6-3. Test point of indoor controller board
Indoor controller board
Condenser/evaporator
temperature thermistor
(RT13)
Power supply
input 220-240V AC
Fuse 250V AC 3.15A
Pipe temperature thermistor/liquid (RT12)
Room temperature thermistor (RT11)
Drain sensor (DS)
13
• Room temperature thermistor (RT11)
• Pipe temperature thermistor/liquid (RT12)
• Condenser/evaporator temperature
thermistor (RT13)
< Thermistor for lower temperature >
50
40
30
20
10
0
-20 -10 0
10 20 30 40 50
Temperature (:)