Commission The System And The Boiler - Potterton Kingfisher Mf Installation & Service Instructions Manual

3.1 Commission the System &
Boiler
Commission the system
1. Remove the pump.
The system must be flushed in accordance
with BS 7593 and the flushing agent
manufacturers instructions, further guidance
can be obtained from BS 5449 Section 5.
2. Re-fit the pump.
3. Fill and vent the system then check for leaks.
On Sealed Systems fill until the pressure
gauge registers 1.5 bar.
4. Ensure that the preliminary electrical safety
checks in Section 2.5 have been carried out.
5. Turn the gas supply on and purge according
to; in GB BS 6891 and in IE the current
edition of I.S. 813 "Domestic Gas
Installations".
6. Test for gas soundness.
Commission the boiler
1. On Gravity DHW systems check that the
overheat thermostat is fitted correctly.
See Fig. 19, page 19.
2. Re-fit the front cover, plinth, top cover and
controls panel (see Fig. 24, page 26).
3. Set the rotary boiler control on the user
controls to 'O' Stand-by.
4. Turn the boiler gas service cock to the 'On'
position and ensure that the main gas supply
is turned 'On'.
5. Ensure that the main electricity supply is
'On'.
6. Check that the programmer, if fitted, is in an
'On' position and calling for heat. Check that
the room and cylinder thermostats, where
fitted are set to high temperatures.
7. Set the rotary boiler control to its maximum
setting and the boiler will attempt to light.
8. The fan will be energised and after a short
period the automatic spark will light the pilot.
When the pilot flame is established the main
burner will ignite and the Green 'Flame' led
on the control panel will illuminate.
Publication No. 5102977
Note: On initial lighting, pilot ignition may be
delayed due to the presence of air in the gas
supply.
9. With the burner running, check for gas
soundness using leak detection fluid.
10. CFL Models Only
Carry out a spillage/flue pull test as follows:
Loosen the screw securing the Products
Discharge Safety Device (TTB) and swing it
away from the flue gas sampling opening,
(see Fig. 24). After operating the appliance
for 5 minutes take a lighted smoke match and
hold it at the entry of the opening. The
majority of the smoke should be drawn into
the flue.
If spillage is indicated, the appliance can be
left running for a further 10 minutes and the
test repeated.
If it fails the second test further investigation
must be carried out and the fault rectified.
IMPORTANT: Ensure the Products
Discharge Safety Device (TTB) is
repositioned correctly, after the test and
secured to the dimension shown in Fig.
28.
10. RSL Models Only
Allow the boiler to run for 10 minutes.
11. Check the inlet and burner pressures. See
the Data Badge for figures.
Check that the inlet pressure is 20mbar with
the boiler running.
Check that the burner pressure is in
accordance with the information on the boiler
data badge.
If burner pressure adjustment is required,
turn the pressure adjusting screw anti-
clockwise to increase pressure or clockwise
to decrease.
11. Check at the gas meter that the gas rate is
correct.
12. Set the rotary boiler control to 'O' Standby
and check that the main burner shuts down.
13. Remove the manometer, re- fit the screw and
check for gas soundness.
Commissioning 23