SiUS122226E Functions for Duct Concealed / Ceiling Cassette Type
Part 4 Functions and Control 89
3.8 Hot Start Control (In Heating Operation Only)
Outline At startup with thermostat ON or after the completion of defrosting in heating operation, the indoor
unit fan is controlled to prevent cold air from blasting out and ensure startup capacity.
Details
R4003450
TH
3
: Temperature detected by the indoor heat exchanger thermistor (R3T)
Defrost ending or oil return ending
or Thermostat ON
The fan is not OFF before initiating the hot start: LL
The fan is OFF before initiating the hot start: OFF
Hot start control
Hot start in progress
Normal operation
Normal operation
H/M/L remote
controller setting
LL
OFF
Remote controller
setting
Level position
FanLouver
Hot start ending conditions
· Lapse of 3 minutes
· TH
3
> 37°C (98.6°F)
OR
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