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Functions for FDMQ/FFQ Series
SiUS092230EA
72
Part 4 Functions and Control
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
Fa
n
Louv
er
Hot start ending conditions
·
Lapse of 3 minutes
·
TH
3
> 37°C (98.6°F)
OR
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...