Hot Start Control (In Heating Operation Only) - Daikin 2MXS-N Series Service Manual

SiUS121502E
2.4

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.
Detail
Function and Control
Defrost ending or oil return ending
or Thermostat ON
Hot start control
H/L remote
controller setting
LL
OFF
Remote controller
setting
Level position
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
TH : Temperature detected by the gas thermistor
2
Tc: High pressure equivalent saturation temperature
Function of FFQ Series
Hot start ending conditions
·
lapse of 3 minutes
·
OR
TH > 34˚C (93.2˚F)
2
·
Tc > 52˚C (125.6˚F)
Normal operation
Normal operation
(R19187)
59