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Roberts Gorden Blackheat BH15UT Installation, Operation & Service Manual

Blackheat vacuum assisted linear, double linear, u-tube, and multi-burner gas fired heating systems
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FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. DO NOT try to light any appliance.
3. DO NOT use electrical switches.
4. DO NOT use any telephone in
your building.
5. Extinguish any open flame.
6. Leave the building.
7. Immediately call your local gas
supplier after leaving the building.
Follow the gas supplier's
instructions.
8. If you cannot reach your gas
supplier, call the Fire Department.
WARNING
Fire Hazard
Keep all flammable objects, liquids and
vapors the minimum required clear-
ances to combustibles away from
heater.
Some objects will catch fire or explode
when placed close to heater.
Failure to follow these instructions can
result in death, injury or property
damage.
WARNING
Improper installation, adjustment, alteration, service
or 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.
© 2012 Roberts-Gordon LLC
U-Tube, and Multi-Burner
Gas Fired Heating Systems
#6399 G
Blackheat
Vacuum Assisted
Linear, Double Linear,
Installation, Operation &
BH15UT
BH15ST
BH20UT
BH20ST
BH25UT/EF
BH25ST/EF
BH30UT/EF
BH30ST/EF
BH35UT/EF
BH35ST/EF
BH40UT/EF
BH40ST/EF
BH45UT/EF
BH45ST/EF
BH50UT/EF
BH50ST/EF
BH55ST
Please take the time to read and understand
these instructions prior to any installation.
Installer must give a copy of this manual to the owner.
Keep this manual in a safe place in order to provide
your serviceman with necessary information.
Roberts-Gordon Europe Limited
Unit A, Kings Hill Business Park
Darlaston Road, Wednesbury
West Midlands WS10 7SH UK
Telephone: +44(0)121 506 7700
Fax: +44(0)121 506 7701
Service Telephone: +44(0)121 506 7709
Service Fax: +44(0)121 506 7702
E-mail: uksales@rg-inc.com
E-mail: export@rg-inc.com
www.robertsgordon.co.uk
www.rg-inc.com
Service Manual
BH30DL
BH40DL
BH50DL/EF
BH60DL/EF
BH70DL/EF
Installer
Owner
Hurll Nu-Way Pty Ltd
14 Aristoc Road
Glen Waverley, Vic 3150
Telephone: 1300 556 380
www.hnw.com.au
Nu-Way Energy [NZ] Pty Ltd
Unit 6, 123 Cryers Road
East Tamaki, NZ
Telephone: +64 9 273 6524
www.nuwayenergy.co.nz
170101AUNZ Rev. A 11/12
®

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  • Page 1 Service Telephone: +44(0)121 506 7709 Unit 6, 123 Cryers Road Service Fax: +44(0)121 506 7702 East Tamaki, NZ E-mail: uksales@rg-inc.com Telephone: +64 9 273 6524 E-mail: export@rg-inc.com www.nuwayenergy.co.nz www.robertsgordon.co.uk #6399 G www.rg-inc.com © 2012 Roberts-Gordon LLC 170101AUNZ Rev. A 11/12...

  • Page 3: Table Of Contents

    All rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping or information storage and retrieval systems - without the written permission of Roberts-Gordon Europe Limited. Printed in U.K.
  • Page 5 TABLE OF FIGURES Figure 1: Side and Back Panel Label Placement ....2 Figure 2: Top Panel Label Placement ......3 Figure 3: Linear & Double Linear, Horizontal Mounts..6 Figure 4: Linear & Double Linear, One Side Reflector ..6 Figure 5: Linear & Double Linear, Two Side Reflectors ...6 Figure 6: Linear &...
  • Page 7 Product Approval ROBERTS GORDON ® appliances have been tested and 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 on natural gas and LPG when installed, commissioned and maintained in accordance with these instructions.

  • Page 8: Section 1: Heater Safety

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL SECTION 1: HEATER SAFETY Your Safety is Important to Us! The heater must be applied and operated under the general concepts of reasonable use and installed using This symbol is used throughout the manual best building practices.

  • Page 9: Figure 2: Top Panel Label Placement

    SECTION 1: H EATER AFETY Figure 2: Top Panel Label Placement Description Part Number Gas Connection Label 91018126 Internal Wiring Label 91031401 3 of 75...

  • Page 10: Section 2: Installer Responsibility

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL SECTION 2: INSTALLER RESPONSIBILITY 2.2 Corrosive Chemicals • To install the heater, as well as the gas and electrical CAUTION supplies, in accordance with applicable specifications and codes. Robert-Gordon Europe Limited recom- mends the installer contact a local Building Inspector or Fire Marshal for guidance.

  • Page 11: Section 3: Clearances To Combustibles

    SECTION 3: C LEARANCES TO OMBUSTIBLES SECTION 3: CLEARANCES TO COMBUSTIBLES • Consult local Building Inspector, Fire Insurance Carrier or other authorities for approval of proposed WARNING installation when there is a possibility of exposure to combustible airborne materials or vapours. •...

  • Page 12: Clearance Data - Linear And Double Linear

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 3.2 Clearance Data - Linear and Double Linear NOTE: 1. All dimensions are from the surfaces of all tubes, couplings, tees, elbows and crosses. 2. Clearances B, C and D can be reduced by 50% after 7500 mm of tubing downstream from the burner.

  • Page 13: Figure 7: Linear & Double Linear, 2 Foot Deco Grille

    SECTION 3: C LEARANCES TO OMBUSTIBLES NOTE: 1. All dimensions are from the surfaces of all tubes, couplings, tees, elbows and crosses. 2. Clearances B, C and D can be reduced by 50% after 7500 mm of tubing downstream from the burner. 3.

  • Page 14: Clearance Data -U Tube

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 3.3 Clearance Data -U Tube NOTE: 1. All dimensions are from the surfaces of all tubes, couplings, tees, elbows and crosses. 2. Clearances B, C and D can be reduced by 50% after 7500 mm of tubing downstream from the burner.

  • Page 15: Figure 15: U-Tube, Opposite 45° Tilt

    SECTION 3: C LEARANCES TO OMBUSTIBLES NOTE: 1. All dimensions are from the surfaces of all tubes, couplings, tees, elbows and crosses. 2. Clearances B, C and D can be reduced by 50% after 7500 mm of tubing downstream from the burner. 3.

  • Page 16: Section 4: Major Component Descriptions

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL SECTION 4: MAJOR COMPONENT DESCRIPTIONS Burner (shown with Tube Reflector Gasket) (Aluminium or Must be installed with the Stainless Steel) flame observation window Alternate overlap as facing down. shown on overview. Minimum overlap is 160 mm.

  • Page 17: Section 5: General Suspension Details

    SECTION 5: G ENERAL USPENSION ETAILS SECTION 5: GENERAL SUSPENSION DETAILS WARNING Severe Injury Hazard Secure burner to burner tube with bolts and lockwashers. Hang heater with materials with a minimum working load of 75 lbs (33 kg). Failure to follow these instructions can result in death, injury or property damage.

  • Page 18: Figure 18: Critical Hanger Placement

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Figure 18: Critical Hanger Placement Typical Suspension Details Screw Hook min. 10 mm Concrete Washer Beam Beam Clamp Locknut Anchor I-Beam I-Beam Washer 10 mm 600 mm Wood minimum* Beam 300 mm minimum* Shackle Turnbuckle (not included)

  • Page 19: Section 6: Linear & Double Linear Heater Installation

    SECTION 6: L & D INEAR OUBLE INEAR EATER NSTALLATION SECTION 6: LINEAR & DOUBLE LINEAR HEATER INSTALLATION The figures in this section provide a general overview of WARNING component placement in a Linear and Double Linear system. The location of some components such as supports and couplings is crucial for proper installation.

  • Page 20: Figure 19: Linear General Assembly Overview

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Figure 19: Linear General Assembly Overview 14 of 75...

  • Page 21: Figure 20: Linear Layout Overview

    SECTION 6: L & D INEAR OUBLE INEAR EATER NSTALLATION Figure 20: Linear Layout Overview LEGEND Burner BH15ST Reflector Tube Tube/Reflector Hanger Coupling Assembly BH20ST BH25ST/EF Assembly Damper Assembly BH30ST/EF BH35ST/EF BH40ST/EF BH45ST/EF BH50ST/EF BH55ST a = reflector width (not shown) - 365 mm e = distance typical between hangers - 3050 mm b = end cap to burner/fan - 50 mm f = burner height - 366 mm...

  • Page 22: Double Linear Standard Parts List

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 6.2 Double Linear Standard Parts List Part No. Description 072XXXXX Burner Assembly (Input and Fuel Varies) 07260002 Fan Package XP2 07260003 Fan Package XP 3 03051100 Burner Tube, 100 mm x 3048 mm 91409408 Tube, 100 mm x 3048 mm S5127W Fan Tube, 100 mm x 3048 mm, with 3048 mm Swirler...

  • Page 23: Figure 21: Double Linear General Assembly Overview

    SECTION 6: L & D INEAR OUBLE INEAR EATER NSTALLATION Figure 21: Double Linear General Assembly Overview 17 of 75...

  • Page 24: Figure 22: Double Linear Layout Overview

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Figure 22: Double Linear Layout Overview LEGEND Burner Reflector Repeated BH30DL Opposite Side Tube Tube/Reflector Hanger Coupling Assembly Assembly Tee Assembly Repeated Opposite Side BH40DL BH50DL/EF BH60DL/EF Repeated BH70DL/EF Opposite Side a = reflector width (not shown) - 365 mm e = distance typical between hangers - 3050 mm b = end cap to burner/fan - 50 mm f = burner height - 366 mm...

  • Page 25: Burner Tube Installation

    SECTION 6: L & D INEAR OUBLE INEAR EATER NSTALLATION Step 6.3 Burner Tube Installation Note: Tubing requires a downward Offset mounting slope of 13 mm per 6000 mm hole must be away from burner. to the top. Bow Shackle Hanger Burner Tube Weld seam...
  • Page 26 ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Step 6.4.1 Coupling and Tube Assembly (Continued) Tighten slide bar as shown below. Drive slide bar until tight. End of slide bar should be within tolerance listed below. ± 50 mm Correct Slide Bar Incorrect Slide Bar dimensions position...

  • Page 27: Tube Clamp Package Installation

    SECTION 6: L & D INEAR OUBLE INEAR EATER NSTALLATION Step 6.5 Tube Clamp Package Installation Note: Tube clamp package should be installed 100 mm from burner tube plate. Other hangers do not need tube clamp Description Part Number packages. Tube Clamp Package 01318901 Tube Clamp...

  • Page 28: Reflector Installation

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Step 6.6 Reflector Installation WARNING Fire Hazard Support reflector with reflector hanger and support strap. Reflector must not touch tube. Failure to follow these instructions can result in death, injury or property damage. Hanger Burner Tube Reflector...
  • Page 29 SECTION 6: L & D INEAR OUBLE INEAR EATER NSTALLATION Step 6.6.1 Reflector, U-Clip and Reflector Support Installation The pictorial drawings of the heater construction in supports are used. The positioning of reflector supports Section 6 are schematic only and provide a general and U-clips depend on the individual installation.

  • Page 30: Double Linear Tee Installation (For Double Linear Heaters Only)

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Step 6.7 Double Linear Tee Installation (for double linear heaters only) Fan Tube Weld Spot Coupling Coupling Weld Spot Description Part Number 01330203 Fan Tube S51XXW Fan Tube Coupling 01329600 Slide Bar/Coupling Lock 01329700 Tube/Reflector Hanger 03090100...

  • Page 31: Section 7: U-Tube Heater Installation

    SECTION 7: U-T EATER NSTALLATION SECTION 7: U-TUBE HEATER INSTALLATION The figures in this section provide a general overview of WARNING component placement in a BLACKHEAT U-tube system. ® The location of some components such as supports and couplings is crucial for proper installation. Assemble the heater components as shown on Page 27 , Figure 23.
  • Page 32 ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Part No. Description 94320812 Screw #8 x 3/4 (3.9 mm x 19 mm), (goes with 03050000) S7199K Damper Flange Assembly (For use on Multiburner Systems) 1 Per Heater *PVC coating must be removed prior to installation. **Some models may receive S-hooks (P/N 91907302) or spring hooks (P/N 91903300), rather than bow shackles 26 of 75...

  • Page 33: Figure 23: U-Tube Assembly Overview

    SECTION 7: U-T EATER NSTALLATION Figure 23: U-Tube Assembly Overview 27 of 75...

  • Page 34: Figure 24: U-Tube Layout Overview

    - 1900 mm d = distance first hanger - 2290 mm g = burner height - 366 mm h = burner length - 291 mm Model BH15UT BH20UT BH25UT/EF BH30UT/EF BH35UT/EF BH40UT/EF BH45UT/EF BH50UT/EF Reflector Overlap 1780 mm 250 mm 250 mm...

  • Page 35: U-Tube Hanger Placement

    SECTION 7: U-T EATER NSTALLATION Step 7.2 U-Tube Hanger Placement Spreader NOTE: Spreader bar must be used on Shackle single suspension point installations. Threaded Do not hang heater from spreader bar. Suspension Chain Shackle Washers Suspension Bolt Chain (Torque: 13.5 Nm 129 in lb) Tube and Reflector Hanger...

  • Page 36: U-Tube Support Bracket Assembly Installation

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Step 7.3.1 Tube Clamp Package Installation Weld Spot Bolt (Torque: 13.56 Nm 120 in lb) Lock Washer Tube Clamp Note: Tube clamp package should be installed 100 mm from burner tube plate. Other hangers do not need tube clamp Description Part Number packages.

  • Page 37: Coupling And Tube Assembly

    SECTION 7: U-T EATER NSTALLATION Step 7.5 Coupling and Tube Assembly Start slide bar/coupling lock Close coupling onto coupling. with tab. Slide Bar Wide End Coupling Open 76 mm to 101 mm Closed Tighten coupling to join tubes. Insert tubes into coupling. Slide Bar Coupling Orient coupling so that...

  • Page 38: Tube Installation

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Step 7.6 Tube Installation Weld Spot Coupling Tube Step 7.7 U-Tube Installation Weld Spot U-tube Support Bracket Assembly Coupling U-tube Description Part Number Coupling 01329600 Slide Bar/Coupling Lock 01329700 U-Tube 01335901 32 of 75...

  • Page 39: Reflector Installation

    SECTION 7: U-T EATER NSTALLATION Step 7.8 Reflector Installation WARNING Fire Hazard Support reflector with reflector hanger and support strap. Reflector must not touch tube. Failure to follow these instructions can result in death, injury or property damage. Weld Spot Reflector Description Part Number...
  • Page 40 ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Step 7.8.1 Reflector, U-Clip and Reflector Support Installation The pictorial drawings of the heater construction in supports are used. The positioning of reflector supports Section 6 are schematic only and provide a general and U-clips depend on the individual installation.

  • Page 41: Section 8: Multiburner Configuration & Installation

    SECTION 8: M & I ULTIBURNER ONFIGURATION NSTALLATION SECTION 8: MULTIBURNER CONFIGURATION & INSTALLATION WARNING WARNING Severe Injury Hazard Cut/Pinch Hazard Wear protective gear during installation, Secure burner to burner tube with bolts and operation and service. lockwashers. Edges are sharp. Hang heater with materials with a minimum working load of 75 lbs (33 kg).

  • Page 42: Figure 26: Typical Manifold Layout (Linear And U-Tube Configuration)

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Figure 26: Typical Manifold Layout (Linear and U-Tube Configuration) BH25UT BH25UT BH25UT Typical Fan Arrangement 100 mm Manifold 150 mm Hanger 150 mm Manifold 1000 3000 mm (100 x 100 x 100) Damper (Typical) Cross Cross ID/ID Sleeve...

  • Page 43: Section 9: Burner & Fan Installation

    SECTION 9: B & F URNER NSTALLATION SECTION 9: BURNER & FAN INSTALLATION Step 9.1 Burner Installation NOTE: Tube clamp package not shown for clarity. For details, see Page 21, Step 6.5. Gasket Lock Washer Bolt (Torque: 13.5 Nm 120 in lb) Burner Description Part Number...

  • Page 44: Linear & U-Tube Fan Installation

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 9.3 Linear & U-Tube Fan Installation Tighten securely until tube cannot be removed. Fan Assembly Fan Tube Weld Spot Step 9.4 Double Linear Fan Installation Tighten securely until tube cannot be removed. Fan Assembly 38 of 75...
  • Page 45 SECTION 9: B & F URNER NSTALLATION Step 9.4.1 Double Linear Fan Installation (Continued) Suspension Chain Shackle Height Adjuster Fan Assembly Weld Spot Step 9.5 Multiburner 83 BWLG / 90 BWTL Fan Assembly (Horizontal and Vertical Outlets) Description Part Number Vertical Exhaust Tee C1324B Horizontal Exhaust Bend...

  • Page 46: Condensate Drain Assembly

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Step 9.6 Condensate Drain Assembly Wall Condensate Cap 1" BSP threaded hole. Use 1" x ¾" reducer. (not supplied) 3/4" CPVC Pipe 3/4" Female Non-Return Flow Valve 3/4" CPVC Must be connected Pipe to a drain system in accordance with local codes.

  • Page 47: Section 10: Optional Heater Accessories

    SECTION 10: O PTIONAL EATER CCESSORIES SECTION 10: OPTIONAL HEATER ACCESSORIES WARNING Cut/Pinch Hazard Wear protective gear during installation, operation and service. Edges are sharp. Failure to follow these instructions can result in injury. 41 of 75...

  • Page 48: Reflector Side Extension Installation

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 10.1 Reflector Side Extension Installation Step 10.1.1 Bracket Installation Tube Reflector Tube and Reflector Hanger Reflector Support Reflector Side Extension Bracket (2 per reflector) Use additional supports in high air movement applications. Description Part Number Reflector Side Extension Package S7377K...

  • Page 49: U-Tube Cover Installation

    SECTION 10: O PTIONAL EATER CCESSORIES 10.2 U-Tube Cover Installation The package contains two reflector joint pieces (P/N 02750901), one 2439 mm (8') reflector and 18 x #8 sheet metal screws. Install the U-tube cover using the following procedure. Step 10.2.1 Cut the 2439 mm (8') reflector in half to be used on both sides to cover the U-tube.

  • Page 50: Decorative Grille Installation

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 10.3 Decorative Grille Installation Step 10.3.1 Grille Installation Description Part Number Aluminium Grille 610 mm X1220 mm 91407000 Step 10.3.2 Frame Shield Installation Step 10.3.3 Reflector Side Extension Installation for Decorative Grilles Distance "A" Extension Minimum Maximum...

  • Page 51: Protective Grille Installation

    SECTION 10: O PTIONAL EATER CCESSORIES 10.4 Protective Grille Installation Step 10.4.1 Silicone Cap Installation Silicone Cap Grille Finger Description Part Number Grille Section 08050001 Grille End Cap 08050002 Silicone Cap 91915951-6P Step 10.4.2 Grille End Cap Installation Grille Grille End Cap Bend up 90°.

  • Page 52: Sports Hall Guard Installation

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 10.5 Sports Hall Guard Installation Step 10.5.1 Grille Installation Strap - Stainless Steel Tube and Reflector Hanger Reflector Tube Reflector Support Description Part Number Mesh Guard Mesh Guard 2438 mm E0009855 Mesh Guard 1524 mm C2329B Strap Stainless Steel S5218W...

  • Page 53: Undershield Installation

    SECTION 10: O PTIONAL EATER CCESSORIES 10.6 Undershield Installation 10.6.1 Hanger Installation Reflector Assembly Hanging Bracket Hex Nut Description Part Number Stud Tube Undershield Reflector Package 1220 mm S7399K Assembly Hanging Bracket C0318B Stud M6 x 90 C0693B Nut M6 C0090B Undershield Reflector Package 2438 mm S7399A...

  • Page 54: Wall Mounting

    Quantity of Wall Model Model dimensions d, e and f (u-tube) in the relevant layout Mounting Brackets Mounting Brackets BH15UT BH15ST overview drawing for your heater. For linear heaters see BH20UT BH20ST Page 15, Figure 20, for double linear heaters see Page...

  • Page 55: Figure 28: U-Tube (Angle Mounted)

    SECTION 10: O PTIONAL EATER CCESSORIES Figure 28: U-Tube (Angle Mounted) Figure 29: Linear 49 of 75...

  • Page 56: Section 11: Venting

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL SECTION 11: VENTING manufacturer if more than 2 x 45° offset bends are necessary. The flue must be self supporting. WARNING Fans Horizontal Vertical 83 BWLG 190 x 75 (hole) 150 mm dia. 90 BWTL 190 x 75 (hole) 150 mm dia.

  • Page 57: Outside Combustion Air Supply

    SECTION 11: V ENTING Figure 30: Individual Flue Connection Detail Fan Assembly Fan Tube Lockwasher Screw (Torque: 2 Nm 18 in lb) Flue Adapter Flue Pipe Figure 31: Flue Connection Dimensions End of Tube Fan Tube Fan Model MB 56 2B M 98 mm 105 mm 52 mm Torin DSF-133-42 79 mm 95 mm...

  • Page 58: Common Duct

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Figure 32: Fresh Air Intake Spigot Burner Sheetmetal Screw Dust Arrest Baffle Plate Description Part Number 100 mm Diameter Dust Arrest Baffle 07230000 Fresh Air Intake Spigot Fresh Air Intake Spigot 07260000 Figure 33: Air Supply with Flue Configurations 11.4 Common Duct When using a common air inlet duct, always ensure that the area of the common air inlet duct represents the area...

  • Page 59: Section 12: Gas Piping

    SECTION 12: G IPING SECTION 12: GAS PIPING hose. This can cause a gas leak resulting in an unsafe condition if the gas connection is not made in strict WARNING accordance with Figure 34. Meter and service must be large enough to handle all the burners being installed plus any other connected load.

  • Page 60: Figure 34: Gas Connection With Stainless Steel Flex Connector

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Figure 34: Gas Connection with Stainless Steel Flex Connector INCORRECT POSITIONS (WRONG INSTALLATION) Heater Movement Heater Movement Heater Movement Heater Movement 54 of 75...

  • Page 61: Section 13: Wiring

    SECTION 13: W IRING SECTION 13: WIRING DANGER Electrical Shock Hazard Disconnect electric before service. Heater must be properly grounded. Failure to follow these instructions can result in death or electrical shock. Connect to the electrical supply using a 3 pin plug via a the supply to the burner and disconnect by removing the locally mounted double pole fused switch having a plug before removing the burner side panel.

  • Page 62: Typical External Wiring Diagram (Double Linear Option 1)

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 13.2 Typical External Wiring Diagram (Double Linear Option 1) Controller or Thermostat Earth 230 V 1 Ø 50 Hz Earth Burner 1 Burner 2 13.3 Typical External Wiring Diagram (Double Linear Option 2) Controller or Thermostat Earth...

  • Page 63: Typical External Wiring Diagram (Multiburner)

    SECTION 13: W IRING 13.4 Typical External Wiring Diagram (Multiburner) 57 of 75...

  • Page 64: Internal Wiring Diagram

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 13.5 Internal Wiring Diagram 58 of 75...

  • Page 65: Section 14: Operation

    SECTION 14: O PERATION SECTION 14: OPERATION WARNING DANGER Electrical Shock Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Turn off gas supply to Allow heater to cool Wear protective gear Disconnect electric heater before service. before service. during installation, before service. operation and service.

  • Page 66: Testing

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 14.1.1 Heater Lockout Indicator by Connector 3. With the gas supply off at each of the burners and A 230 V signal is provided which enables the ROBERTS the electrical supply isolated, open the control GORDON ®...
  • Page 67 SECTION 14: O PERATION the attention of the user or purchaser; instruct them in the safe operation of the heater(s). Advise the user that if the system is unflued, any reduction in the natural ventilation of the building may require a flue to be fitted, or additional ventilation grilles will be required.

  • Page 68: Section 15: Servicing Instructions

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL SECTION 15: SERVICING INSTRUCTIONS WARNING DANGER Electrical Shock Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Turn off gas supply to Allow heater to cool Wear protective gear Disconnect electric heater before service. before service. during installation, before service.

  • Page 69: Maintenance Checklist

    SECTION 15: S ERVICING NSTRUCTIONS 15.2.4 Automatic Flame Control Unit 15.3 Maintenance Checklist Remove black ignition lead. Withdraw the connectors. Installation Code and Annual Inspections: Remove two screws from the cover. Replace if faulty. All installation and service of ROBERTS GORDON Refit in reverse sequence.
  • Page 70 ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Tubes Make sure there are no cracks. Make sure tubes are connected and suspended securely. See Page 11, Section 5. Make sure there is no sagging, bending or distortion. Check for gas leaks. See Page 53, Section 12. Gas Line Burner Observation Make sure it is clean and free of cracks or holes.

  • Page 71: Section 16: Troubleshooting

    SECTION 16: T ROUBLESHOOTING SECTION 16: TROUBLESHOOTING DANGER Electrical Shock Hazard Disconnect electric before service. Heater must be properly grounded. Failure to follow these instructions can result in death or electrical shock. WARNING Fire Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Keep all flammable Turn off gas supply to Allow heater to cool...

  • Page 72: Troubleshooting Flow Chart (Linear, Double Linear And U-Tube)

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 16.1 Troubleshooting Flow Chart (Linear, Double Linear and U-Tube) 66 of 75...
  • Page 73 SECTION 16: T ROUBLESHOOTING Troubleshooting Flow Chart (Linear, Double Linear and U-Tube) 67 of 75...

  • Page 74: Troubleshooting Flow Chart (Multiburner)

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 16.2 Troubleshooting Flow Chart (Multiburner) 68 of 75...
  • Page 75 SECTION 16: T ROUBLESHOOTING Troubleshooting Flow Chart (Multiburner) 69 of 75...

  • Page 76: Manifold Gas Pressure Setting

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 16.3 Manifold Gas Pressure Setting Governor Adjustment Screw (behind cover) Manometer Gas Supply pressure Governor (orifice) pressure while burner is running. See while burner is running. See Page 75, Section 18.10.1 or Page 75, Section 18.10.1 or See Page 76, Section See Page 76, Section 18.10.2 70 of 75...

  • Page 77: Section 17: Replacement Parts

    SECTION 17: R EPLACEMENT ARTS SECTION 17: REPLACEMENT PARTS WARNING DANGER Electrical Shock Hazard Explosion Hazard Carbon Monoxide Hazard Fire Hazard ® Use only genuine ROBERTS GORDON replacement parts per this installation, operation and service manual. Failure to follow these instructions can result in death, electric shock, injury or property damage. 71 of 75...
  • Page 78 ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL Item Description Part Number Item Description Part Number Automatic Control Unit 90438702 O Dust Arrest Baffle Plate 07230000 Flex Line Adapter 91220700 Q Mains in socket with EMC Filter 90438902 Pressure Switch for BH25 - BH55, BH50EF, (0.23"...

  • Page 79: Section 18: Specifications

    SECTION 18: S PECIFICATIONS SECTION 18: SPECIFICATIONS 18.1 Material Specifications 18.3 Venting Specifications 18.1.1 Combustion and Tubes 18.3.1 Fans 100 mm dia. 16 gauge heat treated BH-15, 20, 25, 30 ..... Model: Torin DSF 133-42 aluminised mild steel. BH-25 EF, 30 EF, 35 EF, 18.1.2 Reflectors BH-35, 40, 45 ....

  • Page 80: Linear Heater

    ® LACKHEAT NSTALLATION PERATION AND ERVICE ANUAL 18.7 Linear Heater 50/51 Input - Gross (kW) Input - Net (kW) 13.5 22.5 31.5 40.5 45/46 49.5 6096 9144 9144 12192 12192 12192 15240 15240 18288 Tube Length (mm) 6661 9709 9709 12757 12767 12767...

  • Page 81: Burner Specifications

    SECTION 18: S PECIFICATIONS 18.10 Burner Specifications Figure 37: Linear and U-Tube Specifications 18.10.1 Standard BH15 BH20 BH25 BH30 BH35 BH40 BH45 BH50 BH55* Burner Specifications Burner Airplate ID Number Jet Numbers - 3.8 mm 4.7 mm Natural 6.8 mm (G25) Jet Numbers - 2.3 mm 3.1 mm...
  • Page 84 ® equipment. To help facilitate optimum performance and safety, Roberts-Gordon recommends that a qualified contractor conduct, at a minimum, annual inspections of your ROBERTS GORDON equipment and perform service where necessary, using only replacement parts sold and supplied by Roberts-Gordon.

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