York Millennium YCAS 216X, Installation Operation & Maintenance

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80
YORK INTERNATIONAL
SWITCH 1
OPEN:
This mode is used for most applications and allow the
chilled liquid temperature setpoint to be programmed from
38 - 70°F. Selecting this mode also fixes the Low Chilled
Liquid Cut-out at 36.0°F and the Suction Pressure Cut-out
at 44 PSIG.
CLOSED:
This mode is used primarily for chilled liquid temperature
setpoints below 38°F. The chilled liquid setpoint can be
programmed from 10 - 70°F. This mode also allows the
Low Chilled Liquid Cut-out to be programmable from 8 -
36°F and the Suction Pressure Cut-out from 20 - 70 PSIG.
SWITCH 2
OPEN:
This mode fixes the low ambient cut-out at 25°F and must
be selected when a Low Ambient Kit is NOT installed.
CLOSED:
A Low Ambient Kit MUST be installed to use this mode.
The low ambient cut-out is programmable from 0 - 50°F.
W A T E R
C O O L I N G
B R I N E
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
FIG. 22 – DIP SWITCH LOCATION AND POSITION
26001A
LD01098
TOP VIEW
SIDE VIEW
RTC
031-01714-001
DIMPLE
AT TOP
EPROM
TOP SIDE
“OPEN” POSITION
(LEFT SIDE OF SWITCH
IS PUSHED DOWN)
“CLOSED” POSITION
(RIGHT SIDE OF SWITCH
IS PUSHED DOWN)
S1