Boiler Installation - Potterton WH 46 Installation, Operation And Maintenance Manual

To avoid damaging metal, plastic and rubber parts, use only neutral cleaners, i.e. non-acid and non
alkaline. The recommended products for cleaning are:
SENTINEL X300 or X400 and FERNOX heating circuit restore. Please ensure to use this product
proceeding strictly in accordance with the manufacturers instructions. Finally fill the system with the
correct strength of central heating inhibitor.
2.2. Existing system
Before proceeding with installation of the boiler, the system must be cleaned and flushed out to remove
sludge and contaminants, using suitable proprietary products as described in section 2.1.
To avoid damaging metal, plastic and rubber parts, use only neutral cleaners, i.e. non-acid and non-
alkaline such us SENTINEL X100 and FERNOX heating circuit protective. To use this product proceeding
strictly in accordance with the maker's directions.
Remember that the presence of foreign matter in the heating system can adversely affect the operation
of the boiler (e.g. overheating and noisy operation of the heat exchanger). Dose with inhibitor.
Failure to observe the above will render the guarantee null and
Decide upon the boiler location, then tape the template on the wall.
Connect the pipework to the gas and water inlets prearranged on the template lower bar.
If you are either installing the boiler on a pre-existing system or replacing it, we suggest you also fit strainers
on the system return pipework to the boiler to collect the deposits and scaling which may remain and be
circulated in the system after the initial filling.
When the boiler is fixed on the template connect the flue and air ducts (fittings supplied by the manufacturer)
according to the instructions given in the following relevant sections.
Connect the condensate outlet to the siphon supplied with the boiler. Connect the siphon to a drain, making
sure there is a continuous slope. Horizontal sections must be avoided.
DRILL HOLES WITH A Ø12 BIT, FIT THE MASONRY
PLUGS AND THE SCREWS PROVIDED
N.B. INCLUDE CONDENSATE DRAIN POINT
Figure 5
INSTRUCTIONS PERTAINING TO THE INSTALLER

10. BOILER INSTALLATION

BOILER WIDTH 600
void.
MR: G 1" heating flow
GAS: G 3/4" gas inlet to the boiler
RR: G 1" heating return
SC: condensation drain 22 mm
12
926.772.1 - GB/IE