List of components
PIPE CONNECTIONS
Connection, heating medium supply line Ø22 mmXL1
Connection, heating medium return line Ø22 mmXL2
Connection, cold water Ø22 mmXL3
Connection, hot water Ø22 mmXL4
Connection, hot water circulation Ø15 mmXL5
Connection, docking from heat pump Ø22 mmXL8
Connection, docking to heat pump Ø22 mmXL9
Connection, T&P valve Ø15 mmXL29
HVAC COMPONENTS
Expansion vessel, closed, heating mediumCM1
Safety valve, hot water heater Ø15 mmFL1
Safety valve, heating medium Ø22 mmFL2
Circulation pumpGP1
Circulation pump, heating mediumGP6
T&P valve Ø15 mmFL5
Venting, climate systemQM20
Venting valve, coilQM22
Reversing valve, climate system/water heating, flow
line
QN10
Filler valve, heating mediumQM11
Submerged tube, temperature limiter, compressorUA1
TundishWM1
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-S2 Switch (DIP switch) on circuit board
Base cardAA2
Input circuit boardAA3
Display unitAA4
AA4-XF3 USB socket
AA4-XF4 Service socket
Immersion heaterEB1
Miniature circuit-breakerFC1
Temperature limiterFQ10
Temperature limiter, compressorFQ11
SwitchSF1
Network cable for NIBE Uplink
TM
W130
MISCELLANEOUS
Rating platePZ1
Serial number platePZ3
Cable glandUB1
Cable glandUB2
Inspection hole, vessel, Ø80 mmQQ1
Designations in component locations according to
standard IEC 81346-2.
13Chapter 3 | Indoor module's designNIBE VVM 320