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1 = Activate Pumpdown

H2

AUTOSTART on power on

.

0=Standby on power on.
1=Autostart on power on.

F

0

1

0

Flag

1

H3

Phase Errors
R Y B Phase Error

0= Inactive.
1= Active.
Incase of 0 system will ignore R Y B errors.

F

0

1

1

Flag

1

H4

UNIT1 SELECTION

0= Unit1 Inactive
1= Unit1 Active
Incase of 0 system will not activate 
compressor1 and all its faults.

F

0

1

1

Flag

1

H5

UNIT2 SELECTION

0= Unit2 Inactive
1= Unit2 Active
Incase of 0 system will not activate 
compressor1 and all its faults.

F

0

1

1

Flag

1

H6

UNIT3 SELECTION

0= Unit3Inactive
1= Unit3 Active
Incase of 0 system will not activate 
compressor1 and all its faults.

F

0

1

1

Flag

1

H7

Fault in standby 

It Enable/Disable fault sensing in standby 
mode.
0 = Disable.
1 = Enable.

F

0

1

0

Flag

1

FO

Fault sense logic of digital inputs

0 = Faults at 0V.
1 = Faults at 230V.

F

0

1

0

Flag

1

LP

Keypad lock.

0= Keypad Active
1=Keypad Locked

U

0

1

0

Flag

1

FS

Factory set parameters

1=Factory set parameters.

F

0

1

0

Flag

1

EP

End programming mode

.

Once in this mode press the SET key. The 
controller goes into the normal mode and all 
settings are saved.

F

Flag

Technical Specifications :

1. Analog Inputs : Japanese NTC thermistors

Resolution : 0.5 

0

C

Accuracy   : +/- 1

0

C

2. Controlling Temp. Range : -30 to 50 

0

C

Содержание Mega Chill-3Comp

Страница 1: ...H Setting the parameters I Technical Data Introduction The MEGA CHILL 3Comp is a three compressor chiller controller This integrates all the required functions of the chiller It is very user friendly...

Страница 2: ...ISPLAY LCD The Liquid Crystal Display shows the values of the controlled parameters the selected set point the alarm thresholds and all other information concerning the controlled variables DISPLAY ty...

Страница 3: ...P O L1 OSS Oil Safety Switch OSS1 Single Phase Preventor Trip1 SPP1 High Pressure trip for the compressor2 HP2 Low Pressure Trip for the compressor2 LP2 Compressor Overload trip2 COMP O L2 OSS Oil Saf...

Страница 4: ...ode MUTE Press this key for 1 second to disable the buzzer and alarm relay RESET Press and hold this key for 4 seconds to reset HP LPand antifreeze alarms which have been set for MANUAL RESET incase P...

Страница 5: ...h parameter t1 Using UP DOWN key user can scroll all the parameters By pressing SEL key user can view and change respective parameter value Press PRG to store and exit from that particular parameter T...

Страница 6: ...ill not allow the set point to go below 300 C Also if the temperature reaches 300 C the display will show Lt Low Temp indicating that the temperature has gone below the range in this parameter and at...

Страница 7: ...this parameter is set at 10 seconds the system will activate the flow switch alarm only if the error persists for or more than 10 seconds In this manner a false alarm can be avoided during normal oper...

Страница 8: ...N 0 Unit3Inactive 1 Unit3 Active Incase of 0 system will not activate compressor1 and all its faults F 0 1 1 Flag 1 H7 Fault in standby It Enable Disable fault sensing in standby mode 0 Disable 1 Enab...

Страница 9: ...esistive All digital outputs are fused 5 Operating Temperature 5 0 C to 500 C 6 Operating Humidity max 80 non condensing 7 Mounting Panel mounting type 8 Fuse 1 5A 9 Power Source Transformer Rating In...

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