Roberts Gorden 350, 200, 150, 400, 300, 175, 225 250 service manual Vent Material, Vent and Roof Detail

Page 15

SECTION 6: VENTING

6.7 Vent Material

Vent material may be single wall 26 ga. (minimum) galvanized steel or equal thickness stainless steel. Completely seal all joints, refer to Page 7, Section 6.2.

If penetrating a combustible wall or roof, a listed thimble with 2" (5 cm) clearance must be used. Where local codes permit, a single section of type B-1 vent material may be used at the roof or wall penetration instead of a thimble. Ensure vent manufacturer's clearance from vent material is maintained. Seal annular space of the type B-1 vent as well as all joints in the remaining vent.

Figure 3: Vent and Roof Detail

Vent

 

Terminal

 

 

Flashing

 

or Rain Collar

Roof

 

 

Listed Thimble

2" Air Gap to

Vent

 

Combustible Material

 

Figure 4: Standard Vented Heater - Vertical and Horizontal Vent Termination

 

Vent Terminal

 

 

Flashing

 

 

 

(By Others)

 

 

 

Listed

 

 

 

Thimble

 

 

 

(2" Clearance)

 

 

 

4" Dia.Vent

 

Listed

 

Vertical

90°

Thimble

(2" Clearance)

Option

Bend

Flashing

 

Horizontal

 

(By Others)

 

Option

 

 

 

Vent

 

Vent

 

 

 

 

 

 

Terminal

 

Condensate

12" (31 cm)

Note: Vent supports

 

Minimum

 

Trap to Drain

 

not shown.

 

(Optional)

 

 

Model

Vent Diameter

Part Number

UHA 150 - 400

4" (10 cm)

90502102

9

Image 15
Contents Combat Page Roberts-Gordon LLC Page Table of Figures Page Manpower Requirements Heater SafetyNational Standards and Applicable Codes Installer ResponsibilityWall Tag Corrosive ChemicalsClearances to Combustibles Minimum Required Installation ClearancesSeparated Combustion Installation Critical Considerations 3.1 Basic InformationInstallation Clearances and Clearances to Combustibles National Standards and Applicable Codes Suspension Major Components 5.1 GeneralCanadian Requirements Vent InstallationVenting 6.1 Venting United States RequirementsVertical Venting Separated Combustion Heaters Models Uhas 150Unvented Operation Horizontal VentingVent and Roof Detail Vent MaterialStandard Vented Heater Common Vertical Vent Termination Concentric Vent Box Horizontal Outside Combustion Air Supply Unvented InstallationAIR Supply Building VentilationConnections GAS PipingFan Control WiringLow Voltage Thermostat with One Heater Positioning ThermostatsGAS Valve Uhas Series Internal Wiring DiagramUhas Series Ladder Wiring Diagram Electrical Connection to the Heater Mechanical Checks Operation and MaintenanceLouvers Electrical ChecksAutomatic Burner Control Sequence Complete the Start-Up Pressure SwitchCheck Gas Rate Turning Off the HeaterLighting Instructions 11.3.1 To Turn On Heater Simple TroubleshootingSimple Troubleshooting Burner Fault Heater OperationUser Instructions Gas Valve Maintenance Burner Maintenance12.3 Fan/Motor Assembly Maintenance Heat Exchanger MaintenanceObjects Maintenance ChecklistVicinity of the Heater Vehicles and OtherFlue Blower Scroll, Wheel When installedBurner Observation WindowTroubleshooting 13.1 General Result in death or electrical shock Troubleshooting For Automatic Ignition Burner SystemsTroubleshooting for Flame Supervision System Troubleshooting for Gas Valves Troubleshooting for Flue BlowerConduct start-up procedure as shown on Page 19, Section Burner Components Replacement PartsBurner Injectors Burner CompartmentDescription Part Number Ignition Electrode and Flame ProbeLouvers and Louver Spring ExchangerAssemblyUhas Ignition Control Axial Fan/Guard/Motor AssemblyFan Removal and Replacement To Replace the Fan AssemblyLimit Switches Removal and Replacement Standard Models 150 400 Uhas Series Dimension Data SpecificationsTechnical Data Table All Models General Technical Data Table All ModelsPage Limitations on Authority Representatives Warranty is Void ifROBERTS-GORDON will PAY for ROBERTS-GORDON will not PAY forPage Page Page Page Fire Hazard
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225 250, 175, 300, 400, 150 specifications

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