0020145065_01 - 09/12 - Glow-worm
11 Commissioning
i
IMPORTANT:
At the time of commissioning, complete all relevant
sections of the Benchmark Checklist located in the centre
pages of this document.
The commissioning should be carried out by a competent person
approved at the time by the Health and Safety Executive and in
accordance with the current issue of BS6798.
11.1 Switchingon
• Do not operate the boiler without water.
• Make sure that the system has been thoroughly ushed out with
cold water and that all cleanser if used has been removed.
• With the gas service isolation valve closed, with no demand
from any external controls and the power supply to the boiler
switched o.
• Test for gas tightness and purge air from the gas supply.
• Switch on the power supply to the appliance.
• Make sure that the domestic hot water and heating functions
on your appliance are not activated.
11.2 Filling the CH system (Central heating)
• Make sure that the installation's cold water inlet isolating valve is
open.
• Open the isolating valves located on the connections: they must
be positioned in the direction of the ow.
1
Key
1 Air vent
2 Pump
3 Screwforthepumpshaft
• Open the plug on the air vent located on the pump and
automatic air vents on the installation.
If the (CH.) pressure falls below 0.4 bar, the display will ash the
current pressure and the boiler will not operate. To increase the
pressure, the CH circuit requires " Topping up".
i
IMPORTANT:
When turning the 230Vac supply on to the boiler should
the water pressure be less than 0.5 bar an automatic air
vent function will be activated for a period of 5 minutes.
During this time the pressure should be increased and
air vented from the system. Note that the burner will not
re in either the CH or DHW mode and the display will
blink displaying the current water pressure.
• Vent air from each radiator until the water ows normally, then
close the vents.
• Leave the pump's air vent open.
i
IMPORTANT:
The following two operations will unblock the pump's
engine after a prolonged storage period and will purge
the air from the pumps circuit.
• Remove the screw from the pump shaft and introduce a at
screwdriver. A trickle of water, under no pressure should
normally come out of the pump.
• Rotate the pump's shaft through several turns, then replace
the screw.
11.3 Filling DHW Circuit
• Open the various hot water taps to ll the DHW circuit.
11.4 Filling the Condensate Trap
C
B
A
1
1
2
Key
1 Filling trap
2 Condensate trap
• Fill the trap with water (1).
• Activate the Heating and Domestic Hot Water functions.
INSTALLATION
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