Sub-Zero NANOCHILL NC-120A User Manual Download

Page: 8 / 14

Sr.No.

Parameter (LCD Message)

Description of parameters and functions.

Parameter setting method.

Manual

Auto

LP FAULT RESET

resettable. User need to press

Auto = Sets LP faults as Auto resettable.

Use UP/DOWN keys to set desired value.

Manual = Sets LP faults as Manual

RST key To clear these faults.

To change LP fault reset
parameter, press the set key.

Function : This parameter will set LP
fault to Auto or Manual reset.

Range

Min

Max

Fact. Set

LIQUID LEVEL SENSOR

sensing.

Use UP/DOWN keys to set desired value.

Enable = This will enable liquid level

Disable = This will disable liquid level

To change Liquid level
parameter, press the set key.

Function : This parameter enable /
disables liquid level sensing.

Disable

Enable

Disable

Range

Min

Max

Fact. Set

Function : This parameter configures
pump to keep always on or on/off with
compressor.

PUMP RUN LOGIC

To change Pump start
parameter, press the set key.

Use UP/DOWN keys to set desired
value.

Sr.No.

Parameter (LCD Message)

Description of parameters and functions.

Parameter setting method.

And if this delay is set to 10seconds then
condenser will switch on 10 seconds
before compressor.

Use UP/DOWN keys to set desired value.

If condenser is running with compressor

COND RUN LOGIC

always on.

With Comp = Condensor will switch on/

off with compressor.

Always On = Condensor will remain

Use UP/DOWN keys to set desired
value.

Function : This parameter configures
Cond to keep always on or on/off with
compressor.

Range

Min

Max

Fact. Set

To change Cond Start
parameter, press the set key.

Always

With

Comp

Always

COND START DLY.

Function: To set sensing delay of
condenser on compressor ON.

Range

Min

Max

Fact. Set

To change Cond Start Dly.
parameter, press the set key.

1sec

60sec

10 sec

Range

Min

Max

Fact. Set

Always

With

Comp

Always

Always On = Pump will remain always
on.

With Comp = Pump will switch on/ off
with compressor.

Use UP/DOWN keys to set desired
value.

Enable = To Enable Current Sensing.
Disable = To Disable Current Sensing.

To change Ct Enable
parameter, press the set key.

Range

Min

Max

Fact. Set

Disable

Enable

Disable

CURRENT INPUT

Function: To enable / disable Current
Sensing

NC-120A

Summary of Contents for NANOCHILL NC-120A

Page 1: ...User Manual NANOCHILL NC 120A www pvrcontrols com RST 2 SET NANOCHILL ...

Page 2: ...rameters u Auto Manual reset for HP LP and AFT The Subzero NANO CHILL NC 120 are controllers that integrates all the basic control functions required by a chiller A user friendly Lcd screen displays all parameters status and alarm messages u Range 30 0ºC to 50 0ºC u HP LP Compressor O L SPP Pump O L Auxiliary Fault Introduction Features Items included 01 NC 120A NC 120A 02 NO 1 2 3 4 5 QTY 1No 1No...

Page 3: ...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 ...

Page 4: ...tart delay Contd Parameter List Min MINIMUM Max MAXIMUM Fact Set FACTORY SETTING DEFAULT Use UP DOWN keys to set desired value parameter press the set key To change Comp Time Delay NC 120A SET MODE PROGRAM MODE INDEX 05 Once the SET key is pressed the control goes into the normal mode and displays the temperature SET EXIT UP DOWN SCROLL 19 To set customer name to be displayed at controller power O...

Page 5: ...er is set to 0 50 0 C then once chiller temperature 0 goes above 50 0 C then controller will show Ht and alarm will be ON Range Min Max Fact Set Range Min Max Fact Set Range Min Max Fact Set AFT SET TEMP Use UP DOWN keys to set desired value EXAMPLE If this parameter is set to 5 0ºC controller will trip the compressor on Antifreeze fault if the AFT sensor goes below 5 0ºC To change AFT SET TEMP pa...

Page 6: ... only when the AFT Temperature goes above 7 0ºC 5 0ºC 2 0ºC 1 0ºC 10 0ºC 2 0ºC Range Min Max Fact Set Range Min Max Fact Set Range Min Max Fact Set Sr No Parameter LCD Message Description of parameters and functions Parameter setting method Use UP DOWN keys to set desired value EXAMPLE Same as Main Probe Cal To change Cond Probe Cal parameter press the set key Range Min Max Fact Set 10Amp 10Amp 0A...

Page 7: ...Set voltage level 230Vac 0Vac Controller will sense faults at 0 230Vac Controller will sense faults at 20 Range Min Max Disable Enable Disable FAULT IN STAND BY Function This decides whether controller should display faults in stand by mode or not To change Fault in Stand By parameter press the set key mode Note Eventhough the fault sensing is disabled in satnd by controller will display High temp...

Page 8: ...e Description of parameters and functions Parameter setting method And if this delay is set to 10seconds then condenser will switch on 10 seconds before compressor Use UP DOWN keys to set desired value If condenser is running with compressor COND RUN LOGIC always on With Comp Condensor will switch on off with compressor Always On Condensor will remain Use UP DOWN keys to set desired value 26 Funct...

Page 9: ...tions Parameter setting method 35 EWFS NORMAL DLY Function It sets normal delay for EWFS fault sensing This avoids false tripping due to water splashing 34 Range Min Max 0Sec 120Sec 10Sec EWFS STARTUP DLY Function It sets power on delay for EWFS fault sensing To change EWFS Startup Dly parameter press the set key Use UP DOWN keys to set desired value Fact Set 33 CONFIG AUX I P Function This config...

Page 10: ...ocked 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...

Page 11: ...sired value Customer can set service telephone number which will display at power ON 47 Function To set customer service number parameter press the set key To change Enter Your No SET EXIT UP DOWN SCROLL Once the SET key is pressed the control goes into the normal mode and displays the temperature 48 Function To end programming To end Program mode press set key 2 RST Press for 4 seconds to reset H...

Page 12: ...Relay 5A 250Vac Current Input 0 to 20Amp 0 Resolution 0 1 C 0 0 Probe Tolerance 0 3 C AT 25 C 0 0 Storage Temp 20 C to 70 C non condensing 0 Accuracy 1 C Resolution 0 1Amp 0 0 Range 30 0 C to 50 0 C Technical Data 22 NC 120A NC 120A Suggested Wiring Diagram PHASE NEUTRAL 1 2 1 4 8 2 5 9 3 6 10 7 11 14 12 15 13 16 17 24 25 19 23 26 20 27 21 22 LIQUID AFT COND NEUTRAL COMP O L HP LP SPPR PUMP O L AU...

Page 13: ...troller with a soft moist cloth Do not use abrasive detergents petrol alcohol or solvents Fixing and dimensions of panel models To fix the unit slide the side lock 1 through the guides 2 as per the position shown in the figure Move the side lock in the direction of the arrow it permits to move the fastener in the opposite direction of the arrow 3 Fit the screw in the side lock in direction of the ...

Page 14: ...her than by the company This warranty is in lieu of any other warranty expressed or implied In no event shall the company be held liable for incidental or consequential damages such as lost revenue or lost business opportunity arising from the purchase of this product INDIA Ball Valves Globe Valves Hand Valves Flow Switches Solenoid Valves OUR OTHER PRODUCTS Cold Room Controller Chiller Controller...

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Sub-Zero NANOCHILL NC-120A, User Manual

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