Trane 09CH-FIXED-A1, Service Manual

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The above operation can work one time only, when compressor stops working, the unit will inspect the function once
again.
b. If the vane works on swing : When IDU quits from cold air prevention, vane operate as preset.
6.2.4.
8. “8
℃
” Heating
When function effective, it will make sure the room temperature not lower than 8
℃
, unit works on heating mode.
5.2.5 Fan mode
5.2.5.1. The temperature setting: 16~31
℃
(61-88
℉
),
Fan speed and vane position: as preset. The function for remote controller 58E only.
5.2.5.2. For above function, when unit preset to auto fan mode, the fan motor will change its operation speed based
on the temperature difference of ambient and preset temperature.
5.2.5.3. ODU always OFF.
5.2.6 Timer
The unit has times control, when the unit meet the timer preset, it will be switched on or off automatically.
5.2.6.1 TIMER ON
1). TIMER ON can be set only when the air conditioner is OFF.
2). Press TIMER on the remote control ONCE to enter time setting.
3). Press “▲” or “▼” to set the time for unit to start working.
4). Set other function as MODE, FAN SPEED, SWING etc.
5). Press TIMER ONCE AGAIN to confirm the TIME ON setting
5.2.6.2 TIMER OFF
1). TIMER OFF can be set only when the air conditioner is ON.
2). Press TIMER on the remote control ONCE to enter time setting.
3). Press “▲” or “▼” to set the time for unit to stop working.
4). Press TIMER ONCE AGAIN to confirm the TIME OFF setting
Note: In case of no selection for the time setting within 10s, the timer function will be OFF automatically.
5.2.7 Sleeping mode
While AC works in sleeping mode, the light of POWER SUPPLY and SLEEP always ON, and the temperature
display will be OFF after 15s.
In this mode, the AC unit works according to the SLEEP CURVE as designed.
Sleeping mode the unit can work 10 hours continuously, after that it will quit from this mode and work as
previous presetting.
5.2.8 Emergency switch
When the EMERGENCY switch is pressed one time, COOLING mode is selected and if it pressed again within
3s, HEATING mode selected, while press once again, the unit will be switched off.
When the remote controller out of function, batteries lost power, for example, the EMERGENCY button in the
front of indoor unit can be used for function test.
℃
4
2
0
δt comes down
δt goes up
High fan
Mid fan
Low fan
2℃
4℃
Air Conditioner Service Manual
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