245
JOHNSON CONTROLS
FORM 201.21-NM1 (1223)
LD10605
SETPOINTS
KEY
SETPOINTS KEY
SETPOINTS Key Operation
Cooling setpoints and ranges may be programmed by
pressing the SETPOINTS key. The îš¿rst setpoint entry
screen will be displayed as shown below. The îš¿rst
line of the display will show the chiller default (DEF),
minimum acceptable value (LO) and maximum ac-
ceptable value (HI). The second line shows the actual
programmed value. TABLE 16 also shows the allowable
ranges for the cooling setpoints and control ranges. Note
that the Imperial units are exact values while the Metric
units are only approximate.
SETPOINTS â—„DEF XXXXX LO XXXXX HI XXXXX
LOCAL COOLING SETPOINT = XXX.X °F
Pressing the SETPOINTS key a second time or the â–¼
(ARROW) key will display the leaving chilled liquid
control range, default, and low/high limits.
SETPOINTS â—„DEF XXXXX LO XXXXX HI XXXXX
LOCAL CONTROL RANGE = +/- X.X °F
Pressing the SETPOINTS key or the â–¼ (ARROW)
key a third time will display the remote setpoint and
cooling range. This display automatically updates
about every 2 seconds. This remote setpoint message
is show below:
SETPOINTS REMOTE SETPOINT = XXX.X °F
REMOTE CONTROL RANGE = +/- X.X °F
If there is no remote setpoint being utilized, the remote
setpoint value will be displayed as XXXXXX and the
remote control range will display XXX.
Pressing the SETPOINTS key or the ‚ Arrow key a fourth
time will bring up a screen that allows the Maximum
Remote Temperature Reset to be programmed. This
message is show below:
SETPOINTS â—„DEF XXXXX LO XXXXX HI XXXXX
MAXIMUM REMOTE TEMP RESET = XXX.X °F
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