Electrical Control Function
40
Electrical Control System
4
T1-Ts
3
High
Low
1
Medium
1.3.2.4 Low evaporator coil temperature T2 protection
For ceiling& floor:
AC will enter T2 protection if any of the following conditions is satisfied.
Condition 1:
TE6
T2
On
Off
TE5
When the evaporator coil temp.T2 keeps lower than TE5 for 30 minutes, the compressor and outdoor fan will
shut off. When T2 is higher than TE6, the compressor and outdoor fan will restart up.
Condition 2:
TE6
T2
On
Off
TE5-2
When the evaporator coil temp.T2 keeps lower than TE5-2 for 20 minutes, the compressor and outdoor fan
will shut off. When T2 is higher than TE6, the compressor and outdoor fan will restart up.
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