Certikin COH110 Operating, Installation And Servicing Instructions
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Certikin COH110 Operating, Installation And Servicing Instructions

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Operating, Installation and Servicing Instructions for
Indirect oil fired pool & spa heaters
Models: COH110, COH180, COH220, COH280
M3491G

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Summary of Contents for Certikin COH110

  • Page 1 Operating, Installation and Servicing Instructions for Indirect oil fired pool & spa heaters Models: COH110, COH180, COH220, COH280 M3491G...
  • Page 2 HEALTH AND SAFETY Information for the installer, user & service engineer Certikin International takes every reasonable care to ensure that these products are designed and constructed to meet current safety requirements, when properly used and installed. To fulfil this requirement products are comprehensively tested and examined before despatch.

  • Page 3: Table Of Contents

    CONTENTS SECTION 5 - FLUES SECTION 1 - USER INSTRUCTIONS 5:1 Conventional Flues 1:1 Safety Notes 5:2 Air Supply 1:2 Air Supply 5:3 Balanced Flue Heaters 1:3 Connections 5:4 Balanced Flue Terminals 1:4 Installation & Commissioning 5:5 Terminal Guards 1:5 Quick Start 5:6 Positioning the Heater 1:6 Summary of Controls 1:7 Re-pressurising...

  • Page 4: 1:2 Air Supply

    1: USER INSTRUCTIONS ALWAYS SWITCH OFF THE ELECTRICAL SUP- 1:1 Important Safety Notes before removing any of the covers for cleaning. To obtain the best possible performance and trouble If any part of the Heater or its flue has been modified free operation from your heater, it is important that without the manufacturers approval, the guarantee you read these instructions carefully.

  • Page 5: 1:7 Re-Pressurising

    Pool / Spa Temperature Control Knob Filter LED - YELLOW 16°C to 41°C (60°F to 106°F) On - Pool filter blocked - Insufficient pressure, pos- Off - There is no Pool Heating Demand , pool heating sibly due to a blocked pool filter. The heater will not is off.

  • Page 6: 1:10 Switching Off For The Winter

    From Pool Stop cock Cold water Mains inlet Safety Outlet Oil Filter & line COH180 & COH220 Burner Lockout Fig 2:1b Reset 1:9 Switching the Heater Off - 1:11 Oil Delivery temporarily Always ensure the tank is topped up at regular in- The heater may be stopped by turning the Pool tervals rather than wait till it is nearly empty.

  • Page 7: 1:12 Maintenance

    1:12 Maintenance 1:14 Servicing For normal cleaning of the outside casing, simply wipe To ensure efficient and reliable operation of the with a dry cloth. To remove stubborn marks and stains, Heater it is essential that the oil burner is initially wipe with a damp cloth and finish off with a dry cloth.

  • Page 8: 2:1 Introduction

    2: GENERAL INFORMATION 2:3 COMMISSIONING 2:1 INTRODUCTION It is essential in the interest of Heater efficiency and This Manual covers Operation, Installation, Commis- reliable performance that once the Heater has been sioning and Maintenance of the Oil Fired Pool Heat- installed it is first commissioned by a qualified engi- ers.

  • Page 9: 3:1 Liquid Fuels

    3: TECHNICAL DATA They are set for the stated output. Details of all nozzle sizes and pump pressure for all Heaters are shown on the following pages. 3:1 LIQUID FUELS Gas Oil (Red Diesel), also known as 35 sec oil The Pool Heaters will burn liquid fuels complying with BS2869 Part 2 1988 Classes C2 and D as specified All models, can be adapted to burn Gas Oil.

  • Page 10: 3:5 Dimensions

    3:5 DIMENSIONS Flue Centre Line Fig 3:5a Height Depth Widths Service Clearances Model Flue Internal Pool Water Weight Dia. Pump Connection Content Empty kg Speed litres 1000 1000 1100 *3/**N/A *WILO standard efficiency (with speed adjuster) ** WILO High efficiency (fixed speed) 3:6 COMMISSIONING DATA 3:6.1 Class C2 Heating Oil (Kerosine), also known as 28 sec oil Model...

  • Page 11: 4:1 Standards And Regulations

    3:6.2 Class D Gas Oil (Red Diesel), also known as 35 sec oil NOTE: Low Level discharge is NOT allowed Model Output Burner Nozzle Pump Firing Smoke Flue Gas ² US-GPH (kg/h) Pressure Shutter Rate l/h +/-0.5% Btu/h Type Head x Angle Approx x 1000...

  • Page 12: 4:3 Installation Wiring

    The designs below are in order of preference, the CCP02 being the easiest, quickest and most comprehensive solution. NOTES DESIGN Utilising the CCP02 "Quick Fit" Oil Pool Heater Control Takes full advantage of all the features of the Certikin CCP02 Oil Pool Heater. Provides the fastest installation Lights Up to 6A Pool Pump control providing overrun and Frost Protection action.

  • Page 13: 4:4 If Combined With Heating

    Speak to should be given when positioning the oil tank. Certikin for advice before installing near a coast. 3. Some individuals may be particularly sensitive to Tank positioning should be in accordance with BS even low noise levels and this should be dis- 5410 Part 1 and OFTEC Technical Book 3.

  • Page 14: 4:8 Oil Supply

    4:8.2 Fire Check Valve (Not Supplied) It should be completed with the following: Sludge cock - on steel tanks. A 90°C fire valve must be fitted in the suction line see Outlet valve. BS 5410: Part 1. Contents Indicator. Hinged fill and vent cover or a separate fill The valve must be fitted external to the heater, prefer- connection and vent.
  • Page 15 Fig 4:9b Riello bypass adjustment COH Oil Pool Heater GB, IE...
  • Page 16 4:8 OIL BURNER 4:7.6 Water Separator Oil Filter A Water Separator For Gas Oil is recommended (part The Burner manufacturers’ Technical Leaflet is sup- No. BS03052). plied with this manual and provides supplementary information not included in this manual. 4:7.7 Flexible Oil Pipes 4:8.1 Burner Pump for Two Pipe System A flexible burner oil hose is supplied with the heater which must be wholly contained within the appliance...
  • Page 17 4:9 SENSOR POSITIONS ONLY USE SUPPLIED BYPASS SCREW FOR ALLEN KEY (2.5mm). DO NOT USE SLOTTED SCREW TYPE. The Heater Control Temperature Sensor fits into the right hand pocket on the top of the Heater Heat 4:8.2 Burner Pump for Single Pipe System Exchanger.
  • Page 18 TABLE GIVING MAXIMUM PIPE LENGTH L Meters 10mm PIPE ‘H’ meters 0.5 Bypass screw must be fitted COH Oil Pool Heater GB, IE...
  • Page 19 4:10 WIRING DIAGRAM SCHEMATIC WIRING Fig. 4:10a COH Oil Pool Heater GB, IE...

  • Page 20: 5:1 Conventional Flues

    5: FLUES 5:1 CONVENTIONAL FLUE (FLUE 4” 5” When the Heater is situated in a confined space or cham- ber a permanent adequate supply of air is required for OR 6”) ventilation to prevent over heating. CONVENTIONAL FLUE INSTALLATION ONLY. 5:2.1 Opening Sizes FOR BALANCED FLUE INSTALLATIONS REFER TO SECTION 5:3...

  • Page 21: 5:4 Balanced Flue Terminals

    It is a mandatory requirement that: 5:5 TERMINAL GUARDS 1. Low level balanced flues are not used for Heaters If the lowest part of the terminal is less than 2m operating with gas oil (Class D fuel). above the ground, balcony, flat roof or other place 2.
  • Page 22 Fig. 5:4a Balanced Flue Terminal Positions Table to above Flue Terminal Positions - MINIMUM dimensions DESCRIPTION DISTANCE IN mm Directly below an Opening, Air Brick or Window 1000 Below a Gutter, Sanitary Pipework or Eaves 1000 From an Internal Corner Above Ground From a surface facing a Terminal 1200...

  • Page 23: 6:1 Horizontal Balanced Flues

    6: BALANCED FLUE INSTALLATION Fig 6:1a 6:1 HORIZONTAL BALANCED FLUE INSTALLATION To order the correct horizontal flue system for your heater, please refer to Fig 6:1c for details. The standard flue kits are adjustable but limited in total length to length range ‘L’ (see Fig 6:1c). Check site to see if any flue extensions are required.
  • Page 24 Fig 6:1c Model Horizontal Flue Extension part balanced number min-max flue kit part number 430mm 930mm COH110 SPCOHHCF1 SPCOHCFM1 SPCOHCFL1 1070 374-575 COH180 1235 1000 386-575 SPCOHHCF2 COH220 SPCOHCFM SPCOHCFL 1235 1000 386-575 COH280 SPCOHHCF3 1335 1100 386-575 Model Terminal...

  • Page 25: 6:2 Vertical Balanced Flues

    H = 3000mm; Extension Length = greater than this figure.Example for a Model 3000-840 (AF) = 2160mm = 2 x SPCOHCFL COH110. H = 3000mm; Extension Length plus 1 x SPCOHCFM. = 3000-590 (AF) = 2410mm = 2 x SPCOH- 2.
  • Page 26 Fig 6:2a Model Adjustment Figure Vertical Dia. Flue extension part number (mm) & length balanced flue kit part number 500mm 1000mm COH110 SPCOHBFIV1 SPCOHBF15E SPCOHBF11E COH180 430mm 930mm COH220 SPCOHVCF2 SPCOHCFM SPCOHCFL COH280 SPCOHVCF3 Calculating Flue Length To calculate the total length of extensions required to go with your vertical flue kit installation, measure the height from the floor to the outside of the roof (H) then subtract the specific model Adjustment Figure (AF) in table above.

  • Page 27: 6:3 Outdoor Flue Kits

    6:3 OUTDOOR FLUE KITS 3. For the 280. a. Using the parts from the Kit, slide the short flue spigot through the stainless steel ring and The kits are to convert the heaters into free stand- caulk it into the heater flue ring with the rope ing outdoor oil heaters.
  • Page 28 General Location of Components To Pool Air Vent Expansion Vessel Bypass Valve Pressure switch Pump From Pool Stop cock Burner Cold water Mains inlet Safety Outlet Oil Filter & line NR Valve Fig. 7:3a COH Oil Pool Heater GB, IE...

  • Page 29: 7:1 General Information

    7: COMMISSIONING For Pool & Space Heating 7:1 GENERAL INFORMATION 1. Fill and flush the pipework and space heating 2. Connect to the Heater and fill the complete It is essential in the interest of Heater efficiency and system using the Filling Loop provided. reliable performance that once the Heater has been 3.

  • Page 30: 7:3 Setting Up The Controls

    7:3 SETTING UP THE CONTROLS Procedure to enter Setup Mode To enter Setup Mode turn both Temperature Control Knobs to OFF. It is recommended that you familiarise yourself with The following must be carried out within 5 seconds. the functions of the Control. These are detailed in 1.

  • Page 31: 7:4 Pressure Switch

    7:4 PRESSURE SWITCH TWO SPEED PUMPS In some cases, the flow on the low speed is insuf- The pressure switch, ensures that the heater oper- ficient to operate the heater. This is apparent when ates only when the filter pump is in operation. It is the pressure switch cannot be further adjusted or if factory set at 0.12 bar (1.75 PSI) for deck level instal- the heater makes banging noises.
  • Page 32 7:7 RECOMMENDED COMMISSIONING CHECK LIST - SHEET 1 OF 2 Customer............Appliance Model.......... Site Address............Serial No............Fuel.............. Tick off each item. Is the oil supply clean and free of water or other contamination? OIL TANK Disconnect oil supply as close to the heater as pos- Is there sufficient oil, and of the correct grade for sible and drain approximately a gallon of oil into a the appliance?
  • Page 33 CASING PANELS Are the electrical connections from the heater Have grommets been fitted to relevant oil supply control panel to the burner correct? entry points? Is the supply fuse correct? Have the grommet cable entry connections been used? Does the wiring comply with the latest IEE Regulations? BURNER Does the power supply cable enter the casing...
  • Page 34 CARRY OUT COMBUSTION CHECKS BY INSERT- 8:1.2 Winterisation ING PROBES INTO SAMPLING POINTS PROVIDED: Provided there is constant mains power and a 9. Balanced flue, - hole provided in outlet end of suitable oil supply to the heater, the controls will terminal.
  • Page 35 BURNER 19. Carry out combustion checks by inserting probes into sampling points provided or at the flue out- 5. Turn off the oil cock and disconnect the flexible oil let. See illustrations of balanced flue kits. On CF hose from the oil cock. Heaters drill a small hole in the flue pipe, but after measurement, plug the hole.

  • Page 36: 8:2 Air Shutter Adjustment

    8:2 AIR SHUTTER ADJUSTMENT · The burner has a fixed air shutter with manual adjustment. · The air setting is set by the manufacturer before despatch but may require fine adjustment on site. · The commissioning data - Section 3:6, gives recommended air shutter adjustment for given output.
  • Page 37 Model 180 Only COH Oil Pool Heater GB, IE...
  • Page 38 Model 220 only Fig 8:3c Model 280 only Fig 8:3d COH Oil Pool Heater GB, IE...
  • Page 39 9: SPARE PARTS 9:1 PARTS See Fig 8:3b for Item Numbers. Item Description Heat Exchanger HE 26451C HE 14551C HE 47651C HE 51351C 1st Baffle SPCOH107 SPCOH042 2 off HE14034C 1 off HE47061 2nd Baffle 2 off unless stated SPCOH109 SPCOH045 HE14035C 3 off SPCOH232...
  • Page 40 ELECTRICAL ASSEMBLY - All Models Item Description All Models High Limit Stat SPCOH015 Control Board SPCOH2/001 Heater & Pool Temperature Sensor SPCOH2/002 Pressure Gauge SPCOH2/003 Control Knob (2 Places, not shown) SPMB3411 Stop Ring (not shown) SPMB515 Bypass valve (not shown) SPCOH034 Reset grommet (not shown)

  • Page 41: 9:3 Burner Parts

    BURNER PARTS Model 110 - 443T58 2908201 Item Code Description Item Code Description 3006556 Cover 3007077 Seal 3002280 Photo electric cell 20031996 Pump 3007708 Electrode assembly 3002279 Coil 3006001 Blast tube 3007169 O - ring 3003602 Connector 3007202 Regulator 3008636 Flange 3007175 O - ring...
  • Page 42 Model 180 - 459T55 2908202 Item Code Description Item Code Description 3005796 Flange 3008935 Cover 3005714 Piston seal 20031996 Pump 3005713 Difusser disc 3007202 Regulator 3002917 Electrode assembly 3020436 Filter - O - ring 3006552 Electrode bracket 3020437 Valve 3005709 Nozzle holder 3007203 Plate...
  • Page 43 Model 220 - 464T55 2908203 Item Code Description Item Code Description 3002280 Photo electric cell 20031996 Pump 3005792 Blast tube assembly 3002279 Coil 3005793 Diffuser disk 3006553 Shell & knob 3005794 Piston seal 3007202 Regulator 3005796 Flange 3020436 Filter - O - ring 3002918 Electrode assembly 3020436...
  • Page 44 Model 280 - 490T51 7893 Item Code Description Item Code Description 20022601 Flexible braided hose 3008637 Flange 20084086 Motor 3002572 Blast Tube Assembly 3008876 Pressure Gauge 3002571 Diffuser Disc 3008961 Tube 3002570 Nozzle Holder 3000443 Joint 3008794 High Voltage Lead 3008648 Coil - Shell &...
  • Page 45 10: FAULT FINDING Relay Outputs LEDs on the Control Board, beside the relays, are directly connected to the relay outputs and show if 10:1 GENERAL there is an output voltage to the Burner, Internal Pump If the Heater fails to start, make the following or Pool Pump.
  • Page 46 Fig 10:2a Table 10:2.1 Control Display in Setup Mode. Setting Heating Knob On or Off Facia Indicator Actual temperature Set temperature e.g. 20 & 70 Heater temperature Factory Setting Alternative Display Units °F = Fahrenheit °C = Centigrade °F or °C Pool / Spar selection PL = Pool SPA = Spar...
  • Page 47 10:3 FAULT FINDING CHART Trouble or Complaint Possible Cause Action 1. Suspect oil supply No oil in tank Check and arrange for tank to be filled if neces- sary. Supply valves closed Open all supply valves Blockage in oil sup- Shut off the burner isolating valve.
  • Page 48 Trouble or Complaint Possible Cause Action 4. Burner starts but This can be due will not light up. either to absence of oil or ignition Pump should be self-venting with two pipe system Oil pump air locked, only. If a one pipe gravity feed is employed it must (repeated air locking be purged through the vent port.
  • Page 49 Trouble or Complaint Possible Cause Action Inspect and reset or remove blockage. 7. Burner pulsates Air shutter setting incorrect (a) continuously. or fan inlet blocked. Grossly oversized nozzle. Check and replace with correct size and type. Air supply inadequate. (see Technical data). Check fan operation and cleanliness.
  • Page 50 Trouble or Complaint Possible Cause Action 12. Oil odours. Leaking joints. Break all leaking joints and re-make. 13. High operating Control stat failed and Replace control stat and reset Limit thermostat. temperature. operating on limit stat. 14. Fumes in Heater Inadequate draught Take necessary corrective action.
  • Page 51 COMMISSIONING RECORD Please complete the following details and bring to the attention of the person responsible for the maintenance of the pool and its equipment. The correct completion of this record shows compliance with building, health, safety and efficiency regulatory requirements. It provides the record for self-certification for OFTEC registered Technicians. Commissioning Engineer: Company Name: Contact Telephone Number:...
  • Page 52 Station Lane Industrial Estate Witney Oxon. Tel. 01993 778855 Fax. 01993 703407...

This manual is also suitable for:

Coh180Coh220Coh280

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