12b-8
CONTROL SYSTEM
Revision 0
12B.3.8 Heating Mode
• SPT range: 16ºC~30ºC. Initial: 24ºC;
• In wall mounted units the indoor RT compensation temp’ value is - 3ºC -> RT,
(Excluding I FEEL Mode)
• IFAN speed range: Auto, Low, Mid and Hi. Initial speed: Low;
• Auto Fan
Note:
1. When IFAN speed changes from low speed to high, there is 3 minutes delay to avoid the fan
speed changing frequently, But not vice versa.
2. If RT is invalid and the fan speed is set to Auto, IFAN will operate at the medium speed
12B.3.9 Comp’ Operation
• If RT>=SPT+1ºC, COMP stop, OFAN will turn off after a delay of 30 seconds.
• If RT<=SPT-1ºC, COMP and OFAN will turn on,
Note:
1. COMP turns off have 3 min delay protection.
2. COMP turns on have 5 min protection.
3. OFAN will turn off 30 seconds after COMP stop, also when turning the unit off or changing to
cooling, Dry or Fan mode.
IFAN H
M
L
SPT-4ºC SPT-3ºC SPT-2ºC SPT-1ºC RT
COMP On
Off
SPT-1ºC SPT SPT+1ºC RT
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