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Carrier 42QHF009DS - Page 53

Carrier 42QHF009DS
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Defrosting action
4-Way valve
Indoor fan
Outdoor fan
480P
PMV
PMV running
4 mins with 480P
Compressor
10S
30S
TimeA
10S
no longer than 10min
Cool-F9
Anti cold wind
11.7.5 Auto-mode
This mode can be chosen by remote controller and the setting temperature can be changed between
18~30.
In auto mode, the machine will choose cooling, heating or fan-only mode according to the difference
between T1 and TS.
T1-TS
Running mode
T1-TS1
Cooling
-1< T1-TS1
Fan-only
T1-TS-1
Heating
Indoor fan will run at auto fan of the relevant mode.
The louver operates same as in relevant mode.
If the machine switches mode between heating and cooling, the compressor will keep stopping for 15
minutes and then choose mode according to T1-Ts.
If the setting temperature is modified, the machine will choose running function again.
11.7.6 Forced operation function
11.7.6.1 Enter forced operation function:
Pressing the touch button once, the machine will transfer into forced auto mode, if pressing the button once again,
the machine will turn into forced cooling mode, the third pressing will stop the unit, and the forth pressing is the
start of the cycle of forced auto mode, forced cooling mode and stop. Refer the following chart:
11.7.6.2 In forced operation mode, all general protections and remote control are valid.
11.7.6.3 Operation rules:

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