Klimaire KTHM015-E5H2 PTAC Service Manual - Manual (Page 12)

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T4
T01
Operate on high speed
T02
Operate on low speed
When T4﹥T01 and lasts for 1 minute, the fan motor will operates at high speed.
When T4﹤T02 and lasts for 1 minute, the fan motor will operates at low speed.
When T02≤T4≤T01:
A) If fan motor is off originally, it will operate at high speed.
B) If fan motor is on originally, it will keep on working at the original speed.
6.4.3. The fan motor operates at the heat pump and cooling mode as below:
When T4≥T03 and lasts for 1 minute, the fan motor will operates at low speed.
When T4≤T04 and lasts for 1 minute, the fan motor will operates at high speed.
When T04﹤T4﹤T03:
A) If fan motor is off originally, it will operate at high speed.
B) If fan motor is on originally, it will keep on working at the original speed.
6.4.4. The high temperature protection of evaporator at the heat pump and cooling mode as below:
T4
T03
Operate on high speed
T04
Operate on low speed