L
Large amount of water below S2125, 40
LED status, 33
Low hot water temperature or no hot water, 39
Low room temperature, 40
M
Marking, 4
Master control, 34
P
Pipe connections, 23
Charge pump, 24
General, 23
Pipe coupling, heating medium, 24
Symbol key, 23
Water volumes, 23
Pipe coupling, heating medium, 24
Post adjustment and bleeding, 31
Power connection, 26
Preparations, 31
S
S2125 does not start, 39
S2125 not communicating, 39
Safety information, 4
Marking, 4
Serial number, 5
Symbols, 4
Sensor placement, 22
Serial number, 5
Sound levels, 47
Start-up and inspection, 31
Supplied components, 12
Symbol key, 23
Symbols, 4
T
Tariff control, 27
Technical data, 46
Dimensions, 46
Electrical circuit diagram, 55
Sound pressure levels, 47
Technical Data, 48
Technical Data, 48
Temperature sensor data, 40
The heat pump design, 17
Component locations, 17
List of components, 17
The heat pump’s design
Distribution box, 21
Transport, 9
Troubleshooting, 39
Basic actions, 39
High room temperature, 40
Ice build-up in the fan, grille and/or fan cone, 40
Large amount of water below S2125, 40
Low hot water temperature or no hot water, 39
Low room temperature, 40
S2125 does not start, 39
S2125 not communicating, 39
NIBE S2125Item register64