Certikin Genie MB20S Operating, Installation And Servicing Instructions
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Certikin Genie MB20S Operating, Installation And Servicing Instructions

Indirect fi red condensing pool & spa heaters
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Operating, Installation and Servicing Instructions for
Indirect fi red condensing pool & spa heaters
Models: MB20S, MB35S, MB50S
Genie
IMPORTANT : FOR YOUR SAFETY READ THIS
MANUAL BEFORE OPERATING THE HEATER
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
M2709 Rev J

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Summary of Contents for Certikin Genie MB20S

  • Page 1 Operating, Installation and Servicing Instructions for Indirect fi red condensing pool & spa heaters Models: MB20S, MB35S, MB50S Genie IMPORTANT : FOR YOUR SAFETY READ THIS MANUAL BEFORE OPERATING THE HEATER RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE M2709 Rev J...
  • Page 2 Blank page Condensing pool heater Genie S...

  • Page 3: Table Of Contents

    Contents Section Page 1.0 TECHNICAL DATA 1.1 User operating and safety instructions 2.0 REQUIREMENTS 2.1 Pool chemistry 2.2 Cleaning 2.3 Safety and maintenance 2.4 Water temperature settings 2.5 Winterisation 2.6 Gas safety regulations 2.7 Location of heater 2.8 Gas supply 2.9 Gas conversion 2.10 Flueing 2.11 Air supply...

  • Page 4: Technical Data

    1.0 TECHNICAL DATA GENERAL SPECIFICATIONS WATER CONTENT MB20S & MB35S/MB50S 5.0 Litres / 6.0 Litres WEIGHT (net) MB20S & MB35S/MB50S 53 kg 55kg DIMENSIONS, OVERALL 375 mm wide, 520 mm deep, 980 mm high SERVICE CLEARANCE 300mm Left, Right and Above. 800 mm In front CORE DRILL DIAMETER 175 mm MINIMUM...

  • Page 5: User Operating And Safety Instructions

    1.1 USER’S OPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATING IMPORTANT SAFETY INFORMATION DO NOT use this heater if any part has been under • Drinking alcoholic beverages before or during water. Call a qualifi ed service engineer to inspect spa or pool use, could cause drowsiness or the heater and its gas controls.
  • Page 6 To lock the required temperature set point see 1.1 Certikin declines any responsibility for any damage or injuries caused by an improper use. In order to Pool Pump & primary system pressure...

  • Page 7: Requirements

    2.0 REQUIREMENTS 2.4 WATER TEMPERATURE SETTINGS The heater is designed to provide maximum heat output These instructions cover a range of indirect, fl oor up to 1 C below set point. Output is gradually reduced mounted, gas fi red, condensing pool heaters which over the last 1 C.

  • Page 8: Gas Safety Regulations

    IMPORTANT 2.6 GAS SAFETY REGULATIONS If the heater is to be fi tted in a timber framed building General please refer to “IGE/UP7 Gas installations in timber It is the law that all gas appliances are installed by framed buildings” for guidance a competent person (e.g.

  • Page 9: Gas Supply

    2.8 GAS SUPPLY 2.11 AIR SUPPLY An existing meter and pipework should be checked, It is NOT necessary to have a purpose provided air preferably by the Gas Supplier, to ensure that they vent in the room or internal space in which the boiler are adequate to deal with the rate of gas supply is installed.

  • Page 10: Flue Terminal Positions

    2.13 FLUE TERMINAL POSITIONS Terminals should be so positioned as to avoid products of combustion entering openings into buildings or other fl ues or vents Fig. 1.0 Source of data : Building regulations Part J : 2010 Gas appliances up to 70 kW Minimum Distance A Directly below an opening, air brick, opening window etc B Above an opening, air brick, opening window etc...

  • Page 11: Condensate Drain

    Genie Resistance Fig. 2.0 2.14 CONDENSATE DRAIN It is permissible to fi t an isolating valves on the pipe- (see 3.9 for details) work on either side of the heater. In these circum- stances it is recommended to fi t a fl ow switch in the heaters mains supply.

  • Page 12: Installation Of Heater

    3.0 INSTALLATION OF HEATER Space required for installation and servicing: Left, right and above 300mm Front 800mm 3.1 PROCEDURE Site to suit the pool, terminal, plume and condensate drain limitations. The terminal position should fol- low BS 5440 and be at least 600mm away from any Fig.

  • Page 13: Heater & Terminal Dimensions

    3.5 HEATER DIMENSIONS Pipe Connections & Locations Fig. 3.1 Service Access Left, Right or Above 300mm In Front 800mm Dimensions Model Genie 20 / 35 138mm 226mm 361mm Genie 50 170mm 258mm 425mm Connections Multi Heater Connection Electric & External Control (CCP01) Gas Supply - 22mm Copper Safety Valve Outlet - 15mm Copper Condensate Drain - 1¼”...
  • Page 14 Outdoor Terminal Outdoor Flue Terminal (MBOT) Dimensions Clamp Assembly Screw Fig. 3.3 Vertical Roof Terminal Dimensions Flat Roof Pitched Roof Instal- Installation lation Use Seldeck Flashing System for all Roof Installations Vertical Roof Terminal (MBVT) 1 metre Horizontal/ Vertical Extension Pipe (MBHVE) 45 degree bends (MB45DB)

  • Page 15: Flue Examples And Fl Ue Kit Part Codes

    3.6 FLUE EXAMPLES Extended Horizontal Extended Vertical Outdoor Terminal Wall Terminal Roof Terminal MBOT MB90DB MBHVE MBHT (not shown) MBVT MBHVE TO OFFSET USE MB45DB TO OFFSET USE MB45DB Fig.4.3 Horizontal Wall Terminal MB90DB MBHT (not shown) Fig.4.1 Fig.4.2 Fig.4.0 Flue Kit Part Codes Determine the type of fl...
  • Page 16 Flue Kit Part Codes (cont.) The Maximum Flue Equivalent Length (FEL) permitted is 20 metres, horizontal or vertical. The fl ue kits available below list the FEL for each component. Add up all the FEL’s used in your design and check that this does not exceed 20 metres (see 3.3 for details).

  • Page 17: Terminal Guard And Roof Terminal

    3.7 TERMINAL GUARD & ROOF Pool pump fl ow rate This heater has a very low resistance to pool water TERMINAL fl ow and will tolerate a wide range of fl ows. The fl ue outlet from this heater is low temperature (normally below 60 C) so a guard is only required The minimum recommended fl...
  • Page 18 3.9 CONDENSATE CONNECTIONS DISPOSAL METHODS Note: Do not reduce the pipe size below the 40mm provided. Soakaway 200mm Land Drain Filled with Lime Stack Attachment chippings 400mm Insulate against deep freezing Strap-On Boss 1:20 Fall ( 2.5 Degrees ) Soil Pipe or Fig.7.0 Drain CONDENSATE SYPHON (75 MM)

  • Page 19: Electrical Connections

    The simplest and most fl exible control scheme is to use a Certikin CCP01 Control Unit. This provides an electrical safety trip and timer with outputs for the heater, lights and an auxiliary voltage free output. It is pre-wired and tested and provided in a standard IP55 plastic control box.

  • Page 20: Wall Mounting Kit

    3.12 WALL MOUNTING KIT Overview The Genie models can be wall hung using the wall mounting kit. Kit Part Code: MBWMK35/50 Instructions • Select a suitable wall and position to mount the heater. (Note the heater weighs up to 53kg). •...
  • Page 21 TOP HANDLE BRACKET M4 SCREWS SUPPLIED (3 PLC'S) LOCATING STUDS (2 PLC'S) TOP WALL MOUNTING BRACKET REMOVE DEMOUNTABLE POOL FITTINGS FOR BETTER DRILL ACCESS Fig. 10.5 GOLD SCREWS SUPPLIED (3 PLC'S) BOTTOM WALL MOUNTING BRAKET 3.0 Installation Genie S...

  • Page 22: Multiple Heater Kit

    Installation Instructions 3.13 MULTIPLE HEATER KIT • Disconnect the heater from the mains then re- move the top panel and the electrical chassis Overview cover. It is possible to connect together several heaters • Remove pool thermostat control knob into a group cascade system and by doing so obtain •...
  • Page 23 • Turn on mains power, then switch on all the Displays heaters. After a short self-test the master • The master display is just like a single heater. should show the actual temperature, and the • A slave will display “---” when working as part of slaves three dashes “---”.

  • Page 24: Commissioning

    4.0 COMMISSIONING 4. Re pressurise the system to 2.0 bar as necessary THIS HEATER AS SUPPLIED IS NOT FILLED 5. Open the top vent of the heat exchanger by rotating WITH SUFFICIENT WATER IN THE PRIMARY the plastic section connected to the silicone tubing. CIRCUIT.

  • Page 25: Prior To Burner Operation

    4.2 PRIOR TO BURNER OPERATION 1. With the gas and electrical supply off , undo the three screws that hold the venturi to the gas valve. The heater control is factory set to display in Fahr- Throttle enheit and work to a maximum temperature of 90°F Adjustment (32°C).

  • Page 26: Commissioning The Burner

    4.5 COMMISSIONING THE BURNER If the CO requires adjustment this can be done with a 4mm allen key, after having removed the dust cover of the throttle adjustment screw (see illustration below) The gas mixture and burner off -set gas rate (minimum load rate) is preset by Throttle screw the manufacturer.

  • Page 27: User Setup Mode

    4.6 USER SETUP MODE Pressure gauge Fig. 9.0 Temperature er erat atur ur Pool temperature l l t t l l t tem emp p Lock/Reset eset et On / Off O O ff ff O O ff ff control knob display Button switch...

  • Page 28: Fault Finding

    5.0 FAULT FINDING BEFORE COMMENCING OR COMPLETING ANY ELECTRICAL WORK ON THE HEATER, TURN OFF THE MAINS ELECTRICITY SUPPLY 5.1 OPERATION SAFETY CONTROLS AND LOCKOUTS This heater requires mains on both the Live (L) and switched live (SL) connection to be able to operate. It is supplied with a link wire, which can be removed if a separate heater switched live is going to be used.

  • Page 29: Fault Codes & Diagnostics

    5.3 FAULT CODES & DIAGNOSTICS LED2 LED1 YELLOW GREEN 5.0 Fault fi nding Genie S...
  • Page 30 5.3 FAULT CODES & DIAGNOSTICS (CONTINUED) LED2 LED1 YELLOW GREEN 5.0 Fault fi nding Genie S...
  • Page 31 5.3 FAULT CODES & DIAGNOSTICS (CONTINUED) “GAS” will clear in standby but “GAS” will not clear returns during operation in standby Wiring connections Does fan run? Have the fl ue gas or fl ow tem- perature limit switches triggered? Replace fan With power isolated, Does heater reach ignition Is ignition lead and...

  • Page 32: Schematic Wiring

    5.4 SCHEMATIC WIRING Fig.11.0 5.0 Fault fi nding Genie S...

  • Page 33: Servicing

    6.0 SERVICING In all cases, before work com- mences turn off the Mains Electricity and Gas Supply. 6.1 ROUTINE SERVICING To ensure continued effi cient operation of the appliance it is recommended that it is checked and serviced at regular intervals. The frequency of servicing will depend upon the par- ticular installation and usage but in general every 2,000 hours of operation should be the maximum.

  • Page 34: Changing Components

    Heat exchanger pool sensor 6.2 CHANGING COMPONENTS Located in a pocket in the ‘From Pool’ side of the secondary heat exchanger. (See 6.4 for illustration) Disconnect from power supply before • Pull out the retaining wedge, and pull out the sensor. carrying out any electrical work •...
  • Page 35 Expansion vessel (See 6.4 for illustration) Gas valve (See 6.4 for illustration) • Remove the single screw holding the retaining • Remove the ignition control, see above. strap. • Release the gas elbow by undoing the four shoulder • Release the fl exible hose connection to the vessel bolts holding it to the gas valve.

  • Page 36: Spares

    6.3 SPARES Item Mfg’ Part Number Supplier Part No Primary heat exchanger (Genie 20 & Genie 35) M2136 SPMBG001 Primary heat exchanger (Genie 50) M2139 SPMBG002 Primary heat exchanger silicone door seal M2995 SPMBG082 Primary pump M7966 SPMBG095 Primary fl ow temperature sensor M2149 SPMBG013 Primary fl...
  • Page 37 6.4 HEATER COMPONENT ILLUSTRATIONS (CONTINUED) Combustion Flue Adapter Flue Thermostat Sample Point Condensate Pressure Heat Exchanger Switch Combustion Temp Sensor Air Vent Fig.14.1 Heat Exchanger Spark & Sense Fan Fixing Electrode Nuts Venturi Ve e Pump Fan Electrical Connectors Fig.14.2 Condensate Syphon Air Tube...

  • Page 38: Installation & Service History

    7.0 INSTALLATION & SERVICE HISTORY Circle appropriate: Model Genie 20 Genie 35 Genie 50 Commissioning Installer No Date: Working pressure mbar Instructed User in operation? Yes/No Service History Date Cleaned ? Pressure Date Cleaned ? Pressure Date Cleaned ? Pressure Condensing Pool Heater 04/12/13 7.0 Installation and Service History...
  • Page 39 Blank page Condensing pool heater Genie S...
  • Page 40 Station Lane Industrial Estate Witney Oxon. Tel. 01993 778855 Fax. 01993 703407 June 2020 Rev J...

This manual is also suitable for:

Genie mb35sGenie mb50s

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