Daikin ERLQ004~008CAV3, Справочное руководство

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15 Technical data
Installer reference guide
80
ERLQ004~0 EHVH/X04+0 EHVH/X08S26CA
Daikin Altherma - Low Temperature Split
4P313775-1C – 2012.11
15.3 Components
15.3.1 Components: Outdoor unit
b
c
d
e
f
j
h
i
g
a l k
a Switch box main PCB (inverter and control PCB)
b Terminal communication and power supply
c Service PCB
d 4-way valve
e Electronic expansion valve (main)
f Accumulator
g Compressor
h Liquid stop valve
i Gas stop valve
j Service port
k Fan motor
l Heat exchanger
15.3.2 Components: Switch box (outdoor unit)
a c
d
e
b
a Service PCB
b Terminal communication cable
c Terminal power supply cable
d Earth connection
e Wire clamp
15.3.3 Components: Indoor unit
h
f
e
a
c
d
k
b
b
g
y
v
s
l
m
j
r
u
w
x
i
dd
n
p (180 l)
n
q
o
n
t
n
p (260 l)
o
z
z
y
i
x
aa
bb
cc
a Space heating cooling out
b Shut-off valves (accessory)
Allows isolation of the indoor unit water circuit side from the
residential water circuit side.
c Domestic hot water out
d Refrigerant liquid connection R410A
e Refrigerant gas connection R410A
f Domestic hot water in
g Fill valve (accessory)
h Space heating cooling in
i Expansion vessel (10 l)
j Pressure relief valve
Prevents excessive water pressure in the water circuit by
opening at 3 bar.
k Water filter
Removes dirt from the water to prevent damage to the pump or
blockage of the heat exchanger.
l Heat exchanger
m Water pump
Circulates the water in the water circuit.
n Thermistors
Determines the water and refrigerant temperature at various
points in the circuit.
o Drain caps
p Tank thermistors (180 l/260 l)
q Domestic hot water tank drain valve
Empties the full tank.
r Switch box
Contains the main electronic and electrical parts of the indoor
unit.
s Backup heater thermal protector
The protector activates when the temperature of the backup
heater becomes too high.
t Drain collector (EHVX models only)
u Drain gutter (EHVX models only)