Daikin EUWL KZW1 Series, Service Manual

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General Outline ESIE-0303
1–20 Part 1 – System Outline
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1 1
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1.12 Electrical Specifications: EUWL12-20KZW1
Electrical
specifications The table below contains the electrical specifications.
(1)
: The value is measured when one compressor is ON and the other compressors of the chiller are
OFF.
Nominal conditions The nominal conditions are as follows:
■ Entering/leaving evaporator water temperature 12/7°C
■ Condensing temperature bubble = 45°C
(2)
■ Liquid temperature = 40°C
(2)
: This temperature corresponds with the compressor discharge pressure.
Model EUWL12KZW1 EUWL16KZW1 EUWL20KZW1
Power supply
Phase 3N~
Frequency 50 Hz
Voltage 400 V
Voltage tolerance ± 10 %
Unit
Starting current 129 A 93 A 127 A
Nominal running
current 15.0 A 20.8 A 26.2 A
Max. running current 23 A 33 A 41 A
Recommended fuses 3 x 25 gG 3 x 25 gG 3 x 40 gG
Compressor
Phase 3~
Voltage 400 V
Starting current DOL
(1) 129 A 79 A 109 A
Nom. running current 15.0 A 10.4 A 13.1 A
Max. running current
20 A 14 A 18 A
Starting method Direct on line
Control circuit
Phase 1~
Voltage 230/ 24 V AC (supplied by factory installed transformers)
Recommended fuses Factory installed
Crankcase heater
(E1/2 HC) 33 W 50 W