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Roberts Gorden
UHD[X][S][R] 75 Standard Vented Heater Common Vertical Vent Termination
Models:
UHD[X][S][R] 125
UHD[X][S][R] 75
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Troubleshooting
Install
Internal Wiring Diagram
Wiring
Warranty
Maintenance
Replacement Parts
Safety
General Technical Data Table
Pressure Switch
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UHD L
OW
P
ROFILE
D
UCT
F
URNACE
I
NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
Figure 8: Standard Vented Heater - Common Vertical Vent Termination
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Contents
Combat
Page
Roberts-Gordon LLC
Page
Table of Figures
Page
Heater Safety
Manpower Requirements
Installer Responsibility
Corrosive Chemicals
National Standards and Applicable Codes
Wall Tag
Minimum Required Installation Clearances
Critical Considerations 3.1 Basic Information
Manufactured Units
Clearances to Combustibles
Ventilation
Electrical Supply
Gas Supply
Vent
National Standards and Applicable Codes
High Altitude
Duct Heater Installation 5.1 General
Temperature Rise and Pressure Drop Ranges
Air Flow and Temperature Rise Ranges
Minimum Inlet Duct Length
Shelf Mounting and Suspension
Wall Mounting
Shelf-Mounting Methods
Vent Installation
Venting
Changing Vent and Air Intake Orientation
United States Requirements
Standard Vented Heaters Models Uhdxr 75
Separated Combustion Heaters Models Uhdxsr 75
Unvented Operation
Horizontal Venting
Replacing an Existing Heater in a Venting System
Maximum Vent Lengths
Vent Material
Vent and Roof Detail
Standard Vented Heater Common Vertical Vent Termination
Concentric Vent Box
UHVK1
Separated Combustion Installation
Unvented Installation
AIR Supply
Building Ventilation
GAS Piping
Connections
Positioning Thermostats
Wiring
Low Voltage Thermostat with One Heater
Internal Wiring Diagram
L2 L1
Ladder Wiring Diagram
Flue Blower Transformer GAS Valve Flame Sensor Electrode
Electrical Connection to the Heater
Operation and Maintenance
Begin Start-Up Before Operating the Heater
Pre-Start-Up Checks
Electrical Checks
END View
Pressure Switch
Check Gas Rate
Turning Off the Heater
External Controls
User Instructions
User Instructions
Heater Operation
Lighting Instructions 11.4.1 To Turn On Heater
To Turn Heater Off
Simple Troubleshooting
Simple Troubleshooting Burner Faults
Servicing
Maintenance Checklist
Vicinity of the Heater
Vehicles and Other
Objects
When installed Ductwork
Gas Line and Shut-off
Valves
Burner Observation
Troubleshooting 13.1 General
Troubleshooting For Automatic Ignition Burner Systems
Conduct start-up procedure as shown on Page 23, Section
Troubleshooting for Flame Supervision System
Troubleshooting for Gas Valves
Troubleshooting for Flue Blower
Replacement Parts
Burner Components
Burner Compartment
Burner Injectors
Ignition Electrode and Flame Probe
Flue Blower Vertical Installation
Top, remove the blower and mounting plate as above
Limit Switches Removal and Replacement
Ignition Control
Specifications 15.1 Dimension Data
TOP View
General Technical Data Table
Technical Data Table
Page
Warranty is Void if
Roberts Gordon will not PAY for
Roberts-Gordon
Limitations on Authority Representatives
Page
Owner Warranty Registration Card
Page
Page
Clearances to Combustibles
Top
Page
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Contents
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