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

Indirect oil fired pool & spa heaters
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Operating, Installation and Servicing Instructions for
Indirect oil fired pool & spa heaters
Models: COH110, COH180, COH220, COH280
WARNING: If the information in these instructions are not followed exactly, a fire
or explosion may result causing property damage, personal injury or death.
Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this
or any other appliance.
THIS APPLIANCE MUST BE INSTALLED:-
•
By a competent person.
•
In accordance with the rules in force.
•
in accordance with these operating, installation and servicing instructions.
•
In open air or in a room which is separated from living rooms and provided with ap-
propriate ventilation ventilation directly to the outside.
READ THESE INSTRUCTIONS BEFORE INSTALLING AND OPERATING THIS APPLIANCE
M3491C

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  • Page 1 Operating, Installation and Servicing Instructions for Indirect oil fired pool & spa heaters Models: COH110, COH180, COH220, COH280 WARNING: If the information in these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
  • Page 2 HEALTH AND SAFETY INFORMATION FOR THE INSTALLER AND SERVICE ENGINEER. Under the Consumer Protection Act 1987 and the Health and Safety at Work Act 1974, it is a requirement to provide information on substances hazardous to health (COSHH Regulations 1988). The Company takes every reasonable care to ensure that these products are designed and constructed to meet these general safety requirements, when properly used and installed.

  • Page 3: Table Of Contents

    CONTENTS SECTION 5 - FLUES SECTION 1 - USER INSTRUCTIONS Conventional Flues Safety Notes Air Supply Air Supply Balanced Flue Heaters Connections Balanced Flue Terminals Installation & Commissioning Terminal Guards Quick Start Positioning the Heater Summary of Controls Re-pressurising Running the Pool Pump SECTION 6 - BALANCED FLUE INSTALLATION Switching off, temporarily 1:10 Switching off for the winter...

  • Page 4: 1:4 Installation & Commissioning 5:4

    If any part of the Heater or its flue is modified then the 1: USER INSTRUCTIONS guarantee will be invalidated. 1:1 Important Safety Notes 1:4 Installation & Commissioning To obtain the best possible performance and trouble free After your Heater has been installed it MUST be com- operation from your Heater, it is important that you read missioned preferably by an OFTEC*.

  • Page 5: 1:7 Re-Pressurising

    (NOTE: The Heater is delivered set to display in Fahr- Lockout - Oil? LED - RED enheit. For a Centigrade display, see 7:3 Commission- On - Lockout - Oil? - This indicates that the burner can- ing Section of Installation Instructions) not fire, the probable cause is lack of fuel oil.

  • 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 Switching the Heater Off - 1:11 Oil Delivery temporarily Always ensure the tank is topped up at regular intervals The Heater may be stopped by turning the Pool Tem- rather than wait till it is nearly empty.

  • Page 7: 1:12 Maintenance 6:2

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

  • Page 8: 2:1 Introduction 7:1

    2: GENERAL INFORMATION The horizontal terminals are designed to avoid the pos- 2:1 INTRODUCTION sibility of staining outer walls through which they pass. 2:4 COMMISSIONING This Manual covers Operation, Installation, Commission- ing and Maintenance of the Oil Fired Pool Heaters. It is essential in the interest of Heater efficiency and The Pool Heaters are :- reliable performance that once the Heater has been in-...

  • 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 Class D (Gas Oil) The Pool Heaters will burn liquid fuels complying with BS2869 Part 2 1988 Classes C2 and D as specified in the All models, can be adapted to burn Class D Gas Oil.
  • Page 10 3:5 DIMENSIONS Flue Centre Line Fig 3:5a Height Depth Widths Service Clearances Model Flue Int’ Pool Water Weight Dia. Pump Connection Content Empty kg Speed litres 1000 1000 1100 G2/W3 310** *Conventional flue sizes ** G = Grundfos, W = Wilo 3:6 COMMISSIONING DATA 3:6.1 Class C2 Kerosine Oil, Riello Burner.
  • Page 11 3:6.2 Class D, Gas Oil NOTE: Low Level discharge is NOT allowed Model Output Burner Nozzle Pump Firing Smoke Flue Gas ² US/GPH Pressure Shutter Rate l/h +/-0.5% Btu/h Type Head / Angle Approx x 1000 Setting TempºC 26.4 443T58 Fixed 0.75x60W 2.88...

  • Page 12: 4:3 Installation Wiring 9:2

    The designs below are in order of preference, the CCP02 being the easiest, quickest and most comprehen- sive 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: 4:5 Siting & Positioning

    Non return valve Non return valve Zone Valve Heater Expansion Heater Expansion Vessel Heater Expansion Vessel Vessel 4 litres 4 litres 4 litres Pump Pump Pump Expansion vessel Expansion vessel Heater Heater Heater Second water 2 water heat exchanger with Aquastat or similar 3 Way Valve Pool Plus Heating Pool Plus Spa...

  • Page 14: 4:8 Oil Supply 10:1

    It should be completed with the following: The valve must be fitted external to the Heater, preferably at point where the Oil Pipe enters the building. The sensor Sludge Cock - on steel tanks. should be located above the Burner in the clip provided, Outlet Valve.
  • Page 15 Fig 4:9b Reillo bypass adjustment COH Oil Pool Heater GB, IE...
  • Page 16 4:7.6 Water Separator Oil Filter 4:8 OIL BURNER A Water Separator For Gas Oil is recommended (part No. The Burner manufacturers’ Technical Leaflet is supplied BS03052). with this manual and provides supplementary informa- tion not included in this manual. 4:7.7 Flexible Oil Pipes 4:8.1 Burner Pump for Two Pipe System The Flexible Oil Pipe is fitted inside the Heater casing and is of adequate length to enable the Burner to be removed...
  • Page 17 4:9 SENSOR POSITIONS is inserted into the return port as shown in Fig. 4:9a. ONLY USE SUPPLIED BYPASS SCREW FOR ALLEN KEY The Heater Control Temperature Sensor fits into the right (2.5mm). DO NOT USE SLOTTED SCREW TYPE. hand pocket on the top of the Heater Heat Exchanger. 4:8.2 Burner Pump for Single Pipe System The Limit Stat 8mm Coiled Phial fits into the second pocket on the left hand side on the top of the Heater...
  • 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: Balanced Flue Heaters

    5: FLUES When the Heater is situated in a confined space or chamber 5:1 CONVENTIONAL FLUE (FLUE 4” 5” OR 6”) a permanent adequate supply of air is required for ventilation to prevent over heating. CONVENTIONAL FLUE INSTALLATION ONLY. FOR BALANCED FLUE INSTALLATIONS SEE SECTION 5:3 5:2.1 Opening Sizes The Heater requires a minimum stable draught of 0.1 mbar The clear opening required for combustion only should be...

  • Page 21: Balanced Flue Terminals

    It is a mandatory requirement that: 6. Position immediately under openable windows. 1. Low level balanced flues are not used for Heaters 7. Care should be taken to ensure that there is clear- operating with gas oil (ClassD fuel). ance between the outer surface of the flue and any 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 Below a Gutter, Sanitary Pipework or Eaves 600* From an Internal Corner Above Ground From a surface facing a Terminal 2000 From a Terminal facing a Terminal...

  • Page 23: General Information

    6: BALANCED FLUE INSTALLATION GENERAL INFORMATION MODEL A(mm) B(mm) 6:2 HORIZONTAL BALANCED FLUE INSTALLATION 175+ 6:2.1 Model 110, 180 and 220 Only Read these instructions before assembling the flue. Site Conditions will dictate the best method. 200+ Assembly 225+ 1. Mark Flue Position, (See Fig. 6:2a), and knock out hole in the wall with 10mm clearance.
  • Page 24 REAR LEFT RIGHT Service clearance SIDE VIEW PLAN VIEW Allow 10mm clearance around flue to brickwork 1320 Fig 6:2a 175+ 200+ 225+ Model L, Length range mm Part No Description Rear Right Left 254 - 457 254 - 457 SPCOHBF1 Standard 110 Balanced Flue 457 - 864 457 - 864...
  • Page 25 For a horizontal section. 13. Seal to the wall around the Air Duct using silicone sealant. 12. Take the Elbow section and fit a small sealing Alternative Method, with Heater in position. Not ring to each end. Lubricate with detergent and recommended for Rear Flue ensure that the flue exhaust seal is fitted to the 14.
  • Page 26 6:3 VERTICAL BALANCED FLUE All Models Maximum floor to Rain Cap height is 6000 mm. Model Flue Kit Short Extension Long Extension Adjustment SPCOHBFIV1 SPCOHBFV15E (500 mm) SPCOHBFV11E (1000 mm) SPCOHBFIV1 SPCOHBFV15E (500 mm) SPCOHBFV11E (1000 mm) SPCOHBFIV2 SPCOHBFV25E (460 mm) SPCOHBFV21E (870 mm) SPCOHBFIV3 SPCOHBFV25E (460 mm)
  • Page 27 Distance from Ridge not relevant. No Joints SHOULD BE SUITABILY SUPPORTED Fig. 6:3b 6:4 OUTDOOR FLUE KITS e. Fit the Base to the Rear Top Panel and fix with The kits are to convert the Pool Heaters into free stand- four retained Nuts and Bolts.

  • Page 28: Pressure Switch

    Short Flue Spigot Sealant Locations Fixing Locations 280 Only Fig. 6:4b One Screw Retaining Bracket on the front of the Base Flue Top. Stainless Ring Door secur- ing screw. One Screw Fig. 6:4a Silicone Sealant Fig. 6:4c General Location of Components To Pool Air Vent Expansion...
  • Page 29 7: COMMISSIONING heard or vented. 7:1 GENERAL INFORMATION 8. Check that all three Sensors are fully in to their respective pockets. 9. Turn on the oil supply. It is essential in the interest of Heater efficiency and reli- able performance that once the Heater has been installed For Pool &...
  • Page 30 7:3 SETTING UP THE CONTROLS Procedure to enter Setup Mode To enter Setup Mode turn both Temperature Control It is recommended that you familiarise yourself with Knobs to OFF. the functions of the Control. These are detailed in the The following must be carried out within 5 seconds. User Instructions, Section 1:6 and the Heater Control, 1.
  • Page 31 7:4 PRESSURE SWITCH TWO SPEED PUMPS The pressure switch, ensures that the heater operates In some cases, the flow on the low speed is insufficient only when the filter pump is in operation. It is factory to operate the heater. This is apparent when the pres- set at 0.12 bar (1.75 PSI) for deck level installations.
  • 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 a filter fitted? (correct way round)· Is the oil line con- nected to the correct inlet connection of the pump? OIL TANK •...

  • Page 33: Commissioning Tests

    • Has the Heater been filled with mains water and the ELECTRICAL POWER SUPPLY Filling Loop been removed? · Is the electrical supply to the appliance appropriate? • Have the Pool water connections been made to the · Are the electrical input connections to the control correct fittings? panel correct? CASING PANELS...
  • Page 34 · If the burner locks out during the ignition attempt, Check the commissioning list if it is your first attendance wait 45 seconds before pressing the reset button on to the appliance. Is there a reason why the Heater might the control box.
  • Page 35 FILTERS · Once the burner is firing check and if necessary adjust the oil pressure. · Inspect and clean all oil filters. Change paper elements for new. · Carry out combustion checks by inserting probes into sampling points provided or at the flue outlet. See BURNER illustrations of balanced flue kits.
  • Page 36 8:2 AIR SHUTTER ADJUSTMENT · The Burner has a fixed Air Shutter with manual adjust- ment. · The Air Setting is set by the Manufacturer before despatch but may require fine adjustment on site. · The Commissioning Data - Section 3:6, gives recom- mended 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: Spare Parts

    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 Boiler & 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: Burner Parts

    BURNER PARTS Model 110 - 443T58 COH Oil Pool Heater GB, IE...
  • Page 42 Model 180 - 459T55 3007713 COH Oil Pool Heater GB, IE...
  • Page 43 Model 220 - 464T55 3007708 COH Oil Pool Heater GB, IE...
  • Page 44 Model 280 - 490T51 Item Code Description Item Code Description 3005720 Flixible 3008637 Flange 3008964 Motor 3002572 Blast Tube Assembly 3008876 Pressure Gauge connector 3002571 Diffuser Disc 3008961 Tube 3002570 Nozzle Holder 3000443 Joint 3008794 High Voltage Lead 3008648 Coil 3008957 Collar 3008851...
  • Page 45 10: FAULT FINDING Relay Outputs LEDs on the Control Board, beside the relays, are directly con- 10:1 GENERAL nected to the relay outputs and show if If the Heater fails to start, make the following checks. there is an output voltage to the Burner, Internal Pump 1.
  • Page 46 Fig 10:2a Table 10:2.1 Control Display in Setup Mode. Setting Heating Knob On or Off Fascia Indicator Heater temperature * Actual temperature Set Temperature e.g. 20 & 70 Factory setting Alternative Display units °F = Fahrenheit °C = Centigrade °F or °C Priority P = Pool H = Heating...
  • 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 mainte- nance of the pool and its equipment. The correct completion of this record shows compliance with building, health, safety and efficiency regulatory requirements.
  • Page 52 Station Lane Industrial Estate Witney Oxon. Tel. 01993 778855 Fax. 01993 703407...

This manual is also suitable for:

Coh220Coh180Coh280

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