Glow-worm Flexicom 18sx User Manual

40
DRAIN POINTS
A
B
A
PRESSURE
TEST POINT
A - Central Heating Isolation Valve
B - Gas Service Isolation Valve
12 Commissioning
13944
Diagram 12.2
JIG BLANKING
PLUGS
13074
Diagram 12.1
12.2 Filling the System and Boiler
1. Open the two central heating isolating valves marked ‘A’
so that the slots are in line with the length of the valve
(shown closed in diagram 12.2).
2. Turn the mains electricity supply on to the appliance.
Refer to diagram 12.3.
Set the Central Heating temperature to OFF by pressing
the MODE button on the User Interface until it shows
the symbol
°C
bar
and then pressing the - (minus)
SELECTOR button.
The display will now permanently show system pressure.
3. Pressurise the system until the pressure on the display
reads at least 1.0bar.
4. Vent all air from the system - repeat step 3 as necessary
until the system is full and all the air has been removed.
5. After lling is complete set the Central Heating temperature
to the desired level using the MODE and + (plus)
SELECTOR buttons as described above.
12.3 Gas Supply
The gas valve is factory set for natural gas (G20) and should
need no adjustment. Turn on the gas supply at the isolation
valve, see diagram 12.2. Check the supply pressure at the
pressure test point is 20mbar.
Commissioning should be carried out by a competent
person approved at the time by the Health and Safety
Executive
12.4 Initial Lighting
NOTE: The combustion for this appliance has been
checked, adjusted and preset at the factory for operation
on natural gas (G20) as dened on the appliance data
label.
No measurement of the combustion is necessary.
Having checked :
● the appliance has been installed in accordance with the
instructions.
● the integrity of the ue system and ue seals.
● the integrity of the appliance combustion circuit and
relevant seals.
● that all internal/external controls are calling for heat.
● the gas service isolation valve 12.2, is open.
DO NOT operate the boiler without water.
Check that all external controls are calling for heat.
The lighting procedure of the boiler is fully automated.
The digital display will show water temperature in central
heating demand.
● Set the Central heating temperature to the desired
temperature by using the MODE and + (plus) or - (minus)
SELECTOR buttons.
● The appliance will then continue to re in central heating
mode until the user controls are satised.

Glow-worm Flexicom 18sx Specifications

General

Brand	Glow-worm
Model	Flexicom 18sx
Category	Boiler
Language	English