17
18
Sr.No.
Parameter (LCD Message)
Description of parameters and functions.
Parameter setting method.
Use UP/DOWN keys to set desired
value.
To change System Autostart
parameter, press the set key.
AUTOSTART
38
Function : To enable auto start of
controller at power on.
Example :
If this mode is enabled,then
the compressor will remain in the on state,
while Precesion SV will switch on/off on
the set point to maintain the temperature
precisely.
Use UP/DOWN keys to set desired value.
PRECISION MODE
37
To change Precision Mode
parameter, press the set key.
Disable
Enable
Function : To enable / disable Controller
to function in precision mode.
Disable
AUX I/P SETTING
36
To change Aux Input
parameter, press the set key.
Pump ON
All OFF
Use UP/DOWN keys to set desired
value.
case of Auxilliary fault.
fault.
Pump On = Will keep pump running in
All Off = Trip whole system on Auxilliary
Function : This parameter will set pump
functioning incase of Auxiliary fault.
Pump ON
Range
Min
Max
Fact. Set
Range
Min
Max
Fact. Set
Enable
Disable
Enable
Store
Clear
Store
Sr.No.
Parameter (LCD Message)
Description of parameters and functions.
Parameter setting method.
KEYPAD LOCK
CLEAR FAULT LOG
Use UP/DOWN keys to set desired
value.
values.
Disable = Use can change the values.
Enable = All parameter are locked to set
parameter, press the set key.
To change Keypad Lock
To change Clear Fault Log
parameter, press the set key.
39
40
Function : To lock keypad.
Function : To clear last fault history
Range
Min
Max
Fact. Set
Range
Min
Max
Fact. Set
Use UP/DOWN keys to set desired
value.
Store = Store fault history
Example :
If this parameter is set to
‘Clear”then it will clear all previous faults
saved in the memory. “Store” will save
last 15 faults.
Clear = Clear all previous fault history
Range
Min
Max
Fact. Set
Disable
Enable
Disable
Disable = Start Controller with power
key.
Enable = Auto start controller at power
on.
FACTORY DEFAULTS
41
Function : Revert to factory set parameter.
To change Factory Setting
parameter, press the set key.
Use UP/DOWN keys to set desired value.
Disable
Enable
Disable
Range
Min
Max
Fact. Set
To restore default settings of the
controller. When set to Enable, all
parameters are programmed to factory
settings. Used to debug setting related
problems.
PUMP RUN HRS
43
Use UP/DOWN keys to set desired value.
Function: To display total pump working
hours.
COMP RUN HRS
42
Function : To display total compressor
working hours
Use UP/DOWN keys to set desired value.
CLR COMP RUN HRS
44
Range
Min
Max
parameter, press the set key.
To change Clear Comp Run
Store
Clear
Use UP/DOWN keys to set desired
value.
Note :
User need to connect prokey at
the back of the controller before entering
in to the program mode.
Function : To clear compressor run
hours
Fact. Set
Store
NC-120A
NC-120A