Hydro-Pro+ Premium 22M Manuel D'installation Et D'utilisation page 16

6. APPENDIX
6.1. Appendix 1
Connection of PCB illustration
Connections explanation
14,15
No. symbol
K1 Compressor (220-230VAC)
COMP
K4 Water pump (220-230VAC)
PUMP
K3 Fan motor (220-230VAC)
FAN
K2 4way valve (220-230VAC)
4VAL
L Live wire
AC-L
12V Control power input
~12V,~12V
1,2,3 Wire controller
GND 12V NET
4 Water in temp.(input)
INTWT
5 Water out temp.(input)
OUTWT
6 Temp. Of coil 1( input)
PIPE
7 Temp. Of coil 1( input)
EVAP.
8 External temp.(input)
EXT.
9,10 On/Off Switch(input)(no use)
GND KYIN
11 Model(input)(no use)
MDIN
12 Flow switch (input)( normal close)
WATER
13 High pressure protect (input)
HP
Low pressure protect (input)
LP GND
PC2000
meaning
13