
Operation manual
3
EWAQ080~260DAYN
Packaged air-cooled water chillers
4PW35556-1C
Important information regarding the refrigerant used
This product contains fluorinated greenhouse gases covered by the Kyoto Protocol.
Refrigerant type: R410A
GWP
(1)
value: 1975
(1)
GWP = global warming potential
Periodical inspections for refrigerant leaks may be required depending on European or local legislation. Please contact your local dealer for more
information.
D
ESCRIPTION
The EWAQ air-cooled water chillers are available in 8 standard sizes.
Figure -
Main components
1200 1200
1000
1000
3000
EWAQ240+260
31
1200 1200
1000
16
19
5
1000
32922
1
6
26
5
26
27
23
321 21 10 93834
3000
3939 39 39202 23 22321417 1718
28 152425 7 24447
6
27
25
32 33 12
37
11
35
30
8
13
36
1200 1200
10001000
3000
EWAQ080~150 EWAQ180+210
1
Evaporator
14
Ambient temperature sensor (R1T)
29
Pump (optional)
2
Condenser
15
Drier + charge valve
30
Buffertank (optional)
3
Compressor
16 Power supply intake 31 Expansion vessel (optional)
4 Electronic expansion valve + sight glass
with moisture indication
17 Switchbox 32 Waterfilter
18 Digital display controller (behind service
panel)
33 Water stop valve (optional)
5 Discharge stop valve (optional) 34 Frame
6 Suction stop valve (optional) 19 Field wiring intake 35 Buffertank drain valve
7 Liquid stop valve (optional) 20 Main isolator switch 36 Regulating valve (optional)
8 Chilled water in (Victaulic
®
coupling) 21 Transportbeam 37 Water safety valve (optional)
9 Chilled water out (Victaulic
®
coupling) 22 Flowswitch 38 Pressure gauge (optional)
10 Water drain evaporator 23 Fan 39 Eyebolt (for lifting the unit)
(only for EWAQ080~210)
11 Air purge 24 Safety valve
12 Leaving water temperature sensor
(R3T)
25 High pressure sensor
26 Low pressure sensor
13 Entering water temperature sensor
(R2T)
27 High pressure switch Required space around the unit for service
and air intake
28 Oil sight glass
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