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YORK INTERNATIONAL
82
ABCDEFGH I JKLMNOPQRST
1234567890° ,./%-()*X
ABCDEFGH I JKLMNOPQRST
1234567890° ,./%-()*X
or
The chilled liquid is glycol. The Cooling Setpoint can be
programmed from 10°F to 70°F (-12.2°C to 21.1°C).
Option 5 – Ambient Control Type
The low ambient cutout is adjustable from 25°F to 60°F
(-3.9°C to 15.6°C).
or
The low ambient cutout is programmable down to 0°F
(-17.8°C). A low ambient kit MUST be installed for this
option to be chosen.
Option 6 – Local/Remote Control Type
When programmed for LOCAL, an ISN or RCC control
can be used to monitor only. The micro panel will oper-
ate on locally programmed values and ignore all com-
mands from the remote devices. The chiller will com-
municate and send data to the remote monitoring de-
vices.
or
This mode should be selected when an ISN or RCC
control is to be used to control the chiller. This mode will
allow the ISN to control the following items: Remote
Start/Stop, Cooling Setpoint, Load Limit, and History
Buffer Request. If the unit receives no valid ISN trans-
mission for 5 minutes, it will revert back to the locally
programmed values.
Option 7 – Unit Control Mode
Unit control is based on return chilled liquid temp. It can
only be selected on units that have 4 or 6 compressors
(dual system units).
or
Unit control is based on leaving chilled liquid temp.
Refer to section on Capacity Control for details on load-
ing and unloading sequences.
LOCAL / REMOTE MODE
REMOTE
AMB I ENT CONTROL
STANDARD
CH I LLED L I QU I D
GLYCOL
AMB I ENT CONTROL
LOW AMB I ENT
LOCAL / REMOT E MODEL
LOCAL
CONTROL MODE
RETURN L I QU I D
CONTROL MODE
LEAVING L IQU ID
Unit Controls