AEC GPWC70 Operating Instructions Manual Download Page 9 | Manualshive

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Summary of Contents for GPWC70

Page 1: ...OPERATING INSTRUCTIONS FOR WATER CHILLER Water cooled Microprocessor Controlled CE Conformity ...

Page 2: ...the safety pin located at the side of the main power switch Turn on the switch for inspection 2 When start the machine if error code indication displays 01 reverse phase running then the chilling pump is running in reverse If this occurs turn the power off and change any two of the power wires 3 Check to see if the fan motor of the cooling tower and circulation pump run to the directions as arrowh...

Page 3: ...he switch of compressor and indicator lamp lighting and check the temperature controller 5 When stop machine the operating procedures is accorded as the above mentioned but reversely B AUTO MANUAL OPERATION MODE 1 If the control panel is something trouble you can change the machine to the MANUAL mode and continue using the machine 2 The position of AUTO MANUAL mode is located at the AMS bar of PC2...

Page 4: ...3 EMBRANE TOUCH PANEL ...

Page 5: ...TB2 PC1 TMP SW PB Q1 K1 K2 K3 K4 G PC2 CN23 CN22 YUTING 2 B CN24 AMS ...

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Page 7: ...Water Condenser 3 Automatic Water Supply 14 Pressure Release Valve 4 Pump Motor 15 High Pressure Gauge 5 Water Pressure Gauge 16 Dry Strainer 6 Bypass Valve 17 Expansion Valve 7 Evaporator 18 Mesh Filter 8 Anti Frozen Switch 19 Mold 9 Low Pressure Gauge 20 Cooling Tower 10 Low Pressure Switch 21 Cooling Tower Pump 11 Compressor ...

Page 8: ...GPWC70 ...

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Page 13: ...temperature Anti freeze temperature should not be lower than 3 except for special models 3 Replace 4 Check water condition in water tank 5 Make sure pump is normal Insufficient refrigerant Error code display 03 or 04 1 Insufficient refrigerant low pressure switch tripped 2 Chiller frozen or pump damaged 3 Water by pass not open circulating water too little 4 Y strainer jammed On models without wat...

Page 14: ...e Appendix 1 for correction 2 Add refrigerant See Appendix 2 for correction 3 Increase capacity of chiller 4 Reduce temperature or replace switch 5 Replace compressor Check according to Appendix 3 6 Replace the jammed parts dry filter or expansion valve Vacuum treat then add refrigerant Insufficient refrigerant cause by high pressure valve release 1 High pressure switch damaged When refrigerant pr...

Page 15: ...SUFFICIENT REFRIGERANT 1 While the chiller is running if the low pressure gauge display is lower than 30 PSI then there is insufficient refrigerant When this occurs repair the locked parts dry the filter and vacuum treat then fill with the proper amount of refrigerant 2 If leaking parts are immersed in water immediately stop the machine running and remove the water from the water tank Contact the ...

Page 16: ...tch will work normally Under these circumstances the machine can be operated temporarily OPERATING SAFETY PRECAUTION 1 Do not run the machine unattended 2 Do not move guards while COOLING CHILLER is under power 3 Do not allow distractions to interfere with COOLING CHILLER operations Do not operate it while talking 4 Beware of obstructions that prevent completely tightening the screws Ensure that s...

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