A
Accessibility, electrical connection, 22
Accessories, 65
Alarm, 63
Assembly, 8
B
Back button, 41
C
Cable lock, 23
Commissioning and adjusting, 35
Commissioning without heat pump, 37
Filling and venting, 35
Pool, 40
Post-adjustment, venting, 37
Preparations, 35
Setting hot water circulation, 39
Setting the cooling/heating curve, 38
SG Ready, 40
Start guide, 36
Start-up and inspection, 36
Commissioning without heat pump, 37
Compatible Air/water heat pumps, 7
Connecting accessories, 33
Connecting cold and hot water, 20
Connecting current sensors, 29
Connecting external operating voltage for the control
system, 25
Connecting the climate system, 20
Connecting to heat pump, 20
Connection as electric boiler, 20
Connections, 24
Control, 41, 45
Control - Introduction, 41
Control - Menus, 45
Control - Introduction, 41
Display unit, 41
Menu system, 42
Control knob, 41
Control - Menus, 45
Menu 5 - SERVICE, 48
Cooling mode indication, 31
D
Delivery and handling, 8
Assembly, 8
Installation area, 8
Removing the covers, 10
Supplied components, 9
Transport, 8
Dimensions and pipe connections, 19
Dimensions and setting-out coordinates, 67
Display, 41
Display unit, 41
Back button, 41
Control knob, 41
Display, 41
OK button, 41
Status lamp, 41
Switch, 41
Disturbances in comfort, 63
Alarm, 63
Manage alarm, 63
Only additional heat, 64
Troubleshooting, 63
Draining the climate system, 59
Draining the hot water heater, 59
E
Electrical addition - maximum output, 27
Power steps of the immersion heater, 27
Electrical circuit diagram, 71
Electrical connections, 21, 26
Accessibility, electrical connection, 22
Cable lock, 23
Communication, 26
Connecting accessories, 33
Connecting external operating voltage for the control
system, 25
Connections, 24
Electrical addition - maximum output, 27
External connection options (AUX), 29
General, 21
Load monitor, 29
Miniature circuit-breaker, 22
NIBE Uplink, 29
Optional connections, 29
Outdoor sensor, 25
Power connection, 24
Removing the cover, base board, 23
Removing the cover, immersion heater circuit
board, 22
Removing the hatch, input circuit board, 22
Room sensor, 26
Settings, 27
Temperature limiter, 22
87Item registerNIBE VVM 225
Item register