Technibel PHRIE Series - Page 71

71
3.2.7 A3 REFRIGERANT CIRCUIT POWER BOARD FOR UNITS 157 / 177 / 197
A3 board A166VH8
4 way valve (20S)
Power relay
Ctrl (MG-SW)
Fans ctrl
Ex
p
ansion valve
(
MOV
)
Fans
supply
Board programming
PAC checker (ROM)
Service Remocon
(RC-P CN032)
Board ctrl signal (OC)
« Power » LED
«Char
g
e LED »
EEPROM LED