Nibe PCM 40, Installer Manual, Page: 16 / 52

The cooling module's design
LEK
QN18
GP13
QN12
XL2 XL1 XL8
XL6 XL7
BT25
RM1
RM2
PCM 40/42 flow temperature sensor (extern-
al flow temperature sensor) BT25
Reversing valve, cooling/heating QN12
Mixing valve, cooling QN18
Circulation pump GP13
Non-return valve RM1
Non-return valve RM2
Heating medium return XL2
Heating medium flow (from PCM 40/42) XL1
Brine in (to PCM 40/42 from heat pump) XL6
Brine out (from PCM 40/42) XL7
Docking in (from heat pump) XL8
Electrical connection
LEK
AA5-X2
AA5-X9
AA5-F1
AA5-X4
AA5-S2 AA5
AA5-X10
SF1
W102 W101
Switch SF1
Accessory card AA5
Terminal block, sensors and external blocking AA5-X2
Terminal block, communication AA5-X4
Terminal block, circulation pump and revers-
ing valves AA5-X9
Terminal block, reversing valves AA5-X10
DIP switch AA5-S2
Fine wire fuse (T4A, 250V) AA5-F1
Cable with connection plug, supply W101
Cable, communication with heat pump or
previous accessory card W102
16
GB