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CAUTION!
The water heater must be completely filled with
water before it is connected electrically.
Components in the water heater could be dam-
aged.
COMMISSIONING AND ADJUSTING
FILLING AND VENTING
The water heater
The water heater is filled by first opening a hot water tap in
the system and then opening the shut-off valve for incoming
cold water. This valve must then be fully open during opera-
tion. The hot water tap can only be shut off when the water
heater is filled, which is when only water comes out of the
tap (initially an air-water mixture comes out of the tap).
The climate system
When filling the climate system the double-jacketed space
must be vented by opening the air nipple.. The air nipple
may only be closed when water starts coming out of the air
hole.
Water capacity
VPA 200/70
Charge power (kW)
NL number
4
5
7
8.5
10
VPA 300/200
Charge power (kW)
NL number
4
7
10
15
NL number According to DIN 4753
T50: Heating time from 10 to 50 °C
Vmax: Maximum hot water quantity at 55 °C in the water heater. 12 l/min
gives 420 litres 40 °C mixed water. Incoming cold water 10 °C.
VPA 450/300
Charge power (kW)
NL number
8.5
10
13
15
* Tested with heat pump.
NL number According to DIN 4753
T50: Heating time from 10 to 50 °C
Vmax: Maximum hot water quantity at 50 °C in the water heater. 12 l/min
gives 550 litres 40 °C mixed water. Incoming cold water 10 °C.
22
T50 (minutes)
1.5
195
1.5
170
1.75
140
1.75
150
1.75
133
T50 (minutes)
2.5
250
2.75
160
3.0
110
3.25
75
T50 (minutes)*
4
205
4.25
190
4.5
150
4.75
95
NIBE VPA | EN
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