Service manual


GB
speed
set speed
lo�er
turn off
77
O
F 86
O
F 90
O
F coil pipe temp.
Note: When Tp≤86
O
F, flap is open at 85°and is running at lo�er speed, �hen Tp≥90
O
F, it is
running at set speed and flap revert to prior state.
If Tp≤77
O
F, turn off indoor blo�er fan., turn off indoor blo�er fan.turn off indoor blo�er fan.
Defrost control
Indoor blo�er fan turn off �hen it enter defrost.
Clear quantity of heat
Turn off air conditioner in heating mode, if the coil pipe temp. of indoor unit is
more than 104
O
F, indoor blo�er fan is running at lo� speed. If the coil pipe temp. of
indoor unit is less than or equal to 104
O
F or turn off air conditioner over 2 minutes, It
shutdo�n indoor blo�er fan.
Auto mode
set temp. is 77 OF and it can’t change;
Press emergency key in �aiting state or select auto mode by remote, air conditioner
enter auto mode and set temp. is 77 OF.
Indoor blo�er fan is running for 20 seconds at lo�er speed after select auto mode, the
running lamp is light, it select correspond running mode accord to room temp.:
room temp.>79
O
F, select cooling mode.
room temp.<70
O
F, select heating mode.
70
O
F≤room temp.≤79
O
F,select ventilation mode.
When the running mode has confirmed, it can’t change, if it reenter auto mode, it
select running mode again accord to room temp..
When the mode of auto select is clash �ith other indoor unit running mode:
If it auto select is cooling mode and other indoor unit is running heating mode, then
it select ventilation mode.
If it auto select is heating mode, but other indoor unit is running cooling mode,
display error of mode clash.
if it select is ventilation mode, then it running is ventilation.
Ventilation
1) Range of set temp.: 60
O
F -90
O
F.
2) Indoor blo�er fan is operate same as cooling mode.
3) Flap is operate same as cooling mode.
4) Indoor unit no po�er require in ventilation mode.
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