Components; Components: Outdoor Unit; Components: Switch Box (Outdoor Unit); Components: Indoor Unit - Daikin Altherma ERLQ004-006-008CA Reference Manual

14 Technical data
14.4

Components

14.4.1

Components: Outdoor unit

l k a
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
14.4.3

Components: Indoor unit

h
m
s
r
l p
c
t
o
a Gas pipe connection Ø15.9 mm flare
b Liquid pipe connection Ø6.35 mm flare
c Pressure gauge
d Safety valve
e Drain valve water circuit
f Air purge
g Water IN connection (main/mixed zone) 1-1/4" BSP (female)
h Water OUT connection (main/mixed zone) 1-1/4" BSP (female)
i Water IN connection (additional/direct zone) 1-1/4" BSP (female)
j Water OUT connection (additional/direct zone) 1-1/4" BSP (female)
k Domestic hot water: cold water IN 3/4" F BSP
l Domestic hot water: cold water OUT 3/4" F BSP
m Control wiring intake Ø24 mm
Installer reference guide
74
b
c
d
e
f
g
h
i
j
j g i
n
n
ab ab ac ac
a b k
v
x
aa
u
o
3D094403-1A
l Heat exchanger
14.4.2

Components: Switch box (outdoor unit)

a
a Service PCB
b Terminal communication cable
c Terminal power supply cable
d Earth connection
e Wire clamp
n Power supply wiring intake Ø24 mm
o Levelling feet
p User interface (optional)
q Drain valve domestic hot water tank circuit
r Recirculation connection G 1/2" (female)
s Hole for the recirculation piping or options wiring Ø35 mm
t Drain outlet (unit+safety valve)
u Expansion vessel
v 3-way valve (space heating/domestic hot water)
w 3-way valve (mixing valve for the main zone)
x Water filter (additional/direct zone)
y Water filter (main/mixed zone)
f
z Pump (additional/direct zone)
y
aa Pump (main/mixed zone)
d
w
ab Shut-off valve
ac Shut-off valve with fill valve (included accessory)
z The additional zone is the temperature zone with the highest
temperature. The main zone is the temperature with the lowest
temperature.
e
q
o
b c
ERLQ004~008CA + EHVZ04+08S18CB
Daikin Altherma – Low temperature split
4P401676-1 – 2015.02
d
e