Manuals / Roberts Gorden / Household Appliance / Furnace

Roberts Gorden 125 Gas Connection, Product Damage Hazard, when attaching flexible gass connector

Models: 125 100 75

1 60

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SECTION 9: GAS PIPING

Figure 14: Gas Connection

	• Hold gas	CAUTION
	• Hold gas
	nipple securely
	with pipe	Product Damage Hazard
	wrench when	Hold gas nipple securely with pip wrench
	attaching the	Hold gas nipple securely with pip wrench
	flexible gas	when attaching flexible gass connector.
	connector.

• Do not twist flexible gas connector.

• Ensure all joints are gas tight.

Failure to follow these instruction can relsut in prdouct damage

• Do not bend flexible gas connector sharply.

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Page 29

Image 29

Roberts Gorden 125, 75, 100 service manual Gas Connection, Product Damage Hazard, Hold gas nipple securely with pip wrench

Contents

Models UHDXS UHD-Series Tubular Duct Furnace Low Profile RangeCombat If you smell gasPage Manuel d’installation, d’operation, et de service Modèles UHDXSCombat AVERTISSEMENTPage 2012 Roberts-GordonLLC Page TABLE OF FIGURES Page 1.1 Manpower Requirements SECTION 1 HEATER SAFETY1.2 Safety Labels and Their Placement 1.3 California Proposition2 of Figure 1 UHDXS 75 Label PlacementFor separated combustion units only Combatby Figure 2 UHDXS 100-125Label PlacementCombat 2.1 Wall Tag SECTION 2 INSTALLER RESPONSIBILITY2.2 Corrosive Chemicals 2.3 National Standards and Applicable CodesSECTION 3 CRITICAL CONSIDERATIONS 3.4 Minimum Required Installation Clearances3.1 Basic Information 6, Figure 3 for detailsFigure 3 Clearances to Combustibles Fire Hazard4.2 Clearances to Combustibles 5.2 Aircraft Hangars 5.1 Gas Codes5.3 Parking Structures and Repair Garages 5.4 Electrical5.6 High Altitude 6.1.2 Temperature Rise and Pressure Drop Ranges SECTION 6 DUCT HEATER INSTALLATION 6.1 General6.1.3 Air Flow and Temperature Rise Ranges 6.1.1 Minimum Inlet Duct LengthCrush Hazard Use 3/8 threaded rod minimum 6.2 Shelf Mounting and Suspension6.3 Wall Mounting Figure 5: Suspension MethodsFigure 7 Wall Shelf Mounting and Suspension Figure 6 Shelf-MountingMethodsExisting cabinet screws must be re-used 11 of7.3 Vent Installation Heaters may be installed vented or unventedSECTION 7 VENTING Carbon Monoxide Hazard7.4 Unvented Operation 7.3.1Standard Vented Heaters Models UHDX7.5 Horizontal Venting 7.6 Vertical VentingFigure 8 Vent and Roof Detail 7.7.1 Maximum Vent Lengths7.8 Vent Material Model 15 ofUHDX 90502102Requirements 17 of Figure 12 Concentric Vent BoxDescription 18 ofPart Number Concentric Vent Kit8.2 Unvented Installation 8.1 Separated Combustion InstallationSECTION 8 AIR SUPPLY Explosion HazardSECTION 9 GAS PIPING Fire Hazard Gas can leak if not installed properlyConnect gas supply according to Figure 9.1 ConnectionsFigure 14 Gas Connection when attaching flexible gass connectorProduct Damage Hazard Hold gas nipple securely with pip wrench10.2 Low Voltage Thermostat with One Heater SECTION 10 WIRING10.1 Positioning Thermostats DANGER10.3 UHDXS Series Internal Wiring Diagram 10.4 UHDXS Series Ladder Wiring Diagram 10.5 Electrical Connection to the Heater heater before service SECTION 11 OPERATION AND MAINTENANCEbefore service during installationFigure 16 Gas Valve for Models UHDXS Figure 15 Automatic Burner Control SequenceEND VIEW before a one hour lockoutCheck Gas Rate 11.2.3 Pressure Switch11.2.4 Turning Off the Heater 11.2.5 External ControlsThe fault must be traced and repaired 12.2.1 Manual Reset Limit SwitchSECTION 12 USER INSTRUCTIONS 12.1 Heater Operation12.4 Simple Troubleshooting Figure 17 Manual Reset Limit Switch12.4.1 Simple Troubleshooting Burner Faults Figure 18 LED Diagnostic Codes13.3 Heat Exchanger Maintenance 13.2 Burner Maintenance13.4 Gas Valve Maintenance SECTION 13 SERVICINGInstallation Code and Annual Inspections 13.7 Maintenance ChecklistAnnual Fall Start-up The Vicinity of the HeaterCombustion Air Intake when installedPipe Heat Exchangerheater before service SECTION 14 TROUBLESHOOTINGbefore service during installation35 of 14.1GeneralTROUBLESHOOT ENDS. No 36 of14.3 Troubleshooting for Flame Supervision System 38 of 14.4 Troubleshooting for Gas Valves14.5 Troubleshooting for Flue Blower Burner Components SECTION 15 REPLACEMENT PARTS15.1 Gas Valve DANGER15.2.1 Burner Injectors 15.2 Burner CompartmentEnsure gas tight fitting of injectors Ensure correct alignment with burners15.4 Heat Exchanger 15.3 Ignition Electrode and Flame Probe15.5 Flue Blower Vertical Installation 15.8 Limit Switches 15.6 Pressure Switch15.8.1 Removal and Replacement 15.7 Ignition Control44 of SECTION 16 SPECIFICATIONS 16.1 Dimension Data45 of 16.2 General Technical Data Table16.3 Technical Data Table 46 of ROBERTS-GORDONLLC WILL PAY FOR WARRANTY IS VOID IFROBERTS-GORDONLLC WILL NOT PAY FOR Roberts-GordonLLCPage OWNER WARRANTY REGISTRATION CARD Mail or Fax toAbout the Installer Purchased From if different than installerPage

Figure 14: Gas Connection

Product Damage Hazard

Hold gas nipple securely with pip wrench

when attaching flexible gass connector.