Roberts Gorden HE45ST, HE20ST, HE50DL, HE45UT, HE30DL, HE50ST, HE35UT Tube Cover Installation, Step

Page 49

SECTION 10: OPTIONAL HEATER ACCESSORIES

10.2 U-Tube Cover Installation

The package contains two reflector joint pieces (P/N 02750901), one 8' reflector and 18 x #8 sheet metal screws. Install the u-tube cover using the following procedure.

Step 10.2.1

Cut the 8' reflector in half to be used on both sides to cover the u-tube.

Step 10.2.2

Flatten 4' reflector edge where joint piece matches. Put a mark on the 4' reflector, directly over the tube center. Center the accessory joint piece on the mark and scribe its contour on the reflector. Scribe the location of the mounting holes.

4' Reflector

Section

 

 

Reflector

Scribe

Flatten

Joint

Contour

 

Edge

 

 

 

 

250 mm

 

 

maximum

 

Step 10.2.3

Cut away the reflector to clear the tube, leaving about 25

mmof material inside the scribed contour to attach the accessory joint. Drill or punch six 3 mm diameter holes in reflector in the positions shown below.

Cut away contour with tin snips.

Punch/Drill six

3 mm holes

Step 10.2.4

Use six #8 sheet metal screws to attach the joint piece.

Reflector

End Cap

(Do not remove

cut out)

Attach Reflector Joint with six #8 sheet metal screws.

Repeat Steps 10.2.1 through 10.2.4 to attach the reflector joint piece on the other reflector.

Step 10.2.5

The overlap of both reflector joint pieces is attached with six #8 sheet metal screws.

Secure overlap with six #8

sheet metal screws. 4' Reflector Sections

43 of 73

Image 49
Contents Owner If you smell gasPage Roberts-Gordon Europe Limited Table of ContentsPage Table of Figures Bottom and Back Panel Label PlacementPage Product Approval Heater Safety Control Side Label Placement Low Level User Instructions Installer ResponsibilityNational Standards and Applicable Codes Clearances to Combustibles Model Clearances Data Linear and Double LinearHE40ST HE45ST HE50ST HE45ST HE50ST HE15ST HE30DLHE20UT HE15UTHE25UT HE30UTTUBE, Protective Grille TUBE, Opposite 45 TiltMajor Component Descriptions General Suspension Details Typical Suspension Details Linear Standard Parts List Linear & Double Linear Heater InstallationDescription Linear General Assembly Overview HE35ST HE40ST f HE15ST f HE20ST HE25ST fHE45ST HE50ST f Double Linear Standard Parts List Double Linear General Assembly Overview HE60DL HE70DL f HE30DL fCoupling and Tube Assembly Burner Tube InstallationOpen Closed2 Coupling and Tube Assembly 1 Coupling and Tube AssemblyTighten slide bar as shown below Tube Clamp Package Installation Hanger Option a Option BFan Tube Weld Spot Coupling Tee Tube Standard Parts List Tube Heater InstallationLockwasher 6mm Blackheat HE Tube Assembly OverviewHE30UT HE35UT g HE15UT g HE20UT gHE45UT g Burner Tube and Fan Tube Installation U-tube Hanger PlacementU-tube Support Bracket Assembly Installation 1 Tube Clamp Package InstallationTube, Standard Tube, Opposite Orient coupling so that Impact block is U-tube Installation Tube InstallationReflector 02750303 Reflector Support Strap 03050000 Screw #8 x 3/4 Multiburner Configuration & Installation Typical Manifold Layout Linear and U-Tube Configuration Burner Installation Burner & FAN InstallationStandard Fan Assembly Linear & U-tube Fan Installation IP55 Fan Assembly1 Double Linear Fan Installation Double Linear Fan InstallationNon-Return Valve Condensate Drain AssemblyOptional Heater Accessories 2 Side Reflector Installation Reflector Side Extension Installation 1 Bracket InstallationStep Tube Cover InstallationDistance a Extension 2 Frame Shield Installation3 Grille Installation 2 Grille End Cap Installation2 Fastener Installation Sports Hall Guard Installation1 Grille Installation 3 Mesh Guard ConnectionUndershield Installation Undershield Installation 10.6.1 Hanger InstallationAdjust Undershield Height Wall Mounting Hardware InstallationVenting and Fresh AIR Supply Air Supply Requirements Outside Combustion Air SupplyCommon Duct Air Supply with Flue ConfigurationsGAS Piping Correct Positions Incorrect Positions Wrong InstallationTypical External Wiring Diagram Linear or U-Tube WiringTypical External Wiring Diagram Multiburner Typical External Wiring Diagram Double Linear OptionInternal Wiring Diagram Operation and service Heater Lockout Indicator by ConnectorOperation Tubing may still be hotTesting Heater Lockout Indicator by Volt Free ConnectorCommissioning Multiburner System ChecksServicing Instructions Maintenance Checklist Pressure SwitchElectrode Automatic Flame Control UnitOutside Air Inlet Vent PipeTubes Gas LineTroubleshooting U-Tube Troubleshooting Flow Chart Linear, Double LinearTroubleshooting Flow Chart Linear, Double Linear and U-Tube Troubleshooting Flow Chart MultiburnerTroubleshooting Flow Chart Multiburner Manometer 4 3 2 1 0 1 2 3 4 5 Manifold Gas Pressure SettingReplacement Parts V2 W3 Door Gasket Replacement Package P/N Viewer Window Replacement Package P/NGas Valve Replacement Package P/N Description QuantitySpecifications Double Linear Heater Linear HeaterTube Heater Standard Burner Specifications Burner SpecificationsModels HE15 HE20 HE25 HE30 HE35 HE40 HE45 HE50 Page Page Maintain Clearance Side Clearance below