Hitachi YUTAKI S80 Series - Page 111

9. Refrigerant and water piping
TCGB0075 rev.0 - 11/2012
111
9
Piping size
(mm (inches))
Heating coil DHW
From indoor unit To indoor unit
From DHW insta-
llation
To DHW installa-
tion
DHWS-(195/260)S-2.0H1E Ø19.05 (3/4”) Ø19.05 (3/4”) Ø19.05 (3/4”) Ø19.05 (3/4”)
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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.
Facto r y - s u p p l i ed
with the indoor unit
Heating coil pipes
Item Connection
365mm
960mm
Ø19.05
(3/4”)
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.
DHW pipes
Item Connection
Ø19.05
(3/4”)
960mm
1045mm
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.
N O T E
Please, refer to the Installation and operation manual of the Domestic hot water tank of YUTAKI S80 for the detai-
led informatio