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OPERATION MANUAL

 

EWLP012KAW1N
EWLP020KAW1N
EWLP026KAW1N
EWLP030KAW1N
EWLP040KAW1N
EWLP055KAW1N
EWLP065KAW1N

 

Condenserless water-cooled water chillers

Summary of Contents for Hydrocube EWLP012KAW1N

Page 1: ...OPERATION MANUAL EWLP012KAW1N EWLP020KAW1N EWLP026KAW1N EWLP030KAW1N EWLP040KAW1N EWLP055KAW1N EWLP065KAW1N Condenserless water cooled water chillers...

Page 2: ...THROW THIS MANUAL AWAY KEEP IT IN YOUR FILES FOR FUTURE REFERENCE Read the chapter Overview of the user parameters on page 8 before changing the parameters Before starting up the unit for the first t...

Page 3: ...Hz 50 Voltage V 400 Voltage tolerance 10 Recommended fuses aM 3x 40 3x 50 3x 50 Compressor Phase 3 Frequency Hz 50 Voltage V 400 Nominal running current A 11 6 14 7 16 8 Control Phase 1 Frequency Hz...

Page 4: ...I O PCB A2P input output The I O PCB A2P contains a reverse phase protector The reverse phase protector detects if the 3 phases of the power supply are connected correctly If a phase is not connected...

Page 5: ...ut having to drain the water circuit Water filter delivered with the unit installed in the field The filter installed in front of the unit removes dirt from the water to prevent damage to the unit or...

Page 6: ...Switch on the circuit breaker on the unit Make sure that the unit is OFF on the controller 2 The crankcase heater is switched on automatically 3 Check the supply voltage on the supply terminals L1 L2...

Page 7: ...also be caused by an overcharge of refrigerant Working pressure It is important to check the high and low pressure of the refrigerant circuit to ensure the proper operation of the unit and to guarant...

Page 8: ...normal operation displaying the inlet water temperature In the second case the display will start flashing Approximately 40 seconds later the controller leaves the list of direct para meters The inlet...

Page 9: ...appear in the following order d to define the measurement unit C or F c7 to define the time delay between the pump startup and the compressor startup c8 to define the time delay between the unit shut...

Page 10: ...e delay between pump and compressor startup User parameter c7 allows you to define the time delay between the pump startup and the compressor startup The default limit and step values for the time del...

Page 11: ...eration displaying the inlet water temperature In the second case the display starts flashing Approximately 40 seconds later the controller leaves the list of user parameters without saving the modifi...

Page 12: ...start but the T LED is flashing Symptom 3 The unit does not start and the T LED does not light up Symptom 4 One of the following safety devices is activated When carrying out an inspection on the sup...

Page 13: ...the fans turn freely Clean if necessary Dirty or partially blocked condenser Remove any obstacle and clean condenser coil using brush and blower Inlet air temperature of the condenser is too high The...

Page 14: ...he figures below represent the average saturated temperature of R407C in relation to the pressure readout High pressure side Low pressure side conditions high pressure 20 bar subcool 3 C NOTES 10 20 1...

Page 15: ...NOTES NOTES...

Page 16: ...Zandvoordestraat 300 B 8400 Oostende Belgium 4PW30043 1...

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