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Space-Ray LRDL25 Installation And Operation Instructions Manual

Double linear overhead radiant tube heaters
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INSTALLATION AND OPERATION INSTRUCTIONS
Single Stage Pull Through System (Negative Pressure)
OWNER / INSTALLER: For your safety this manual must be carefully and thoroughly read and understood before
installing, operating or servicing this heater. This heater is intended for use with either Natural Gas or Propane
Gas. It must be installed by a qualified service person or a licensed contractor in accordance with state and local
codes.
▲WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage,
injury or death. Read the installation, operation and maintenance instructions thoroughly before installing or
servicing this equipment. For assistance or additional information, consult a qualified installer, service agency or
the gas supplier.
INSPECT all combustion air openings into the building and, if necessary, clear if they become blocked.
INSPECT
INSPECT
INSPECT
FOR YOUR SAFETY: If the heater is installed without a flue, exhaust fans MUST
FOR YOUR SAFETY:
FOR YOUR SAFETY:
FOR YOUR SAFETY:
cycle when heaters are operating to avoid a high concentration of carbon monoxide. When used without fresh
air, this heater may give off carbon monoxide, an odorless and poisonous gas. CARBON MONOXIDE POISONING
MAY LEAD TO DEATH. Early signs of carbon monoxide poisoning resemble the flue with headaches, dizziness and
MAY LEAD TO DEATH
MAY LEAD TO DEATH
MAY LEAD TO DEATH
nausea. If you experience these signs, GET FRESH AIR IMMEDIATELY!
possible and check the ventilation into the building.
!INSTALLER: This manual is the property of the owner. Please present this manual to the owner when you leave
the job site.
IF YOU SMELL GAS:
! ! ! ! DO NOT
DO NOT try to light any appliance.
DO NOT
DO NOT
! ! ! ! DO NOT
DO NOT
DO NOT touch any electrical switch; DO NOT
DO NOT
telephone in your building.
! ! ! ! IMMEDIATELY
IMMEDIATELY
IMMEDIATELY call your gas supplier from a neighbor's
IMMEDIATELY
telephone. Follow the gas supplier's instructions. If you
cannot reach your gas supplier, call the fire department.
!IMPORTANT: SAVE THIS MANUAL FOR FUTURE REFERENCE.
!IMPORTANT:
!IMPORTANT:
!IMPORTANT:
Phone 01473 830551 Fax: 01473 832055 E-mail:
Double Linear
OVERHEAD RADIANT TUBE HEATERS
Models:
LRDL15, LRDL25, LRDL30, LRDL35, LRDL40, LRDL45
GET FRESH AIR IMMEDIATELY! Have the heaters serviced as soon as
GET FRESH AIR IMMEDIATELY!
GET FRESH AIR IMMEDIATELY!
FOR YOUR SAFETY Y Y Y
FOR YOUR SAFET
FOR YOUR SAFET
FOR YOUR SAFET
DO NOT use any
DO NOT
DO NOT
SAVE THIS MANUAL FOR FUTURE REFERENCE.
SAVE THIS MANUAL FOR FUTURE REFERENCE.
SAVE THIS MANUAL FOR FUTURE REFERENCE.
Gas Fired Products (UK) Ltd.
Gas Fired Products (UK) Ltd.
Gas Fired Products (UK) Ltd.
Gas Fired Products (UK) Ltd.
Chapel Lane, Claydon, Ipswich, Suffolk IP6 0JL, England
MUST be operating on an appropriate
MUST
MUST
CARBON MONOXIDE POISONING
CARBON MONOXIDE POISONING
CARBON MONOXIDE POISONING
DO NOT store or use gasoline or other
DO NOT
store or use gasoline or other
DO NOT
DO NOT
store or use gasoline or other
store or use gasoline or other
flammable vapors and liquids in the vicinity of
flammable vapors and liquids in the vicinity of
flammable vapors and liquids in the vicinity of
flammable vapors and liquids in the vicinity of
this or any other appliance.
this or any other appliance.
this or any other appliance.
this or any other appliance.
info@spaceray.co.uk www.spaceray.com.uk
Form #44201117
Dec 2015
Dec
Dec
Dec
2015 rev A
2015
2015
rev A
rev A
rev A

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Summary of Contents for Space-Ray LRDL25

  • Page 1 Double Linear OVERHEAD RADIANT TUBE HEATERS Models: LRDL15, LRDL25, LRDL30, LRDL35, LRDL40, LRDL45 Single Stage Pull Through System (Negative Pressure) OWNER / INSTALLER: For your safety this manual must be carefully and thoroughly read and understood before installing, operating or servicing this heater. This heater is intended for use with either Natural Gas or Propane Gas.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SECTION DESCRIPTION PAGE 1.0) Safety ..............................2 2.0) Installer Responsibility ........................2 3.0) General Information .......................... 2 4.0) Minimum Clearances to Combustibles................... 4 5.0) Specifications (per each linear section) ..................5 6.0) Packing List ............................7 7.0) Dimensions –...

  • Page 3: Safety

    1.0) SAFETY This heater is a self-contained infrared radiant tube heater. Safety information required during installation and operation of this heater is provided in this manual and the labels on the product. The installation, service and maintenance of this heater must be performed by a contractor qualified in the installation and service of gas fired heating equipment.
  • Page 4 Although these heaters may be used in many applications other than space heating (e.g., process heating), Space-Ray will not recognize the warranty for any use other than space heating. This heater is not an explosion proof heater.

  • Page 5: Minimum Clearances To Combustibles

    4.0) MINIMUM CLEARANCES TO COMBUSTIBLES Minimum clearances to combustibles shall be measured from the outer surfaces as shown in the following diagram: Fig. Fig. Fig. Fig. 2 2 2 2 ABOVE (CEILING) ABOVE (CEILING) FRONT SIDE SID E REAR BELOW BELOW Table 1 MINIMUM CLEARA...

  • Page 6: Specifications (Per Each Linear Section)

    Burner Baffle Plate PN 4260360D PN 4260360D Fan Air Restrictor Plate PN 42603618D PN 42603618D Electrical Supply 230V~50Hz 125W Fuse Externally Dimensions LRDL25: 19.802m x 0.34m Weight LRDL25: 92kg Gas Connection R - ½ Flue Size Ø150mm Table 4 MODEL LRDL30-N...
  • Page 7 Table 5 MODEL LRDL35-N LRDL35-L Heat Input 2 x 34.5 kW Hs 31.1 kW Hi Appliance Type (II A2, B 2H3P Appliance Category 2H3P Adjusted for 2H G20 20mbar 3P G31 37mbar Setting Pressure 12.5mbar 25mbar Injector No. 15 Ø3.1mm Burner Baffle Plate PN 42760360E PN 42760360E...

  • Page 8: Packing List

    6.0) PACKING LIST LRDL15/25 The appliances are supplied as follows:- Table 9 PART NO. MODEL LRDL15 LRDL25 Carton (containing the following) Fastenings Pack Burner Box Assembly 44438050 Fan – #DSF133-042 – (Ø 76.2) 44438520 Fan – #52BTFR – (Ø 76.2)
  • Page 9 LRDL30/35 LRDL40/45 The appliances are supplied as follows:- Table 10 PART NO. MODEL LRDL30 LRDL35 LRDL40 LRDL45 Carton (containing the following) Fastenings Pack Burner Box Assembly 44438530 Fan – #52BTFR – (Ø 101.6) 44438540 Fan – #52BTFR – (Ø 101.6) 44438250 Fan - #DRV-146 - (Ø...

  • Page 10: Dimensions - Linear Tube Configurations

    7.0) DIMENSIONS – LINEAR TUBE CONFIGURATIONS Fig. Fig. Fig. Fig. 5 5 5 5 Form #44201117 Dec 2015 rev A...

  • Page 11: Heater Assembly Overview - Linear Tube Configurations

    7.1) HEATER ASSEMBLY OVERVIEW - LINEAR TUBE CONFIGURATIONS Fig. 6 Fig. 6 Fig. 6 Fig. 6 Form #44201117 -10- Dec 2015 rev A...
  • Page 12 Fig. Fig. Fig. Fig. 6 6 6 6 a a a a Form #44201117 Dec 2015 rev A -11-...
  • Page 13 Fig. Fig. 7 7 7 7 Fig. Fig. Form #44201117 -12- Dec 2015 rev A...
  • Page 14 Fig. Fig. Fig. Fig. 8 8 8 8 Form #44201117 Dec 2015 rev A -13-...

  • Page 15: Typical Suspension Methods

    The appliance should be located with respect to building construction and other equipment to permit access to the appliance for servicing etc. Space-Ray recommends that the body sections be suspended using chains with turnbuckles. This will allow slight adjustments after assembly and heater expansion/ contraction during operation.

  • Page 16: Burner Box Support Details

    Fig. Fig. Fig. Fig. 9 9 9 9 8.1) BURNER BOX SUPPORT DETAILS The burner box must be supported with welded chain (Ø 3mm x 65 links per m) or Ø 8mm min mild steel drop rods and suitable brackets after overall heater suspension is complete. This is to prevent burner from sagging which may cause the tube to burn out.

  • Page 17: Fan Support Details

    8.2) FAN SUPPORT DETAILS The fan assembly must be supported with suitable welded chain chain (Ø 3mm x 65 links per m) or Ø 8mm min mild steel drop rods and suitable brackets after overall heater suspension is complete. Attach the tube hanger clamp (split ring) to the branch outlet of the tee section as shown. Attach the chains or drop rods to the M10 eyebolt of the tube hanger clamp.

  • Page 18: Typical Heater Assembly

    9.0) TYPICAL HEATER ASSEMBLY See heater dimensions and assembly overview (Sections 7 (Sections 7 ) ) ) ) for each L L L L inear model inear model configurations. (Sections 7 (Sections 7 inear model inear model During field assembly of the heater body sections, the recommended procedure is as follows: 1.

  • Page 19: Tube Coupling Details

    9.1) TUBE COUPLING DETAILS Join the tube sections together and secure with tube couplings as described below. Note: The heater tube section should be provided a slope of 0.25 degree up to the fan. MUST MUST 1. Place the compression coupling over the end of the tube. 2.

  • Page 20: Inserting Turbulators

    8. Check to ensure that the hardware is completely closed and the band is seated on the reaction block and interference pins as illustrated above. 9. 9. 9. 9. Once all the heater body sections are attached, make sure that the heater system is sloped up to the fan. If it is not, slight adjustments can be made using the turnbuckles.
  • Page 21 LINEAR MODEL HEATERS Fig. Fig. Fig. Fig. 1 1 1 1 4 4 4 4 Table 11 Linear Model Heaters Linear Model Heaters Linear Model Heaters Linear Model Heaters MODEL MODEL MODEL MODEL Turbulator Sections Turbulator Sections Turbulator Sections Turbulator Sections Fan End Fan End Fan End...

  • Page 22: Attaching Burner Box Assembly

    9.3) ATTACHING BURNER BOX ASSEMBLY Warning: LIGHTS MUST FACE DOWN. Failure to do so will result in overheating the ignition module and will void the warranty. Fig. Fig. Fig. Fig. 15 Fig. 16 Fig. 16 Fig. 16 Fig. 16 Place a Torctite Coupling over the end of the Radiant Tube (refer to Section 9.1 “Tube Coupling Details” “Tube Coupling Details”...

  • Page 23: Attaching Fan Assembly

    9.4) ATTACHING FAN ASSEMBLY Fig. Fig. 17 Fig. Fig. Place a Torctite Coupling over each end of the Radiant Tubes and the ends of the Tee Section. (refer to Section 9.1 “Tube Coupling Details” “Tube Coupling Details”). NOTE: NOTE: Models Models LRDL45 are NOT LRDL45 are NOT equipped with a Torctite Coupling equipped with a Torctite Coupling on...

  • Page 24: Gas Connections And Regulations

    10.0) GAS CONNECTIONS AND REGULATIONS DO NOT IMPORTANT BEFORE CON IMPORTANT BEFORE CONNECTING THE GAS TO THE HEATER NECTING THE GAS TO THE HEATER IMPORTANT BEFORE CON IMPORTANT BEFORE CON NECTING THE GAS TO THE HEATER NECTING THE GAS TO THE HEATER Connect to the supply tank or manifold in accordance with state or local building codes.
  • Page 25 Fig. Fig. Fig. Fig. 19 Fig. Fig. Fig. Fig. 20 INCORRECT POSITIONS WRONG WRONG WRONG WRONG Fig. 21 Fig. 21 Fig. 21 Fig. 21 Radiant tube heaters will expand and contract during operation. Therefore it is essential to provide a flexible metallic hose, which must conform, to national or Local Regulations, to connect the appliance to the gas supply.

  • Page 26: Instructions For Pressure Test Gauge Connection

    11.0) INSTRUCTIONS FOR PRESSURE TEST GAUGE CONNECTION CHECK CHECK CHECK CHECKING ING GAS PRESSURES GAS PRESSURES GAS PRESSURES GAS PRESSURES Switch off the gas and electricity and gas supply to the appliance. Turn off manual shutoff at gas line. Connect a manometer to the test nipple protruding from the rear panel of the Control Box (adjacent to the Air Inlet Adaptor).
  • Page 27 25 mbar Fig. Fig. Fig. Fig. 23 d. Upon obtaining the correct burner setting pressure switch off the electricity supply to the appliance, remove the screwdriver, replace the plug into the upper surface of the control box door and open the door. Remove the manometer tube from the RIGHT (Gas OUT) Control Valve test nipple and screw in the test nipple sealing screw.

  • Page 28: Electrical Connections

    12.0) ELECTRICAL CONNECTIONS ELECTRIC SHOCK HAZARD The electrical wiring to this heater must be installed in accordance with the latest or current National Regulations and any Local Regulations, which apply. Electrical supply 230V~50Hz 230W Current rating 1.1A Fuse externally Both the two Control Boxes and the Fan are operated from the same switching power as indicated in Figure 24 and NOTE: NOTE: NOTE:...
  • Page 29 Multiple Multiple Multiple Multiple Heaters per Thermostat connection diagram Heaters per Thermostat connection diagram Heaters per Thermostat connection diagram Heaters per Thermostat connection diagram F F F F ig. ig. ig. ig. 25 Notes: The method of connection to the electrical supply must facilitate complete isolation and should preferably be via a fused double pole isolator having a constant separation of at least 3mm in all poles and supplying the appliance ONLY.

  • Page 30: Venting And Fresh Air For Combustion

    13.0) VENTING AND FRESH AIR FOR COMBUSTION CARBON MONOXIDE HAZARD These appliances may be installed with an exhaust flue fitted or or or or without an exhaust flue fitted. A. A. A. A. FLUELESS (UNFLUE FLUELESS (UNFLUED) D) D) D) FLUELESS (UNFLUE FLUELESS (UNFLUE The installation room should have a volume of at least 10m...
  • Page 31 VENTILATION BY NATURAL AIR CHANGE VENTILATION BY NATURAL AIR CHANGE VENTILATION BY NATURAL AIR CHANGE VENTILATION BY NATURAL AIR CHANGE Gas-fired radiant heaters may be operated without any special exhaust system if the exhaust gases are discharged to the outside atmosphere by a sufficient natural air change in the installation room. Furthermore, no provision for thermal or mechanical ventilation is required in the following particular cases: Buildings with natural air change greater than 1.5 volumes per hour Buildings with a density of operating heat input not greater than 5W/m...
  • Page 32 Fig. Fig. 27 Fig. Fig. 13.1 Type A Outside (ducted) combustion air Outside (ducted) combustion air Outside (ducted) combustion air Outside (ducted) combustion air supply. supply. supply. supply. When installed in a dusty or polluted atmosphere, the heater should be fitted with a ducted supply of clean fresh air. A length of 100mm flexible ducting should be installed between the Control Box Air Inlet and any rigid ducting and be secured to the Air Inlet with hose clips.

  • Page 33: Heater Operation

    14.0) HEATER OPERATION ELECTRIC SHOCK & EXPLOSION HAZARD 14.1) SEQUENCE OF OPERATION The chart below shows the sequence of operation for the normal operating cycle. Fig. Fig. Fig. Fig. 29 If the flame is not sensed during sequence T3 then the heater will go to lockout. It is essential that all new pipework installations are purged and tested for soundness with a suitable leak detection fluid prior to attempting to ignite any appliance.

  • Page 34: Cleaning And Annual Maintenance

    If lockout occurs, switch off the electricity supply to the appliance; wait for 15 seconds before switching on the electricity supply to the appliance to repeat the ignition sequence. h. If the appliance fails to ignite after a second sequence switch off the electrical supply to the appliance and call the service engineer.
  • Page 35 Gas lines: Gas lines: Make sure that the gas lines are not leaking. Check the gas connection to the heater for any signs Gas lines: Gas lines: • • • • of damage, fatigue or corrosion. If there are any signs of damage to the gas connection or leaks found in the gas piping, immediately stop using the heater until the gas pipe and connections have been repaired or replaced.

  • Page 36: Troubleshooting Guide

    16.0) TROUBLESHOOTING GUIDE Form #44201117 Dec 2015 rev A -35-...
  • Page 37 Form #44201117 -36- Dec 2015 rev A...

  • Page 38: Replacing Parts

    17.0) REPLACING PARTS ELECTRIC SHOCK & EXPLOSION HAZARD Only use genuine Space-Ray replacement parts. Parts are available from the factory for replacement by a qualified contractor. Refer to the Replacement Parts Guide in Section 20.0) for all replacement parts. IMPORTANT:...

  • Page 39: Removing Main Burner

    17.2) REMOVING MAIN BURNER Fig. Fig. Fig. Fig. 31 1. Open the control box door; unscrew the two M4 x 25 setscrews from the Burner Bracket and remove the Burner Clamp. 2. Unscrew the Burner from the Injector Fitting 3. Lift the burner out of the Control Box. 4.

  • Page 40: Removing Ignition Control

    17.4) REMOVING IGNITION CONTROL Fig. Fig. 33 Fig. Fig. 1. Disconnect the 12 way Molex electrical connector and the grey HT ignition spark/flame sensor lead from the Ignition Control. 2. Unscrew the screw securing the Ignition Control to the Control Valve. 3.

  • Page 41: Removing Gas Valve And Manifold Assembly

    17.6) REMOVING GAS VALVE AND MANIFOLD ASSEMBLY Fig. Fig. Fig. Fig. 35 1. After opening the control box door, disconnect the 12 way Molex electrical connector. 2. Disconnect the grey HT ignition spark/flame sensor lead from the ignition module. 3. Disconnect the green/yellow wire from the grounding tab of gas valve. 4.

  • Page 42: Removing Air Inlet Plate

    17.8) REMOVING AIR INLET PLATE Fig. Fig. Fig. Fig. 37 1. After opening the control box door, disconnect tubing from both brass pressure test fittings. 2. Remove brass nut from pressure test fitting. 3. Disassemble components from the control box. 17.9) REMOVING THE FAN Fig.

  • Page 43: Conversion Instructions

    18.0) CONVERSION INSTRUCTIONS CONVERSION FROM CAT. 2H (Natural Gas) TO CAT. 3 CONVERSION FROM CAT. 2H (Natural Gas) TO CAT. 3 CONVERSION FROM CAT. 2H (Natural Gas) TO CAT. 3 CONVERSION FROM CAT. 2H (Natural Gas) TO CAT. 3P P P P (LPG) (LPG) (LPG) (LPG)

  • Page 44: Replacement Parts Guide

    20.0) REPLACEMENT PARTS GUIDE The following is a list of replacement parts which may be required during the life of the appliance. CONTROL COMPONENTS CONTROL COMPONENTS CONTROL COMPONENTS CONTROL COMPONENTS Description Description Description Description Item No. Item No. Item No. Item No.
  • Page 45 4262036 Label Neon 4262035 Label, Fan/Power Supply 42604200 Label, Warning - GB/IE 43344120GB Label, Clearances to Combustibles 42848130GB Label, Nameplate 4260440 Label, Operating Instructions - GB 4262000 Label, Space-Ray Logo 44201117 Installation/Operation Manual Form #44201117 -44- Dec 2015 rev A...
  • Page 46 LRDL25 LRDL25 LRDL30 LRDL30 LRDL35 LRDL35 Fan Assembly Fan Assembly Fan Assembly Fan Assembly – – – – Models LRDL25, 30, 35 Models LRDL25, 30, 35 Models LRDL25, 30, 35 Models LRDL25, 30, 35 44438520 44438520 44438520 44438520 44438530 44438530...
  • Page 47 Fan Assembly Part No. Fan Assembly Part No. Fan Assembly Part No. Fan Assembly Part No. LRDL40 LRDL40 LRDL40 LRDL40 LRDL45 LRDL45 LRDL45 LRDL45 4443825 44438250 0 0 0 4443825 4443825 30793000 30793000 30793000 30793000 Fan Assembly Fan Assembly – – – – Models LRDL40, 45 Fan Assembly Fan Assembly Models LRDL40, 45...

This manual is also suitable for:

Lrdl30Lrdl15Lrdl40Lrdl45Lrdl35

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