Reznor OUH 100 Installation And Operating Manual Download Page 1 | Manualshive

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OUH

Oil Fired

Unit Heater

WARNINGS

Reznor equipment must be installed and maintained in accordance with the current OFTEC

Regulations for oil fired products. Due account should also be taken of any obligations arising from the Health
and Safety at Works Act 1974 or relevant codes of practice. In addition the installation must be carried out in
accordance with the current IEE wiring regulations (BS 7671), BS 6896:

Industrial & Commercial) and any other relevant British Standards and Codes of Practice by a qualified installer. All
external wiring MUST comply with the current IEE wiring regulations.

Reznor® Is a registered trademark of Nortek Global HVAC, LLC.

INSTALLATION AND OPERATING MANUAL

ErP

2018

Part No. D301030 Issue E

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Summary of Contents for OUH 100

Page 1: ...74 or relevant codes of practice In addition the installation must be carried out in accordance with the current IEE wiring regulations BS 7671 BS 6896 Industrial Commercial and any other relevant Bri...

Page 2: ...s a result of recent changes made to European legislation regarding the specification of class D heating oil to allow for the inclusion of 7 FAME Fatty Acid Methyl Ester i e bio fuel and effective fro...

Page 3: ...Mechanical Ventilation to the Heated Space 16 1 11 2 Heaters Installed within a Plant Room or Enclosure 16 1 11 2 1 Natural Ventilation Openings to Plant Rooms 16 1 11 2 2 Natural Ventilation Opening...

Page 4: ...ommissioning 36 5 Parts Lists 37 6 Fault Finding Guide 39 7 Replacement Parts 42 7 1 Burner 42 7 2 Controller 42 7 3 Electrode Assembly 42 7 4 Nozzle 43 7 5 Photocell 43 7 6 Oil Pump 43 7 7 Contactor...

Page 5: ...ountry of use When installing commissioning and servicing is undertaken on these heaters due care and attention is required to ensure that working at height regulations are adhered to at the mounting...

Page 6: ...ised to read the appropriate sections of the information pack accompanying the heater prior to installation or use The manufacturer supports all new products being supplied to their customers with a c...

Page 7: ...s own individual open flue Each heater is fitted with a forced draught burner which has been test fired and pre set prior to despatch The safety functions of the burner are by way of a fully sequentia...

Page 8: ...e electrical supply If any of these points are not satisfied then contact should be made with the suppliers sales office as soon as possible by telephoning the number shown on the rear page In the cas...

Page 9: ...installation must be carried out in accordance with the current IEE wiring regulations BS 7671 BS 6896 Industrial Commercial and any other relevant British Standards and Codes of Practice by a qualif...

Page 10: ...directing the discharged air directly onto the occupants of the area to be heated On exposed walls heaters should be positioned so as to discharge towards or along the length of the exposed wall In ar...

Page 11: ...ted from the oil 1 9 2 Storage tank An externally painted steel storage tank to BS 799 part 5 1987 or a medium density polyethylene oil tank OFTEC certified to OFS T 100 may be used Local national Eur...

Page 12: ...the tank to the same level as the suction pipe The presence of a tamper proof isolating valve fitted within the return pipe is only required if there is a risk that oil will siphon out of the tank if...

Page 13: ...aration of not less than 3mm as per BS5991 clause 20 2 The Control fuse ratings are detailed on the appliance data plate WARNING Ensure that the electric and oil supplies are turned off before any ele...

Page 14: ...r heater models 30 180 oil lines L metres H m 8mm I D 10mm I D 0 0 35 0 100 0 1 0 30 0 100 0 1 0 25 0 100 0 1 5 20 0 90 0 2 0 15 0 70 0 3 0 8 0 30 0 3 5 6 0 20 0 Pressurised oil feed system Burner oil...

Page 15: ...al ventilation is used it is a requirement that the inlet is of the mechanical type and the outlet is either mechanical or natural 1 11 1 Heaters installed within the heated space Where heaters are in...

Page 16: ...ant room or enclosure may be mechanically ventilated section 1 11 2 3 refers 1 11 2 1 Natural Ventilation Openings to Plant Rooms For plant room applications the minimum free area of ventilation openi...

Page 17: ...d Similarly these intakes must be positioned so as not to draw in odours fumes hazardous vapours or particles 1 13 Flue system WARNING It is essential that the products of combustion are flued to the...

Page 18: ...on process It should terminate in an exposed position so as to allow the escape and dissipation of flue gases without risk of their re entering the property through windows ventilation ports etc The f...

Page 19: ...5 755 17 640 20 36 182 5 340 380 212 139 60 780 1475 895 150 1177 17 640 20 36 170 340 380 212 139 70 780 1475 895 150 1177 17 640 20 36 170 340 380 212 139 90 980 1750 1055 175 1365 17 770 20 36 231...

Page 20: ...380 212 139 729 730 60 780 1475 1175 150 1177 17 640 20 36 170 340 380 212 139 1151 730 70 780 1475 1175 150 1177 17 640 20 36 170 340 380 212 139 1151 730 90 980 1750 1376 175 1365 17 770 20 36 231...

Page 21: ...r 3 68 5 41 6 80 5 64 8 65 Burner Pressure 28s High Fire Psi 160 00 160 00 160 00 160 00 Bar 11 03 11 03 11 03 11 03 Low Fire Psi 100 00 100 100 100 130 00 Bar 6 89 6 89 6 89 6 89 8 96 Burner Pressure...

Page 22: ...EN 50165 Safety of Electrical Equipment BS 5854 Code of Practice Flues Flue Structures BS 799 5 Oil Burning Equipment oil tanks OFTEC OFS T 10 Polyethylene oil storage tanks BS 715 Metal Flue Pipes an...

Page 23: ...locate directly to the four M10 fixings on the heater casing Alternatively OUHA or OUHC units can be mounted on cantilever type wall brackets however consideration must be given to ensure that the br...

Page 24: ...n dermatitis Always ensure that the appropriate personal protective equipment is used 2 7 Electrical Installation connection The Suspended Oil fired Unit Heater range is only available in 230V 50Hz 1P...

Page 25: ...ller 230Vac Hi Low signal Close contacts for Hi Fire Spares Control Panel Terminal Block L1 N2 E3 4 6 9 8 1 5 BN 1 1 5 LB 2 1 5 GN Y 1 5 Y4 1 5 BN5 1 5 BN7 GY BK MCB 16A R1 1 FAN POWER RELAY MCB 6A KF...

Page 26: ...ating signal 230Vac Fan signal 230Vac Power Supply to Controller 230Vac Hi Low signal Close contacts for Hi Fire Spares L1 N2 E3 4 6 9 8 FAN MOTOR 2 M 1 1 5 BN 1 1 5 BL 2 1 5 GN Y 1 5 Y4 1 5 BN5 1 5 B...

Page 27: ...6 for optional NO control panel wiring 9 L1 N2 E3 4 5 6 7 8 10 11 12 Heating signal 230Vac Fan signal 230Vac Power Supply to Controller 230Vac Hi Low signal Close contacts for Hi Fire Spares L1 N2 E3...

Page 28: ...optional SMARTCOM MZ control panel wiring 7365026 for optional NO control panel wiring 9 L1 N2 E3 4 5 6 7 8 10 11 12 Heating signal 230Vac Fan signal 230Vac Power Supply to Controller 230Vac Hi Low si...

Page 29: ...5 OUHE Hi Lo Riello Oil Burner Smartcom MZ Interconnection 230 50 1ph 12 Way Terminal Block In Heater POWER SUPPLY 230V 1 PHASE 50Hz TO BE TAKEN FROM THE SWITCHED SIDE OF A FUSED ISOLATOR THIS WIRING...

Page 30: ...E 50Hz TO BE TAKEN FROM THE SWITCHED SIDE OF A FUSED ISOLATOR THIS WIRING TO BE COMPLETED BY INSTALLER DATE DRAWN TITLE JOB No PP Fens Pool Avenue Brierley Hill West Midlands DY5 1QA Tel 01384 489 700...

Page 31: ...ensure electrical safety and inspect and check the oil installation testing for leaks a Ensure that the electrical supply is turned off b Ensure that the oil supply is turned off c Check that all pane...

Page 32: ...ontinue to fire n Gradually reduce the temperature setting on the room thermostat until the burner shuts down ambient and then gradually increase the temperature setting on the thermostat until heat i...

Page 33: ...is too great the fan can be overloaded Ensure that the running current is as per that stated on the heater data plate Alternatively the static pressure should be measured at the start of the ductwork...

Page 34: ...he heater and can also invalidate any warranty claim 4 1 Planned Servicing In order to maintain the efficient operation of the heater it is recommended that the following planned servicing and prevent...

Page 35: ...this can have an adverse effect upon the efficiency of the heater and reduce the life of the heat exchanger f The heat exchanger and combustion chamber should be visually inspected for signs of splits...

Page 36: ...uld be undertaken to ensure that the air delivery system is in good order that it remains adequately supported and that the various joints are effectively sealed 4 2 8 Report A full and detailed servi...

Page 37: ...27 00 439 27 00 430 27 00 436 27 00 032 Control Box 3001175 3001174 3001174 3001174 3001174 Electrode Assy 3007513 3007495 3007495 3007495 3007495 Photocell 3007839 3007839 3007839 3007839 3007839 Fi...

Page 38: ...stat Gasket 20 45 589 20 45 589 20 45 589 20 45 589 20 45 589 Secondary Limit Thermostat n a 28 16 058 28 16 058 28 16 058 28 16 058 Sight Glass 20 30 151 20 30 151 20 30 151 20 30 151 20 30 151 Heat...

Page 39: ...s correct Check that head of gravity is sufficient Burner starts ignition sequence but fails to light and lockout occurs Check that suction lift is not too great two pipe system Check the bypass plug...

Page 40: ...flame Too much air Poor combustion Fuel feed restricted Inadequate flue draught Adjust air damper Check oil pressure Check for air in fuel line Check air damper Check nozzle Check nozzle Check filter...

Page 41: ...r discharge cool air inlet accordingly Check fan and motor assembly Fan and limit regularly go to overheat Insufficient airflow over the heat exchanger Check for high resistance Check outlet grilles a...

Page 42: ...ent of parts 7 2 Controller Disconnect electrical supply to the heater Open the controls compartment door Remove the oil fired burner cover Remove the screw fixing the controller to the base and withd...

Page 43: ...l Disconnect electrical supply Open the controls compartment door Remove the oil fired burner cover Remove the screw fixing the controller to the base and withdraw controller Withdraw photocell from f...

Page 44: ...nt door The MCB is located on the electrical panel plate situated on the right hand side of the unit Disconnect the two cables from the MCB noting which cables are connected to which terminals The MCB...

Page 45: ...work in and to withdraw the fan blower Disconnect electrical supply Open the controls compartment door Disconnect fan connection to the electrical terminals within the controls compartment Remove the...

Page 46: ...Page 46 Notes...

Page 47: ...mmissioning engineer and not the operator 8 2 Servicing WARNING Servicing must be carried out on a regular basis the maximum interval between services being one year It is a requirement that only suit...

Page 48: ...type supplied Refer to individual controller operating manual b Fan will operate without the burner for the set period of the controller 8 7 Lockout situations If either the burner or the fan and limi...

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