9 Technical data
Installation and operation manual
24
EWAQ016~064CAW + EWYQ016~064CAW
Packaged air-cooled water chiller
4P489435-1B – 2017.10
Piping diagram: Hydro module
d+f
d+e c i
m
p n
l
o
m j a
b
b
b
b
R11T R14T
R12T R13T
A B
C
EWAQ*P*, EWYQ*P*,
EWAQ*H*, EWYQ*H*
EWAQ*N*,
EWYQ*N*,
h
gk g
D
E
a Air purge valve
b Temperature sensors (R11T, R12T, R13T, R14T)
c Expansion vessel (12 l)
d Shut-off valve (field installed)
e Water inlet connection
f Water outlet connection
g Drain port
h Water filter
i Pressure gauge
j Flow switch
k Pump
l Safety valve
m Check valve
n Electronic expansion valve
o Heat exchanger
p Filter
A Water side
B Refrigerant side
C Only for models with a pump
D Refrigerant flow in cooling mode
E Refrigerant flow in heating mode
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