Breathing Buildings NVHR+
The incorporation of a heater into the NVHR system allows room pre-heating, and enhanced control over the
temperature of air being delivered to the space during occupancy. The combined LTHW heating and ventilation unit
means the two services are integrated and optimised for the most efficient use of heating and electrical energy.
Heating duty 1.65 kW per NVHR+ unit (3.3 kW per pair)
Heating medium Water entering @80 °C leaving 60 °C @ 0.018 l/s
LTHW connections 15 mm copper tubing
Heating valve 2-port modulating motorised valve
Air flow rate 80 l/s – 130 l/s fresh air per NVHR+ unit (depending on requirements)
Frost protection (full re-circ) If Text < 5 °C or Tint < 12 °C
Morning pre-heat (full re-circ) If Tint < 18 °C hour before occupancy
Occupied-day heating If Tint < target temp while occupied
Specific Fan Power 0.1 – 0.4 W/l/s (depending on grille / ducting arrangement and required flow)
Air flow rate per unit (l/s)
External static
pressure (Pa)
Frequency (Hz) Sound power
level Lw dB(A)
Free field dB(A) @ 3m
(spherical radiation)
Predicted room sound pressure
level dB(A) (with 1 unit)
Predicted room sound pressure
level dB(A) (with 2 units)
63 125 250 500 1K 2K 4K 8K
160 6 40 47 42 37 31 27 25 25 39 19 28 31
The low energy heating and mixing ventilation system
makes the most of free internal heat gains to temper
incoming fresh air in winter, while also providing:
Frost protection
Pre-occupancy space heating
Enhanced control over mixed air delivery
temperature
Quick-response heating compared to other
heating methods
Avoidance of over-supplying heat to the space
Negates requirement for other sources of
heating in the room
Integral controller and sensors to run feedback
loop
Set-points adjustable via BMS
Automatic with user override
Winter mixing
Summer boost
Automatic summer night cooling
Typically work as single units in small offices
(<10 occupants), multiple units in large offices
and pairs of units in standard classrooms
Morning pre-heat
Occupied day heating
Issue 1.1 / Apr 16
For full details regarding acoustic tests and data see NVHR datasheet Issue 2.0/Sept 15
TOLERANCES EXCEPT WHERE OTHERWISE STATED
XX.XXANGLES
0.5MM0.05MM0.5
900
FRONT(DAMPER)
800
3
65
355
960
1000
40 WATER FLOW AND RETURN
CONNECTIONS
14
THRU HOLE
PLAN
1310
1710
170
8
0
60
175
235
RIGHT
HATCHED AREAFOR CABLE ENTRY
16
BACK(GRILLE)
400X250SINGLE DELFECTIONGRILLE
300
280
LEFT
DO NOT DRILLIN DASHED AREAON ALL SIDES
A
400
2
08.5
0 1
200
UNDERSIDE
A
ISOMETRIC
REMOVABLEPANEL FORMAINTENANCEACCESS
REVERSE ISOMETRIC
A
4NO. 50X50 FIXINGBRACKETS(BY BREATHINGBUILDINGS)
NOTES:
WATER FLOW AND 1.RETURN CONNECTIONS TYPE A SHOWN (TYPE B AVAILABLE).GRILLE EFFECTIVE FREE 2.AREA APPROX. 0.063M^2.
WATER FLOW AND RETURN CONNECTIONS(15MM COPPERPIPES)
REMOVABLEPANELS FORMAINTENANCEACCESS
REVISIONS
REV. DESCRIPTION DATE DRAWN
1 UPDATE WEIGHT
12/08/2016 CC
2REVISED BRACKET POSITION
05/09/2016 CC
PRINTED 05/09/2016
2
IF IN DOUBT, ASK!DO NOT SCALE
65431
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7
FINISHSATIN WHITE
MATERIAL:
RIDGID FOAM PVC, CLASS 1Y FIRE RETARDANT
MASS WITHOUT PACKAGING
80KG
15 STURTON STREET, CAMBRIDGE, CB1 2SNT: 01223 450060 F: 01223 450061www.breathingbuildings.com/products
BR
EA
THIN
G B
UIL
DIN
GS
CO
NTI
NU
OU
SLY
WO
RK
TO
IMP
RO
VE
OU
R P
RO
DU
CTS
. TO
EN
SU
RE
UP
TO
DA
TE D
RA
WIN
GS
, PLE
AS
E C
ON
TAC
T B
RE
ATH
ING
BU
ILD
ING
S
1601_9001
SCALE 1:20
SURFACE TEXTURE TO BE 1.6 UMRA OR BETTER
DE-BURR ALL SHARP EDGES AND HOLESITEM MUST BE FREE FROM SCRATCHES, DENTS AND
OTHER BLEMISHES.
DIMENSIONS IN MILLIMETRES
SHEET 1 OF 1
TITLE:
DRAWING NO:
DATEDRAWN CHK'DDATE
A3
2 CC 05/09/2016
REV
CONFIDENTIAL: THIS DOCUMENT IS FOR THE USE OF THE MAIN CONTRACTOR, ARCHITECT, M&E DESIGN CONSULTANT AND M&E SUBCONTRACTOR FOR THE PROJECT NAMED IN THIS DOCUMENT OR ACCOMPANYING CORRESPONDENCE. THE CONTENTS SHOULD NOT BE DISCLOSED TO THIRD PARTIES, INCLUDING OTHER EQUIPMENT SUPPLIERS WITHOUT THE PRIOR CONSENT OF BREATHING BUILDINGS. BREATHING BUILDINGS LTD ©.BREATHING BUILDINGS RESERVE THE RIGHT TO CHANGE PRODUCT DESIGN WITHOUT PRIOR NOTIFICATION.
NVHR+ TYPE A
TOLERANCES EXCEPT WHERE OTHERWISE STATED
XX.XXANGLES
0.5MM0.05MM0.5
190
555
1355
960
A
A
SECTION C1-C1
B
B
C
C
A
B
SECTION A-A
INTERNAL SIDE
EXTERNAL SIDE
B MINIMUM 100MM CLEARANCE REQUIRED BETWEEN UNDERSIDE OF UNIT AND CEILING GRID/BULKHEAD
SOFFIT INDICATIVE LOADBEARING SUPPORTS(BY OTHERS)
B
1070 STD
470
S
TD
SECTION B-B
MIXED AIR DELIVERY400X250MM DEFLECTION GRILLE EFFECTIVE FREE AREA APPROX. 0.063M^2(BY BREATHING BUILDINGS)
WALL SLEEVE(BY BREATHINGBUILDINGS)
2UNIT MUST BEINSTALLED ONTHE HORIZONTALPLANE
40
CO
PP
ER
PIP
ES
190
555
960
C L
920S/O 10
100
0
600MIN
14 CLEARANCE
FIXING BRACKETS
800
A
A
SECTION C-C
NVHR SUPPLIED WITH 10X320X500MM FOAMALUX SHEET TO BE MOUNTED VERTICALLY IN DUCT TO MAINTAIN AIR SEPARATION FROM DAMPER TO LOUVRE(BY BREATHINGBUILDINGS)
ACCESS MUST BE PROVIDEDTO REMOVABLE PANELSFOR MAINTENANCE OF UNIT
SECTION A-A
320S/O 10
105 WALL SLEEVE
MIN 85MM IFWALL SLEEVEFULL HEIGHT
210 DETAIL A
SCALE 1 : 10
EXTERNALWEATHERLOUVRE (OPTIONAL,CAN BE SUPPLIEDBY BBL)PIR/PUR
INSULATIONBOARD(BY OTHERS)
>209 ATO ENSURE AIR PATHTO GRILLE ONUNDERSIDE OF UNITIS MAINTAINED
ENSURE EFFECTIVE SEAL,USE EITHER BG1 EXPANDING FOAM TAPE OR "NO NAILS" ADHESIVE OR SIMILAR(BY OTHERS)
10MM FOAMALUX WALL SLEEVEFOR BUILDERS OPENING. MATERIAL CAN BE CUT ON-SITE TO SUIT. INTERNAL DIMENSIONS 901X301MM
SUITABLE FOR BONDING TO INTERNAL WALL(BY BREATHING BUILDINGS)
ENSURE EFFECTIVE AIR-TIGHT SEAL RECOMMEND CLEAR SILICONE SEALANT(BY OTHERS)
A
290
350
200
80
250
DETAIL BSCALE 1 : 10
TERMINAL PANELLID, ACCESS MUSTBE PROVIDED FORMAINTENANCE
2X 15COPPER PIPESFOR WATERMAINS CONNECTION
HATCHED AREAFOR FIELD WIRINGONLY
NOTES:NVHR+ TYPE B SHOWN.1.WALL FRAME CAN BE CUT ON-2.SITE TO SUIT. STRUCTURAL OPENING OF 920X320MM IS REQUIRED.WALL FRAME TO BE ATTACHED 3.TO INTERNAL WALL. FIXING HOLES DRILLED AS REQUIRED ON-SITE.INSULATED DUCT SLEEVE 4.THROUGH WALL TO SUIT STRUCTURAL OPENING, TYP. PIR/PUR INSULATION BOARD.LOAD BEARING SUPPORTS 5.MUST BE SIGNED OFF BY THE STRUCTURAL ENGINEER FOR THE PROJECT.SUSPENDED CEILINGS - 1 NO. 6.600X600 EGG CRATE GRILLES REQUIRED.10X320X500 FOAMALUX 7.SPLITTER NOT REQUIRED IF UNIT FITTED AGAINST REAR OF EXTERNAL WEATHER LOUVRE. NVHR FRONT FACE (DAMPER SIDE) MUST NOT EXTEND INTO FINISHED INTERIOR WALL MORE THAN 150MM.LEAVE PLASTIC PACKAGING ON 8.DURING INSTALLATION.
REVISIONS
REV. DESCRIPTION DATE DRAWN
1 ADDED WEIGHT 12/08/2016 CC
2REVISED BRACKET POSITION
05/09/2016 CC
PRINTED 05/09/2016
2
IF IN DOUBT, ASK!DO NOT SCALE
65431
F
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7
FINISH
MATERIAL:
MASS WITHOUT PACKAGING
NVHR+ 80KG
15 STURTON STREET, CAMBRIDGE, CB1 2SNT: 01223 450060 F: 01223 450061www.breathingbuildings.com/products
BR
EA
THIN
G B
UIL
DIN
GS
CO
NTI
NU
OU
SLY
WO
RK
TO
IMP
RO
VE
OU
R P
RO
DU
CTS
. TO
EN
SU
RE
UP
TO
DA
TE D
RA
WIN
GS
, PLE
AS
E C
ON
TAC
T B
RE
ATH
ING
BU
ILD
ING
S
1604_9001
SCALE 1:20
SURFACE TEXTURE TO BE 1.6 UMRA OR BETTER
DE-BURR ALL SHARP EDGES AND HOLESITEM MUST BE FREE FROM SCRATCHES, DENTS AND
OTHER BLEMISHES.
DIMENSIONS IN MILLIMETRES
SHEET 1 OF 1
TITLE:
DRAWING NO:
DATEDRAWN CHK'DDATE
A3
2 CC 05/09/2016
REV
CONFIDENTIAL: THIS DOCUMENT IS FOR THE USE OF THE MAIN CONTRACTOR, ARCHITECT, M&E DESIGN CONSULTANT AND M&E SUBCONTRACTOR FOR THE PROJECT NAMED IN THIS DOCUMENT OR ACCOMPANYING CORRESPONDENCE. THE CONTENTS SHOULD NOT BE DISCLOSED TO THIRD PARTIES, INCLUDING OTHER EQUIPMENT SUPPLIERS WITHOUT THE PRIOR CONSENT OF BREATHING BUILDINGS. BREATHING BUILDINGS LTD ©.BREATHING BUILDINGS RESERVE THE RIGHT TO CHANGE PRODUCT DESIGN WITHOUT PRIOR NOTIFICATION.
NVHR+ INSTALLATION WALL GA
Confidential: This document is for the use of the Main Contractor, Architect, M&E Design Consultant and M&E Subcontractor for the project named in this document or accompanying correspondence. The contents should not be disclosed to third parties, incl uding other equipment suppliers without the prior written consent of Breathing Buildings © BBL 2014
Based on First Fix Template 0.13
IF IN DOUBT ASK!
Ident Device Cable Description Power Rating
D Internal Temperature/ CO₂ Sensor5 core shielded (24vdc, 0v, 10vdc signal 1, 10vdc signal 2, shield) or Trend cable
TP/2/2/22/HF/200
3W at 24V DC
F Fire Healthy Signal FP200 (24vdc switch supply, Fire Signal, Earth Nom
I User Interface – 1s3 core (24V, 24vdc switch position Auto, 24vdc switch position Test) or Trend
cable3W at 24V DC
II User Interface – 2s7 core (24v, 0v, 24vdc switch position max Vent, 24vdc switch position Disable,
24vdc switch Temp Up, 24vdc switch Temp Down, 24vdc signal Window Indicator,
Earth) or Trend cable
3W at 24V DC
L Single phase mains power 3 core (230vac, N, PE). 10amp at 230V AC N+PE
M Modbus Cat 5 with RJ45 straight through N/A
N1 NVHR+ Slave Damper 3 core (24vdc, 0v, 24vdc signal 1) 3W at 24V DC
N2 NVHR+ Slave Fans 4 core (10vdc signal 1, 0v signal 1, 10vdc signal 2, 0v signal 2) 3W at 24V DC
N3 NVHR+ Slave Fans Feedback 4 core shielded (Feedback signal 1 & 0v, Feedback signal 2 & 0v, shield) 3W at 24V DC
N4 NVHR+ Slave Duct Sensor 4 core shielded (10vdc signal, 0v, 24vdc, spare, shield) 3W at 24V DC
R1 Two Port Radiator Valve Power Valve Actuator Dependant (TBC) TBC
R2 Two Port Radiator Valve Signal 3 core (10vdc signal, 0vdc, Earth) 3W at 24V DC
R2 JW 07/03/16
R1 JW 08/02/16
REV DRAWN DATE CHKD DATE
DL
T°C+CO2
NVHR+ Master Unit(6 amp supply)
NVHR+ Slave Unit(6 amp supply)
N1
N2
M
M
To next Breathing Buildings master unit
L
Must be the Same Phase as the Master Unit
I
M
ATLAS PANEL REQUIRED TO CONTROL NVHR+ UNITS
BMS CAT5 Modbus routing to be determined by BMS provider
N3
R1 R2
N4
Master Unit Heater Control Valve See notes
Breathing Buildings Modbus Network
TITLE
Wiring Diagram for NVHR+ pair
PROJECT
16-04-18
DRAWING NO.
-160418-01
mjb
SHEET 1 OF 1
Notes:
• Grilles to be removed by others / not fitted before Final
Inspection
•Cable size and voltage drop to be calculated by others
• Cable not marked “shielded” can be site PVC mains
rated LSF Cable
• Mains Fused Isolator External to E-Stack and approx.
2mt above room floor
• Fire Healthy signal supply shut off NB Damper will
remain in position at time of power removal.
• Two Port Modulated Motorised Valve to be confirmed.
• N1 and N2 may be combined into a single cable.
•N3 and N4 must be screened in order to maintain signal
integrity.
• Trend Screened cable may be used – See Data sheet
• Cables and terminations to be fully identified and
numbered
II
NVHR+ Master and Slave Units:
F