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Heating Solutions Ltd
Unit Heaters
Installation and Commissioning Manual
Models: Elite Pro Unit A/B/C/D 30, 40, 50, 60,
75, 90, 100, 115
Installer:
Please take time to read and understand these
instructions prior to any installation.
Installer must give a copy of this manual to the owner
Owner:
Keep this manual in a safe place in order to provide
your service technician with necessary information
WARNING
FIRE HAZARD
Keep all flammable objects, liquids and vapours the minimum
required clearances to combustibles away from the heater.
Some objects will catch fire or explode when placed close to
the heater.
Failure to follow these instructions can result in death, injury
or property damage
CBT00013-1 Elite Pro Unit Heaters Installation and Maintenance Manual February 2023
Elite Pro EPU Range
Warm Air Unit
Heaters
FOR YOUR SAFETY
If you smell gas:
•
Open windows
•
DO NOT try to light any appliance
•
DO NOT use any telephone in your building
•
Extinguish any open flame
•
Leave the building
•
Immediately call your local fuel supplier after
leaving the building.
•
Follow the fuel supplier's instructions
•
If you cannot reach your fuel supplier, call the
Emergency Services
WARNING
Improper
installation,
adjustment,
maintenance can result in death, injury or property damage.
Read the installation, operation and service manual thoroughly
before installing or servicing this equipment
Installation must be done by a registered installer / contractor
qualified in the installation and service of gas-fired heating
equipment or your gas supplier
Combat Heating Solutions Ltd
Unit 20 Red Mill Trading Estate
Rigby Street
Wednesbury
West Midlands
WS10 0NP
Tel:0121 506 7700
Email: uksales@combat.co.uk
alteration,
service
or
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Related Manuals for COMBAT EPUA30
Summary of Contents for COMBAT EPUA30
- Page 1 Combat Heating Solutions Ltd Unit 20 Red Mill Trading Estate Rigby Street Wednesbury West Midlands WS10 0NP Heating Solutions Ltd Tel:0121 506 7700 Email: uksales@combat.co.uk Elite Pro EPU Range Warm Air Unit Heaters Unit Heaters Installation and Commissioning Manual Models: Elite Pro Unit A/B/C/D 30, 40, 50, 60,...
- Page 2 Heating Solutions Ltd TECHNICAL UPDATES INFORMATION REGARDING UPDATES TO THIS MANUAL ARE LISTED BELOW AND SHOULD BE NOTED BEFORE COMMENCING WITH ANY INSTALLATION WORK. Date of Amendment Version No Page Description CBT0013-4 ELITE PRO UNIT HEATERS INSTALLATION AND SERVICING MANUAL FEBRUARY 2023...
- Page 3 Notified Body: Kiwa Gastec-0558 date 1 and Kiwa Gastec Product Approval Combat Heating Solutions Limited appliances have been tested and UKCA/CE certified as complying with the essential requirements of the Gas Appliance Directive, the Low Voltage Directive, the Electromagnetic Compatibility Directive and the Machinery Directive for use with natural gas when installed, commissioned and maintained in accordance with these instructions.
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Page 4: Table Of Contents
Heating Solutions Ltd Heater Safety Wiring & Electrical Information Manpower Requirements 11.1 Electrical Supply Safety Labels 11.2 Remote Controls Installer Responsibility 11.3 Wiring Diagrams Commissioning Laminated Wall Plate Corrosive Chemicals 12.1 Pre-Checks National Standards 12.2 Gas Supply Clearances to Combustibles 12.3 Mechanical Checks 12.4... -
Page 5: Heater Safety
Heater Safety For additional copies of the Commissioning, Operation and Service Manual, or relevant burner and gas train manuals, please contact Combat Heating Solutions Limited. Email: uksales@combat.co.uk Web: www.combat.co.uk 1. Your Safety is Important to Us! 1.1 Manpower Requirements This symbol is used throughout the manual to notify To prevent personal injury and damage to the heater, a you of possible fire, electrical or burn hazards. -
Page 6: Installer Responsibility
2. Installer Responsibility WARNING To install the heater, as well as the fuel and electrical supplies, in accordance with applicable specifications and regulations. Combat Heating Solutions Limited recommends the installer contact a local building inspector, Fire Officer or insurance company for guidance. -
Page 7: Clearances To Combustibles
Clearances to Combustibles • Keep petrol or other combustible materials including WARNING flammable objects, liquids, dust or vapours away from this heater or any other appliance. • Do not spray aerosols in the vicinity of this appliance • The stated clearances to combustibles represent a surface temperature of 50°C (90°F) above room temperature. - Page 8 Clearances to Combustibles Heating Solutions Ltd Figure 2 Figure 3 3m Clear 0.6m 0.5m 0.5m** Heaters may be mounted at higher level if de-stratification fans and/or downflow heads are installed The heater must always be installed at least 2.5m above the floor. The flue pipe must have clearance from combustibles by 5cm.
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Page 9: Critical Considerations
Critical Considerations 4.1 Ventilation 4.3 Electrical Supply WARNING WARNING CARBON MONOXIDE HAZARD ELECTRICAL SHOCK HAZARD It is important to ensure that there is adequate air circulation Disconnect electric before service. around the heater to supply air for combustion, ventilation and This equipment must be properly earthed. -
Page 10: Specifications
Electrical Flue Outlet Spigot Connection Combustion Air Intake Spigot (Optional Extra) Heater Front View Heater Rear View Heater Side View Dimension data EPUA EPUA30 EPUA40 EPUA50 EPUA60 EPUA75 EPUA90 EPUA100 EPUA115 Width 1077 1077 1511 1511 1758 1758 Height C Depth... -
Page 11: Epub, Epuc & Epud Unit Heaters
Specifications 5.2 EPU Unit Heaters Dimension data EPUB, C & D EPU30 EPU40 EPU50 EPU60 EPU75 EPU90 EPU100 EPU115 EPUB height 1064 1064 1012 1012 EPUB depth 1051 1051 1112 1112 1112 1112 EPUC height TBA* TBA* TBA* TBA* TBA* TBA* TBA* TBA*... -
Page 12: General Technical Data Table
Specifications Heating Solutions Ltd 5.3 EPU Unit Heaters General technical data all EPUA30 EPUA40 EPUA50 EPUA60 EPUA75 EPUA90 EPUA100 EPUA115 models Maximum heat input Gross CV 36.75 48.6 58.3 71.3 85.7 107.7 Maximum heat input 33.10 43.78 48.01 64.23 77.20 97.02... -
Page 13: Heater Installation
Heater Installation 6.1 General WARNING Heaters are designed for installation above 2.5m. These heaters must be installed within the heated space. Duct delivery systems are not permitted with axial fans. When handling or supporting the heater from below, ensure that the weight is taken at the support points. - Page 14 Heater Installation Heating Solutions Ltd M10 THREADED ROD M10 LOCKING NUT ENSURE ALL SUSPENSION M10 NUT HARDWARE IS TORQUED M10 WASHERS TO A MINIMUM OF 27Nm 1X INTERNAL 1X ON UNDERSIDE M10 NUT UNI-STRUT M10 LOCKING NUT M10 THREADED ROD CONE POINT PIN M10 LOCK NUT TOP OF HEATER...
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Page 15: Flue Installation
Flue Installation 7.1 Flue Installation 7.3 Type B Appliance - Open Flue The flue must terminate outside of the building. Flues The flue must terminate outside the building and be and air intakes must be a fully sealed system and fitted with a low resistance terminal. - Page 16 Flue Installation Heating Solutions Ltd Figure 7 Open Flue Terminal Masterflash Flue sleeve by others, see flue installation section Roof Wall Vertical Flue Arrangement Flue Lengths Horizontal Flue Arrangement Open Flue Terminal Masterflash Flue sleeve by others, see flue installation section Note: Models Flue...
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Page 17: Air Supply
Air Supply 8.3 Building Ventilation 8.1 Room Sealed Installation Where ventilation is required, air must be taken from an When installed as a room sealed heater, the air for outside point where it is not likely to be contaminated combustion is drawn in from outside the building. It is or obstructed. -
Page 18: Optional Configurations
Optional Configurations Heating Solutions Ltd 9.2 EPUD Heaters or EPUD heaters 9.1 Distribution Ductwork for EPUB, C, D Heaters It is essential that the airflow in the duct system is EPUC heaters have the fans enclosed so that the at least that specified in the Data Sheet on Page 10 heater may be connected to inlet/outlet ducting. -
Page 19: Gas Pipework
Gas Pipe 10.1 Connections IMPORTANT – The complete installation must be It is important that the gas supply pipe and the electrical purged and tested for soundness in accordance with connections do not support any of the heater’s weight. local and national regulations. A gas meter is connected to the service pipe by the Check the pipe and all fittings for leaks before placing gas supply company. -
Page 20: Wiring & Electrical Information
11.2.2 Positioning Room Thermostats or Combat connection diagram 11.3 page 21. Control A room thermostat or Combat control should be mounted on a wall or column at a height of approximately 1.5 meters from the floor to measure the ambient temperature. It should be clear of both cold draughts and the direct path of warm air from the heater. -
Page 21: Wiring Diagrams
FROST STAT COMBUSTION GAS VALVE CON6 CON28 CON32-CON36 CON19 CON16 CON18 230v LV Circuit Chimney FUSIBLE 4A Coil COMBAT P25 PRO MOD PCB KEEP O/H O/T SEGREGATED Modbus DIPS 24v ELV Circuit Links CON27 CON26 CON25 CON24 CON22 CON23 CON17... - Page 22 Heating Solutions Ltd 11.4 Wiring Diagrams EPUB - EPUC-EPUD COMBUSTION Relay fitted to double axial fan units and B,C models 230 V 50 HZ AC SUPPLY only LINE 230V GNYE EARTH NEUTRAL THERMOSTAT Circulation FAN 1 GAS VALVE SPARK/DETECTION ELECTRODE Circulation FAN 2 if applicable CON19 CON20...
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Page 23: Commissioning
Commissioning On heat demand: 12.1 Pre-Commission Checks When the thermostat contacts are closed, and the All pre-commission checks must be carried out before control is not in a lock-out condition the programmed lighting the heater. Ensure that the heater and all controls are suitable for sequence commences. -
Page 24: Combustion Testing
Commissioning Heating Solutions Ltd 12.5 Combustion Testing Heat Demand Initiatied Combustion fan runs at PRE PURGE parameter time does not begin PURGE FANSPEED until the combustion fan speed reaches the parameter for PRE PURGRE FAN SPEED parameter the FAN PURGE parameter time SPEED TOL. -
Page 25: Turning Off The Heater
Commissioning 12.5 Combustion Testing, Gas Rate and Inlet 12.5.4 Turning Off the Heater working Pressure Remove the test jumper on Con 30 and place in the To ensure the unit is running at either maximum or park position, ensuring the external controls are in the minimum burner modulation, it can be placed in off position, the main burner will stop. - Page 26 Commissioning Heating Solutions Ltd Test Mode Test jumper placed in high fire position 30 minute time out starts Pre-purge Ignition, Flame detection. Combustion fan forced to maximum set parameter Distribution fan on delay timer. Distribution fan runs as per parameter table Has 30 minute time out time ended...
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Page 27: User Instructions
User Instructions 13.1 User Instructions 13.4.2 Turning Off the Heater The Elite Pro Unit Heater is fully automatic and operated Set the installed remote controls to the “OFF” from the external controls fitted on site. The only user position. The burner will turn off automatically. control at the heater is the: Burner Lockout Reset The fan will continue to run for a few minutes. -
Page 28: Servicing
Clean off any deposits which supplied by Combat Heating Solutions Limited and may have been formed, check the condition of conform to all requirements set forth in the Combat ceramic insulators. Replace as necessary manuals and all applicable governmental authorities pertaining to the installation, service, operation and 14.3 Fan/Motor Assembly... - Page 29 Air distribution fan manual. Product safety signs or labels should be replaced by the product user when they are Safety labels no longer legible. Please contact Combat Heating Solutions Limited or your Combat independent distributor to obtain replacement signs or labels.
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Page 30: Combustion Fan
Fault Finding Heating Solutions Ltd 15.1 General To assist fault finding the unit is equipped with a diagnostic function. The Red LED on the side of the unit will blink to indicate the status of the control as per the Status Indication table Figure 15.1.1 ❶... - Page 31 Fault Finding ❾ ❼ ❻ Figure 15.1.3 Figure 15.1.4 Figure 15.1.5 Combustion fan Combustion fan tacho Outlet NTC sensor minimum speed loss error error error Error Code: Error Code: Error Code:FAN FAN NO TACHO SAFETY SENSE1 MOD RATE Tacho signal (A Fan) from The outlet is monitored Combustion fan speed falls...
- Page 32 Ensure both gas and electrical supplies are correctly isolated before attempting to remove the gas valve. The Gas valve is Factory set by Combat Heating Solutions and should not be adjusted. Replace in reverse order. Verify that the gas flow direction of the valve is correct.
- Page 33 Removal & Replacement of Parts Burner and controls layout models 75-115 Inlet pressure test point Inlet pressure test point Short Spares List Description Gas valve 90034100 90034100 90034100 90034100 90034102 90034102 90034102 90034102 90434102- 90434102- 90434102- 90434102- 90434102- 90434102- 90434102- 90434102- Ignition control 30BG/CG...
- Page 34 Removal & Replacement of Parts Heating Solutions Ltd 16.2 Ignition Electrode To replace the Ignition/Detection electrode remove 7mm +/- 1.0mm the burner gas valve assembly and the access cover. Disconnect the HT cable and remove the 2 fixing screws through the access holes. Withdraw the Electrode through the access cover.
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Page 35: Removal & Replacement Of Parts
Strictly comply with the colour code of the fan wires to ensure correct operation. • Use only genuine replacement parts sold and supplied by Combat Heating Solutions Limited. • The three-speed winding connections are: To replace the fan assembly, reverse the procedure •... - Page 36 Axial fan Axial fan Axial fan EUA models 500mm 500mm 550mm 550mm 500mm 500mm 550mm 550mm Combat P/n 90776001-P 90776001-P 90776000-P 90776001-P 90776001-P 90776001-P 90776000-P 90776000-P Quantity Fan rating (Watts per fan) Centrifugal fan Torin Torin Torin Torin Torin Torin...
- Page 37 Notes...
- Page 38 Notes CBT0013-4 ELITE PRO UNIT HEATERS INSTALLATION AND SERVICING MANUAL FEBRUARY 2023...
- Page 39 Notes...
- Page 40 Installation Code and Annual Inspections: All installations and service of Combat equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Combat HEATING SOLUTIONS Limited and conform to all requirements set forth in the Combat manuals and all applicable governmental authorities pertaining to the installation, service and operation of the equipment.