5 Installation
8
Installation and maintenance instructions uniSTOR 0020235300_03
4.6
Minimum clearances and installation
clearances
C
A
B
B
E
D
Refer-
ence
point
VIH RW GB 500 BES VIH RW GB 800 BES
A
25 mm
25 mm
B
25 mm
25 mm
C
500 mm
500 mm
D
n/a
500 mm
E
25 mm
25 mm
5
Installation
5.1
Installing the product
▶
Align the product horizontally.
5.2
Hydraulic connection
Caution.
Risk of damage caused by heat transfer
when welding.
The heat that is transferred during welding
may damage the cylinder and its components
as well as the connection seals.
▶
Protect the product and its components.
▶
Do not weld the connection pieces if these
have been screwed into the pipe fittings.
Caution.
Risk of material damage by drilling
through the product.
The product may be damaged by drilling
work.
▶
Do not drill through the product.
Caution.
Risk of material damage to the cylinder.
If an unvented hot water cylinder is fitted at
a high level (eg, loft space), potential dam-
age to the cylinder may occur if the correct
method of draining is not followed.
▶
In certain circumstances and at the dis-
cretion of the installer, install a WRAS ap-
proved automatic air vent on the hot water
outlet at the highest point.
O
N
O
N
O
FF
O
FF
O
N
O
N
O
FF
O
FF
ON ON
OFF OFF
ON ON
OFF OFF
1
2
4
3
6
7
9
8
10
11
12
15
13
14
17
18
16
19
20
21
22
23
5
1
Cylinder draining point
2
Drain valve system
(Not included in the
scope of delivery for the
product)
3
Inspection opening
(Only 800 l)
4
Expansion vessel
(Available as an ac-
cessory)
5
Secondary return pump
(Not included in the
scope of delivery for the
product)
6
Tundish
7
Safety group
(Available as an ac-
cessory)
8
Cold water with equal
pressure
9
Safety assembly, only
2", supplied with addi-
tional manometer
(Available as an ac-
cessory)
10
Fixed lifting eye
Manual air vent behind
it
11
Optional connection
method
–
3-port motor-
ised valve
(Not included in the
scope of delivery for the
product)
12
Heating circuit heating
flow
13
Hot water outlet
14
Temperature and pres-
sure expansion relief
valve
15
Heat generator heating
flow
16
Cylinder heating inlet
17
Connecting the second-
ary circuit
(Not included in the
scope of delivery for the
product)
18
Temperature sensor
Summary of Contents for uniSTOR VIH SW GB 500 BES
Page 23: ......
