Daikin SkyAir FHQ24PVJU - Hot Start Control (in Heating Operation Only)

Outline of Control (Indoor Unit) SiUS281811EA
130 Part 4 Functions and Control
6.5 Hot Start Control (In Heating Operation Only)
At startup with thermostat ON or after the completion of defrosting in heating operation, the
indoor fan is controlled to prevent cold air from blasting out and ensure startup capacity.
TH2 : Temperature detected with the gas thermistor
Tc : High pressure equivalent saturated temperature
 FTQ-TA (when the heater is to be used)
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 control
Normal control
H/L remote
controller setting
LL
OFF
Remote controller
setting
P0 (Horizontal)
FanLouver
Ending condition
· Lapse of 3 minutes
· TH2 > 34°C (93.2°F)
· Tc > 52°C (125.6°F)
OR
Starting condition
· Defrost ending
· Oil return ending
· Thermostat ON
OR
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 control
Normal control
Airflow rate at
heater startup
LL
OFF
ON
OFF
FanHeater
Ending condition
· Lapse of 3 minutes
· TH2 > 34˚C (93.2˚F)
· Tc > 52˚C (125.6˚F)
OR
Starting condition
· Defrost ending
· Oil return ending
· Thermostat ON
OR