SECTION 8 - MICROPANEL
JOHNSON CONTROLS
137
Form 201.47-ICOM1
Issue date: 17/11/2022
8
LD10605
Setpoints key
Setpoints key
Setpoints key operation
Cooling setpoints and ranges may be programmed by
pressing the SETPOINTS key. The first set point entry
screen is displayed as shown in this section. The first
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 24 on page 138 also shows
the allowable ranges for the cooling setpoints and Con-
trol Ranges. Note that the Imperial units are exact val-
ues while the Metric units are only approximate.
SETPOINTS ◄DEF XXXXX LO XXXXX HI XXXXX
LOCAL COOLING SETPOINT = XXX.X °F
Pressing the SETPOINT
(ARROW) key will display the leaving chilled liquid
Control Range, default, and low/high limits.
SETPOINTS ◄DEF XXXXX LO XXXXX HI XXXXX
LOCAL CONTROL RANGE = +/- X.X °F
Pressing the SETPOINTARROW) key
a third time will display the remote setpoint and cool-
ing range. This display automatically updates about
every 2 seconds. The following is the remote setpoint
message:
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 displays XXX.
Pressing the SETPOINTS key or the Arrow key a
fourth time will bring up a screen that allows the Maxi-
mum Remote Temperature Reset to be programmed.
This message is as follows:
SETPOINTS ◄DEF XXXXX LO XXXXX HI XXXXX
MAXIMUM REMOTE TEMP RESET = XXX.X °F
The values displayed under each of the key presses
may be changed by keying in new values and press-
ing the (ENTER) key to store the new value into
memory. Where more than one value may be keyed in
on a display, a portion of the data that does not need
updating may be skipped by pressing the (ENTER)
key. The (ENTER) key must also be pressed after the
last value in the display to store the data into memory.
Figure 56 - Setpoints key
To Next Page
Loading...
Need help?
General
