WORKING MODE SELECTION WITHOUT THERMOSTAT
WORKING MODE SELECTION WITHOUT THERMOSTAT + SAFETY SWITCH
B
OUTDOOR UNIT
B
OUTDOOR UNIT
19
A
SW3
EXT.
OUTDOOR UNIT
DATALOGGER 1
C3
MODBUS GATEWAY
C4
DATALOGGER 2
C3
C4
C3
C4
A
SW3
EXT.
OUTDOOR UNIT
DATALOGGER 1
C3
MODBUS GATEWAY
C4
DATALOGGER 2
C3
C4
C3
C4
C
EG