Nibe F2120-12, Installer Manual

Page: 20 / 68

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 card AA2
Terminal block, incoming supply X1
Terminal block, compressor supply X2
Terminal block, external control
voltage X5
Terminal block, 230V~ X7
Terminal block, connection KVR X9
Terminal block, Compressor blocking,
Tariff X21
Terminal block, communications X22
Terminal block, communications X23
Terminal block, fan X24
Terminal block, expansion valve QN1 X27
Terminal block, subcooling QN34 X28
Fuse, operating 230V~ F1
Fuse, operating 230V~ F2
Fuse for external heating cable KVR F3
Fuse, fan F4
Fuse, fan F5
Miniature circuit breaker (Replaced with auto-
matic protection (FB1) when installing accessory
KVR 10.) FC1
DIP switch, addressing heat pump during multi
operation S1
DIP switch, different options S2
Reset button S3
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
NIBE™ F2120 Chapter 3 | The heat pump design 20