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Fisher FSKMIF-71AE2-EU Service Manual page 29

Multi split type indoor units light commercial series

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8.4.5 Auto-mode
This mode can be chosen by remote controller and the setting temperature can be changed between
17~30℃.
In auto mode, the machine will choose cooling, heating or fan-only mode according to the difference
between T1 and TS.
For FSFMIF-70AE2 FSLMI-180AE2
For other models:
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.
8.4.6 Forced operation function
8.4.6.1 Enter forced operation function:
Press the touch button continually, the AC will run as below sequence:
When the machine is off, pressing the touch button will carry the machine to forced auto mode, after this, if
pressing the button once again, the machine will turn into forced cooling mode.
In forced cooling mode, pressing touch button will turn off the machine.
8.4.6.2 In forced operation mode, all general protections and remote control are available.
8.4.6.3 Operation rules:
Forced cooling mode:
The compressor runs at F2 frequency and indoor fan runs as breeze. After running for 30 minutes. the
machine will turn to auto mode as 24℃ setting temperature.
Forced auto mode:
The action of forced auto mode is the same as normal auto mode with 24
8.4.6.4 When there's indoor unit running in forced cooling, it is the master forced cooling unit. Other indoor
units will run at forced cooling mode too and they will be the slave forced cooling units. The slave forced
T1-TS
T1-TS>1℃
-1< T1-TS≤1℃
T1-TS≤-1℃
T1-TS
T1-TS>2℃
-2< T1-TS≤2℃
T1-TS≤-2℃
Forced auto→Forced cooling→Off
Running mode
Cooling
Fan-only
Heating
Running mode
Cooling
Fan-only
Heating
26
setting temperature.

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