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Micro Panel Contents
Low Ambient Mode allows the Low Ambient Cutout
to be programmed from -18 to 10°C (0 to 50°F). Values
above -4°C (25°F) can be used to automatically shut
down the chiller when direct cooling methods become
operational.
SWITCH 3 : Refrigerant
Open:
S 1 - 3
R E F R I G E R A N T
R - 4 0 7 C
The R407C Mode MUST be selected for models using
refrigerant R407C. Incorrect selection of this switch
may cause serious damage to the chiller.
Closed:
S 1 - 3
R E F R I G E R A N T
R - 2 2
The R-22 Mode MUST be selected for models using
refrigerant type R-22. Incorrect selection of this switch
may cause serious damage to the chiller.
122
Dip Switch Physical Location and Setting
LD03511B
LD03511A
FIG. 51 – ENLARGED PHOTOGRAPH OF DIP
SWITCHES ON MICROPROCESSOR
BOARD
"OPEN" Position:
Left side of switch
pushed in
"CLOSED" Position:
Right side of switch
pushed in
YORK INTERNATIONAL
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