9 Technical data
Installation and operation manual
23
EWAQ016~ EWYQ016~064CAW
Packaged air-cooled water chiller
4P489435-1B – 2017.10
Main code
Cause
Solution
Two main remote controllers are connected (when using two
remote controllers)
Check that SS1 of one controller is set to MAIN, and the
other one to SUB. Turn the power supply off, and then back
on.
Type connection problem
▪ Wait until initialization between the outdoor module and
the hydro module is completed (wait at least 12 minutes
after power ON).
▪ Contact your local dealer.
Address error
Contact your local dealer.
9
Technical 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).
9.1
Service space: Outdoor unit
Make sure the space around the unit is adequate for servicing and
the minimum space for air inlet and air outlet is available (refer to the
figure below and choose one of the possibilities).
a
d
c
b
A+B+C+D
Possibility 1
Possibility 2
a≥300 mm
b≥100 mm
c≥500 mm
d≥500 mm
a≥500 mm
b≥500 mm
c≥500 mm
d≥500 mm
h
1
h
2
1500
500
F
(mm)
ABCD
Sides along the installation site with obstacles
F
Front side
Suction side
▪ If the location of the installation is in a cold climate, then
dimensions
a
and
b
above should be >500 mm to avoid
accumulation of ice in between the outdoor units.
INFORMATION
Further specifications can be found in the technical
engineering data.
9.2
Piping diagram: Outdoor module
Piping diagram: Outdoor module
M
INV
SV
HPS
STD1
HPS
STD2
HPS
SENPH
SENPL
SV
a
c
d
q
e
h
d
b
f
i
g
d
v
m
j
d
d
d
d
o
o
o
c
r
t
u
w
c
l
k
c
n
p
p
p
d
d
d
q
q
x
s
q
4TW27245-1
4TW27255-1
4TW27275-1
a
Electronic expansion valve, subcooling (Y2E)
b
Electronic expansion valve, main (Y1E)
c
Check valve
d
Filter
e
Fan
f
Fan motor (M1F, M2F)
g
Heat exchanger
h
Distributor
i
Pressure regulating valve
j
Accumulator
k
4-way valve, heat exchanger (Y3S)
l
Solenoid valve, main (Y1S)
m
High pressure sensor (SENPH)
n
Solenoid valve (Y2S)
o
Oil separator
p
High pressure switch
q
Capillary tube
r
Compressor (INV)
s
Compressor (STD1)
t
Compressor (STD2)
u
Low pressure sensor (SENPL)
v
Service port, refrigerant charge
w
Stop valve, liquid pipe
x
Stop valve, gas pipe
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