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.
AA2 Base card
FunctionOutput
QN10AA2-K1 (re-
versing
valve)
Charge pump (GP12)AA2-K2
(GP12)
Setting in %Charge
pump speed
Heating medium pump (GP1)AA2-K3
(GP1)
Setting in %Heating me-
dium pump
speed
Off/OnCompressor
(request)
Reversing valve QN35QN35
Off/OnQN11
(close)
AA1 Immersion heater card
FunctionOutput
EB1/1.33 kWAA1-K4
EB1/2.67 kWAA1-K5
EB1/1.33 kWAA1-K6
EB1/2.67 kWAA1-K7
EB1/1.33 kWAA1-K8
EB1/2.67 kWAA1-K9
AA3 Input circuit board
FunctionOutput
AUX outputAA3-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 500)
FunctionOutput
Not usedCL11-AA5-K1
Not usedCL11-AA5-K2
Reversing valve, pool QN19 as well as
circulation pump, cooling GP14
CL11-AA5-K3
Circulation pump, pool GP9CL11-AA5-K4
Solar control (SCA 30)
FunctionOutput
Circulation pumps GP4-GP15EP8-AA5-K1
Solar panel coolingEP8-AA5-K2
Circulation pump GP14 / cooling to
pool.
EP8-AA5-K3
Not usedEP8-AA5-K4
NIBE™ VVM 500Chapter 6 | Troubleshooting28
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