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Zeus Mini Instructions
IMMERGAS ZEUS MINI
Instruction Booklet
Wall Mounted, Room Sealed, Gas Fired
Combination Boiler with Unvented Hot Water
Storage
Read these instructions completely before using or installing the Immergas Zeus Mini gas
boiler
LEAVE THESE INSTRUCTIONS WITH THE USER
For Technical assistance, spare parts or for Service call:
RVR Limited, Kenmare, Co. Kerry Tel: 064 41344, Fax: 064 89520
Doc. Ref.: ALT104/181207
Page
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Table of Contents
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Summary of Contents for RVR Energy Technology Immergas Zeus Mini
- Page 1 Wall Mounted, Room Sealed, Gas Fired Combination Boiler with Unvented Hot Water Storage Read these instructions completely before using or installing the Immergas Zeus Mini gas boiler LEAVE THESE INSTRUCTIONS WITH THE USER For Technical assistance, spare parts or for Service call: RVR Limited, Kenmare, Co.
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Page 2: Using The Boiler
Zeus Mini Instructions Introduction The Immergas Zeus Mini boiler is a wall mounted, fan assisted room-sealed combination boiler, incorporat- ing a 45 litre unvented hot water storage cylinder. Heat output is controlled by a modulating gas valve, with fully automatic direct burner ignition. - Page 3 Zeus Mini Instructions PERFORMANCE: Nominal Heat Input 25.6 Min. Heat Input 11.0 Nominal Heat Output (useful) 23.3 Min. Heat Output GAS: Nozzle diam. 0.77 0.77 Supply Pressure mbar HEATING SYSTEM Burner Pressure (Nom Output) 11.1 28.3 36.6 mbar Gas Rate m³/h/kg/h 2.01 1.98...
- Page 4 Zeus Mini Instructions Main Boiler Components 1 – Negative pressure test point 14- Motorized 3 way valve 2 – Positive pressure test point 15- Filling valve 3 – Test opening A=air F=flue 16- Expansion vessel 4 – Air pressure switch 17- D.H.W.
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Page 5: General Installation Information
Zeus Mini Instructions General Installation Information Gas Supply The meter and supply pipes must be sized to deliver the gas rate and pressure given on page 3. boiler requires at least a 22 mm (3/4”) gas supply pipe. The complete installation, including the meter, must be tested for gas soundness and purged as described in IS 813:2002. - Page 6 41 straight vertical metres. To prevent condensation problems, the exhaust pipe should not be more than 5 m long. Advice on prevention of condensa- tion is available from RVR Limited. Please contact us when designing longer flue systems. Separated 80/80 insulated flue kit Both pipes have a working diameter of 80 mm.
- Page 7 Zeus Mini Instructions Flue calculations for more complex systems Each component of the air inlet/flue system has a resistance factor . These are given in the following tables. The resistance factor varies depending on whether the component in question is conveys fresh inlet air or hot combustion gases.
- Page 8 Zeus Mini Instructions Example: Flue system consists of 9m of 80mm air intake pipe with 3 x 90 bends and 6m of exhaust pipe with 2 x 90 bends. Component Resistances: Component Resistance Quantity Total In this case the total resistance of the system is less than 100.
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Page 9: Boiler Location
Zeus Mini Instructions Terminal Position Min. Distance A Directly below an opening, air brick, windows, etc. 300 mm B Below gutters, soil pipes or drain pipes 75mm C Below eaves 75mm D Below balconies or car port roof 75mm E From a vertical drain pipe of soil pipe 75mm F From an internal or external corner 75mm... -
Page 10: Central Heating System
Zeus Mini Instructions Central Heating System The boiler is designed for use in a sealed central heating system. The system should be designed to oper- ate with flow temperatures of up to 80°C. When designing the system, the pump head, expansion vessel size, mean radiator temperature, etc. -
Page 11: Filling The Central Heating System
The heating system should be thoroughly flushed before the boiler is connected and again after the first heating. If it is necessary to add inhibitor to the central heating system, contact RVR Ltd. for guidance. Page 11... -
Page 12: Domestic Hot Water System
The installation is subject to Building Regulations and the Water Bye Laws of the Local Authority. The Immergas Zeus Mini boiler is supplied with all the components required for a safe and efficient un- vented hot water system. An air cushion which is present at the top of the 45l storage vessel provides suffi- cient expansion for the domestic hot water system. - Page 13 Zeus Mini Instructions Tundish installation The discharge pipework from the tundish:- 1. Shall fall continuously through its length. 2. Shall be of a heat resistant material, e.g. metal. 3. Shall not be fitted with any valves or taps. 4. Shall discharge to a safe visible position, e.g. onto the surface of an external wall or into a gulley. 5.
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Page 14: Electrical Safety
Zeus Mini Instructions Operation and Maintainance Instructions An annual maintenance of the boiler and heating system is recommended. This ensures that the optimal safety, performance and operation characteristics of the boiler remain unchanged over time. Warnings Never expose the wall-mounted boiler to direct vapours from a cooking surface. Use of the boiler by un- skilled persons or children is strictly prohibited. -
Page 15: Troubleshooting
Zeus Mini Instructions Troubleshooting Ignition lockout. Each time heating or hot water production is required the boiler is turned on automati- cally. If this does not occur within 10 seconds, the boiler activates an “ignition lockout” (red indicator lamp 2 ON). - Page 16 Zeus Mini Instructions Annual maintainance procedures The following checks and maintenance should be performed at least once a year. - Clean the flue side of the heat exchanger. - Clean the main burner. - Make a visual inspection of the flue extraction hood for wear or corrosion. - Ensure correct ignition and operation.
- Page 17 Zeus Mini Instructions N.B.: Pressure values specified in the table indicate the difference of pressure values between the gas valve outlet and the com- bustion chamber. Adjustments are carried out using a differential pressure gauge. Page 17...
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