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NVS Range Users, Installation & Servicing Instructions Doc Ref M102 issue 2.4 May 2018.
Model
30
60
90
140
Output
kW
30
60
90
140
Input (nett CV)
kW
29.02
59.22
86.74
137.95
Airflow
Volume
(All Models)
m
3
/s
0.78
1.56
2.34
3.64
Throw
NVS F
m
24
25
31
37
Fan Static
NVS C
Pa
250
250
200
285
Electrics
Supply
Standard
V/ph/Hz
230/1/50
Optional
V/ph/Hz
415/3/50
NVS F
Motor
kW
0.39
0.66
2 x 0.39
2 x 0.66
Start
amp
3.76
5.5
5.0
10.6
Run
amp
1.70
2.4
2.3
5.3
NVS C
Motor
kW
1.10
1.40
2 x 1.10
2 x 1.40
Start
amp
18.50
28.90
31.0
40.0
Run
amp
6.40
9.50
12.80
17
Fuel
Connection
BSP/Rc
¾”
Minimum Inlet
Pressure
Nat Gas
mbar
17.5
LPG
mbar
37.0
Consumption
Nat Gas
m
3
/h
3.07
6.26
9.17
14.60
LPG
m
3
/h
1.21
2.42
3.55
5.64
Mounting
Height
NVS F
Min
m
2.50
3.00
Max
m
3.00
5.00
Overall
Dimensions
NVS F
Height
mm
818
818
705
1035
Width
mm
1050
1345
2345
2345
Depth
mm
1187
1204
1187
1204
Installation
Clearances
NVS
Top
mm
200
LH Side
mm
200
RH Side
mm
1000
Rear
mm
600
Condensate
Output
Connection
mm
15
15
15
15
Natural Gas
l/h
2.3
3.4
6.0
8.8
Propane
l/h
1.2
1.7
3.0
4.4
Flue
Diameter
mm ø
100
130
Maximum Length
Flue Only
m
12
Room Sealed
m
6
Combustion Air Spigot
mm ø
100
130
Noise Level
dB(A)
54
62
66
67
Nett Weight
NVS F
kg
124
177
245
350
NVS C
kg
195
252
384
514
Notes –
Fuel consumption and output figures based upon nett calorific values as follows
- Natural gas (G20) nett CV 34.02 MJ/m³
- Propane (G31) nett CV 88.00 MJ/m³
•
Heaters have efficiency levels which meet with the minimum efficiency requirements of UK PartL2B Building Regulations
•
Heaters have efficiency levels which meet the criteria of the Enhanced Capital Allowance Scheme (Excluding NVS30)
•
Air handling data is assessed at room ambient conditions
•
Throw figures provide the distance to the point where the terminal velocity degrades to 0.25 m/s
•
Dimensions and clearance data in table above refer to NVS F units only.
•
Condensate rates are approximate and for when heaters are working at maximum output.
•
Noise levels are applicable to standard NVS F models and are measured 5m from appliance and in free field conditions
•
Motor kW, run and start amps apply to standard electrical supply as stated. For optional data contact sales office
•
Connection of combustion air duct is not required for ‘flue only’ applications.
Duties