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Certikin MB055 Operating, Installation And Servicing Instructions

Direct fired swimming pool & spa heaters
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Operating, Installation and Servicing Instructions for
Direct fi red swimming pool & spa heaters
Models: MB055, MB105, MB155, MB185, MB265, MB405
MB055
WARNING: If the information in these instructions are not followed exactly, a fi re
or explosion may result causing property damage, personal injury or death.
Do not store or use gasoline or other fl ammable vapours and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
•
Do not try to light any appliance.
•
Do not touch any electrical switch; do not use any phone in your building.
•
Immediately call your gas supplier from a neighbour's phone. Follow the gas sup-
plier's instructions.
Installation and service must be performed by a Gas Safe registered installer, service
agency or the gas supplier.
MB105
MB155
MB185
MB265
MB405
M3556 Rev B

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Summary of Contents for Certikin MB055

  • Page 1 Operating, Installation and Servicing Instructions for Direct fi red swimming pool & spa heaters Models: MB055, MB105, MB155, MB185, MB265, MB405 MB185 MB055 MB105 MB155 MB265 MB405 WARNING: If the information in these instructions are not followed exactly, a fi re or explosion may result causing property damage, personal injury or death.
  • Page 2 GENERAL SPECIFICATIONS WATER CONTENT Litre Model Model Model (gal) (0.18) (0.3) (0.4) Model Model Model (0.4) (0.4) (0.5) MAXIMUM WATER PRESSURE 8 bar (125 psi) MAXIMUM WATER FLOW TEMP 45.0 °C 110 (°F) ELECTRICAL SUPPLY 230V 50Hz, FUSED AT 3A. POWER 100W PERFORMANCE SPECIFICATIONS - NATURAL GAS GAS CATEGORY, TYPE AND SUPPLY PRESSURE G20 @ 20 mbar (8 in.

  • Page 3: Table Of Contents

    INSIDE COVER - GENERAL & PERFORMANCE SPECIFICATIONS Contents PART ONE - USER'S OPERATING INSTRUCTIONS Start-up procedures Safety before start-up Operating models 055, 105 and 155 Operating models 185, 265 and 405 Caution notice Maintenance and care procedure Pool & spa water chemistry Cold weather operation Winterizing the pool &...

  • Page 4: Part One - User's Operating Instructions

    PART ONE - USER'S OPERATING INSTRUCTIONS FOR YOUR SAFETY - READ BEFORE OPERATING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT, CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. START-UP PROCEDURES BEFORE START-UP BURNERS Clean air louvres of dust, lint and debris.

  • Page 5: Operating Models 055,105 And 155

    FOR YOUR SAFETY READ BEFORE OPERATING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. Isolate the appliance with the Service Cock inside. If This appliance is equipped with an ignition device this is not accessible, isolate at the gas meter.

  • Page 6: Operating Models 185, 265 And 405

    OPERATING MODELS 185, 265 and 405 Quick Start Pool Filter Blocked - Yellow On - If the pump is running and there is insuf- Check that the Electricity and Gas Supplies are on. fi cient pressure, possibly due to a blocked Pool Turn on the Pool Pump.

  • Page 7: Maintenance And Care Procedure

    AFTER START-UP CAUTION Elevated water temperature can be hazardous, and Feel the inlet and outlet pipes. Outlet pipe should the U. S. Consumer Product Safety Commission be only slightly warmer than the inlet. It should not recommends the following guidelines: be hot.

  • Page 8: Pool & Spa Water Chemistry

    3. Make visual check of the burner and pilot COLD WEATHER OPERATION fl ame. Flame pattern on the main burner and pilot is indicated in the previous illustration. Yellow MODERATE CLIMATE: Heater operation can fl ame means restriction of the air openings. Lifting continue during short term cold spells.

  • Page 9: Part Two - Installation/Service Instructions

    PART TWO - INSTALLATION/SERVICE INSTRUCTION GENERAL NOTES WARNING: This appliance must be installed and serviced by a GAS SAFE registered installer. On receipt of your equipment it is suggested that you visually check for external damage to the carton. If the carton is damaged, a note should be made on the delivery note when signing for equipment.

  • Page 10: Installation Instructions

    INSTALLATION INSTRUCTIONS Models 185, 265 & 405 - BS. 6891; Installation of low pressure pipework. - BS. 6644; Installation of Gas Fired Hot Water IMPORTANT NOTICE Boilers 60kW to 2MW. - CP 341; Water Supply. These instructions are intended for the use of - British Gas Publications: IM2;...
  • Page 11 CLEARANCES For servicing, provide at least 600mm (24") in front of the heater for burner tray removal, and at least ALL HEATERS 450mm (18") on water connection side of the heater For clearances from combustible surfaces, see the to inspect and delime the heat exchanger. chart below.

  • Page 12: Outdoor Heaters

    OUTDOOR HEATERS 105 & 155 Models FLUE TERMINAL (Outdoor) Stackless Top Illustra- These heaters are certifi ed by Advantica for outdoor tion installation, when equipped with the approved tops designated for outdoor use. Top Vent Opening WARNING: The heater shall not be located in an area where water sprinklers, or other devices, may cause water to spray through the cabinet louvres and into the heater.

  • Page 13: Indoor Heaters

    INDOOR HEATER 185, 265 & 405 Models FLUE TERMINAL (Indoor) Draught Diverter The design is also certifi ed by Advantica for indoor Illustration installation when fi tted with the appropriate draught diverter and a suitable fl ue system to outside. Note 1.
  • Page 14 SPECIFICATIONS & DIMENSIONS 055 - 105 - 155 MODEL FLUE DIA CONNECTIONS SHIPPING WEIGHT WATER kg (lbs) mm (in.) APPLIANCE DIVERTER 100 (4) ½" 1½" NPT 31.8 (70) 2.3 (5) 127 (5) ½" 1½" NPT (105) 3.5 (8) 152 (6) ¾"...
  • Page 15 155 Model Only DIMENSIONS - 220mm (8 - ") 85mm (3 - ") 1140mm (44 - ") 900mm 770mm (35 - ") (30 - ") 680mm (26 - ") 390mm Gas Con- (15 - ") nection 370mm 610mm (14 - ") (24") SPECIFICATIONS &...

  • Page 16: Combustion Air

    VENTILATION REQUIREMENTS The fl ue/chimney design should avoid the formation of excessive quantities of condensate and for this The heater must have both ventilation and combus- reason it is recommended that all chimneys are suit- tion air. Safe and effi cient operation of the heater is ably insulated and lined.

  • Page 17: Gas Supply Connections

    GAS SUPPLY CONNECTIONS Honeywell Gas Valve Gas piping must have a manual shut-off valve located Burner Pressure outside the heater jacket. All gas piping should be adjustment tested after installation in accordance with local codes. CAUTION: The heater and its manual shut off valve must be disconnected from the gas supply during any pressure testing of that system at test pressures in excess of 150mbar (2.2psi).

  • Page 18: Plumbing For Water Connections

    PLUMBING FOR WATER CONNECTIONS LEFT SIDE WATER CONNECTION CONVERSION 185, 265 & 405 Models Only There are two ways of achieving the connection conversion. Removal and turning of the heat exchanger or, swapping of the headers. Generally swapping headers is easier and this process is described here.
  • Page 19 CONNECTIONS 2" CPVC Adapters All Models LOCATION The heater requires water fl ow and pressure to op- erate properly. It must therefore be installed down- stream of the discharge side of the fi lter and pump. A typical installation is plumbed as follows: 1.
  • Page 20 055 Models Only 185, 265 & 405 Models Only 055hdr.tif Ensure the O rings are properly seated before tight- ening hand tight. They maybe lubricated with silicone grease. Glue plastic pipe directly in to the unions. 105 Model Only UNITHERM GOVERNOR OPERATION The 105 accepts direct connection to 1½"...

  • Page 21: Electrical Wiring

    EXTERNAL AUXILIARY BYPASS VALVE The Electronic Ignition Device automatically lights (Where Required) the pilot and main burners upon a call for the heat. The heater is supplied with a transformer for 230V An auxiliary bypass valve should be used when fl ow mains input.
  • Page 22 WIRING DIAGRAM 055-105-155 MODELS ONLY MB Pool & spa heater...
  • Page 23 WIRING DIAGRAM 185-265-405 MODELS ONLY MB Pool & spa heater...

  • Page 24: Servicing Instructions

    SERVICING INSTRUCTIONS GENERAL LOCATION OF CONTROLS 055 MODEL 105 MODEL Pressure Switch Burners & Pilot Drain Valve Unitherm Governor Gas Valve (Bronze Units Only) Bypass Valve Solid State Thermostat & High Limits Ignition Control & Overheat Thermostats High Limits & 155 MODEL Overheat Thermostats...
  • Page 25 GENERAL LOCATION OF CONTROLS - continued. 185-265-405 MODEL 155 Model 185,265 & 405 Models CONTROL PANEL REMOVAL CONTROL PANEL REMOVAL 1. Remove lower door. 1. Remove (4) screws from sides of control 2. Remove (2) screws from bottom fl ange of panel.

  • Page 26: Pressure Switch

    185 265 and 405 Models Pool Filter Blocked - Yellow On - If the pump is running and there is insuffi cient pressure, possibly due to a blocked Pool Filter. The Heater will not run. On/Off Overheat - Red Switch On - This indicates the Heater has overheated and Thermostat shutdown.

  • Page 27: High Limit

    All Models FLAME ROLL-OUT SAFETY SWITCH PRESSURE SWITCH ADJUSTMENT 1. With pump and heater on, turn adjustment knob (clockwise) until a click is heard from the gas valve. 2. Turn adjustment knob (counter clockwise) 1/4 turn. 3. Turn pump off and on several times. The heater is equipped with a thermal cutoff device Heater should shut off immediately.

  • Page 28: Pilot Safety

    3. To remove the manual reset high limit, follow the 055, 105 & 155 Models procedure for the high limit thermostat but in GAS VALVE REMOVAL addition, disconnect the electrical connections and release its mounting bracket from the side 1. Remove burner tray. (See burner drawer panel by removing the M4 nut at the front of the removal procedure).

  • Page 29: Heat Exchanger Removal

    185, 265 & 405 Models All Models PILOT REMOVAL AND CLEANING CONTROL IMMERSION WELL REPLACEMENT 1. Disconnect pilot tubing, and wires from 1. Shut water off to heater and drain heat gas valve. exchanger. 2. Remove pilot assembly from burner tray. 2.

  • Page 30: Desooting Procedure

    All Models To test the operation of the Unitherm Governor, place in hot water (over 43°C) and watch for movement DESOOTING PROCEDURE against spring. If there is no movement, replace unit. CAUTION: SOOT IS COMBUSTIBLE. EXERCISE EXTREME CARE. NEVER USE A WIRE BRUSH. 055, 105 &...

  • Page 31: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE These instructions are primarily intended for the use of qualifi ed personnel specifi cally IMPORTANT NOTICE: trained and experienced in the installation of this type of heating equipment and related system components. Installation and service personnel must be Corgi Registered. Persons not qualifi ed shall not attempt to install this equipment nor attempt repairs according to these instructions.
  • Page 32 PROBLEM CAUSE SOLUTION Pilot outage. Low gas pressure..... Adjust gas pressure. Restricted pilot......Clean pilot. Weak pilot generator....Replace pilot. Faulty Detection Electrode or PCB Yellow lazy fl ame Low gas pressure...... Adjust gas pressure. *Insects or debris clogging burner intake ports.....Clean burners. Inner &...
  • Page 33 PROBLEM CAUSE SOLUTION Pilot outage. Low gas pressure..... Adjust gas pressure. Restricted pilot......Clean pilot. Weak pilot generator....Replace pilot. Faulty Detection Electrode or PCB Yellow lazy fl ame Low gas pressure...... Adjust gas pressure. *Insects or debris clogging burner intake ports.....Clean burners. Inner &...
  • Page 34 055, 105 & 155 Models WARNING ELECTRICAL TROUBLESHOOTING HIGH VOLTAGE For qualifi ed Technicians ONLY NOTE: This heater is equipped with an ignition module that shuts off pilot gas if pilot START fails to light after the third attempt. This is identifi...
  • Page 35 ELECTRICAL TROUBLESHOOTING 055, 105 & 155 Models If the pool/spa water is too cold, troubleshoot the system as follows: Check voltage at 24 V terminals. VOLTAGE BETWEEN 21.5-28.5 V. VOLTAGE OUTSIDE RANGE 21.5-28.5 V. Check transformer, 230 V supply, correct as necessary.If Set control to max.
  • Page 36 185, 265 & 405 Models Logs CONTROL FAULT DIAGNOSIS The Control keeps a log of the number of times the Pressure Switch, Manual Overheat, Hi-Limit Before commencing a diagnosis it is recommended that and Thermal Fuse (Rollout) fail. These can be you familiarise yourself with the functions of the Controls.
  • Page 37 Setting Pool Temperature Temperature Lock/Unlock On / Off Postion Setting Knob Display Button Switch User Setup Mode Setting Factory Setting Alternative Display Indicator Display units ° F = Fahrenheit ° C = Centigrade ° F or ° C Maximum temperature 32 °C (90 °F) 41 °C ( 106 °F) PL or SPA...
  • Page 38 REPLACEMENT PARTS LIST 055 & Easiheat Model NOTE: To supply the correct part it is important that you state the model number, serial number and type of gas when applicable. spares2.pcx Pilot ( Silver ) Pilot ( Black ) MB Pool & spa heater...
  • Page 39 Description - 055 & Easiheat Models Part Code BURNER TRAY Burner Tray w/Gas Valve Natural Burner Tray w/Gas Valve Propane Burner 301210 Burner Injector Natural No.50 350079 Burner Injector Propane No.57 350083 CONTROLS High Limit 57ºC (135ºF) 600889B High Limit Manual Reset 102ºC M3029 Thermostat Control (Solid State) 600960...

  • Page 40: Replacement Parts List - 105

    REPLACEMENT PARTS LIST 105 Model 16-H softlite.tif 11-H 14-H 12-H 10-M Pilot (Silver) Pilot (Black) MB Pool & spa heater...
  • Page 41 Description - 105 Model Part Code BURNER TRAY Burner Tray w/Gas Valve Natural Burner Tray w/Gas Valve Propane Burner 301210 3-B Burner Orifi ce Natural No.50 350079 Burner Orifi ce Propane No.59 350350 CONTROLS Automatic Reset Thermostat 601549 High Limit Manual Reset 102ºC M3029 Thermostat Control (Solid State) 600960...

  • Page 42: Replacement Parts List - 155

    REPLACEMENT PARTS LIST 155 Model 12-H bits.tif Pilot (Silver) Pilot (Black) MB Pool & spa heater...
  • Page 43 Description - 155 Model Part Code BURNER TRAY Burner Tray w/Gas Valve Natural Burner Tray w/Gas Valve Propane Burner 301210 Burner Orifi ce Natural No.49 350078 Burner Orifi ce Propane No.57 350083 CONTROLS Thermostat Pocket, High Limit M3028 High Limit 60ºC (140ºF) 600893B High Limit Manual Reset 102ºC M3029...

  • Page 44: Replacement Parts List - 185, 265 & 405

    17-H REPLACEMENT PARTS LIST 16-H 185, 265 & 405 Model 13-H 11-H 12-H 10-H 11-H 14-H 12-H 17-H 15-H 14-H 16-H 14-M 18-H 10-S 12-S 18-H Pilot (Silver) Pilot (Black) MB Pool & spa heater...
  • Page 45 Description - 185, 265 & 405 Models BURNER TRAY Burner Tray w/Gas Valve Natural SPMB405 Burner Tray w/Gas Valve Propane SPMB403 Burner 301210 301210 301210 Burner Orifi ce Natural No.50 350079 350079 350079 Burner Orifi ce Propane No.59 350350 350350 350350 CONTROLS Thermostat Pocket, High Limit...
  • Page 46 185, 265 & 405 Replacement Parts List (continued) Description MISCELLANEOUS COMPONENTS Pressure Switch (Cast Iron Ht Ex) 650634 650634 650634 Pressure Switch (Capron) SPCOH02/014 SPCOH02/014 SPCOH020/14 Pressure Switch Tube Assembly (C.I.) 065391 065391 065391 Thermostat Knob (1) 800303 800303 800303 Knob Stop (1) 305138 305138...
  • Page 47 Blank page...
  • Page 48 Station Lane Industrial Estate Witney Oxon. Tel. 01993 778855 Fax. 01993 703407 October 2015...

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