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Operation manual

13

EWLP012~065KAW1N

Condenserless water-cooled water chillers

4PW30043-1

A

NNEX

 I

Saturated temperature

The 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

N

OTES

10

20

15

30

25

5

5

10

15

20

25

30

35

40

35

50

45

60

55

70

bar

65

5

10

9

8

7

6

4

3

2

1

bar

–10

0

–5

10

5

–15

20

15

30

25

40

35

50

45

Содержание Hydrocube EWLP012KAW1N

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 15: ...NOTES NOTES...

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

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