AUX air conditioner service manual
72
fan unit stops within 3 minutes after compressor stops, and the others runs at low fan speed.
c)TA≤TS, compressor，outdoor fan unit stop, the indoor fan unit starts run at low fan speed after
stopping for 3 minutes.
The return difference of the temperature control is available when all conditions changed. Such as：If
transform from a) to b)，must satisfy the condition of TA＜TS+2℃，from b)to a) must satisfy the
condition of TS≤TA-1℃，from b)to c)must satisfy TA＜TS℃，from c) to b) must satisfy TA＞
TS+1℃。
●includes the anti-freezing, sleeping and timing function.
H④ eating mode
The temperature setting range is 16℃～32℃
a)Primary setting temperature is 24℃，setting fan speed is high fan，press” plus” and“minus”button to
adjust the setting temperature. Press the “fan speed” button to select the setting fan speed between the
low fan and high fan speed.
b)The characteristic of control：
TA－TS≤－1℃，compressor and outdoor fan unit start.
TA－TS≥1℃，compressor and outdoor fan unit stop.
TA＝setting temperature，remain the previous condition.
c) The four-way valve keep open (except the defrosting condition)when running under the heating
mode. When transforming from the heating mode to the other mode or the air-conditioner turns off
with electricity, the four-way valve turns off in 2minutes 50 seconds delay.
d) Anti-cooling air function and residual heat removal
Indoor fan unit control：The indoor fan unit is controlled according to the setting temperature, indoor
room temperature and indoor coil temperature.
☆When compressor runs：
A、when TE≥TE1，the indoor fan unit runs at the setting fan speed. When the temperature rise up
to TE1 and fall down again, the low fan speed can be restored after the temperature reach TE1-5.
B、when TE2≤TE＜TE1，the indoor fan unit runs at the low fan speed. If the temperature rise up
to TE2 and fall down again, the fan stops only after the temperature reach TE2-2.
C、.When TE＜TE2，the indoor fan doesn’t start, hereafter if TE≥TE2-2，the fan restore to the
normal working condition.
D、If the indoor fan unit stop running for over than 10 minutes，the “run” indication light on the
operation panel twinkles（and shut off the system for restart）
☆When compressor stop running：
A、If TE≥TE3，the indoor fan unit runs at the setting fan speed.
B、If TE4≤TE＜TE3，the indoor fan unit runs at low fan speed.
C、If TE＜TE4，the indoor fan unit stops running.
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