INDEX
INDEX
03
04
To set tripping voltage of digital inputs.
FAULT SENS LOGIC
11
To set differential for Condenser.
COND. SET DIFF.
11
To set LP fault to Auto or Manual reset.
Enable / disables liquid level sensing .
LP FAULT RESET
LIQ. LEVEL SENSOR
13
13
To set Condenser set temperature.
COND SET TEMP.
11
10
To enable or disable condenser probe.
COND PROBE ACTIVE
To set Ct faults auto or manual reset.
CURRENT FAULT RST
15
This parameter configures pump
working logic
To enable / Disable Current Sensing
Lower current limit for the compressor .
PUMP RUN LOGIC
CURRENT INPUT
CURRENT LO LIMIT
13
14
15
Higher current limit for the compressor
15
CURRENT HI LIMIT
No. of retrials before sensing underload
/ overload fault in auto mode
15
CURRENT RETRIALS
This decides whether controller should
display faults in stand by mode or not.
FAULT IN STAND BY
12
NC-120A
NC-120A
To set the cutout point of the Controller.
To set Chiller Set point
To set compressor restart delay.
To set minimum allowable low
temperature limit and alarm..
To enable or disable Antifreeze function.
To set Antifreeze set point.
To set Antifreeze differential
To set Main(Liquid) probe calibration.
To set Antifreeze probe calibration.
To set Condenser probe calibration .
CHILLER SET TEMP.
To set other parameters
CHILLER SET TEMP.
COMP TIME DELAY.
HIGH TEMP. ALARM
LOW TEMP. ALARM
AFT PROBE STATUS
AFT SET TEMP.
AFT DIFFERENTIAL
LIQ. PROBE CAL.
AFT PROBE CAL.
COND PROBE CAL.
PROGRAM MODE
SET MODE
HT POWER ON DLY
DESCRIPTION
PARAMETER
Pg.
No.
06
06
06
06-07
07
07
08
08
08
09
09
09
10
10
DIFFERENTIAL
To set temperature differential for
compressor restart.
To set maximum allowable high
temperature limit & alarm.
This sets Power ON delay for high
temperature alarm to avoid false
alarms.
To set Current calibration.
CURRENT CAL
10
To set LP fault sensing delay
LP SENSING DLY
12
To set HP and AFT fault to Auto or
Manual reset.
HP/AFT RESET
12
This parameter configures condenser
working logic.
COND RUN LOGIC
14
COND START DLY
14
This parameter set the time delay that
condenser should start before
compressor.
It sets normal delay for EWFS fault
sensing.This avoids false tripping due
to water splashing.
EWFS NORMAL DLY
16
It sets power on delay for EWFS fault
sensing.
EWFS SATRTUP DLY
16
This configures AUX i/p as EWFS fault or
as AUX i/p to switch off whole system.
CONFIG AUX I/P
16
DESCRIPTION
PARAMETER
Pg.
No.
