Daikin R407C PLUS - Page 153

Operation Flowcharts Si33-105
142 Troubleshooting R407C PLUS Series Heat Recovery System
"
11 Fan
If fan operation is selected with the remote controller, LL speed operation is carried out
during heating.
Heating operation
Drain kit (M1P): OFF
Swing flap
Defrost/Hot start display: OFF
Air flow direction setting
Swing flap?
Defrost operation
in progress?
Hot start in progress?
Recycling gurad timer
ON (5 minutes)?
Test run in progress?
Thermostat status?
Defrost/Hot start display: ON
Auxiliary electric heater
(K1R): OFF
Humidifier (Hu): OFF
Fan M1F : LL operation
Auxiliary electric heater
(K1R): OFF
Humidifier (Hu): ON
Auxiliary electric heater
(K1R): ON
Humidifier (Hu): ON
Fan M1F : Operating
at set air flow volume
Fan M1F : L
operation
Fan M1F : OFF
Electronic expansion
valve Y1E
capacity contorol
Electronic expansion valve
Y1E : capacity contorol
Electronic expansion
valve Y1E :open
Auxiliary electric heater
(K1R): OFF
Humidifier (Hu): OFF
NO
NO
NO
YES
YES
NO
YES
YES
H 13
H 12
H 14
H 15
H 12
NO
Thermostat status?
Yes
NO
OptionOptionOptionOption
A
(VF025)
"
12 Air flow direction
Air discharge is 100% horizontal when heating operation is turned off by thermostat.
"
13 Hot start
Hot start is carried out when operation starts or defrosting is complete, and condenser
inlet temperature exceeds 34°C, or 3 minutes elapses, or when Tc > 52°C.