Operating instructions

9
Rated heating output
kW
Dim. a
mm
3.2 - 19.0 136
6.5 - 26.0 158
8.8 - 35.0 158
Note
This boiler (IP rating: IP X4D) is
approved for installation in wet rooms
inside safety zone 1 in accordance with
IEEE Wiring Regulations, providing the
occurrence of hosed water can be ruled
out.
Observe the IEEE Wiring Regulations.
1. Fit the supplied pre-plumbing jig or
mounting frame at the installation
location.
Pre-plumbing jig or mounting
frame installation instruc-
tions.
2. Prepare the connections on the water
side to the valves on the pre-plumb-
ing jig or mounting frame.
Thoroughly flush the heating sys-
tem.
3. Prepare the gas connection accord-
ing to TRGI or TRF [or local regula-
tions].
4. Prepare the electrical connections.
■
Power cable: NYM-J 3 x 1.5 mm
2
,
fuse max. 16 A, 230 V, 50 Hz.
■ Accessory cables: NYM with the
required number of conductors for
the external connections.
■ All cables should protrude
1200 mm from the wall near "
G
".
Cold water installation
A
Cold water connection, boiler
B
Drain
C
Visible discharge pipe outlet point
D
Safety valve
E
Non-return valve
F
Shut-off valve
G
Cold water
H
Safety assembly
Safety assembly
H
must be installed as
per the Water Regulation Guide if the
mains water supply pressure exceeds
10 bar, and no DHW pressure reducing
valve is installed.
Only use a non-return valve or a com-
bined shut-off and non-return valve in
conjunction with a safety valve.
If the safety valve is used, the cold water
shut-off valve on the boiler must not be
shut off.
Preparing for installation
Preparing for installation
(cont.)
5772 909 GB
Installation