30
YORK INTERNATIONAL
SWITCH 1
OPEN:
Switch 1 will have no effect on the operation of the
chiller.
CLOSED:
Switch 1 will have no effect on the operation of the
chiller.
SWITCH 2
OPEN:
The low ambient cut-out is fixed at 25°F.
CLOSED:
The low ambient cut-out is programmable from 0-50°F.
A low ambient kit MUST be installed if the switch is
placed in this position.
SWITCH 3
OPEN:
DO NOT USE this mode at present.
CLOSED:
This should be selected in all applications; otherwise,
printer communication problems may result. This mode
will also be necessary to allow operation of options to
be developed in the future.
SWITCH 4
OPEN:
Switch 4 will have no effect on the operation of the
chiller. Suction pressure control is standard.
CLOSED:
Switch 4 will have no effect on the operation of the
chiller. Suction pressure control is standard.
SWITCH 5
OPEN:
Display messages will show units of measure in En-
glish units (°F, PSI, etc.)
CLOSED:
Display messages will show units of measure in Met-
ric units (°C, KPa, etc.)
SWITCH 6
OPEN:
This MUST be selected for chillers with “4” or more
fans where each refrigerant system will have fans
of its own.
CLOSED:
This MUST be selected for “2” fan chillers where
fans are shared by both refrigerant circuits.
C O M F O R T
C O O L I N G
C O M F O R T
C O O L I N G
S T A N D A R D
A M B I E N T
L O W A M B I E N T
C O N T R O L
L O C A L C O N T R O L
M O D E
R E M O T E C O N T R O L
M O D E
S U C T I O N P R E S S U R E
C O N T R O L
S U C T I O N P R E S S U R E
C O N T R O L
E N G L I S H U N I T S
R E A D O U T
M E T R I C U N I T S
R E A D O U T
S T A N D A R D C O N D E N S E R
F A N C O N T R O L
S H A R E D C O N D E N S E R
F A N C O N T R O L
