Fan Mode; Cooling Mode; Compressor Control; Indoor Fan Control - York YEFE BZTM-MOW1 Series Service Manual

A6 Duct
Super-slim Cassette
Super-slim Cassette(with an auto-lifting panel)
1.4

Fan Mode

When fan mode is activated:
• The outdoor fan and compressor are stopped.
• Temperature control is disabled and no temperature
setting is displayed.
• The indoor fan speed can be set to high, medium, low,
or auto.
• The louver operations are identical to those in cooling
mode.
1.5

Cooling Mode

1.5.1

Compressor Control

When indoor room temperature T1 is lower than setting
value, the compressor and outdoor fan cease operation.
1.5.2

Indoor Fan Control

In cooling mode, the indoor fan operates continuously. The
fan speed can be set to high, medium, low or auto.
1.5.3 Outdoor Fan Control
The On-off outdoor units have single fan speed. The
outdoor fan runs following the compressor except when
AC is in evaporator high temperature protection in heating
mode, condenser high temperature protection in cooling
mode, defrosting mode and the current protection.
1.5.4 Evaporator Temperature Protection
When evaporator temperature drops below a configured
value for some time, the compressor and outdoor fan
cease operations.
1.6 Heating Mode(for heat pump models)
1.6.1 Compressor Control
When indoor room temp.T1 is higher than setting value
the compressor and outdoor fan will shut off.
1.6.2 Indoor Fan Control
• When the compressor is on, the indoor fan can be
set to high/med/low/auto. And the anti-cold wind
function has the priority.
• The indoor fan speed will adjust according to the value
of T1-TS.
1.6.3 Outdoor Fan Control
For on-off models, outdoor units just have one single fan
speed. The operation of outdoor fan is consistent with the
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