Nibe F2120 - Energy Metering and New Builds

Distribution box
LEK
AA2 FC1
X24
F5 F4 X7 F2 F1
S2
S1
X23
X22
X21
X28 X27 F3 X2 X1 X5
X9
S3
Electrical components
Base cardAA2
Terminal block, incoming supplyX1
Terminal block, compressor supplyX2
Terminal block, external control voltageX5
Terminal block, 230V~X7
Terminal block, connection KVRX9
Terminal block, Compressor blocking,
Tariff
X21
Terminal block, communicationsX22
Terminal block, communicationsX23
Terminal block, fanX24
Terminal block, expansion valve QN1X27
Terminal block, subcooling QN34X28
Fuse, operating 230V~F1
Fuse, operating 230V~F2
Fuse for external heating cable KVRF3
Fuse, fanF4
Fuse, fanF5
Miniature circuit breaker (Replaced with automat-
ic protection (FB1) when installing accessory
KVR 10.)
FC1
DIP switch, addressing heat pump during multi
operation
S1
DIP switch, different optionsS2
Reset buttonS3
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
19Chapter 3 | The heat pump designNIBE™ F2120