5 Installation
8
Installation and maintenance instructions uniSTOR HP 0020221303_02
4.6
Product dimensions, standard diameter
Validity:
VIH RW GB 200 BES
OR VIH RW GB 250 BES
OR VIH RW GB 300 BES
Ø 595
641
265
154
90°
694
A
C
B
D
Dimensions (mm)
A
B
C
D
VIH RW GB
200 BES
1,265
940
675
470
VIH RW GB
250 BES
1,535
1,210
865
565
VIH RW GB
300 BES
1,745
1,420
865
565
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.
