20
4000123942-2
Diagram 9.1
11581
9 Boiler Installation
9.1 Sheet metal parts
WARNING: When installing or servicing this boiler, care
should be taken when handling the edges of sheet metal parts
to avoid the possibility of personal injury.
9.2 Installing the boiler
IMPORTANT NOTE: The system must be thoroughly flushed
using a propriety cleanser from Fernox or Sentinel to eliminate
any foreign matter and contamination e.g. metal filings, solder
particles, oil, grease etc.
Solvent products could cause damage to the system.
• Remove front panel, unscrew and remove the two retaining
screws from the bottom of the front panel. Remove front panel
by lifting up and forward.
• Remove the self adhesive wiring diagram label from the
document envelope. Fit the self adhesive wiring diagram label
to the inside of the front panel, put front panel in a safe place
to avoid damaging it.
DISCHARGE
SAFETY VALVE
PIPE
KNURLED
UNION NUT
finger tighten only
Diagram 9.2
10088
FILLING LOOP
EXTENSION
FILLING DEVICE
24ci Only
• Ensure the plastic plugs are removed from water and gas
pipes. NOTE: There will be some spillage of water.
• (24ci Only) Fit the cold water inlet restrictor (supplied in the
document envelope) into cold water inlet isolating valve, see
diagram 7.1.
Important Note. With regards to the manual handling
operations, 1992 regulations, the following operation exceeds
the recommended weight for one man lift.
• Lift the boiler up and engage boiler onto the hanging bracket,
refer to diagram 7.1.
• Fit the boiler jig connection pipes and washers between the
boiler and isolating valves, see diagram 7.1.
9.3 Discharge safety valve (diagram 9.1)
The discharge safety valve pipe and sealing washer supplied
in the connections pack, when fitted to the safety valve, will
extend the valve below the boiler. The discharge pipe must be
extended using pipe not less than 15 mm o.d. to discharge in
a visible position outside the building, facing downward
preferably over a drain.
IMPORTANT NOTE: To facilitate servicing of the appliance,
the discharge pipe MUST ONLY be extended using a
compression fitting supplied.
The pipe must have a continuous fall and be routed to a
position so that any discharge of water, possibly boiling or
steam, cannot create any danger to persons, damage to
property or external electrical components and wiring. Tighten
all pipe connection joints.
9.4 Filling loop extension 24ci Only
The filling loop extension knob is supplied in the discharge
safety valve pipe connection pack. Fit to the filling device on/
off knob, this is a push fit, see diagram 9.2.
9.5 Filling loop extension knob 18si
The filling loop extension is not required for this boiler, it can be
discarded.
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