Nibe SPLIT ACVM270 - Page 56

Relay functions
Connec-
tion
FunctionStatusNameComponentRelay
X1:2Off0-GP1Heating medium pump HMPK1
On1
X1:4OffK2-0, K3-0-QN12Three way valve Cooling/heatingK2, K3
OnK2-0, K3-1
X1:13Open1-QN11Shunt valveK4
X1:14Close1-QN11Shunt valveK5
X1:20Closed0-QM312-way valve HMK6
Open1
X1:23Closed0-QM302-way valve HWK7
Open1
X1:26Off0-QA2Contactor electrical step 2K8
On1
X1:27Off0-QA1Contactor electrical step 1K9
On1
X1:28Off0-QA3Contactor electrical step 3K10
On1
X1:30Off0-QA10Control contactor, Outdoor unitK11
On1
X1:38Off0-GP10Circ. pump 2K12
On1
X1:40Open1+100 - QN11Shunt valve 2K13
X1:42Close1+100 - QN11Shunt valve 2K14
-AA22
X2:1-2
inactive0-AA22-K1High priority alarm relayAlarm relay
1
-AA22
X2:1-3
active1
-AA22
X3:1-2
inactive0-AA22-K2Low priority alarm relayAlarm relay
2
-AA22
X3:1-3
active1
Tips
■
Always close forced control in menu 9.3.7.1 after using
it.
NIBE SPLIT ACVM270Chapter 5 | Troubleshooting56