Daikin EWYQ080DAYN, Руководство по эксплуатации, Страница: 2 / 30

Operation manual
1
EWYQ080~250DAYN
Packaged air-cooled water chillers
4PW35558-1B
C
ONTENTS
Page
Introduction ....................................................................................... 1
Technical specifications ............................................................................. 1
Electrical specifications ............................................................................. 2
Important information regarding the refrigerant used ................................ 3
Description ........................................................................................ 3
Function of the main components.............................................................. 4
Safety devices............................................................................................ 5
Internal wiring - Parts table ........................................................................ 6
Before operation................................................................................ 7
Checks before initial start-up ..................................................................... 7
Water supply .............................................................................................. 7
Power supply connection and crankcase heating...................................... 8
General recommendations ........................................................................ 8
Operation .......................................................................................... 8
Digital controller ......................................................................................... 8
Working with the unit ................................................................................. 9
Advanced features of the digital controller............................................... 12
Troubleshooting ............................................................................... 20
Maintenance.................................................................................... 23
Maintenance activities ............................................................................. 23
Disposal requirements ............................................................................. 24
I
NTRODUCTION
This operation manual concerns packaged air-cooled water chillers
of the Daikin EWYQ-DAYN series. These units are provided for
outdoor installation and used for cooling and heating applications.
The EWYQ 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)
EWYQ080DAYN EWYQ180DAYN
EWYQ100DAYN EWYQ210DAYN
EWYQ130DAYN EWYQ230DAYN
EWYQ150DAYN EWYQ250DAYN
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
"Checks before initial
start-up" on page 7 .
(1) Refer to the engineering data book for the complete list of specifications.
General EWYQ 080 100 130
Dimensions HxWxD (mm) 2311x2000x2631
Weight
• machine weight
(kg)
1400 1450 1550
• operation weight
(kg) 1415 1465 1567
Connections
• chilled water inlet and outlet
3" OD 3" OD 3" OD
• evaporator drain
1/2" G 1/2" G 1/2" G
Internal water volume
(l)
15 15 17
Expansion vessel
(only for OPSP, OPTP and OPHP)
• volume
(l) 35 35 35
• pre-pressure
(bar) 1.5 1.5 1.5
Safety valve
water circuit (bar)
3.0 3.0 3.0
Pump (only for OPSP)
• type
Vertical in-line pump
• model (standard)
TP 50-240/2 TP 50-240/2 TP 65-230/2
Compressor
Type semi-hermetic scroll compressor
Qty x model 2x SJ180-4 2x SJ240-4 4x SJ161-4
Speed (rpm) 2900 2900 2900
Oil type FVC68D FVC68D FVC68D
Oil charge volume (l) 2x 6.2 2x 6.2 4x 3.3
Condenser
Nominal air flow
(m
3
/min)
780 780 800
No. of motors x output
(W)
4x 500 4x 500 4x 600
Evaporator
Model P120TH P120TH DV47HP
General EWYQ 150 180 210
Dimensions HxWxD (mm) 2311x2000x2631 2311x2000x3081
Weight
• machine weight
(kg) 1600 1850 1900
• operation weight
(kg) 1619 1875 1927
Connections
• chilled water inlet and outlet
3" OD 3" OD 3" OD
• evaporator drain
1/2" G 1/2" G 1/2" G
Internal water volume
(l)
19 25 27
Expansion vessel
(only for OPSP, OPTP and OPHP)
• volume
(l) 35 35 35
• pre-pressure
(bar) 1.5 1.5 1.5
Safety valve
water circuit (bar)
3.0 3.0 3.0
Pump (only for OPSP)
• type
Vertical in-line pump
• model (standard)
TP 65-230/2 TP 65-260/2 TP 65-260/2
Compressor
Type semi-hermetic scroll compressor
Qty x model 4x SJ180-4
2x SJ180-4 +
2x SJ240-4
4x SJ240-4
Speed (rpm) 2900 2900 2900
Oil type FVC68D FVC68D FVC68D
Oil charge volume (l) 2x 6.2 2x 6.2 + 2x 6.2 4x 6.2
Condenser
Nominal air flow
(m
3
/min)
860 1290 1290
No. of motors x output
(W)
4x 1000 6x 1000 6x 1000
Evaporator
Model DV47HP DV58HP DV58HP