Haier SYJS-0308 Service Manual page 68

(3) Cooling operation
Cooling operation
Swing action
Operate
speed set
According
state of thermostat
Note: 1. When abnormal phenomenon occur, the indoor unit indicator will indicate abnormality according
to the abnormal parts.
2. When temperature of the evaporator inlet is lower than 0¡æ and keeps for 5 minutes, unit will operate
in anti-icing mode.
No
Swing
Yes
Yes
Automatic
fan speed
No
in fan
Yes
Test run
No
Yes
Rated
operation
No
Yes
Emergency
operation n
No
to the
Close
Swing flap in the
cooling standard
position
Adjust fan speed according
to temperature set and in
air temperature
Electronic
overheat control
cooling standard position
Fan motor: high speed
Electronic
overheat control. Swing flap:
cooling standard position. Fan
motor: rated speed
Electronic
overheat control. Swing flap:
cooling standard position , Fan
motor: auto
Electronic
Open
overheat control, send turning
on unit signal to outdoor unit
Electronic
close, send turning off unit
signal to outdoor unit
expansion valve:
Swing flap:
expansion valve:
expansion valve:
expansion valve:
expansion valve: