14 Technical Data; Components And Dimensions: Indoor Unit - Daikin Altherma EHVH08SU18CB6W Installer's Reference Manual

14 Technical data

14 Technical data
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14.1

Components and dimensions: Indoor unit

EHVH_SU18 (dimensions in mm)
EKVSU180*
28
t
cc
60
x
y
a Gas pipe connection (Ø15.9 mm flare)
b Liquid pipe connection (Ø6.4 mm flare)
c Manometer
d Safety valve
e Drain valve water circuit
f Air purge
g Shut-off valve with drain/fill valve (delivered as accessory)
h Water filter
i Space heating water IN (1-1/4" F BSP)
j Space heating water OUT (1-1/4" F BSP)
k Domestic hot water: cold water IN (3/4" M BSP)
l Domestic hot water: hot water OUT (3/4" F BSP)
m Low voltage wiring intake (Ø24 mm)
n High voltage wiring intake (power supply + control signal)
(Ø24 mm)
o Levelling feet
p User interface (option kit)
q Drain valve domestic hot water tank circuit
Installer reference guide
86
346 49
307
251 275
151
20
m
s
408
600
l a b k
p
c
w
o o
Components in domestic hot water tank kit (EKVSU180A):
n
r
v
bb
dd
g j f
h
u
o
3D106601-1
r Recirculation connection (G 1/2" female)
s Hole for the recirculation piping or options wiring (Ø35 mm)
t Drain outlet
u Expansion vessel (10 l with a factory-set pre-pressure of
1 bar)
v 3-way valve
w Pressure relief valve (15 mm male; factory-fitted;
replacement part number = 302810P)
x Tundish (22-15 mm)
y Discharge to a trapped gully, below a fixed grating
aa Pressure reducing valve (22-22 mm)
bb Pressure relief valve (15 mm)
cc Tundish (22-15 mm)
dd Expansion vessels (5 l + 5 l with a factory-set pre-pressure
of 2.5 bar)
ERLQ004~008CA + EHVH04+08SU18+26CB6W
Daikin Altherma – Low temperature split
aa
dd
i g
d
e
q
4P449978-1B – 2018.07