2 About the box
Installation and operation manual
5
EWAQ016~064CAW + EWYQ016~064CAW
Packaged air-cooled water chiller
4P489435-1B – 2017.10
▪ Outdoor unit installation and operation manual:
▪ Installation and operation instructions
▪ Format: Paper (in the box of the outdoor unit)
▪ Installer and user reference guide:
▪ Preparation of the installation, reference data,…
▪ Detailed step-by-step instructions and background information
for basic and advanced usage
▪ Format: Digital files on http://www.daikineurope.com/support-
and-manuals/product-information/
Latest revisions of the supplied documentation may be available on
the regional Daikin website or via your dealer.
The original documentation is written in English. All other languages
are translations.
Technical engineering data
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
extranet (authentication required).
For the installer
2 About the box
2.1 Outdoor unit
2.1.1 To remove the accessories from the
outdoor unit
Make sure that all accessories are available in the unit.
1× 8×
a d ec
1×
b
1× 1×
f g
h
2× 1×
i
1×1×/2×
a General safety precautions
b Installation manual and operation manual (panel 3)
c Remote controller (panel 3)
d Main switch handle (panel 1)
e Tie wraps (panel 3)
f Shut-off valves (panel 3)
g Threaded connection (panel 3) (1× for EWAQ
+EWYQ016~032, 2× for EWAQ+EWYQ040~064)
h Filter (panel 3)
i Elbow (panel 3)
3 About the units and options
3.1 About the outdoor unit
This installation manual concerns the packaged air-cooled water
chiller. The unit is intended for outdoor installation and can be
combined with fan coil units for air conditioning purposes, or it can
be used for supplying water for process cooling applications.
The units are available in 7 standard sizes with nominal capacities
ranging from 16.8 to 63 kW. All sizes are available as cooling only
unit (EWAQ) and as heat pump unit (EWYQ: cooling/heating).
The unit is designed to work in heating mode at ambient
temperatures from –15°C to 35°C and in cooling mode at ambient
temperatures from –15°C to 43°C.
The main components are the compressor, the air heat exchanger,
and the water heat exchanger.
The compressor circulates refrigerant into the heat exchangers.
▪ In cooling mode, the refrigerant transports the heat taken from the
water heat exchanger to the air heat exchanger where the heat is
released to the air.
▪ In heating mode, the refrigerant transports the heat taken from the
air heat exchanger to the water heat exchanger where the heat is
released to the water.
3.2 System layout
RC
RT1
M1
RT2
M2
RT3
M3
FC1 FC2 FC3
a b c e
e f
i
f f
g
d
a Outdoor unit
b Plate heat exchanger
c Expansion vessel
d Pump
e Shut-off valve
f Motorized valve
g Bypass valve
FC1…3 Fancoil unit (field supply)
RC Remote controller
RT1…3 Room thermostat
4 Preparation
4.1 Preparing installation site
4.1.1 Installation site requirements of the
outdoor unit
Mind the spacing guidelines. See the "Technical data" chapter.
CAUTION
Appliance not accessible to the general public, install it in a
secured area, protected from easy access.
This unit, both indoor and outdoor, is suitable for
installation in a commercial and light industrial
environment.
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