D.Micro-switch SW6 is for selection of temperature compensation in heating mode. This helps to reduce
the real temperature difference between ceiling and floor so that the unit could run properly. If the unit is
on-floor installed, 0 should be chosen.
Range: 0
o
C, 2
o
C, 4
o
C, E function (reserved for special customizing)
E. Micro-switch S1 and dial-switch S2 are for address setting when you want to control this unit by a
central controller.
Range: 00-63
F. Dial-switch ENC1: The indoor PCB is universal designed for whole series units from 18K to 55K. This
ENC1 setting will tell the main program what size the unit is.
NOTE: Usually there is glue on it because the switch position cannot be changed at random unless you
want to use this PCB as a spare part to use in another unit. Then you have to select the right position to
match the size of the unit.
“53” means 5.3kW (18K),“105” means 10.5kW(36K), and so on.
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