Nibe VVM 500 Service Manual

Pipe connections
Connection, heating medium flow lineXL1
Connection, heating medium return lineXL2
Connection, cold waterXL3
Connection, hot waterXL4
Connection, docking in heating mediumXL8
Connection, docking out heating mediumXL9
Connection, solar system flow lineXL13
Connection, solar system return lineXL14
Connection, docking in high tempXL18
Connection, docking out high tempXL19
Connection, docking poolXL39
HVAC components
Expansion tank (connection)CM1
Circulation pumpGP1
Charge pumpGP12
Drain valve, water heaterQM1
Venting, climate systemQM20
Shuttle valve, climate system/water heater, flow
line
QN10
Shunt valveQN11
Shuttle valve, climate system/water heater, re-
turn line
QN35
Sensors etc.
Temperature sensors, heating medium flowBT2
Temperature sensors, heating medium returnBT3
Temperature sensor, hot water, controlBT6
Temperature sensor, hot water, displayBT7
Temperature sensor, solar coilBT54
Temperature sensor, heating medium supply
after immersion heater
BT63
Electrical components
Immersion heater cardAA 1
Base cardAA 2
Input circuit boardAA 3
Display unitAA 4
AA4-XJ3 USB socket
AA4-XJ4 Service socket
Extra relay circuit boardAA 7
Immersion heaterEB 1
Miniature circuit-breakerFA 1
Temperature limiterFD 1
SwitchSF 1
Miscellaneous
Rating platePF 1
Serial number platePF 3
Cable glandUB1
Cable glandUB2
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
NIBE™ VVM 500Chapter 2 | Indoor module's design6

Nibe VVM 500 Specifications

General

Type	Indoor module
Volume	500 liters
Integrated immersion heater	Yes
Energy efficiency class, DHW preparation	A
Compatible with	NIBE air/water heat pumps
Refrigerant	Not applicable
Cooling Capacity	Matches the heat pump it is connected to.