HAMWORTHY HEATING LTD
WARMWELL
500001091/F
incorporates a socket which matches the gas valve
wiring plug. Care must be taken to ensure both plug
and gland plate are correctly located and fixed in
position by the screws provided.
4)
A 45° flue elbow (not HHL supply) may be located
in the flue spigot at the rear of the boiler. This elbow
can be rotated to give vertical or horizontal flue
discharge. Ensure the flue pipework is adequately
sealed against condense leakage. In condensing mode
the flue gases are saturated and will contain slightly
acidic water which must be channelled into drains and
not allowed to drip from seams.
The condensing section may be despatched
separately, if required, and can be site assembled onto
the cast iron heat exchanger on site. Figure 10.6 (p20)
shows method of assembly.
Care must be taken in order not to damage the copper
tubes or fan assembly during erection.
All the necessary cabling and pressure sensing tubes
are supplied ready to attach to the controls housing
when fitted. Please follow assembly instructions
regarding these attachments, as incorrect connection
will result in commissioning problems at a later stage.
See Figure 11.5 (p28) for further details.
10.2 Heat Exchanger Insulation Fitting Instructions
10.2.1 Primary Heat Exchanger Insulation
With reference to Figure 10.2.1a - Unfold blanket and
offer up to the boiler as shown. Ensure gas pipe cutout
is positioned to the left and that the ‘petals’ are
uppermost. Sit the insulation blanket onto the basket
ensuring a snug fit.
Note:
For correct operation of the sequencing
interface module a number of wire links
MUST
be
removed from the boiler main PCB - refer to
Section 11.5
clause 8) (p27) for details.
10.0
BOILER ASSEMBLY AND INSTALLATION
10.1
General
Each boiler is despatched to site as follows: -
1)
Heat exchanger & basket including burners
and gas valve(s) etc. on a pallet.
2)
Casing complete with assembly instructions.
3)
Control panel assembly.
4)
Condensing section assembly (fitted to item 2).
Further details of each individual assembly are given
below: -
1)
Factory tested heat exchanger casting assembly
complete, including insulation wrap, gas valve
assembly including pre-wired plug assembly. The gas
connection pipe & insulation wrap are supplied
separately and should be fitted to the boiler as shown.
THE GAS PIPE
MUST NOT
BE USED TO
MANOEUVRE OR POSITION THE BOILER.
NOTE!
Consideration must be given to the weight of
the boiler (See Figure 2.1 p3), before lifting. It is
recommended that the boiler is moved complete with
pallet and positioned correctly. The pallet can then be
dismantled and the boiler slid into position.
2)
Casing including all screws, fasteners etc. to permit
site assembly. Instructions are included in each box to
show method of assembly. Two sizes are
manufactured: small casing for the 60 and 95 boilers
and large casing for the 140 boiler.
The condensing section casing is supplied separately.
See assembly instructions in
Section 10.7
(p19).
NOTE!
When installing a multi-casing set the spacing
plates must be used to correctly space the boilers
approx. 3mm apart prior to fitting the casing. (See label
attached to the basket fixing.)
It is recommended that all mechanical work is carried
out prior to fitting the casing assembly, this will reduce
possible damage to the panels.
The casing assembly includes a component list, which is
also shown in Figure 10.7 (p22/23). You should check
to ensure that all parts are supplied prior to assembly.
3)
Control panel assembly including fascia bezel and
exhaust fan control panel with pressure switches.
These assemblies will be suited to the desired controls
variant and include any optional extras required. Refer
to Figure 10.7 (p22/23) for fitting instructions. Ensure all
thermostat capillaries are inserted and correctly located
into the top of the boiler. The controls assembly also
Figure 10.2.1a
16
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