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SERVICE MANUAL
26
page
Portable Air Condi oners
6)Temperature control
• During cool mode, temperature control changes the RL4 (compressor on/off )
relay status according to TH3 temperature in the available range(-4 °F to 140
°F (-20 °C to 60 °C)).
ON
OFF
RL4
(Compressor Relay)
(Set Temp. -3 °F)
(Set Temp. -1.7 °C)
Set Temp
Inlet Air Temperature
When compressor operaon connues within this range
for more than 5 minutes, the RL4 relay stops.
