Hitachi YUTAKI S80 Series Technical Catalogue page 111

9. Refrigerant and water piping
Piping size
DHWS-(195/260)S-2.0H1E
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Heating coil and DHW pipes (factory supplied)
The DHW tank is factory supplied with two water pipes (heating coil pipes) to connect with the indoor unit (to the T-branch
and to the 3-way valve) and other two (DHW pipes) for connection with the DHW installation.
Ø19.05
(3/4")
Ø19.05
(3/4")
N O T E
Please, refer to the Installation and operation manual of the Domestic hot water tank of YUTAKI S80
led informatio
111
TCGB0075 rev.0 - 11/2012
Heating coil
From indoor unit
Ø19.05 (3/4")
Heating coil pipes
Item
365mm
960mm
DHW pipes
Item
1045mm
960mm
From DHW insta-
To indoor unit
llation
Ø19.05 (3/4") Ø19.05 (3/4")
F a c t o r y - s u p p l i e d
with the indoor unit
Connection
Heating coil inlet pipe
For the connection between the 3-way valve water out-
let and the heating coil inlet.
Heating coil outlet pipe
For the connection between the T-branch water inlet
and the heating coil outlet.
Connection
DHW inlet pipe
For the connection between the DHW inlet con-
nection (cold water to the tank) and the DHW
installation.
DHW outlet pipe
For the connection between the DHW outlet con-
nection (hot water from the tank) and the DHW
installation.
(mm (inches))
DHW
To DHW installa-
tion
Ø19.05 (3/4")
for the detai-
9