INTRODUCTION

The THELIA 30 E boiler is a wall mounted combina-tion boiler providing central heating and instanta- neous hot water.The boiler is of the Domestic hot water demand always has priority over heating demand. The boiler is designed for use as part of a sealed water central heating system with fully pumped cir- culation. The pump, expansion vessel and associ- ated safety devices are all fitted within the boiler.The boiler can be installed against either an exter-nal wall or on an adjacent inside wall, that is, the flue system will pass directly to the rear or to either side to the terminal fitted on the outside wall face.The installation must be carried out by a compe-tent person in accordance with the relevant re- quirements of The Building Regulations, The Water Byelaws, The Building Standards (Scotland) Regu- lations and any applicable local regulations.These instructions should be carefully followed forthe safe and economical use of your boiler. II 2H3 category for use with Natu-ral Gas (G20) as distributed in the United Kingdom, or Butane (G30), Propane (G31) or Towns gas (G130).Boilers burning LPG or similar gases MUST NOT befitted in basements or below ground level.The boiler has a fan assisted balanced flue whichboth discharges the products of combustion to and draws the combustion air from the outside of the room. The boiler is suitable for top outlet flue connection only but, can be fitted with horizontal flue, vertical flue or twin-pipe flue. Refer to flue catalogue for further details.Both the central heating and domestic hot watertemperature are user adjustable from the boiler control panel. Ancillary equipment A range of flue accessories are available includ- ing vertical flues, twin-pipe flues, bends etc. For further information contact your supplier. Boiler controls The control panel, located at the lower front of theboiler casing, see diagram 1 , allows the boiler tobe started, shut down, controlled and monitored during use. Flue

COMMISSIONING

Do not obstruct the outside terminal of the boiler. Gas safety (Installation and Use) Regulations In your interests and that of gas safety, it is the lawthat ALL gas appliances are installed and servicedby a competent person in accordance with the above regulations. Gas leak or fault If a gas leak or fault exists or is suspected, turn the boiler off and consult the local gas supply com- pany or your installation/service company.

Diagram 1 A- Pressure gauge G - N/A on this model B- Temperature gauge H- Safety shutdown warning light C- Reset button I- Domestic hot water temperature control D- N/A on this model J- Heating temperature control E- Mains 'ON' warning light K- 'Summer/winter' selector F- Loss of water warning light L- N/A on this model

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