York Pyrenees YM9FXC030BAA FX Series Service Manual page 20

T1-Ts
7.4.2.4 Low evaporator coil temperature T2
protection
T2
On
Off
When the evaporator coil temp.T2 keeps lower
than setting value, the compressor and outdoor
fan will shut off.
7.4.2.5 High condenser temperature T3
protection
T3
Compressor Off
When high condenser temp. T3 is more than
High
Medium
Low
Compressor On
setting value, the compressor will stop.
During the protection, the outdoor fan keeps
working.
7.4.3 Heating Mode
7.4.3.1 Compressor running rules:
T1
7.4.3.2 Outdoor fan running rules:
The outdoor units have single fan speed. The
outdoor fan will run following the compressor
except when AC is in evaporator high temp.
protection in heating mode , condenser high
temp. protection in cooling mode ,defrosting
mode and the current protection.
7.4.3.3 Indoor fan running rules:
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.
Auto fan action:
T1-TS
Low
Off
On
Medium