Hot Start Control (In Heating Operation Only) - Daikin RX-W Series Service Manual

Functions for FDMQ/FFQ Series
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
72
Defrost ending or oil return ending
or Thermostat ON
Hot start control
H/M/L remote
controller setting
LL
OFF
Remote controller
setting
Level position
TH
Hot start in progress
The fan is not OFF before initiating the hot start: LL
The fan is OFF before initiating the hot start: OFF
: Temperature detected by the indoor heat exchanger thermistor (R3T)
3
SiUS092230EA
Hot start ending conditions
·
Lapse of 3 minutes
OR
·
TH > 37°C (98.6°F)
3
Normal operation
Normal operation
Part 4 Functions and Control
R4003450