FOUR-CFHRCounter Flow Heat Recovery Unit

is a registered trademark ofDoğu İklimlendirme A.Ş.

DOGU HVAC founded in 1999, and ever since has been manufacturing Energy-and Cost-Efficient products as Air Handling Units, Air Distribution & Management & Movement Systems [HVAC Components] and constantly enhancing to provide an integrated solution for well-being. DOGU HVAC's core business products which are subsumed under 4 major groups as Air Handling Units, Heat/Energy Recovery Units, Air Distribution & Management Products and Kitchen Ventilation Equipment are all produced under the compliance with EU standarts. Particularly AHU and HRU-ER units are entitled under the "FOUR SEASONS" brand name for domestic and foreign markets. DOGU HVAC's, headquarter in Izmir/Turkey, operates in a large-sized plant spread over 2 factories, in total area of 45.000 sqm in which 25.000 sqm indoor space that enables DOGU HVAC manufactures 140 various type of products. Additionally, DOGU HVAC has a powerful sales network with 3 sales offices located in Istanbul, Ankara and Antalya in Turkey as well as authorized dealers in many other countries for sales and after sales operations. DOGU HVAC has been exporting to more than 50 countries.

Thanks to our "Customer Satisfaction","Zero-Defect Policy" motto and reinforced by complete certified products, more than 250 employees. DOGU HVAC R&D center developed exclusive products, such as Double Skin Make-Up Kitchen Hood, Recirculated Laminar Airflow Unit, Single Piece Square Ceiling Diffuser and Ecology Units, for the first time have brought to the sector. DOGU HVAC R&D has the ability to make customized production which can meet the requirement of the customers by means of special software such as "ANSYS FLUENT". DOGU HVAC guaranteed its quality of management by having advantages of ISO 9001, ISO 14001, ISO 18001 certifications. Air Handling Units have EUROVENT, TUV Hygiene [in accordance with DIN1946-4, VDI 6022-1, DIN EN 13053 standarts], CE, TSEK, GOST-R certifications; Fire Dampers have EN 1366-2 and EN 13501-3 CE certifications; Smoke Control Dampers have EN 1366-10 and 12101-8 CE certifications; Kitchen Ventilation Products have TSE, CE and GOST-R quality certifications.

Venues Breathe with DOGU HVAC Systems!

Counter Flow Heat Recovery Unit

www.doguhvac.com 1*“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

FOUR CFHR

Heat Exchanger

Fans

Options:

Filters

Fully integrated plug & play control system

Bypass damper (%100)

Large filtering area for energy efficiency and long service period

ISO ePM Coarse 55% filters , optional high efficiency

ISO ePM1 55% filter

Double skin

30 mm insulation

Low sound level

New generation EC fans

Low sound level

10 years lifetime (40.000 hours)

Electrical Heater

DX/Heating/Cooling coil

Attenuator

Dampers

CO2 and humidity sensor

High efficient aluminum counter flow heat exchanger

Special application for anti-freeze protection

1- Bypass Damper (%100)

2- Extract Fan

3- Supply Fan

4- Condense Water Drain

5- Counter-Flow Heat Exchanger

6- Filters

7- Control Panel2

13

6

74

5

6

[According to EN 13779]

SPI =E

P (W)

q (m³)

v h

SFP =Psfm+Pefm (W)

qmax (m³)

s

SPI(W / m3 / h )

0.166

0.164

0.142

0.24

0.188

0.178

0.17

597

1180

1020

1732

1356

1280

1224

CLASS 2

CLASS 4

CLASS 3

CLASS 4

CLASS 4

CLASS 4

CLASS 3

CFHR - 05

CFHR - 10

CFHR - 12

CFHR - 16

CFHR - 28

0.15 1090 CLASS 3CFHR - 33

0.1875 1350 CLASS 4CFHR - 40

CFHR - 25

CFHR - 07

SFP( W / m3 / s )

EN 13779 SFPCLASS

2

Counter Flow Heat Recovery Unit

www.doguhvac.com *“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

Air Flow (m3/h)

Pow

er (W

)

Supply Air

200

200

100

1000 0

0

300

300

400

400

500

500

600

600

700

700

800

800

20

40

60

80

100

120

140

900

1000

CFHR-07

100%

100%

80%

80%60%

60%Stat

ic P

ress

ure

(Pa)

Air Flow (m3/h)

Supply Air

Stat

ic P

ress

ure

(Pa)

Pow

er (W

)

200

100

0

300

400

500

600

700

800

20

40

60

80

100

120

140

160

180

200

0

4002000 600 800 1000 1200

100%

100%

80%

80%

60%

60%

CFHR-10

Air Flow (m3/h)

Supply Air

Stat

ic P

ress

ure

(Pa)

200

100

0

300

400

500

600

700

Pow

er (W

)

20

40

60

80

100

120

140

160

180

200

04002000 600 800 1000 1200 1400

80%

80%60%

60%

100%

CFHR-12

Supply Air

Stat

ic P

ress

ure

(Pa)

200

0

400

600

800

1000

Pow

er (W

)

50

100

150

200

250

300

350

400

450

500

0

Air Flow (m3/h)6003000 900 1200 1500 1800

100%

100%

80%

80%60%

60%

CFHR-16

Supply Air

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

700

800

Pow

er (W

)

50

100

150

200

250

300

350

400

450

500

0

Air Flow (m3/h)900600300 1200 1500 1800 2100 2400

100%

100%

80%

80%

60%

60%

CFHR-25

CFHR - 05

Air Flow (m3/h)Po

wer

(W)

Supply Air

Stat

ic P

ress

ure

(Pa)

0

20

40

60

80

100

120

0

100

200

300

400

500

600

50 150 250 350 450 550

60%

80%

60%

80%

100%

100%

3www.doguhvac.com*“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

Supply Air

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

700

800

900

1000

Pow

er (W

)

50

100

150

200

250

300

350

400

450

500

0

Air Flow (m3/h)10005000 1500 2000 2500 3000

100%

100%

80%

80%

60%

60%

CFHR-28

Supply Air

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

700

800

900

Pow

er (W

)

100

200

300

400

500

600

0

Air Flow (m3/h)10005000 1500 2000 2500 3000 3500

100%

100%

80%

80%60%

60%

CFHR-33

CFHR - 40

Supply Air

Stat

ic P

ress

ure

(Pa)

Air Flow (m3/h)

0

100

200

300

400

500

600

700

800

900

500 1000 1500 2000 2500 3000 3500 4000

60%

80%

60% 80%

100%

100%

CFHR - 05

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

75

80

85

90

95

100

100 150 200 250 300 350 400 450 500

CFHR - 05

Specific Fan Poer - SFP kw/(m3/s)

Stat

ic P

ress

ure

(Pa)

Air Flow (m3/h)

0

100

200

300

400

500

600

50 150 250 350 450 550

SFP = 2

SFP = 1

SFP = 0,5

Counter Flow Heat Recovery Unit

4 www.doguhvac.com *“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

Specific Fan Power - SFP kW/(m3/s)

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

Air Flow (m3/h)400200 600 800 1000 1200

SFP:0,5

SFP:1

SFP:2

CFHR-10

Specific Fan Power - SFP kW/(m3/s)

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

700

Air Flow (m3/h)200100 300 400 500 600 700

SFP:2

SFP:1

SFP:0,5

CFHR-07

CFHR-12

Specific Fan Power - SFP kW/(m3/s)

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

Air Flow (m3/h)400200 600 800 1000 1200

SFP = 2

SFP = 0,5

SFP = 1

CFHR - 07

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

75

80

85

90

95

100

100 150 200 250 300 350 400 450 500 550 600

CFHR - 10

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

75

80

85

90

95

100

200 300 400 500 600 700 800 900 1000

CFHR - 12

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

75

80

85

90

95

100

200 400 600 800 1000 1200

Counter Flow Heat Recovery Unit

5www.doguhvac.com*“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

Specific Fan Power - SFP kW/(m3/s)

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

700

Air Flow (m3/h)550300 800 1050 1300 1550 1800 2050 2300 2550

SFP:2

SFP:1,5

SFP:1

CFHR-25

Specific Fan Power - SFP kW/(m3/s)

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

700

800

900

Air Flow (m3/h)1000500 1500 2000 2500 3000

SFP:2

SFP:1

SFP:0,5

CFHR-28

CFHR - 16

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

75

80

85

90

95

100

500 600 700 800 900 1000 1100 1200 1300 1400 1500

CFHR - 16

Stat

ic P

ress

ure

(Pa)

Specific Fan Power - SFP kw/(m3/s)

Air Flow (m3/h)

0

100

200

300

400

500

600

700

800

900

500 650 800 950 1100 1250 1400 1550 1700

SFP = 2

SFP = 1

CFHR - 25

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

75

80

85

90

95

100

500 750 1000 1250 1500 1750 2000 2250 2500

CFHR - 28

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

72

74

76

78

80

82

84

86

88

90

1000 1300 1600 1900 2200 2500 2800

Counter Flow Heat Recovery Unit

OUTSIDE AIR

EXHAUST AIRSUPPLY AIR

RETURN AIR

6 www.doguhvac.com *“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

Specific Fan Power - SFP kW/(m3/s)

Stat

ic P

ress

ure

(Pa)

100

0

200

300

400

500

600

700

Air Flow (m3/h)1000500 1500 2000 2500 3000 3500

CFHR-33CFHR - 33

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

75

80

85

90

95

100

500 1000 1500 2000 2500 3000 3500

CFHR - 40

Tem

pera

ture

Effi

cien

cy (%

)

Air Flow (m3/h)

70

75

80

85

90

95

100

500 1000 1500 2000 2500 3000 3500 4000

CFHR - 40St

atic

Pre

ssur

e (P

a)

Specific Fan Power - SFP kw/(m3/s)

Air Flow (m3/h)

0

100

200

300

400

500

600

700

800

900

500 1000 1500 2000 2500 3000 3500 4000

SFP = 2

SFP = 0,5

SFP = 1

Counter Flow Heat Recovery Unit

Power (W)

Supply Fan Extract Fan Supply Fan Extract Fan Supply Fan Extract Fan

Voltage (V) / Current (A) RPM (1/min)

83CFHR - 05

119CFHR - 07

170CFHR - 10

170CFHR - 12

385CFHR - 16

470CFHR - 25

500

83

119

170

170

385

470

500

500 500

750 750

230/0.75

230/0.9

230/1.4

230/1.4

230/2.5

230/3.1

230/2.2

230/2.2

230/3.3

230/0.75

230/0.9

230/1.4

230/1.4

230/2.5

230/3.1

230/2.2

230/2.2

230/3.3

3200

3635

2860

2510

3400

2530

2700

1850

2100

3200

3635

2860

2510

3400

2530

2700

1850

2100

CFHR - 28

CFHR - 33

CFHR - 40

500

390

700

510

1040

845

1580

1440

2400

2100

2650

2200

1200

0

1000

150

MAX. AIR FLOW(m3/h)

NOMINAL AIR FLOW(m3/h)

Pext. (Pa)

Pext. (Pa)

CFHR - 05 CFHR - 07 CFHR - 10 CFHR - 12 CFHR - 16 CFHR - 25 CFHR - 28

3450

3000

CFHR - 33

4010

3510

CFHR - 40

*Sound pressure level is measured 1,5 m away from the device.

dB (A)

SOUNDLEVEL*

CFHR-05

32 33 37 34 34 42 45

CFHR-07 CFHR-10 CFHR-12 CFHR-16 CFHR-25 CFHR-28

44

CFHR-33

47

CFHR-40

7www.doguhvac.com*“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

Counter Flow Heat Recovery Unit

MODEL

CFHR-05

CFHR-07

CFHR-10

CFHR-12

CFHR-16

CFHR-25

CFHR-28

* All units are in mm

CFHR-33

CFHR-40

1297

1340

1450

1540

1790

1890

1890

1990

2130

L

560

580

840

1060

1320

1650

1950

1950

2000

W

293

334

334

334

375

375

375

457

597

H

200

200

320

400

530

700

830

800

850

A

210

210

210

210

210

210

210

310

410

B

230

230

290

300

340

350

350

430

520

C

626

646

906

1126

1386

1716

2016

2016

2066

D

1217

1259

1368

1458

1708

1808

1808

1910

2049

E

450

450

450

550

600

600

600

600

600

F

80

90

130

165

195

270

310

345

370

WEIGHT

8 www.doguhvac.com *“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

Counter Flow Heat Recovery Unit

StandardControl panel or external start stop function is available.

Optional

Optional

Optional

Optional

Wireless controller is available as option.

3 steps fan speed control of supply and exhaust fan is available.

Constant air flow or constant pressure.

Airflow control based on the air quality sensor is available.

Free cooling is available ,by controlling the indoor and outdoor air conditions.

There are 2 alternatives to control filters:1: It records run time of the unit and when set time expires,

control panel gives an alert for filter change.2: Filter change time can be controlled with pressure switch mechanically.By this way, control panel givesan alert when filter needs to be changed.

It controls all functions of unit via PC or central control system board.

It is used in order to increase fan speed:Alternative1: Via boast button on the control panel.

Alternative 2: Via dry contact or light power input (230V) on PCB board.

ModBus

Filter Function

Boost Function

It automatically stops operatingin case of interfering to the unit while it is working.

It will be active in case of fire.

Step control Electrical Heater

Fire Alarm Function

Safety

When outdoor temperature is low, this function will becomeactive by receiving information from humidity and temperature sensors.

Unbalanced, pre-heater, by-passFrost Protection Function

Bypass Damper Function

Fan Speed Control

Fan Speed Control

Fan Speed Control

Display

Standard

Standard

Standard

Standard

Standard

Standard

Standard

Standard

Heating coil valves on the device which include optional heating coil,are controlled by proportional valve motors with PID logic and sensitivity.Heating Coil

Standard

Digital control panel is available.Display

On / Off

Operation Description Standart

9www.doguhvac.com*“DOGU HVAC” reserves the right to introduce changes of parameters and sizes in the process of improvement of the devices.

Counter Flow Heat Recovery Unit

200

1000 1000 1000 1000 1000 1000 1000 1000 1000

210 410310210210210210210210

210 410310210210210210210210

Counter Flow Heat Recovery Unit

210

210

210

210

210

210

210

310

410

200

200

320

400

530

700

830

800

850

Counter Flow Heat Recovery Unit

We make the difference with140 different types of products.

0408

2020

info@doguhvac.com | www.doguhvac.com

HeadquarterITOB Organize Sanayi Bölgesi 10010 Sk.No: 4 35477 Tekeli, Menderes, İzmir/TURKEY Теl: +90 232 799 02 40 | Fax: +90 232 799 02 44

Istanbul Sales OfficeBarbaros Mah. Ciğdem Sk. No: 1 Ağaoğlu My OfficeKat: 4/18 Ataşehir, Istanbul/TURKEYТеl: +90 216 250 55 45 | Fax: +90 216 250 55 56