13
Electrical installation
Checks to ensure electrical safety should be carried out
by a competent person, ie. earth continuity, polarity and
resistance to earth.
Water circulation system
The whole of the system should be thoroughly flushed out
with cold water without the pump in position. Ensure that all
valves are open. With the pump fitted, the system should be
filled.
Vent all heat emitters and check for water soundness.
Commissioning the cooker and
boiler
Isolate electricity at the wall socket. Turn the cooker and
boiler control knob to off.
After ensuring gas is available to the appliance, loosen joint
and purge any air from the supply pipe.
n
WARNING: NO SMOKING OR NAKED LIGHTS.
Tighten joint and check gas service cocks are in the ON
position. Check for gas soundness up to the gas valves. (See
Fig. 1.14
)
Instruct the user
1.
Advise the User of the precautions necessary to prevent
damage to the heating system and to the building
in the event of the heating system being inoperative
during frost conditions.
2.
Advise the User for continued efficient and safe
operation of the appliance, it is important that
adequate servicing is carried out at regular 12 monthly
intervals.
3.
Hand the Operating Instructions to the User and
demonstrate the correct operation of the appliance and
system controls.
4.
Leave the Installation, Servicing and Operating
Instructions with the User.
5.
Gas Safety - Show the user the procedure for isolating
the appliance from the gas and electric supply. As
referred to in the Operating Instructions - Ref Gas Leak
or Appliance Fault.
Lighting the pilot
Boiler (see Fig. 1.14)
This appliance is fitted with an automatic ignition unit that
will light the main burner on demand. Should button
K
(see
Fig. 1.14
) be illuminated press button, this will allow the
burner ignition to continue, should the button illuminate
again this will indicate a fault on the boiler burner. Contact
your local Gas Safe Registered engineer to correct the fault.
Cooker (see Fig. 1.14).
Press in and hold the cooker flame failure override button
C
allowing a few seconds for the gas to reach the cooker pilot.
Press the piezo ignitor button
D
and the pilot burner will
light.
Continue to hold the button in for 15 seconds after the pilot
has been lit so that when the button is released, the pilot
should remain alight.
If it does not,
WAIT 3 MINUTES
then repeat the procedure.
Boiler output setting
480AG & 480AL REFER TO PAGE 3 ‘SPECIFICATIONS’.
The boiler side of the appliance is preset to give a maximum
heat output of 23.4 kW.
The multifunctional burner control valve can be reset to
decrease this output to 17.6kW.
To decrease the boiler output to 17.6kW connect the
pressure gauge to the burner test nipple
J
and turn on the
boiler burner.
Remove cap screw to expose pressure regulator adjustment
screw
H
.
Slowly turn adjustment screw with a small screwdriver until
the burner pressure required is recorded on the pressure
gauge. Turn adjustment screw counter-clockwise to decrease
or clockwise to increase gas pressure to the burner. See heat
output table below.
Replace pressure regulator cap screw
Boiler burner burner setting must be indicated by ticking
correct box at top of lighting instruction plate, on the inside
of the burner door.
MAX.
MIN.
HEAT OUTPUT
23.4 kW
17.6 kW
NAT. GAS
13mb
8mb
PROPANE
32.5mb
20.5mb
Commissioning
