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Operation manual
1
EWAP110~340MBYNN
Packaged air-cooled water chillers
4PW22677-1
C
ONTENTS
Page
Function of the main components.............................................................. 3
Safety devices............................................................................................ 3
Internal wiring - Parts table ........................................................................ 4
Before operation................................................................................ 5
Checks before initial start-up ..................................................................... 5
Water supply .............................................................................................. 5
Power supply connection and crankcase heating...................................... 5
General recommendations ........................................................................ 6
Digital controller ......................................................................................... 6
Working with the unit ................................................................................. 6
Advanced features of the digital controller................................................. 9
Troubleshooting ............................................................................... 15
Maintenance.................................................................................... 17
I
NTRODUCTION
This operation manual concerns packaged air-cooled water chillers
of the Daikin EWAP-MBYNN series. These units are provided for
outdoor installation and used for cooling applications. The EWAP
units can be combined with Daikin fan coil units or air handling units
for air conditioning purposes. They can also be used for supplying
water for process cooling.
This manual has been prepared to ensure adequate operation and
maintenance of the unit. It will tell you how to use the unit properly
and will provide help if problems occur. The unit is equipped with
safety devices, but they will not necessarily prevent all problems
caused by improper operation or inadequate maintenance.
In case of persisting problems contact your local Daikin Dealer.
Technical specifications
(1)
EWAP110MBYNN
EWAP200MBYNN
EWAP140MBYNN
EWAP280MBYNN
EWAP160MBYNN
EWAP340MBYNN
Packaged air-cooled water chillers
Operation manual
READ THIS MANUAL ATTENTIVELY BEFORE STARTING
UP THE UNIT. DO NOT THROW IT AWAY. KEEP IT IN
YOUR FILES FOR FUTURE REFERENCE.
Before starting up the unit for the first time, make sure that
it has been properly installed. It is therefore necessary to
carefully read the installation manual supplied with the unit
and the recommendations listed in
(1) Refer to the engineering data book for the complete list of specifications.
General EWAP
110
140
160
Dimensions HxWxD
(mm)
2250x2346x2238
Weight
• machine weight
(kg)
1411
1565
1654
• operation weight
(kg)
1419
1578
1670
Connections
• chilled water inlet and outlet
3" OD (76 mm OD)
• evaporator drain
—
Compressor
110
140
160
Type
semi-hermetic single screw
Qty x model
1x
ZHC3LTGUYE
1x
ZHC3WLGUYE
1x
ZHC5LMGUYE
Speed
(rpm)
2880
Oil type
FVC 68D
Oil charge volume
(l)
5.5
5.5
7.5
Condensor
Nominal air flow
(m
3
/min)
960
No. of motors x output
(W)
4 x 550
4 x 1020
4 x 1020
Evaporator
Model
1x
AC120EQ-NP80
1x
AC120EQ-NP120
1x
AC120EQ-NP156
General EWAP
200
280
340
Dimensions HxWxD
(mm)
2250x4280x2238
Weight
• machine weight
(kg)
2193
2573
2623
• operation weight
(kg)
2213
2600
2657
Connections
• chilled water inlet and outlet
3" (88.9 mm OD)
• evaporator drain
1/4"G
Compressor
Type
semi-hermetic single screw
Qty x model
1x
ZHC5WLGUYE
1x
ZHC7LSGUYE
1x
ZHC7WSGUYE
Speed
(rpm)
2880
Oil type
FVC 68D
Oil charge volume
(l)
7.5
10
10
Condensor
Nominal air flow
(m
3
/min)
1920
No. of motors x output
(W)
8x 550
8x 1020
8x 1020
Evaporator
Model
1x
AC250EQ-NP96
1x
AC250EQ-NP128
1x
AC250EQ-NP162
Model EWAP
110
140
160
200
280
340
Power supply
• Phase
3~
• Frequency
(Hz)
50
• Voltage
(V)
400
• Voltage tolerance
(%)
±10
Unit
• Nominal running current
(A)
70
84
104
128
180
226
• Maximum running
current
(A)
95
120
135
168
232
288
• Recommended fuses
according to IEC 269-2
(gL)
3x 125 3x 160 3x 160 3x 200 3x 250 3x 355
Compressor
• Phase
3~
• Frequency
(Hz)
50
• Voltage
(V)
400
• Nominal running current
(A)
62
70
90
112
155
201
Control and fan motor
• Phase
3~
• Frequency
(Hz)
50
• Voltage
(V)
400
• Nominal running current
(A)
4x 1.9 4x 3.1 4x 3.1 8x 1.9 8x 3.1 8x 3.1