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  CONTENTS 

 

2.1   Mega Chill User Interface 

 

 

 

4

1. 

Introduction 

 

 

 

 

            

 

4.3   FACTORY Parameters 

 

 

 

18

5. 

Alarms 

 

 

 

 

 

24

7. 

Precautions & Care 

 

 

 

         26

 

 

3.2   Mega Chill Keypad 

 

 

 

 

12

 

  1.1  Main Features 

 

 

 

           3 

 

  1.2  Hardware Description  

 

 

 

3

 

2.3   Sensors 

 

 

 

 

 

7

 

2.4   Prokey 

 

 

 

 

 

7

 

2.2   Input/Output Board 

 

 

 

 

6

 

2.5   Transformer   

 

 

 

 

7

 

2.6   Dimensions   

 

 

 

 

8

 

2.7   Connections   

 

 

 

 

9

 

3.1   Description - Inputs / Outputs   

 

 

11

3. 

Operations 

 

 

 

 

 

11

 

3.4   Water Pump   

 

 

 

 

15

 

3.3   How to Turn On/Off the Chiller 

 

 

14

 

3.5   Water Temperature 

 

 

 

 

15

2. 

Hardware 

 

 

 

 

 

4

 

3.6   Set-Point and Differential 

 

 

 

15

 

3.7   Antifreeze 

 

 

 

 

 

15

 

3.8   PUMP-DOWN 

 

 

 

 

16

 

3.9   Water Level   

 

 

 

 

16

4. 

Programming

 

 

 

 

 

 

17

 

4.1   Programming Levels   

 

 

 

17

 

4.2   USER Parameters 

 

 

 

 

17

 

4.4   Parameter Description & Values 

 

 

20

6. 

Technical Specifications   

 

 

 

25

1

Содержание Mega Chill

Страница 1: ...COMPRESSOR ON MED LIQUID LEVEL 0 29 5 C R R Navi Mumbai India 91 22 27782005 91 2227782008 info pvrcontrols com www pvrcontrols com Tel Fax E mail Web...

Страница 2: ...ut Board 6 2 5 Transformer 7 2 6 Dimensions 8 2 7 Connections 9 3 1 Description Inputs Outputs 11 3 Operations 11 3 4 Water Pump 15 3 3 How to Turn On Off the Chiller 14 3 5 Water Temperature 15 2 Har...

Страница 3: ...r It is a complete independent rugged and highly reliable unit It is one of the most efficient chiller controller of it s kind in the country with the kind of features it provides 1 1 Main Features WA...

Страница 4: ...Liquid Crystal Display LCD Character Size 5 56 X 2 96 mm displayed as Red Yellow Blue Faults Red blinking LED ALERT Indicates that there is a fault There are 21 LED indications on the chiller front pa...

Страница 5: ...erminals for power source On this board you can locate 10Vac yellow 9 Vac red 2 3 Sensors Japanese NTC thermistors housed in a water proof I P 68 metal casing Prokey Transformer 2 4 Prokey Custom made...

Страница 6: ...mensions in mm Input Output Board Mega Chill User Interface 2 6 Dimensions 167 45 124 160 205 178 163 119 134 8 2 7 Connections 6 way telephone cable Chiller Interface Terminal for panel mounting 9 5...

Страница 7: ...Switch 4 AFT AntifreezeThermostat External 5 Compressor Overload 6 Pump Overload Switch 11 EWFS Evaporator Water Flow Switch 9 S P P S i n g l e P h a s e Preventor 14 Y YPhase 12 Bitzer Comp O L 16 M...

Страница 8: ...UMP DOWN for 4 seconds forces a manual pump Down cycle 7 PRG SEL UP DOWN Used to enter and navigate in programming mode Pressing Mute Clear for 4 seconds will reset all alarms that have been set for M...

Страница 9: ...the Set point is 2 C the compressor will switch off at 0 0 0 7 C and restart at 9 C 7 2 9 C Press and hold the START key for 4 sec the unit will change from standby to working status Unit can only be...

Страница 10: ...g e compressors have springs on intake After the system has cooled the evaporator sufficiently a solenoid valve closes in the liquid line and the compressor pumps refrigerant into the condenser or rec...

Страница 11: ...display shows EP End Programming 5 Modify it s value with the UP and DOWN key 6 Press PRG to store the modified values and exit the procedure while SELallows you to return to the FACTORY parameters m...

Страница 12: ...e Antifreeze Probe F 0 1 0 Flag 1 0 Deactivate Antifreeze Probe 1 Activate Antifreeze Probe 0 A1 Antifreeze Set Point for F 30 R1 4 C 1 AFT Probe Set Para Description MIN MAX Fac M U Var by 0 set poin...

Страница 13: ...nactive 1 Active compressor cuts off and also perform every time the allows a manual pump down 0 Standby on power on 1 Auto Start on power on Set Para Description MIN MAX Fac M U Var by MUTE CLEAR sec...

Страница 14: ...Min Cable Section Screw terminal relay board 2 0 5 mm 11 Max Cable Section Screw terminal relay board 2 2 5 mm 12 Fuse 1 5A 13 Transformer Torroidal type Primary Input 230Vac 50Hz Output Secondary 2...

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