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Piping installation
Installer reference guide
70
EPRA14~W1 + ET9W
Daikin Altherma 3 H HT F
4P587503-1A – 2020.01
c
a
b
b
d
1
2
a
Water OUT (screw connection, male, 1")
b
Water IN (screw connection, male, 1")
c
Shut-off valve with integrated filter (delivered as accessory)(2× screw connection, female, 1")
d
Thread sealant
2
Connect the field piping to the shut-off valve.
3
Connect the field piping to the outdoor unit water outlet.
NOTICE
About the shut-off valve with integrated filter (delivered as accessory):
▪
The installation of the valve at the water inlet is mandatory.
▪
Mind the flow direction of the valve.
NOTICE
Install air purge valves at all local high points.
Indoor unit
1
Connect the O-rings and shut-off valves to the outdoor unit water connection
pipes of the indoor unit.
2
Connect the outdoor unit field piping to the shut-off valves.
3
Connect the O-rings and shut-off valves to the space heating/cooling water
pipes of both zones of the indoor unit.
4
Connect the space heating/cooling field piping of both zones to the shut-off
valves.
5
Connect the domestic hot water in and out pipes to the indoor unit.
d
c
b
a
e
f
h
g
a
Space heating additional zone water OUT (screw connection, 1")
b
Space heating additional zone water IN (screw connection, 1")
c
Domestic hot water OUT (screw connection, 3/4")
d
Domestic cold water IN (cold water supply)(screw connection, 3/4")
e
Outdoor unit water OUT (screw connection, 1")
f
Outdoor unit water IN (screw connection, 1")
Summary of Contents for Altherma 3 H HT EPRA18DAW1
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