Pipe connections
Connection, heating medium supply line Ø22
mm
XL1
Connection, heating medium return line Ø22
mm
XL2
Connection, cold water Ø22 mmXL3
Connection, hot water Ø22 mmXL4
Connection, docking in heating medium Ø22
mm
XL8
Connection, docking out heating medium Ø22
mm
XL9
HVAC components
Expansion vessel, closed, heating mediumCM1
Safety valve, water heaterFL1
Safety valve, heating mediumFL2
Circulation pumpGP1
Circulation pump, heating mediumGP6
Venting, climate systemQM20
Venting valve, coilQM22
Reversing valve, climate system/water heating,
flow line
QN10
Filler valve, heating mediumQM11
Check valve, cold waterRM1
Sensors etc.
Manometer, heating systemBP5
Temperature sensors, heating medium flowBT2
Temperature sensors, heating medium returnBT3
Temperature sensor, hot water, chargingBT6
Temperature sensor, hot water, topBT7
Thermostat, standby modeBT30
Temperature sensor, heating medium supply
after immersion heater
BT63
Electrical components
Immersion heater cardAA1
AA1-SF1 Switch
Base cardAA2
Input circuit boardAA3
Display unitAA4
AA4-XJ3 USB socket
AA4-XJ4 Service socket
Energy meterBF1*
Immersion heaterEB1
Miniature circuit-breakerFA1
Temperature limiterFD1
SwitchSF1
Network cable for NIBE Uplink
TM
W130
Miscellaneous
Rating platePF1
Serial number platePF3
Cable glandUB1
Cable glandUB2
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
*Applies to VVM 320 R, VVM 320 3x230V R and VVM 320 E EM. Available as accessory EMK 300 for other markets.
5Chapter 2 | Indoor module's designNIBE™ VVM 320
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