Manuals / Roberts Gorden / Household Appliance / Heating System

Roberts Gorden HE25ST 2 U-tube Hanger Placement, 3 Burner Tube and Fan Tube Installation, 29 of

Models: HE35UT HE45UT HE40ST HE50DL HE25ST HE50UT HE20ST HE70DL HE30ST HE25UT HE15UT HE40DL HE35ST HE60DL HE15ST HE40UT HE20UT HE50ST HE45ST HE30UT HE30DL

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SECTION 7: U-TUBE HEATER INSTALLATION

Step 7.2 U-tube Hanger Placement

	Spreader
Bow	Bar
Shackle	Threaded
	Threaded
Suspension	Bar
Suspension
Chain

Washers

Bolt

(Torque:

13.5Nm 129 in lb)

Tube and Reflector

Hanger

Optional

Hanging

Configuration

First Tube and

Reflector Hanger

2290 mm ± 250 mm

Description	Part Number
Bow Shackle	E0007576
Tube/Reflector Hanger	03090100
Spreader Bar	07260010

NOTE: Spreader bar must be used on single suspension point installations. Do not hang heater from spreader bar.

Bow

Shackle

Suspension

Chain

Tube and Reflector

Hanger

See Assembly

Drawing

Step 7.3 Burner Tube and Fan Tube Installation

Offset mounting hole must be to the top.

Weld

Spot

Fan Tube

Burner Tube

Weld seam must be to the bottom of the tube.

Description

Burner Tube

Fan Tube

Part Number

03051100

S5127W

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Roberts Gorden HE25ST, HE20ST, HE50DL, HE45UT 2 U-tube Hanger Placement, 3 Burner Tube and Fan Tube Installation, 29 of

Contents

Some objects will catch fire or explode when placed close to heater Installation, OperationFOR YOUR SAFETY 3. DO NOT use electrical switchesPage SECTION 8 Multiburner Configuration TABLE OF CONTENTSSECTION 13 Wiring SECTION 16 TroubleshootingPage TABLE OF FIGURES Page 1 of Product ApprovalFigure 1 Bottom and Back Panel Label Placement SECTION 1 HEATER SAFETY1.1 Manpower Requirements 1.3 Safety Labels and Their Placement91033200 Figure 2 Control Side Label PlacementSECTION 1 HEATER SAFETY Description2.2 Corrosive Chemicals SECTION 2 INSTALLER RESPONSIBILITYRefer to appropriate Material Safety Data Sheets MSDS 2.1 Low Level User Instructions3.1 Required Clearances to Combustibles Some objects will catch fire or explode when placed close to heaterSECTION 3 CLEARANCES TO COMBUSTIBLES Fire HazardHE40ST 3.2 Clearances Data - Linear and Double LinearFIGURE 3 LINEAR & DOUBLE LINEAR, HORIZONTAL MOUNTS ModelHE20ST FIGURE 8 UNDERSHIELDHE15ST HE30DLHE20UT 3.3 Clearances Data - U-TubeFIGURE 10 U-TUBE, HORIZONTAL MOUNT HE15UTFIGURE 16 U-TUBE, VENTING FIGURE 14 U-TUBE, OPPOSITE 45 TILTHE15U FIGURE 15 U-TUBE, PROTECTIVE GRILLECoupling Assembly with Lock Reflector End Cap SECTION 4 MAJOR COMPONENT DESCRIPTIONSReflector Support Strap, Wire Form & #8 x 3/4 Screw Flex Gas Line Tee AssemblySecure burner to burner tube with bolts and lockwashers Wear protective gear during installation, operation and serviceSECTION 5 GENERAL SUSPENSION DETAILS Severe Injury HazardBow Shackle Figure 17 Critical Hanger PlacementTypical Suspension Details Side ViewCut/Pinch Hazard SECTION 6 LINEAR & DOUBLE LINEAR HEATER INSTALLATION6.1 Linear Standard Parts List Wear protective gear during installation, operation and serviceFigure 18 Linear General Assembly Overview HE45ST HE50ST f Figure 19 Linear Layout OverviewHE15ST f HE20ST HE25ST f HE30ST HE35ST HE40ST f HE40DL 6.2 Double Linear Standard Parts ListDescription HE30DLBird Screen Figure 20 Double Linear General Assembly OverviewHE50DL Figure 21 Double Linear Layout OverviewHE30DL f HE40DLClosed Step 6.3 Burner Tube InstallationStep 6.4 Coupling and Tube Assembly OpenCorrect Slide Bar dimensions Step 6.4.1 Coupling and Tube Assembly ContinuedStep 6.4.2 Coupling and Tube Assembly Continued ± 50 mm01318901 Step 6.5 Tube Clamp Package InstallationDescription Tube Clamp PackageDescription Step 6.6 Reflector InstallationFire Hazard Support reflector with reflector hanger and support strap Reflector must not touch tubeOption B Wire FormOption B Option A01329700 DescriptionPart Number 01329600Cut/Pinch Hazard SECTION 7 U-TUBE HEATER INSTALLATION7.1 U-tube Standard Parts List Wear protective gear during installation, operation and serviceHE20UT PVC coating must be removed prior to installationDescription HE15UTFigure 22 BLACKHEAT HE U-tube Assembly OverviewHE45UT g HE50UT Figure 23 BLACKHEAT HE U-tube Layout OverviewHE15UT g HE20UT g HE25UT HE30UT HE35UT g HE40UT Burner Tube Step 7.2 U-tube Hanger PlacementStep 7.3 Burner Tube and Fan Tube Installation Offset mounting hole must be to the top Weld Spot Fan TubeU-tube, Opposite Step 7.3.1 Tube Clamp Package InstallationStep 7.4 U-tube Support Bracket Assembly Installation U-tube, Standard± 50 mm Step 7.5 Coupling and Tube AssemblyStep 7.5.1 Coupling and Tube Assembly Continued Correct Slide Bar dimensions01329600 Step 7.6 Tube InstallationStep 7.7 U-tube Installation DescriptionWeld Spot Step 7.8 Reflector InstallationFire Hazard Support reflector with reflector hanger and support strap Reflector must not touch tubeOption A Option BOption A Option BWear protective gear during installation, operation and service SECTION 8 MULTIBURNER CONFIGURATION & INSTALLATION8.1 Initial Assembly Figure 24 Multiburner Damper Flange InstallationFigure 25 Typical Manifold Layout Linear and U-Tube Configuration For details, see Page 21, Step SECTION 9 BURNER & FAN INSTALLATION Step 9.1 Burner InstallationStep 9.2 Standard Fan Assembly Fan Assembly 9.3 IP55 Fan Assembly9.4 Linear & U-tube Fan Installation Step 9.5.1 Double Linear Fan Installation Continued Step 9.5 Double Linear Fan InstallationStep 9.7 Condensate Drain Assembly Edges are sharp SECTION 10 OPTIONAL HEATER ACCESSORIESWear protective gear during installation, operation and service Cut/Pinch HazardExtension Bracket 10.1 Reflector Side Extension InstallationStep 10.1.1 Bracket Installation Step 10.1.2 Side Reflector InstallationStep 10.2 U-Tube Cover InstallationStep StepDescription Step 10.3.2 Frame Shield InstallationDescription DescriptionStep 10.4.3 Grille Installation Step 10.4.2 Grille End Cap InstallationStep 10.5.3 Mesh Guard Connection 10.5 Sports Hall Guard InstallationStep 10.5.2 Fastener Installation Step 10.5.1 Grille Installation10.6.3 Adjust Undershield Height 10.6 Undershield Installation 10.6.1 Hanger Installation10.6.2 Undershield Installation Figure 27 U-tube Angle Mounted 10.7.1 Hardware Installation10.7 Wall Mounting Figure 26 U-tube HorizontalCarbon Monoxide Hazard Heaters must be installed according to the installation manual11.3 Flue Installation SECTION 11 VENTING AND FRESH AIR SUPPLY11.6.1 Air Supply Requirements Figure 30 Flue Connection DimensionsFigure 29 Individual Flue Connection Detail 11.6 Outside Combustion Air Supply51 of Figure 31 Air Supply with Flue Configurations11.7 Common Duct SECTION 12 GAS PIPING Flex gas line can crack when twistedUse only 1000 mm long connector of 1/2 or 3/4 nominal ID Gas can leak if piping is not installed properlyCORRECT POSITIONS Figure 32 Gas Connection with Stainless Steel Flex Connectorwhen attaching gas hose INCORRECT POSITIONS WRONG INSTALLATIONDANGER SECTION 13 WIRINGElectrical Shock Hazard Disconnect electric before service 13.1 Typical External Wiring Diagram Linear or U-TubeFuse 13.2 Typical External Wiring Diagram Double Linear Option13.3 Typical External Wiring Diagram Double Linear Option 13.4 Typical External Wiring Diagram Multiburner56 of 13.5 Internal Wiring Diagramdisconnect switch may heater before servicebefore service during installation14.4 System Checks 14.1.2 Heater Lockout Indicator by Volt Free Connector14.2 Testing 14.3 Commissioning MultiburnerSECTION 15 SERVICING INSTRUCTIONS 15.1.3 Tube and Reflector Maintenance15.1 Annual Procedure 15.1.2 Burner and Fan Removal Maintenance15.3.4 Automatic Flame Control Unit 15.3.5 Pressure Switch15.4 Maintenance Checklist 15.3.1 Electrode Figure 34 Burner Cup PositionGas Line Vent PipeOutside Air Inlet Tubesvapors the minimum SECTION 16 TROUBLESHOOTINGKeep all flammable objects, liquids and16.1 Troubleshooting Flow Chart Linear, Double Linear and U-Tube64 of Troubleshooting Flow Chart Linear, Double Linear and U-Tube16.2 Troubleshooting Flow Chart Multiburner66 of Troubleshooting Flow Chart MultiburnerManometer 6 5 4 3 2 1 0 1 2 3 4 5 16.3 Manifold Gas Pressure SettingCombustion Chamber ntrol Chamber68 of SECTION 17 REPLACEMENT PARTSDANGER L, T2 17.1.3 Door Gasket Replacement Package P/N 17.1 Replacement Packages17.1.1 Screw and Gasket Replacement Package P/N 17.1.2 Viewer Window Replacement Package P/N18.4 Suspension Specifications SECTION 18 SPECIFICATIONS 18.1 Material Specifications18.2 Heater Specifications 18.2.1 Sequence Controller 18.3 Venting Specifications 18.3.1 Fans18.8 U-tube Heater 18.6 Linear Heater18.7 Double Linear Heater Models 18.9 Burner SpecificationsFigure 35 BLACKHEAT HE Linear and U-tube Specifications 18.9.1 Standard Burner SpecificationsPage Page the side Some objects will catch fire or explode when placed close toMaintain clearance