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Accessory card AXC 40
An accessory card is required if step controlled addition
(e.g. external electric boiler) or if shunt controlled addi-
tion (e.g. wood/oil/gas/pellet boiler) is to be connected
to VVM 325.
An accessory card is also required if for example an
external circulation pump is connected to VVM 325 at
the same time that the buzzer alarm is activated.
Part no. 067 060
RSK no. 624 66 76
Active cooling. ACS 310
Part no. 067 248
RSK no. 624 69 16
Auxiliary relay HR 10
Part no. 067 309
RSK no. 624 67 79
Base extension EF 45
Part no. 067 152
RSK no. 622 41 07
Buffer vessel UKV
UKV 40
Part no. 088 470
RSK no. 686 19 40
UKV 100
Part no. 088 207
RSK no. 686 19 36
UKV 500
Part no. 080 302
RSK no. 686 19 39
UKV 200 Cooling
Part no. 080 321
UKV 300 Cooling
Part no. 080 330
Communications module MODBUS 40
MODBUS 40 enables VVM 325 to be controlled and
monitored using a DUC (computer sub-center) in the
building. Communication occurs using MODBUS-RTU.
Part no. 067 144
RSK no. 625 08 05
Communications module SMS 40
SMS 40 enables VVM 325 to be controlled and mon-
itored via SMS messages. The mobile application ”NIBE
Mobile App” can be used with a mobile telephone with
the Android operating system .
Part no. 067 073
RSK no. 625 06 77
Energy measurement kit EMK 300
Part no. 067 314
Exhaust air heat pump F135
F135 is an exhaust air heap pump specially designed
to combine recovery of mechanical exhaust air with
air-water indoor modules, e.g. VVM. The indoor module
controls F135.
Part no. 066 075
External electrical addition ELK
ELK 5
Immersion heater
5 kW, 1 x 230 V
Part no. 069 025
ELK 8
Immersion heater
8 kW, 1 x 230 V
Part no. 069 026
ELK 15
Immersion heater
15 kW, 3 x 400 V
Part no. 069 022
RSK no. 624 07 87
Extra shunt group ECS 40/ECS 41
This accessory is used when VVM 325 is installed in
houses with two or more different climate systems that
require different supply temperatures.
Part no. 067 287ECS 40 (Max 80 m²)
RSK no. 624 74 93
Part no. 067 288ECS 41 (Min 80 m²)
RSK no. 624 74 94
Heat pump
F2030
7 kW Part no. 064 099
RSK no. 624 68 15
9 kW Part no. 064 070
RSK no. 624 68 16
69Chapter 11 | AccessoriesNIBE™ VVM 325
11 Accessories
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