Technical Notice CSO/CPO V1.1 / 10.14
Page 43 / 86
Tuning and maintenance 8
Chapter contents
This chapter describes the various possible tunings and maintenance operations common to the whole
CSO/CPO range of chillers.
8.1
Tunings
8.1.1
Thermostat
For machines equipped with the hot gas
bypass option, the thermostat is different.
See section “9.1.7 Hot gas bypass (G)” on
page 54.
8.1.1.1 Description of the buttons
(1)
PRG/mute
button
Stops the thermostat alarm
(2)
UP / out
button
Increases the displayed data
Goes to the previous parameter
(3)
SET
button
Sets the setpoint
Displays the selected parameter's value
(4)
DOWN / def
button
Decreases the displayed data
Goes to the next parameters
8.1.1.2 Indications on the display
COMP
...............1 Led indicates that the com-
pressor is in operation.
Operation .........The value displayed corres-
ponds to the value read by
the temperature probe.
8.1.1.3 Changing the setpoint
A.
Press
SET
(3) 1 second.
Its value is displayed.
The selected value flashes after a moment.
B.
Increase or decrease the setpoint with the
UP
(2)
and
DOWN
(4) keys, respectively.
C.
Press
SET
(3) to validate the choice.
8.1.1.4 Stopping the alarm
A.
Press
PRG
(1).
The code remains stored until the alarm is
canceled.
Fig. 8-1 : Thermostat buttons
888
Prg
mute
out
Set
def
(1)
(2)
(3)
(4)
