Trane 4MXW6-A, Installer Manual

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The condition and process of defrosting
When frost is detected in the condenser, the system will enter into defrosting state. When
defrosting starts, the compressor and indoor fan will stop, and the outdoor fan and four-way valve
will delay 30 seconds to stop. The compressor will start again af
ter 30s and. When the compressor
has run for 8mins, the compressor will stop.
After 30 seconds the four-way valve opens and after another 60 seconds, the compressor and
outdoor fan resume running. The indoor fan will delay 2 minutes to run at the latest and
temperature on the display panel shows H1.
Under heating mode,when the compressor is stopped by malfunction, the indoor fan will blow at
low fan speed for 60s and then stop.
Protection
• Overcurrent protection
If total current is high, the compressor will run in limited or dropped frequency. When total
current go on rising over the stated value, the compressor will stop, the outdoor fan will delay
30 seconds to stop.
FAN mode
In this mode, the indoor fan will run the fan in High, Med, Low and Auto mode. The compressor,
outdoor fan and four-way valve will stop.
In this mode, the temperature setting ra
The unit will adjust the running frequency of the compressor automatically according to the change
of ambient temperature.
AUTO mode
In this mode, the system selects COOL, HEAT and FAN mode automatically according to the change
of ambient temperature. The protection function is the same with that of COOL/HEAT mode.
The unit will adjust the running frequency of the compressor automatically according to the change
of ambient temperature.
Other control
ON / OFF
Each time the On/Off button of the remote controller is pressed, the On/Off state will switch once.
MODE selection
Press the MODE button on the remote controller to select and display the following modes: AUTO,
COOL, DRY, FAN, and HEAT.
Stop heating
Original running state
Reversal valve
Indoor fan
Outdoor fan
S
top
Start heating
Compressor
Tset
Tset
Tamb
3min
Run
2min 2min
1
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MS-SVN22A-EN
+9
+2
nge is 61 F~86 F.
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ter 30 seconds and when the compressor