Flexible Water Pipes Considerations - Hitachi YUTAKI S80 Series Installation And Operation Manual
Domestic hot water tank
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Also See for YUTAKI S80 Series:
- Technical catalogue (158 pages) ,
- Instruction manual (46 pages) ,
- Instruction and operation manual (194 pages)
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INSTALLATION
Factory-supplied domestic hot water tank
components
Accessory
Image
Flexible water
pipe (3/4")
Flexible water
pipe (3/4")
Bolts M10
Gasket
Wall fixing
accessory
Installation
manual
Declaration of
-
conformity
N O T E
•
The previous accessories are supplied inside the DHW tank,
and are accessible removing the tank lower front cover.
•
If some of these accessories are not packed with the tank
or any damage to the tank is detected, please contact your
dealer.
DHW tank main parts (Descriptions)
No.
Part
1
Tank upper front cover
2
Tank lower front cover
3
Tank left cover
4
Tank right cover
5
Tank upper cover
6
Tank back cover
7
User's interface service cover
8
LCD user's interface
9
Pressure gauge
24
Qty.
Purpose
Heating coil pipes (For con-
2
nection between indoor unit
and domestic hot water tank)
DHW pipes (For tank and
2
DHW connection)
For fixing between indoor unit
4
and DHW tank
Two gasket for each flexible
water pipe.
8+1
One additional as spare part
For fixing the DHW tank to the
2
wall.
Installation and operation unit
1
instructions
1
-
3
1
8
2
PMML0291A rev.2 - 09/2014
7.1.2 Flexible water pipes considerations
Process for water pipes connection (to avoid water leakage).
1 Put a gasket inside the nut.
a)
nut
2 Check that the nut turn free.
3 Be sure that the tube is aligned with the connection.
4 IMPORTANT! Be sure that the gasket is in contact and is
seating uniformly with the connection.
5 By hand rotates smoothly the nut and screw it into the connec-
tion. The screwing by hand not have to offer much resistance,
so if this happen, loosens the nut and check that the water
tube and the gasket position are correct and proceed again
with point 3 and 4.
6 With a spanner finishes the screwing of the nut insuring the
sealing but without damaging the gasket.
N O T E
•
There's one spare gasket for the DHW connections.
•
Be careful with the flexible water pipes insulation protection.
Sharp edges of the units could damage it when installing the
pipes.
C A U T I O N
5
•
Always bend the water tubes with a radius > 90 mm.
6
4
•
The tube will not spring back.
9
•
Don't install the stainless steel tube in a twisted position.
•
Don't bend these stainless steel tube more often than re-
7
quired to avoid breaking it.
b)
Gasket
c)
R > 90 mm
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