
List of components
PIPE CONNECTIONS
Connection, heating medium flow lineXL1
Connection, heating medium return lineXL2
Connection, cold waterXL3
Connection, hot waterXL4
Connection, docking from heat pumpXL8
Connection, docking to heat pumpXL9
Connection, docking in high tempXL18
Connection, docking out high tempXL19
Connection, expansion vesselXL30
HVAC COMPONENTS
Circulation pumpGP1
Charge pumpGP12
Drain valve, climate systemQM1
Venting valve, climate systemQM20
Reversing valve, climate system/water heating, flow
line
QN10
Mixing valve, additionQN11
Reversing valve, climate system/water heating, return
line
QN35
SENSORS ETC.
Manometer, heating systemBP5
Temperature sensor, heating medium supply1
BT2
Temperature sensor, heating medium return1
BT3
Temperature sensor, hot water, controlBT6
Temperature sensor, hot water, displayBT7
Thermostat, standby modeBT30
Sensor, external heat source, tankBT54
Temperature sensor, heating medium supply after immer-
sion heater
BT63
1Not visible in the image
ELECTRICAL COMPONENTS
Immersion heater cardAA1
AA1-S2 Switch (DIP switch) on circuit board
AA1-X1 Terminal block incoming
AA1-X3 Terminal block, immersion heater
AA1-X7 Terminal block, immersion heater
Base cardAA2
Input circuit boardAA3
AA3-X4 Terminal block, current sensors
Display unitAA4
AA4-XF3 USB socket
AA4-XF4 Service socket
Extra relay circuit boardAA7
Flow meter1
BF1
Immersion heaterEB1
Miniature circuit-breakerFC1
Temperature limiterFQ10
Resetting temperature limiterFQ10-S2
Auxiliary relay, emergency mode.K1
SwitchSF1
Network cable for NIBE UplinkW130
1Applies to VVM 310 EMK. Available as accessory EMK 310 for other markets.
MISCELLANEOUS
Rating platePZ1
Serial number platePZ3
Sign, pipe connectionsPZ4
Cable glandUB1
Cable glandUB2
Designations according to standard EN 81346-2.
NIBE VVM 310Chapter 3 | Design VVM 31010