Commercial Air Conditioner Model: AP*****EAA AU*****EAA
14
1.Indoor AUTO FAN control
A. During cooling program.
If the unit enters AUTO FAN for the first time, when Tr˚Ts+2, select high speed; when TrİTs,
select low speed; or it will select med speed; If the present fan speed is AUTO HIGH, when Tr˘
Ts+2, fan speed will change to AUTO MED. If the present fan speed is AUTO MED, when Tr˘Ts,
fan speed will change to AUTO LOW; when Tr˚Ts+3, fan speed will change to AUTO HIGH. If the
present fan speed is AUTO LOW, when Tr˚Ts+1, fan speed will chenge to AUTO MED. Fan speed
conversion in AUTO FAN mode: the conversion will delay for 3 minutes from HIGH to LOW, and no
delay from LOW to HIGH.
B. During heating program.
If the unit enters AUTO FAN for the first time, when Tr˚Ts-1, select low speed; when TrİTs-3,
select high speed; or it will select med speed; If the present fan speed is AUTO LOW, when Tr˘
Ts-1, fan speed will change to AUTO MED. If the present fan speed is AUTO MED, when Tr˚Ts,
fan speed will change to AUTO LOW; when Tr˘Ts-3, fan speed will change to AUTO HIGH. If the
present fan speed is AUTO HIGH, when Tr>Ts-2, fan speed will chenge to AUTO MED (Ts means
setting temperature on the wired controller). Fan speed conversion in AUTO FAN mode: the
conversion will delay for 3 minutes from HIGH to LOW, and no delay from LOW to HIGH.
2. Automatic run
1). Cooling-heating type
After the machine being started and running mode changes to AUTO, the system will decide
running mode according to difference between the present room temperature and setting
temperature, then runs as the decided mode. In the following selections, Tr means room
Ts 2
Ts 1
Medium speed
Low speed
High speed
Ts 3
Ts
Low speed
Medium speed
High speed
temperature
falling
temperature
rising
Ts 1
Ts 2
Ts
Ts
3
High speed
High speed
Medium speed
Medium speed
Low speed
Low speed
temperature
falling
temperature
rising
8.1 For cabinet indoor unit
8. Electrical Control Functions
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