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11 Technical data
Installation manual
36
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620240-1 – 2020.06
11
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 Business Portal (authentication required).
11.1
Piping diagram: Outdoor unit
3D128954
R4T
R1T
R3T
R5T
R
4T
R
1T
R
3T
R
2T
M1C
S1PH
S1
PL
S1NPH
Y1E
Y3E
Y1S
a
c
d
f
j
i
g
h
l
k
s
q
o
r
m
n
p
u
u
e
m
t
b
*
**
B1PW
1N~
*
1N~
**
3N~
**
3N~
*
A
B
A
Hydro module
B1PW
Space heating water pressure sensor
B
Compressor module
M1C
Compressor
S1PH
High pressure switch
a
Water IN (screw connection, male, 1")
S1PL
Low pressure switch
b
Water OUT (screw connection, male, 1")
S1NPH
Pressure sensor
c
Drain valve (water circuit)
Y1E
Electronic expansion valve (main)
d
Plate heat exchanger
Y3E
Electronic expansion valve (injection)
e
Flow sensor
Y1S
Solenoid valve (4-way valve)
f
Expansion vessel
g
Safety valve
Thermistors (hydro module):
h
Manual air purge valve
R1T
Outlet water heat exchanger
i
Pump
R3T
Refrigerant liquid side
j
Connection for optional flow switch
R4T
Inlet water
k
Liquid stop valve with service port
l
Gas stop valve with service port
Thermistors (compressor module):
m
Filter
R1T
Outdoor air
n
Rectifier
R2T
Compressor discharge
o
Economiser
R3T
Compressor suction
p
Heat sink
R4T
Air heat exchanger
q
Distributor
R5T
Air heat exchanger, middle
r
Heat exchanger
s
Service port 5/16" flare
Refrigerant flow:
t
Accumulator
Heating
u
Muffler
Cooling
Connections:
Screw connection
Flare connection
Quick coupling
Brazed connection