Function check, components
Relay test - forced control
The heat pumps relay outputs can be force controlled
from menu 5.6.
1.
Tick "activated". Forced control is then activated
for 10 minutes.
2.
Tick the outputs that you want to activate.
3.
Check the relay/component function.
WARNING!
Forced control must only be used by users fa-
miliar with the system. When forced control
is activated, the alarm functions are disabled.
Internal outputs
FunctionOutput
Reversing valve (QN10)AA2-K1
Circulation pump (GP6)AA2-K2
Circulation pump (GP1)AA2-K3
No functionAA2-K4
%Heating me-
dium pump
speed
Off/On/%Compressor
(request)
Immersion heater 2.0 kWAA1-K4
No functionAA1-K5
Immersion heater 2.0 kWAA1-K6
Immersion heater 3.0 kW on K9AA1-K7
Immersion heater 2.0 kWAA1-K8
Immersion heater 1/3 kWAA1-K9
Alarm output/HWC/Ext. heating medium
pump.
AA3-X7
Climate system 2 (ECS 40/ECS 41)
FunctionOutput
Mixing valve, closeEB21-AA5-K2
Mixing valve, openEB21-AA5-K3
External circulation pumpEB21-AA5-K4
Climate system 3 (ECS 40/ECS 41)
FunctionOutput
Mixing valve, closeEB22-AA5-K2
Mixing valve, openEB22-AA5-K3
External circulation pumpEB22-AA5-K4
Climate system 4 (ECS 40/ECS 41)
FunctionOutput
Mixing valve, closeEB23-AA5-K2
Mixing valve, openEB23-AA5-K3
External circulation pumpEB23-AA5-K4
Pool (POOL 310)
FunctionOutput
Pool reversing valve QN19 as well as
charge pump pool GP12.
CL11-AA5-K3
Circulation pump, pool GP9CL11-AA5-K4
External additional heater Gas/Electric/Oil fired
boiler
FunctionOutput
Control EM1EM1-AA5-K1
Close QN11EM1-AA5-K2
Open QN11EM1-AA5-K3
Circulation pump GP10EM1-AA5-K4
External additional heat, Electric heater
FunctionOutput
Contactor 1EB1-AA5-K1
Contactor 2EB1-AA5-K2
Contactor 3EB1-AA5-K3
Circulation pump GP10EB1- AA5-K4
Cooling
FunctionOutput
Reversing valve QN12EQ1-AA5-K1
Circulation pump GP13EQ1-AA5-K2
Circulation pump GP12EQ1-AA5-K3
NIBE™ VVM 320Chapter 6 | Troubleshooting54
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