Instructions for Use

Overheat Safety Cutoff

If the cutoff operates on any other occasion than an electrical failure, press the reset button as stated in “Electrical Supply Failure”.

If the boiler fails to relight contact your installation/servicing company.

To Turn the Boiler On

Sealed Water Systems.

CAUTION A sealed water system must be filled and pressurised by a competent person.

Only light the boiler when you are sure that the system and boiler have been filled and pressurised.

The pressure gauge should show at least 0.7bar, anything less than this figure could indicate a leak and you MUST contact your installation/servicing company.

If there is any doubt about the boiler and system being full of water consult your installation/servicing company.

All Systems

Turn the electrical supply on to the boiler and check that any remote controls are set to your requirements (refer to manufacturer’s instructions for these items).

On demand, the orange light will come on.

Turn the left hand switch to “high” flame.

Turn the control thermostat knob, at the right, clockwise to any position between “MIN” and “MAX., see diagram 1. The maximum setting is about 82oC (180oF).

The boiler will not light between “O” and “MIN”.

The boiler lighting operation is now automatic as follows:

The fan operates, followed by an ignition spark until the burner lights on low flame after a short period it will go to high flame and the green light will come on.

The burner will remain alight until switched off by the control thermostat or other remote control.

If the control thermostat is turned “Off”, by hand, wait at least 30 seconds before turning on again.

When the boiler thermostat is satisfied the burner and green light will go out.

When the system controls are satisfied the burner, orange and green lights will go out.

The automatic lighting sequence will operate again when heat is required.

The “high/low” switch should be set to “high” for winter use, but when domestic hot water only is required in the summer it can be turned to “low”.

If no light comes on you should contact your installation/ servicing company, to check the controls, although the system may be working.

To Turn the Boiler Off

For short periods, turn thermostat control knob anti-clockwise until “O” is against the setting point. To relight the main burner, turn the thermostat knob clockwise to any setting between ”MIN” and “MAX”.

For longer periods, turn the thermostat control knob anti- clockwise until “O” is against the setting point and switch off the electrical supply to the boiler.

To relight follow the sequence given above.

Note: If the burner goes out for any reason, wait 30 seconds before relighting.

Condensation Pluming

Like all condensing boilers this appliance will produce a plume of condensation from the flue terminal in cool weather. This is due to the high efficiency and hence low flue gas temperature of the boiler.

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Glowworm Lighting 40 manual Overheat Safety Cutoff, To Turn the Boiler On, To Turn the Boiler Off, Condensation Pluming
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40 specifications

Glowworm Lighting 40 is a popular choice for homeowners seeking energy-efficient heating solutions. This compact, wall-mounted boiler is designed with modern technologies that ensure optimal performance and reliability.

One of the standout features of the Glowworm 40 is its impressive efficiency rating. With an energy efficiency of up to 94%, it significantly reduces energy waste, resulting in lower utility bills and a reduced carbon footprint. This is particularly beneficial for environmentally conscious individuals looking to minimize their impact on the planet while maintaining comfort in their homes.

The Glowworm Lighting 40 is equipped with a robust heat exchanger made from high-grade aluminum, which not only enhances heat transfer efficiency but also contributes to the boiler's lightweight design. This feature makes installation easier, allowing for a more flexible placement within the home.

The boiler operates quietly, which is a crucial characteristic for residential areas where noise can be a concern. Its intelligent controls allow users to manage heating temperatures efficiently through programmable timers, ensuring that warmth is delivered only when needed. This not only helps with comfort but also ensures that energy is conserved.

Moreover, the Glowworm Lighting 40 comes with a built-in frost protection feature, which is essential for preventing damage during colder months. This technology ensures that the system remains operational even in extreme conditions, providing peace of mind to homeowners.

Another significant advantage of the Glowworm Lighting 40 is its compatibility with renewable energy technologies. The system can be easily integrated with solar thermal panels, enhancing the overall efficiency of the heating system and aligning with sustainable living principles.

Maintaining the Glowworm Lighting 40 is straightforward, thanks to its accessible design. Regular servicing is uncomplicated, encouraging adherence to maintenance schedules and prolonging the lifespan of the unit. This user-friendly aspect is a crucial consideration for many homeowners.

In summary, the Glowworm Lighting 40 combines efficiency, user-friendly technology, and innovative design. Its high efficiency rating, lightweight structure, quiet operation, and compatibility with renewable energy sources make it a leading contender in the boiler market for those looking for both practicality and environmental consciousness in their heating solutions. Whether upgrading an existing system or installing a new boiler, the Glowworm Lighting 40 delivers on performance and reliability.
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