Powrmatic OUH Series User, Installation & Servicing Manual
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Summary of Contents for Powrmatic OUH Series
- Page 1 Doc Ref: M105 Issue 5.8 Apr 2020 ® User, Installation & Servicing Manual Issue 5.8 Apr 2020 ErP COMPLIANT S E P T E M B E R 2 0 1 8 w w w . p o w r m a t i c . c o . u k...
- Page 2 1. The appliance type and serial number. 2. The original commissioning documentation. As much detail as possible on the fault. 3. Your supplier, or installer, will then contact Powrmatic to make a guarantee claim on your behalf. Conditions of Guarantee 1.
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Page 3: Table Of Contents
35 sec Oil’ or ‘Red Diesel’) and Kerosene to BS2869 Class C2, (also referred to as ‘28 sec Oil’). Powrmatic are not able to confirm the suitability of any alternative blended Industrial Heating Oil (IHO) used to fuel their appliances and as such will affect the warranty on the appliance. -
Page 4: User Instructions
User Instructions Complete step 1 above.. Wait approximately 4-5 minutes If the heater has not been left operational for the main air fan of the heater to stop running and the proceed as follows. turn off the oil supplies and electric supplies to the heater. D) Description of Operation A) Checks before operating the Air Heater... -
Page 5: Introduction
1.1 Introduction The Powrmatic OUH Range is a range of oil fired forced Fuel Types draught, closed flue, fanned circulation air heaters having an output range of 20kW to 60kW . -
Page 6: Duties
• Motor kW, run and start amps apply to standard electrical supply as stated. For optional data contact sales office. * For extended combustion duct lengths please contact Powrmatic page no. 6 of 36 Range Users, Installation & Servicing Instructions Doc Ref M105 issue 5.8 Apr 2020. -
Page 7: Dimensions
DRAWING NUMBER: TA19 9PS. OUH F 20 - Axial Freeblowing Fan Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk This drawing is copyright and the property of POWRMATIC UNSPEC. TOLS. DESCRIPTION: chrisbromfield 02/01/2019 NEW DRAWING ±0.1mm Hole centers LIMITED. -
Page 8: Technical Data
DRAWING NUMBER: TA19 9PS. OUH C 30-45-60 - Centrifugal Fan Unit Tel: 01460 53535 Fax: 01460 52341 Web: www.powrmatic.co.uk E mail: r&d@powrmatic .co.uk This drawing is copyright and the property of POWRMATIC UNSPEC. TOLS. DESCRIPTION: OUH C 60 chrisbromfield 21/12/2018... - Page 9 1.2 Technical Data Riello Burner Settings - 28sec Oil - Kerosene - Net CV (Hi = 47.00MJ/kg) Burner Pump Head Combustion Nominal Nett Flue MODEL Nozzle Type Pressure Setting Temp Danfoss p.s.i. no. (mm) °C 10.0 12.56 84.3 High Fire OUH20 RG1 RKD 0.55Gal 45°...
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Page 10: General Requirements
10mm fixings in the heater. Oil’). (3) All OUH models:- Powrmatic are not able to confirm the suitability of any (a) in all cases, it is important that all supporting alternative blended Industrial Heating Oil (IHO) used to... -
Page 11: Installation
Pipe jointing compounds must be capable of withstanding the solvent action of the fuel oil under Only flue systems supplied through Powrmatic Ltd may all operating temperatures and pressures. Jointing be used with OUH units. Several configurations of flue compounds containing oil shall not be used. - Page 12 1.3 General Requirements combustion air drawn directly from the room and Conversely if the duct system resistance is insufficient, connected to a flue that evacuates the products of then the main fan motor may draw excess current and trip combustion directly from the room additional provision to overload.
- Page 13 1.3 General Requirements heater from other equipment. The openings in the structure of the plant room through which the ducting passes must be fire stopped. Care must be taken to ensure that return-air intakes are kept clear of sources of smells and fumes, and where there is any possibility of pollution of the air by dust, shavings etc., precautions must be taken to prevent contamination.
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Page 14: Fitting The Unit
2.1 Fitting the Unit Front View R/H Side Views Distance from outside of heater to closest obstacle Distance RHS Clearance (when viewed at front of heater) LHS Clearance (when viewed at front of heater) Top of heater 1000 Rear of heater (dependent on flue system) OUH20/30F 2500-3000 Recommended mounting heights (floor level to underside of unit) - Page 15 2.1 Fitting the Unit 2.1.1 Fitting space requirement Raise the heater up to the point of installation using suitable and safe means and connect to the means of The air heater will be delivered to site pallet mounted and suspension. protected by plastic sheeting.
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Page 16: General Identification Of Items
2.1 Fitting the Unit The pump suction should not exceed 0.4 bar. terminated to provide an isolation point that will prevent remote activation of the unit during servicing. See section The oil line must terminate not more than 450mm from 1.2 to ascertain the electrical loading of the unit(s) so the burner with the final connection by the flexible hoses that cables of adequate cross-sectional area are used for... -
Page 17: Fitting The Flue
2.3 Fitting the Flue 2.3.1. General Requirements some condensation in the chimney, particularly at the terminal, is unavoidable and in addition there can also be The minimum distance between surfaces of the flue pipe rain water ingress. and any surfaces made from combustible materials is 300mm. -
Page 18: Electrical Cable Installation
2.4 Electrical Cable Installation 2.4.1. Electrical Connections heater and fan. Refer to supplied wiring diagram. Warning: OUH D models supplied less fan Warning: THIS APPLIANCE MUST BE must be electrically interlocked to the air EARTHED. movement system so that this is started in the same manner as the air heater fan would be. - Page 19 2.4 Electrical Cable Installation 2.4.3. External Wiring The wiring terminals are located under the lid of the electrical box on top of the unit. terminal 1 230V Heat Low Demand terminal 3 230V Main Fan Only Mains input 230V 50Hz 1Ph supply connections are via terminal 4 &...
- Page 20 If a second stage thermostat is fitted for High/Low operation, remove the link that is fitted between terminals 4 & 5. 2.4.6.2. Interconnecting Wiring OUH to Powrmatic MC200 Warning: External controls MUST be powered via heater terminal 10, 11 and Earth page no.
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Page 21: Wiring Diagram
2.5 Wiring Diagrams RIELLO BURNER LIMIT INTERLOCK HIGH LIMIT INDICATOR Cut mode /RESET link 'B' RELAY FAN/LIMIT STAT 16 17 ºc Do not RELAY remove link 1 2 3 4 5 8 9 10 11 12 13 14 LIVE MAINS SUPPLY EARTH 230v 1ph 50Hz NEUTRAL... -
Page 22: Commissioning And Testing
DO NOT use burner settings from the Checks to ensure electrical safety must be carried out by burner instruction booklet. The burners are a qualified person. specifically adjusted for Powrmatic heaters, only use the settings in these instructions. 2.6.2. Oil Installation 2.6.5.1. Initial Burner Startup This should be commissioned generally in accordance with BS 5410 Part 2 Section 59 Paragraphs 59.1.1.1 to 59.1.1.6... - Page 23 2.6 Commissioning and Testing 2.6.5.2. Final Adjustments Typical Figures: 1. Ensure the oil gauge is connected. Remove the sample Model point cover plug from the outlet flue length and insert a High Fire CO2 12.5 12.5 12.5 12.75 CO2 measuring instrument. FGT (nominal) °C 2.
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Page 24: Servicing
2.6 Commissioning and Testing 2.6.7. Handing over the Air Heater Hand these instructions to the user or purchaser for retention and instruct in the efficient and safe operation of the air heater and associated controls. Adjust the automatic controls to those values required by the User. Finally, advise the user or purchaser that, for continued efficient and safe operation of the air heater, it is important that servicing is carried out annually. - Page 25 (anticlockwise) (may require re-adjust when the nut is locked down). Only parts supplied via or authorised by Powrmatic should be used. A short list of parts and part numbers are detailed in section 3.2 of this manual. If in doubt, please contact Powrmatic.
- Page 26 Head pressure is achieved by adjusting a screw which 4. Remove the four securing bolts/AVM's from the fan moves a regulating rod. A test point on the burner casting back and withdraw the fan assembly. allows reading the air pressure in the combustion head. 5.
- Page 27 5. Reassemble new unit in reverse order referring to the heater wiring diagram to ensure correct wiring as detailed in section 2.5. Fan ON Mechanical Limiter Set Point Release Point Adjuster Set Point Dial Mechanical Limiter Fan OFF Set Point Adjuster Limit Set Point...
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Page 28: Fault Finding
3.1 Fault Finding 3.1.1. Heater General Fault Action 1. Check electrical supply is ON. 2. Check controls are ON or calling for heat. Heater does not turn on 3. Faulty burner control unit. 4. Limit thermostat open circuit/faulty, interlock relay not set/faulty. 5. -
Page 29: List Of Parts
3.2 List of Parts Item Description OUH20 OUH30 OUH45 OUH60 Riello Oil Burner BNR020/030/HILO/OIL BNR045/060/090/HILO/OIL Burner Gasket 141937080 141930806 Nozzle 35 sec 144707500 141522380 141522603 141522612 28 sec 141521014 141522399 141522612 141522619 Oil Filter 141474534 Fire Valve 141474530 Fan & Limit 143000306 Thermostat L4064 Limit Interlock P.C.B. - Page 30 3.2 List of Parts Item Description OUH20 OUH30 OUH45 OUH60 Control Box 141979501 141979502 Photocell 141979531 Electrode 142924310 141979541 Speed Gear Pump 141979551 Coil 1 141979561 Coil 2 141979562 Motor 141979571 Fan Impellor 141979581 Capacitor 141979575 Hydraulic Ram 141979591 Main Air Fan 140232010/Z/15 140232003/E/15 140232005/E/15 140232006/E/15 Main Centrifugal 1402CFAN280/T/15 1402CFAN280/T/15 1402CFAN210/T/15 1402CFAN210/T/15...
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Page 31: Oil Conversion
3.3 Oil Conversion 3.3.1. Oil Conversion 6. Fit replacement nozzle, again by holding the base of the nozzle holder with a spanner whilst tightening nozzle. WARNING: Always switch off and disconnect 7. Refit all other components in reverse order. electricity supply and close the oil service 8. - Page 32 3.3 Oil Conversion Riello Burner Settings - 28sec Oil - Kerosene - Net CV (Hi = 47.00MJ/kg) Maximum Pump Suction = 0.4bar Burner Pressure High Fire Low Fire Nozzle part number MODEL Nozzle Type p.s.i. p.s.i. 141521014 OUH20 0.55 x 45°S 10.0 141522399 OUH30...
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Page 33: Appendices
Appendices Information required for ecodesign (ErP) Directive 2009/125 Model Rated Heat Capacity Nett CV 17.5 26.0 37.1 50.9 Low Heat Input Minimum Heat Capacity 16.43 24.22 33.68 45.17 High Fire Useful Efficiency Low Fire High Fire 0.47 0.35 0.38 0.60 Low Fire 0.46 0.32... - Page 34 Notes: page no. 34 of 36 Range Users, Installation & Servicing Instructions Doc Ref M105 issue 5.8 Apr 2020.
- Page 35 Notes: page no. 35 of 36 OUH Range Users, Installation & Servicing Instructions Doc Ref M105 issue 5.8 Apr 2020.
- Page 36 Energy Association Powrmatic pursues a policy of continues improvement in both design and performance of its products and therefore reserves the right to change, amend or vary specifications without notice. Whilst the details contained herein are believed to be correct they do not form the basis of any contract and interested parties should contact the Company to confirm whether any material alterations have been made since publication of this brochure.
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