708 708 DN40 DN50 DN65 DN65 DN25

08A-0915 958 735 723 708 708 DN40 DN50 DN65 DN65 DN25

08A-1018 1060 803 771 758 758 DN50 DN65 DN80 DN80 DN32

08A-1218 1264 1040 1025 1012 1012 DN50 DN65 DN80 DN80 DN32

08A-1320 1366 1089 1076 1076 1076 DN65 DN80 DN80 DN80 DN32

08A-1322 1366 1152 1139 1139 1139 DN65 DN80 DN80 DN80 DN32

08A-1624 1672 578 563 583 631 DN50 DN65 DN80 DN80 DN40

08A-1627 1672 563 563 583 631 DN65 DN65 DN80 DN80 DN40

08B-0915 988 735 723 708 708 DN40 DN50 DN65 DN65 DN25

08B-1018 1090 803 771 758 758 DN50 DN65 DN80 DN80 DN32

08B-1218 1294 1040 1025 1012 1012 DN50 DN65 DN80 DN80 DN32

08B-1320 1396 1089 1076 1076 1076 DN65 DN80 DN80 DN80 DN32

08B-1322 1396 1152 1139 1139 1139 DN65 DN80 DN80 DN80 DN32

08B-1624 1702 578 563 583 631 DN50 DN65 DN80 DN80 DN40

08B-1627 1702 563 563 583 631 DN65 DN65 DN80 DN80 DN40

08B-1729 1804 627 614 647 695 DN65 DN80 DN80 DN80 DN40

Diameter of condensation pipe

(DN2)

Coil connection dimensions

Single layer Double layer

COOLING/HEATING SECTION

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Housing specs

Model number

Rated airflow (m3/h)

Face area(m2)

4-row

Cooling cap.(Kw)

Waterflow (m3/h) Diameter

Air press drop(Pa)

Water press drop(kPa)

08A-0609 HJK-02 2000 0.31 1.78 26.7 5.0 DN40 115.0 2.1

08A-0609 HJK-03 3000 0.31 2.68 28.2 5.3 DN40 135.0 2.2

08A-0710 HJK-04 4000 0.46 2.42 49.8 9.4 DN40 115.0 4.4

08A-0710 HJK-05 5000 0.46 3.03 55.3 10.4 DN40 157.0 5.3

08A-0712 HJK-06 6000 0.57 2.92 72.9 13.8 DN50 157.0 9.7

08A-0712 HJK-07 7000 0.57 3.40 79.6 15.0 DN50 205.0 11.3

08A-0913 HJK-08 8000 0.84 2.65 104.3 19.7 DN50 135.0 11.3

08A-0913 HJK-09 9000 0.84 2.98 109.1 20.6 DN50 157.0 12.4

08A-0915 HJK-10 10000 0.99 2.80 126.5 23.9 DN50 135.0 17.3

08A-0915 HJK-12 12000 0.99 3.36 117.3 22.1 DN50 181.0 2.3

08A-1018 HJK-14 14000 1.32 2.94 159.7 30.1 DN65 157.0 3.8

08A-1018 HJK-16 16000 1.32 3.36 166.8 31.5 DN65 181.0 4.1

08A-1218 HJK-18 18000 1.73 2.89 208.8 39.4 DN65 157.0 3.8

08A-1218 HJK-20 20000 1.73 3.21 218.1 41.1 DN65 181.0 4.1

08A-1320 HJK-22 22000 2.06 2.97 256.4 48.4 DN80 157.0 5.4

08A-1320 HJK-25 25000 2.06 3.37 268.0 50.6 DN80 181.0 5.8

08A-1322 HJK-28 28000 2.41 3.22 322.4 60.8 DN80 181.0 7.8

08A-1322 HJK-30 30000 2.41 3.45 336.0 63.4 DN80 205.0 8.5

08A-1624 HJK-35 35000 3.07 3.16 419.0 79.1 DN65*2 181.0 10.2

08A-1627 HJK-40 40000 3.50 3.18 487.8 92.0 DN65*2 181.0 14.7

08B-1729 HJK-45 45000 4.12 3.04 555.3 104.8 DN80*2 157.0 16.6

08B-1729 HJK-50 50000 4.12 3.37 582.4 109.9 DN80*2 181.0 18.0

1.Fresh air conditions: DB/WB=33.5℃/28.4℃.

2. Heat recovery efficiency of RHE: 65%.

3. Return air conditions: DB=25℃，RH=60%.

4. Cold water: T(in)=7℃，temperature difference=5℃，water speed=1m/s.

Face velocity

(m/s)

Cooling capacity chart(fresh air conditions)

COOLING CAPACITY AND COILS

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6-row 8-row

Cooling cap.(Kw)

Waterflow (m3/h) Diameter

Air press drop(Pa)

Water press drop (kPa)

Cooling cap.(Kw)

Waterflow (m3/h) Diameter

Air press drop(Pa)

Water press drop (kPa)

HJK-02 37.2 7.0 DN40 115.0 5.5 43.1 8.1 DN50 184.0 9.6

HJK-03 39.9 7.5 DN40 135.0 6.2 46.6 8.8 DN50 216.0 11.0

HJK-04 66.7 12.6 DN50 115.0 11.1 76.2 14.4 DN50 184.0 18.7

HJK-05 76.3 14.4 DN50 157.0 42.9 88.6 16.7 DN50 250.0 24.2

HJK-06 98.2 18.5 DN50 157.0 52.0 104.5 19.7 DN50 250.0 5.4

HJK-07 102.9 19.4 DN50 205.0 8.6 117.6 22.2 DN50 320.0 6.6

HJK-08 129.7 24.5 DN65 135.0 8.2 145.3 27.4 DN65 216.0 6.0

HJK-09 137.9 26.0 DN65 157.0 75.6 155.8 29.4 DN65 250.0 6.8

HJK-10 156.9 29.6 DN65 135.0 12.5 174.5 32.9 DN65 216.0 9.2

HJK-12 177.1 33.4 DN65 181.0 15.5 200.1 37.8 DN65 284.0 11.6

HJK-14 228.9 43.2 DN80 157.0 111.2 256.0 48.3 DN80 250.0 17.5

HJK-16 241.9 45.6 DN80 181.0 26.5 272.3 51.4 DN80 284.0 19.6

HJK-18 299.3 56.5 DN80 157.0 142.9 334.7 63.2 DN80 250.0 17.5

HJK-20 316.4 59.7 DN80 181.0 26.5 356.1 67.2 DN80 284.0 19.6

HJK-22 359.8 67.9 DN80 157.0 164.2 401.1 75.7 DN80 250.0 23.7

HJK-25 381.9 72.1 DN80 181.0 35.9 429.3 81.0 DN80 284.0 26.4

HJK-28 453.7 85.6 DN80 181.0 46.7 507.4 95.7 DN80 284.0 34.6

HJK-30 480.9 90.7 DN80 205.0 51.6 537.8 101.5 DN80 320.0 38.5

HJK-35 581.7 109.8 DN80*2 181.0 60.0 649.0 122.5 DN80*2 284.0 44.2

HJK-40 667.2 125.9 DN80*2 181.0 83.6 747.7 141.1 DN80*2 284.0 61.0

HJK-45 743.8 140.3 DN80*2 157.0 296.9 825.5 155.7 DN80*2 250.0 66.5

HJK-50 790.5 149.2 DN80*2 181.0 102.1 885.2 167.0 DN80*2 284.0 74.3

1.Fresh air conditions: DB/WB=33.5℃/28.4℃.

2. Heat recovery efficiency of RHE: 65%.

3. Return air conditions: DB=25℃，RH=60%.

4. Cold water: T(in)=7℃，temperature difference=5℃，water speed=1m/s.

Model number

COOLING CAPACITY AND COILS

Cooling capacity chart(fresh air conditions)

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Housing specs

Model number

Rated airflow(m3/h)

Face area (m2)

4-row

Cooling cap.(Kw)

Waterflow (m3/h) Diameter

Air press drop(Pa)

Water press drop(kPa)

08A-0609 HJK-02 2000 0.31 1.78 11.2 2.1 DN40 115.0 0.9

08A-0609 HJK-03 3000 0.31 2.68 9.4 1.8 DN40 135.0 0.7

08A-0710 HJK-04 4000 0.46 2.42 21.3 4.0 DN40 115.0 2.1

08A-0710 HJK-05 5000 0.46 3.03 19.5 3.7 DN40 157.0 1.8

08A-0712 HJK-06 6000 0.57 2.92 27.0 5.1 DN50 157.0 3.5

08A-0712 HJK-07 7000 0.57 3.40 28.5 5.4 DN50 205.0 3.9

08A-0913 HJK-08 8000 0.84 2.65 39.4 7.4 DN50 135.0 4.4

08A-0913 HJK-09 9000 0.84 2.98 40.8 7.7 DN50 157.0 4.6

08A-0915 HJK-10 10000 0.99 2.80 49.1 9.3 DN50 135.0 7.0

08A-0915 HJK-12 12000 0.99 3.36 38.8 7.3 DN50 181.0 0.7

08A-1018 HJK-14 14000 1.32 2.94 56.3 10.6 DN65 157.0 1.3

08A-1018 HJK-16 16000 1.32 3.36 58.0 10.9 DN65 181.0 1.4

08A-1218 HJK-18 18000 1.73 2.89 73.6 13.9 DN65 157.0 1.3

08A-1218 HJK-20 20000 1.73 3.21 75.9 14.3 DN65 181.0 1.4

08A-1320 HJK-22 22000 2.06 2.97 93.2 17.6 DN80 157.0 1.9

08A-1320 HJK-25 25000 2.06 3.37 95.4 18.0 DN80 181.0 2.0

08A-1322 HJK-28 28000 2.41 3.22 117.1 22.1 DN80 181.0 2.8

08A-1322 HJK-30 30000 2.41 3.45 120.5 22.7 DN80 205.0 2.9

08A-1624 HJK-35 35000 3.07 3.16 155.1 29.3 DN65*2 181.0 3.8

08A-1627 HJK-40 40000 3.50 3.18 184.0 34.7 DN65*2 181.0 5.5

08B-1729 HJK-45 45000 4.12 3.04 214.6 40.5 DN80*2 157.0 6.6

08B-1729 HJK-50 50000 4.12 3.37 221.7 41.8 DN80*2 181.0 7.0

1. Return air conditions: DB/WB=27℃/19.5℃

2. Heat recovery efficiency of RHE: 65%.

3. Cold water: T(in)=7℃，temperature difference=5℃，water velocity=1m/s.

Face velocity (m/s)

COOLING CAPACITY AND COILS

Cooling capacity chart(return air conditions)

19

COOLING CAPACITY AND COILS

Cooling capacity chart(return air conditions)

6-row 8-row

Cooling cap.(Kw)

Waterflow (m3/h) Diameter

Air press drop(Pa)

Water press drop (kPa)

Cooling cap.(Kw)

Waterflow (m3/h) Diameter

Air press drop(Pa)

Water press drop (kPa)

HJK-02 16.8 29.0 DN40 150.0 2.9 20.2 3.8 DN50 184.0 5.3

HJK-03 15.9 29.0 DN40 176.0 2.6 20.1 3.8 DN50 216.0 5.3

HJK-04 30.4 42.9 DN50 150.0 5.9 35.7 6.7 DN50 184.0 10.4

HJK-05 31.3 42.9 DN50 206.0 6.2 38.8 7.3 DN50 250.0 12.0

HJK-06 41.3 52.0 DN50 206.0 11.2 43.9 8.3 DN50 250.0 2.5

HJK-07 40.6 52.0 DN50 254.0 3.6 48.6 9.2 DN50 320.0 3.0

HJK-08 58.3 75.6 DN65 176.0 13.0 69.7 13.1 DN65 216.0 23.6

HJK-09 56.1 75.6 DN65 206.0 4.0 66.0 12.5 DN65 250.0 3.2

HJK-10 70.9 89.0 DN65 176.0 20.0 76.1 14.4 DN65 216.0 4.5

HJK-12 72.7 89.0 DN65 236.0 6.9 85.8 16.2 DN65 284.0 5.5

HJK-14 96.7 111.2 DN80 206.0 11.1 112.0 21.1 DN80 250.0 8.7

HJK-16 101.6 111.2 DN80 236.0 12.1 119.1 22.5 DN80 284.0 9.7

HJK-18 126.5 142.9 DN80 206.0 11.1 146.5 27.6 DN80 250.0 8.7

HJK-20 132.9 142.9 DN80 236.0 12.1 155.7 29.4 DN80 284.0 9.7

HJK-22 153.9 164.2 DN80 206.0 15.2 177.6 33.5 DN80 250.0 11.8

HJK-25 161.8 164.2 DN80 236.0 16.6 189.0 35.7 DN80 284.0 13.2

HJK-28 193.4 187.0 DN80 236.0 22.2 224.7 42.4 DN80 284.0 17.4

HJK-30 202.5 187.0 DN80 254.0 24.0 237.0 44.7 DN80 320.0 19.1

HJK-35 250.1 227.3 DN80*2 236.0 28.7 290.3 54.8 DN80*2 284.0 22.5

HJK-40 289.0 252.6 DN80*2 236.0 40.4 334.1 63.0 DN80*2 284.0 31.5

HJK-45 325.2 296.9 DN80*2 206.0 45.1 373.8 70.5 DN80*2 250.0 34.8

HJK-50 343.6 296.9 DN80*2 236.0 49.6 396.6 74.8 DN80*2 284.0 38.6

1. Return air conditions: DB/WB=27℃/19.5℃

2. Heat recovery efficiency of RHE: 65%.

3. Cold water: T(in)=7℃，temperature difference=5℃，water velocity=1m/s.

Model number

20

Housing specs Model Rated airflow

(m3/h) Face area

(m2 ) Face velocity

(m/s)

2-row

Heating cap.(Kw)

Waterflow (m3/h) Diameter Air press drop(Pa)

Water press drop(kPa)

08A-0609 HJK-02 2000 0.31 1.78 10.1 1.9 DN40 18.0 0.2 08A-0609 HJK-03 3000 0.31 2.68 10.2 1.9 DN40 21.0 0.2 08A-0710 HJK-04 4000 0.46 2.42 20.8 3.9 DN40 18.0 0.5 08A-0710 HJK-05 5000 0.46 3.03 21.7 4.1 DN40 25.0 0.5 08A-0712 HJK-06 6000 0.57 2.92 30.5 5.8 DN40 25.0 1.0 08A-0712 HJK-07 7000 0.57 3.40 31.2 5.9 DN40 320.0 1.1 08A-0913 HJK-08 8000 0.84 2.65 45.5 8.6 DN40 21.0 1.3 08A-0913 HJK-09 9000 0.84 2.98 46.4 8.7 DN50 25.0 1.4 08A-0915 HJK-10 10000 0.99 2.80 57.5 10.8 DN50 21.0 2.2 08A-0915 HJK-12 12000 0.99 3.36 59.6 11.2 DN50 28.0 2.3 08A-1018 HJK-14 14000 1.32 2.94 83.9 15.8 DN50 25.0 4.2 08A-1018 HJK-16 16000 1.32 3.36 85.5 16.1 DN50 28.0 4.3 08A-1218 HJK-18 18000 1.73 2.89 109.7 20.7 DN50 25.0 4.2 08A-1218 HJK-20 20000 1.73 3.21 111.8 21.1 DN50 28.0 4.3 08A-1320 HJK-22 22000 2.06 2.97 134.5 25.4 DN50 25.0 5.8 08A-1320 HJK-25 25000 2.06 3.37 138.4 26.1 DN50 28.0 6.2 08A-1322 HJK-28 28000 2.41 3.22 166.5 31.4 DN40 28.0 8.3 08A-1322 HJK-30 30000 2.41 3.45 169.1 31.9 DN65 320.0 8.4 08A-1624 HJK-35 35000 3.07 3.16 216.8 40.9 DN65 28.0 10.9 08A-1627 HJK-40 40000 3.50 3.18 252.6 47.7 DN65*2 28.0 15.4 08B-1729 HJK-45 45000 4.12 3.04 293.5 55.4 DN65*2 25.0 18.0 08B-1729 HJK-50 50000 4.12 3.37 302.6 57.1 DN65 28.0 19.4

1. Fresh air conditions: DB=7℃ 2. RHE’s heat recovery=65% 3. Hot water 60℃.

Housing specs Model Rated airflow (m3/h)

Face area (m2 )

Face velocity (m/s)

2-row

Heating cap.(Kw)

Waterflow (m3/h) Diameter Air press drop(Pa)

Water press drop(kPa)

08A-0609 HJK-02 2000 0.31 1.78 9.3 0.9 DN40 13.0 0.1 08A-0609 HJK-03 3000 0.31 2.68 9.5 0.9 DN40 15.0 0.1 08A-0710 HJK-04 4000 0.46 2.42 17.4 1.6 DN40 13.0 0.2 08A-0710 HJK-05 5000 0.46 3.03 19.0 1.8 DN40 16.0 0.2 08A-0712 HJK-06 6000 0.57 2.92 25.2 2.4 DN40 16.0 0.4 08A-0712 HJK-07 7000 0.57 3.40 27.7 2.6 DN40 21.0 0.5 08A-0913 HJK-08 8000 0.84 2.65 35.8 3.4 DN40 15.0 0.5 08A-0913 HJK-09 9000 0.84 2.98 37.8 3.6 DN50 16.0 0.5 08A-0915 HJK-10 10000 0.99 2.80 43.8 4.1 DN50 15.0 0.7 08A-0915 HJK-12 12000 0.99 3.36 48.6 4.6 DN50 19.0 0.9 08A-1018 HJK-14 14000 1.32 2.94 64.0 6.0 DN50 16.0 1.4 08A-1018 HJK-16 16000 1.32 3.36 67.2 6.3 DN50 19.0 1.5 08A-1218 HJK-18 18000 1.73 2.89 83.7 7.9 DN50 16.0 1.4 08A-1218 HJK-20 20000 1.73 3.21 87.9 8.3 DN50 19.0 1.5 08A-1320 HJK-22 22000 2.06 2.97 101.5 9.6 DN50 16.0 1.9 08A-1320 HJK-25 25000 2.06 3.37 106.7 10.1 DN50 19.0 2.0 08A-1322 HJK-28 28000 2.41 3.22 126.9 12.0 DN40 19.0 2.7 08A-1322 HJK-30 30000 2.41 3.45 133.0 12.5 DN65 21.0 2.9 08A-1624 HJK-35 35000 3.07 3.16 163.7 15.4 DN65 19.0 3.5 08A-1627 HJK-40 40000 3.50 3.18 188.9 17.8 DN65*2 19.0 4.9 08B-1729 HJK-45 45000 4.12 3.04 213.1 20.1 DN65*2 16.0 5.4 08B-1729 HJK-50 50000 4.12 3.37 224.1 21.1 DN65 19.0 5.9

1. Fresh air conditions: DB=7℃ 2. Heat recovery efficiency of RHE: 65% 3. Hot water 60℃.

HEATING CAPACITY AND COILS

Heating capacity chart(fresh air conditions)

Heating capacity chart(return air conditions)

21

ROTARY HEAT EXCHANGER SECTION

Rotary heat exchanger (heat recovery wheel) is mainly used in building ventilation or in the air supply/discharge system of air conditioning equipment. The wheel transfers the energy (cold or heat) contained in exhaust air to the fresh air supplied to indoor. It’s a piece of important equipment and a key technology in the field of construction energy saving.

Rotary heat exchanger section 1. Rotary heat exchanger is composed of heat rotor(wheel), frame, drive system, double purge sector and sealing

parts etc.. 2. Supply air(SA) passes through half of the wheel, exhaust air(EA) passes through reversely the rest half of the

wheel, meanwhile the wheel is rotating driven be the drive system. Thus, the wheel can be self-cleaning. 3. Drain pan is equipped under the wheel, in case condensed water occurs from fresh air in summer or return air in

winter when their temperature is decreasing. Meanwhile, make sure the drainpipe is expedite and waterseal is installed.

4. Ice jam might occur on the exhaust side when operating in very cold area, if so, rotary speed reduction or turn-on of bypass is required to ensure safe operation of the wheel.

5. On some occasions with strict cleanness requirement, to minimize the carryover from return air to supply air, exhaust fan shall be placed in the leaving section of the exhaust side to create passive pressure, and the pressure shall be lower than that of supply side, so that the double purge sector can perform more effectively.

6. For easy transportation or easy installation in limit space, the wheel can be cut into segments.

22

AHU Housing specs

RHE model

Airflows (m3/h) at certain air speeds A (mm)

Rated power (Kw)

Wt. (Kg) 3.5m/s 4.0m/s 4.5m/s 5.0m/s 5.5m/s

08A-0609 HR600 1737 1985 2234 2485 2730 800

0.09

125

08A-0609 HR700 2424 2710 3045 3385 3720 800 148

08A-0710 HR800 3166 3619 3985 4425 4867 900 167

08A-0712 HR900 4000 4490 5050 5610 6170 1030 191

08A-0913 HR1100 5987 6710 7560 8400 9230 1230 246

08A-0915 HR1300 8362 9400 10580 11750 12920 1430

0.18

289

08A-1018 HR1500 10960 12520 14100 15650 17220 1630 326

08A-1218 HR1600 12666 14280 16050 17820 19600 1730 349

08A-1320 HR1800 16000 18070 20350 22600 24830 1930 0.25

413

08A-1322 HR2000 19792 22350 25100 27900 30700 2130 493

08A-1624 HR2200 23900 27030 30450 33800 37180 2400

0.37

681

08A-1627 HR2400 28500 32200 36250 40250 44280 2600 716

08B-0915 HR1300 8362 9400 10580 11750 12920 1430 297

08B-1018 HR1500 10960 12520 14100 15650 17220 1630 332

08B-1218 HR1600 12666 14280 16050 17820 19600 1730 356

08B-1320 HR1800 16000 18070 20350 22600 24830 1930 420

08B-1322 HR2000 19792 22350 25100 27900 30700 2130 499

08B-1624 HR2200 23900 27030 30450 33800 37180 2370 689

08B-1627 HR2400 28500 32200 36250 40250 44280 2600 726

08B-1729 HR2600 33450 38006 42757 47507 52100 2800 785

Specifications and parameters

ROTARY HEAT EXCHANGER SECTION

23

Plate-fin heat exchanger is made up of thin flat plates and corrugated plates. These two types plates form channels for fresh or exhaust air stream. When the two air steams are passing through the exchanger crossly with temperature difference, the energy is recovered. Both sensible heat exchanger and total heat exchanger are available.

Sensible heat exchanger is made of vey thin aluminum foils, featured by high thermal conductivity. It transfers sensible heat only, suitable for circumstances with high temperature difference between indoors and outdoors.

Total heat exchanger is made of special fiber paper, featured by which is featured by high moisture permeability, good air tightness, excellent tear resistance, and aging resistance. It transfer both sensible and total heat, i.e. temperature and moisture, suitable for areas of humid climate.

Plate-fin heat exchanger section 1. Fresh air and exhaust air go crossly through the heat exchanger and exchange the energy.

2. Drain pan is equipped under the exchanger, in case condensed water occurs from fresh air in summer or return air in winter when their temperature is decreasing. Meanwhile, make sure the drainpipe is expedite and waterseal is installed.

3. Ice jam or frost forming might occur on the exhaust side when operating in very cold area, in that case, turn-on

of bypass is required to ensure safe operation of the wheel.

4. Lead rails with inlaid soft seal are used to connect the heat exchange and AHU, thus heat exchanger can be

easily drawn out and pushed in by hand, easy for maintenance, and leakage&cross contamination is effectively

avoided.

5. The whole heat exchanger is of modular construction, can be divided into single blocks, easy for transportation

and installation at site.

PLATE HEAT EXCHANGER SECTION

24

Housing specs PHE specs

Airflows (m3/h) and press drop(Pa) at certain face air velocities L*H

Wt.(Kg) 2.25m/s 2.5m/s 2.75m/s 3m/s 3.25m/s 3.5m/s 3.75m/s 4m/s

08A-0609 312*312*454-2 2294 2549 2804 3059 3314 3569 3824 4079

816*958 11 80 87 105 115 140 160 200 230

08A-0710 372*372*505-2 3043 3381 3719 4057 4395 4734 5072 5410

816*754 18 87 92 110 120 145 175 205 240

08A-0812 472*472*404-3 4633 5148 5663 6178 6693 7208 7722 8237

918*856 35 90 100 112 125 150 180 210 245

08A-0913 552*552*438-3 5875 6527 7180 7833 8486 9139 9791 10444

1020*958 52 100 110 115 130 155 185 215 250

08A-0915 552*552*380-4 6796 7551 8306 9061 9816 10571 11327 12082

1040*958 60 100 110 115 130 155 185 215 250

08A-1018 652*652*455-4 9611 10679 11747 12815 13883 14951 16019 17087

1142*1060 101 150 165 180 200 230 270 310 360

08A-1218 802*802*454-4 11797 13107 14418 15729 17040 18351 19661 20972

1346*1264 152 190 210 250 280 320 360 380 400

08A-1320 1032*1032*402-5

16801 18668 20535 22402 24269 26136 28003 29870 1448*2732 278

210 220 260 300 345 380 400 420

08A-1322 1212*1212*370-6

21794 24215 26637 29058 31480 33902 36323 38745 1958*2732 424

215 230 270 315 370 390 410 430

08A-1624 1352*1352*402-6

26414 29349 32284 35219 38153 41088 44023 46958 2080*3344 573

220 235 280 325 380 400 425 450

08A-1627 1352*1352*455-6

29896 33218 36540 39862 43184 46506 49827 53149 2080*3344 649

220 235 280 325 380 400 425 450

08B-0915 552*552*380-4 6796 7551 8306 9061 9816 10571 11327 12082

1020*988 60 100 110 115 130 155 185 215 250

08B-1018 652*652*455-4 9611 10679 11747 12815 13883 14951 16019 17087

1157*1090 101 150 165 180 200 230 270 310 360

08B-1218 802*802*454-4 11797 13107 14418 15729 17040 18351 19661 20972

1361*1294 152 190 210 250 280 320 360 380 400

08B-1320 1032*1032*402-5

16801 18668 20535 22402 24269 26136 28003 29870 1667*2792 278

210 220 260 300 345 390 400 420

08B-1322 1212*1212*370-6

21794 24215 26637 29058 31480 33902 36323 38745 1871*2792 424

175 230 270 315 370 390 410 430

08B-1624 1352*1352*402-6

26414 29349 32284 35219 38153 41088 44023 46958 2110*3404 573

200 235 280 325 380 400 425 450

08B-1627 1352*1352*455-6

29896 33218 36540 39862 43184 46506 49827 53149 2110*3404 649

200 235 280 325 380 400 425 450

08B-1729 1512*1512*419-7

35921 39912 43903 47894 51885 55877 59868 63859 2314*3608 872

250 298 340 390 450 470 490 510

Air velocity

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Airflow(m3/h)

Pre. drop(Pa)

Specifications and parameters

PLATE HEAT EXCHANGER SECTION

25

We offer different types of fans such as direct driven centrifugal fan, belt driven DIDW forward centrifugal fan, and

belt driven DIDW backward centrifugal fan etc..

Direct driven centrifugal

Airflow range (m3/h)

Section length L

Power(Kw) Fan spec. Air outlet dimension(mm) Wt.

(Kg) Supply fan Exhaust fan Supply fan Exhaust fan a*b h

08A-0609 2500-3600 7M 1.1 0.55/.75 3.15I 2.5I 300*500 80 92

08A-0710 3700-5000 8M 1.5/1.8 1.1/1.5 3.15 2.8 300*650 80 112

08A-0712 5200-6700 8M 2.2/3.0 1.5/1.8 3.5 3.15 400*650 80 136

08A-0812 5200-6700 8M 2.2/3.0 1.5/1.8 3.5 3.15 400*650 80 139

08A-0913 7000-9800 9M 3.0/4.0 1.8/2.2 3.55 4 450*800 80 158

08A-0915 9000-12000 10M 4.0/5.5 3 4.0E 4 500*800 80 197

08A-1018 12000-15500 11M 5.5/7.5 3.0/4.0 4.5E 4.5E 500*1000 80 257

08A-1218 15000-22000 12M 7.5/11 4.0/5.5 5.0E 5.0E 600*1000 80 301

08A-1320 18000-26000 13M 7.5/11 5.5/7.5 5.6E 5.6E 800*1200 80 361

08A-1322 22000-30400 13M 7.5/11 5.5/7.5 5.6E 5.6E 800*1200 80 368

08A-1624 28000-38800 15M 15/18.5 7.5/11 6.3E 6.3E 900*1200 280 533

08A-1627 31500-41000 15M 18.5/22 11/15 7.1E 7.1E 900*1400 80 699

08B-0915 9000-12000 10M 4.0/5.5 3 4.0E 4 500*800 80 205

08B-1018 12000-15500 11M 5.5/7.5 3.0/4.0 4.5E 4.5E 500*1000 80 264

08B-1218 15000-22000 12M 7.5/11 4.0/5.5 5.0E 5.0E 600*1000 80 309

08B-1320 18000-26000 13M 7.5/11 5.5/7.5 5.6E 5.6E 800*1200 80 371

08B-1322 22000-30400 13M 7.5/11 5.5/7.5 5.6E 5.6E 800*1200 80 376

08B-1624 28000-38800 15M 15/18.5 7.5/11 6.3E 6.3E 900*1200 280 545

08B-1627 31500-41000 15M 18.5/22 11/15 7.1E 7.1E 900*1400 80 714

08B-1729 38000-52000 17M 22/30 15/18.5 8.0E 8.0E 1000*1600 95 1020

Housing specs

FAN SECTION

DIDW forward centrifugal DIDW backward centrifugal

26

Wet film humidifier, dry steam humidifier or double gasified humidifier is available for choice.

Wet film humidifier It utilizes spontaneous evaporation of water on the film face to humidify the air, water supply is 3 times the humidifying capacity. It is featured by low requirement on water, simple structure, easy installation and long service life.

Dry steam humidifier Suitable for occasions where steam is available. It use nozzle humidifying method for small airflow and steam quick absorption humidifying method for large airflow.

Double gasified humidifier This system incorporates the stress spray humidifying technology and wet-film humidifying technology in an effective way. It makes better humidifying, consumes less water and makes better cleanness.

Housing specs 08A(B) Model

Rated airflow(m3/h)

Direct drainage wet film humidifying（Kg/h) Dry steam

humidifying (kg/h)

Double gasified humidifying

60mm thick 80mm thick Capacity (kg/h)

Power of water pump(KW)

609 HJK-02 2000 5.7 7.7 14 \ \

609 HJK-03 3000 8.5 11.6 21 \ \

710 HJK-04 4000 11.2 15.4 28.2 \ \

710 HJK-05 5000 13.2 18.6 35.8 \ \

712 HJK-06 6000 16 22.5 43 \ \

812 HJK-07 7000 18.7 31.5 50 \ \

913 HJK-08 8000 21.6 29.2 57 \ \

913 HJK-09 9000 24 33 64 \ \

915 HJK-10 10000 26.6 36.2 71 \ \

915 HJK-12 12000 29 48.8 85 \ \

1018 HJK-14 14000 33.4 53.5 101 92 0.45

1018 HJK-16 16000 38 58.5 116 99 0.45

1218 HJK-18 18000 46.3 68 128 115 0.55

1218 HJK-20 20000 52.7 77.6 142 132 0.55

1320 HJK-22 22000 \ \ 162 145 0.55

1320 HJK-25 25000 \ \ 178 165 0.55

1322 HJK-28 28000 \ \ 198 184 0.55

1322 HJK-30 30000 \ \ 213 198 0.55

1624 HJK-35 35000 \ \ 249 231 0.9

1627 HJK-40 40000 \ \ 284 264 0.9

1729 HJK-45 45000 \ \ 316 290 1.1

1729 HJK-50 50000 \ \ 350 318 1.1

Note：Conditions for above humidifying capacity designed as: T1＝35℃，φ1＝5%RH.

HUMIDIFYING SECTION

27

Air filter In order to ensure heat exchanging efficiency and cleanness, combination of G3 coarse filter and F5 medium filter is selected as standard configuration in HJK AHU. ● Coarse filter---corrugated plate type, 25mm or 46mm in thickness, made of nylon or non-woven fabrics,

efficiency rating at G2, G3. ● Medium filter---bag type, made of fire-proof chemical fibres, efficiency rating at F5~F8.

● High-medium/sub-HEPA filter---bag or pleat type, made of fiberglass, efficiency rating at F8~H10.

Remarks ► Filter resistance ranges from start resistance to end resistance. Start resistance is defined as the air resistance

before the filter catches any dust. End resistance is the air resistance when the filter has caught enough dust and need to clean or replace after a period of time in use. It depends on required degree of cleanness in the air conditioning area and the pollution condition outdoor.

► Holtop can also offer pressure gauges and switches to measure filter pressure and give alarm.

Spec. and parameters of filter

Model Efficiency Dimension W*H*D (mm)

Start resistance / Airflow (Pa / m3/h)

HPF6650(25)-G3 G3 595*595*46(25) 50 / 2500 70 / 3600 HPF6550(25)-G3 G3 595*493*46(25) 50 / 2100 70 / 3000 HPF6450(25)-G3 G3 595*391*46(25) 50 / 1680 70 / 2400 HPF5650(25)-G3 G3 493*595*46(25) 50 / 2100 70 / 3000 HPF5550(25)-G3 G3 493*493*46(25) 50 / 1750 70 / 2500 HPF4450(25)-G3 G3 391*391*46(25) 50 / 1120 70 / 1600 HPF3650(25)-G3 G3 289*595*46(25) 50 / 2500 70 / 1800

DAI/SA 6650/06-F5 F5 595*595*500 25 / 2500 40 / 3600 70 / 5000 DAI/SA 6650/05-F5 F5 493*595*500 25 / 2000 40 / 3000 70 / 4000 DAI/SA 3650/03-F5 F5 289*595*500 25 / 1250 40 / 1800 70 / 2500

FILTER SECTION

28

Typical control principle for AHU with RHE, applicable to BMS(Building Management System) Function sescriptions Designed as per China Code for Design of Heating ventilation and Air Conditioning:

1. Conversation of manual control(at site) and automatic control(remote)；connection of local control and remote control.

2. Independent ON/OFF of supply fan, exhaust fan and rotary heat exchanger; Linkage of humidifying running(optional).

3. Display of power supply status, running status and failure. 4. BA hard connection port for building and dry connection for remote status display(optional) 5. Overload voltage, overload current, undervoltage, voltage failure and short circuit protection. 6. Slight touch control, easy, fast and safe operation. 7. For AHU of airflow 2500m3/h~30000m3/h, it uses full voltage start; for airflow over 30000m3/h, it uses either

star-triangle reduction voltage star or frequency conversion start(optional).

CONTROL SYSTEM

L1L2 L3 N

QF1

AC380V+N+PE

M13 ~

QF2

1KM1

22kw

FR1

1KM2

1KM3

1U2

1V2

1W2

1U11V11W1

M23 ~

QF3

2KM1

18.5kw

FR2

2KM2

2KM3

总电源开关 送风机主电路 排风机主电路

2U2

2V2

2W2

2U12V1 2W1

NM1-100S-63A/3P

CJX2-65A

用户电源进线直接

接入电源总开关QF1

CJX2-65A

CJX2-65A

CJX2-65A

CJX2-65A

NR2-93(37~50A)

CJX2-65A

NR2-93(63~80A)

M33 ~

QF3

KM3

0.37kw

FR3

V3 W3

DZ47-603A/3P

B-09

NR2-25(1~1.6A)

FY

星接启动

消防联动

QF4

L1

控制电源

DZ47-60 (5A)

星接启动

送风机控制

手 动 自 动 手 动 自 动转轮机主电路

空 调 机 组 主 电 路

U3

排风机控制

故障报警

湿膜加湿控制

加湿

显示

L-VV-3*35+2+10

NM1-100S-60A/3P

PE

机组安全回路Main circuit Power on/off Main circuit of supply fan Main circuit of exhaust Main circuit of RHE

E1 E2 Electrical control of AHU

E1-1 E1-3

E1-2 E2-1 E2-2

Manual Auto. E2-3

E3 E3-1 E3-2 E3-3

Auto. Manual

E4 E4-1

Manual Auto.

E5

Manual Auto. E5-1 E5-2 E5-3

Main circuit

Power feeder & switch QF1

Note:

E1: Safe loops of AHU

E1-1: power control

E1-2: linkage to fireproof system

E1-3: SA conversion

E2: control over supply fan

E2-1: star connected start

E2-2: angle connected start

E2-3: failure alarm

E3: control over exhaust fan

E3-1: star connected start

E3-2: angle connected start

E3-3: failure alarm

E4: control over RHE

E4-1: failure alarm

E5: wet film humidifier

E5-1: valve off

E5-2: valve on

E5-3: humidifying display

29

CONTROL SYSTEM

Function descriptions 1. This system is mainly applied for DDC control of central air conditioning AHU. 2. Multiple I/O ways of DDC controller can carry out functions such as temperature&humidity control, on/off of

fans, filter blockage alarm giving, frost alarm giving, display of pressure difference of fans’ main returns, and system running monitoring as well.

3. DDC possesses power-disconnection protection function, and carry out all logical functions by software programming.

4. DDC controller can not be used independently only, but can also be linked to central air conditioning system via LAN or to Building Automation System(BAS).

Codes Controlled objects Executive instruments Qty

UC-1 Direct digital controller 1

DA-1 Fresh air damper Damper executor 1

DA-2 Exhaust air damper Damper executor 1

DPS-3~4 Filter blockage alarm giving Pressure difference switch 2

DPS-1~2 Status of fans’ main returns Pressure difference switch 2

TV-1 Moves of cooling coil’s valve Electrical proportionally adjustment valve 1

FD Anti-frost alarm Anti-frost switch 1

HU-1 Humidifying control Electrical humidifying ballvalve 1

T/H-1 Temperature measurement of return air Sensor in the duct 1

Manual or automatic status Auxiliary connection point 1

Failure status of supply fan Auxiliary connection point 1

Failure status of exhaust fan Auxiliary connection point 1

Running status of heat wheel Auxiliary connection point 1

Running status of wheel motor Auxiliary connection point 1

HDK control

box

EA

OA

Exhaust fan RHE

Filter

Filter

Coil Low temp. protection humidifier Supply fan

RA

SA

Water(in) Water(out)

30

Installation 1. For maintenance purpose, leave enough space around

the AHU, especially near the service door and water ports. Optimal space should be bigger than the length of the heating/cooling coil.

2. Place the AHU on a smooth base of cement or groove steel, 200-300m higher than the floor of machine chamber. Length and width of base should be respectively 200mm bigger than that of the unit.

3. Build floor sink in machine chamber for drainage of condensation water and waste water from washing the unit.

4. Install valves to water pipes outside the unit and make the unit be free of any burden of these pipes and valves.

5. Use seal tape for drain pipe and connect as per following diagram.

6. Clean all the water paths before connect them to the unit. Make gentle connection in order to protect the coil.

7. Use soft fittings to connect the air inlet/outlet of unit and ducts.

8. Add return bypasses to all electric valves (water valve and steam valve) along the pipes and install them only if the water paths have been cleaned up.

9. Connect motor to power supply with protection and connect the unit to ground. For motor bigger than 15Kw, use step-down start.

Operation 1. Send a professional to manage and examine the

unit regularly, remove abnormal things in time and take note, run the unit only after fault is removed.

2. Unit uses 380v/50Hz/3ph power supply. Check and make sure motor runs at right direction and freely. Run the unit after all the electric parts are checked without fault by a professional.

3. Consider the interaction of functional sections if the unit is multi-functional.

4. Adjust the system before blowers work. If the unit operates without load, shut down air inlets & outlets by 3/4. Motor should run at rated current. Don’t close all the air inlet & outlet to avoid distortion.

5. Cooling & heating coil use clean demineralized water as medium, working pressure ≤1.2MPa. Steam supply pressure ranges from 0.2 to 0.4MPa.

6. Make sure hot water continuously runs through

Maintenance 1. Examine the filter regularly, clean or replace it if

resistance comes to the end resistance. Air-dry the washed filter totally before reuse.

2. Check the belts regularly if loose, worn or torn. If any, replace or fix them by adjusting bolts under motor. Check bearings if lubricated enough and replenish lithium grease regularly. Not for service-free motors.

3. Clean the heat exchangers with condensed air or high-pressure water if necessary.

4. Examine seals of components regularly and replace the aging seals.

5. Fully clean or maintain the unit after 1 or 2-year operation.

AHU Drainpipe

Base

Floor sink H=Static press(mmH20)+20

INSTALLATION, OPERATION AND MAINTENANCE

Beijing Holtop Artificial Environment Technology Co., Ltd Factory address : No.158 Hanjiachuan Road, Haidian District, Beijing China International marketing center Address: Room 2-1108 Industrial Plaza, Tina An Hi-Tech Ecological Park, No. 730 Yingbin Road, Panyu District, Guangzhou, China

Tel：0086-20-39388201

Fax: 0086-20-39388202

Website：www.holtop.com E-mail: contact@holtop.com

Data is subject to changes without notification due to product improvement