Boiler Installation; Boiler Size - Chappee 1.45 FF HTE Installers And Users Instructions

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).
Failure to observe the above will render the guarantee null and

10. Boiler installation

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-existent system or substituting it, we suggest you also
fit settling tanks on the system return pipework and under the boiler to collect the deposits and scaling
which may remain and be circulated in the system after the purge.
When the boiler is fixed on the template connect the flue and air ducts (fittings supplied by the ma-
nufacturer) according to the instructions given in the following 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.
The boiler unit is fitted for connection to an external boiler. For this purpose, unscrew the two plugs
on the heating system delivery/return fittings if a hydraulic separator is not used (see fig. 12).
Figure 5

11. Boiler size

TEMPLATES FIXING POINTS
DRILL HOLES WITH A Ø12 BIT
BOILER TEMPLATE
N.B. INCLUDE CONDENSATE DRAIN POINT
BOILER WIDTH 600
Figure 6
MR: G 1" heating flow
GAS: G 3/4" gas inlet to the boiler
RR: G 1" heating return
SC: condensation drain
12
void.