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Setpoint/Sub-
Menu
Default
Range
Description
Clr Stg Delays
Off
Off
Reset
This command, visible only with service password, can be
used to reset the Stage Up/Dn Timer.
4.2.6.5
Standby Chiller
This menu allows to configure the standby chiller
Setpoint/Sub-
Menu
Default
Range
Description
Standby Chiller=
No
No, Auto, Master, Slave 1, Slave
2, Slave 3
Standby chiller selection
Cycling Type=
Time
Run Hours, Sequence
Cycling type of standby chiller if previous parameter
Standby Chiller is set as Auto
Interval Time=
7 Days
1…365
Define the interval time (expressed in day) for the cycling of
standby chiller
Switch Time=
00:00:00
00:00:00…23:59:59
Define the time within the day when will be performed the
switch of the standby chiller
Tmp Cmp=
No
No,Yes
Enabling of Temperature Compensation function
Tmp Comp Time=
120 min
0…600
Time constant of Temperature Compensation function
Standby Reset=
Off
Off, Reset
Parameter to reset standby chiller cycling timer
Rapid Restart
This page shows if the function Rapid Restart is enabled by external contact and it allows to define the maximum black out
time in order to recover quickly the unit load.
Setpoint/Sub-
Menu
Default
Range
Description
Rapid Restart=
Disable
Enable, Disable
Feature enable if Rapid Restart is installed
Pwr Off Time=
60s
-
Maximum black out time to enable Rapid Restart
Date/Time
This page will allow to adjust the time and date in the UC. This time and date will be used in the alarm log and to enable
and disable the Quiet Mode. Additionally it’s also possible to set the starting and ending date for the DayLight Saving time
(DLS) if used. Quiet Mode is a feature that is used to reduce the chiller noise. This is done by applying the maximum
setpoint reset to the cooling setpoint and increasing the condenser temperature target by an adjustable offset.
Setpoint/Sub-Menu
Default
Range
Description
Actual Time=
12:00:00
Set the time
Actual Date=
01/01/2014
Set the date
UTC Diff=
-60min
Difference with UTC
DLS Enable=
Yes
No, Yes
Enable DayLight Saving time
DLS Strt Month=
Mar
DayLight Saving time start month
DLS Strt Week=
2ndWeek
DayLight Saving time start week
DLS End Month=
Nov
NA, Jan…Dec
DayLight Saving time end month
DLS End Week=
1stWeek
1
st
…5
th
week
DayLight Saving time end week
On board real time clock settings are maintained thanks to a battery mounted on the controller. Make sure that the battery
is replaced regularly each 2 years (see section 3.5).
Scheduler
This page allows to program the time scheduler
Setpoint/Sub-
Menu
Default
Range
Description
State
Off
Off, On Setpoint 1, On Setpoint
2
Actual state provided by the time scheduler
Monday
-
Link to Monday scheduler programming page
Tuesday
-
Link to Tuesday scheduler programming page
Wednesday
-
Link to Wednesday scheduler programming page
Thursday
-
Link to Thursday scheduler programming page
Friday
-
Link to Friday scheduler programming page
Saturday
-
Link to Saturday scheduler programming page
Sunday
-
Link to Sunday scheduler programming page
Table below reports the menu used to program daily time slots. Six time slots can be programmed by the user.
