Roberts Gorden UHA[X][S] 125 Fire Hazard, close to heater, injury or property damage, Models 150

Page 62
OPERATING INSTRUCTIONS

Attach this information to the wall near the ROBERTS GORDON® heater

®

Read the Installation, Operation and Service Manual thoroughly before installation, operation or service.

OPERATING INSTRUCTIONS

WARNING

 

 

 

1.STOP! Read all safety instructions on this information sheet.

2.Open the manual gas valve in the heater supply line.

3.Turn on electric power to the heater.

4.Set the thermostat to desired setting (above ambient temperature). The automatic starting sequence begins.

 

TO TURN OFF THE HEATER

 

 

 

 

 

1. Turn the thermostat/time switch to 'OFF' or lowest setting. The burner

 

 

 

 

will turn 'OFF' immediately, but fans will continue to cool heat exchanger

 

Fire Hazard

 

until the fan thermostat switches off.

 

 

 

 

 

 

 

 

IF THE HEATER WILL NOT OPERATE, TO ENSURE YOUR SAFETY,

Some objects can catch fire or explode when placed

close to heater.

 

 

 

FOLLOW THESE INSTRUCTIONS TO SHUT DOWN YOUR HEATER

 

 

 

 

1. Set the thermostat to off or the lowest setting.

 

Keep all flammable objects, liquids and vapors the

 

required clearances to combustibles away from heater.

2. Turn off electric power to the heater.

 

 

 

 

 

 

3. Turn off the manual gas valve in the heater supply line.

Failure to follow these instructions can result in death,

4. Call your installer/contractor qualified in the installation and service

injury or property damage.

 

 

of gas-fired heating equipment.

 

 

 

 

 

 

Installation Clearances

 

Clearances to Combustibles

 

Roof Terminal

 

 

 

 

 

 

 

 

 

 

Top

 

 

Top

 

 

(Optional separated

 

 

 

 

 

 

 

combustion concentric

 

 

 

 

 

 

 

venting shown.)

 

 

 

 

 

 

 

Top*

 

Left

Right

Left

Right

 

 

 

 

 

 

 

Wall

 

10'

 

Bottom

 

 

Bottom

Rear*

(3 m)

 

 

 

 

 

Terminal

 

 

 

 

 

 

 

Max. Mounting Height*

 

Models 30 - 125

 

Models 150 - 400

 

 

 

 

 

 

*Models

30 - 125

150 - 400

Models

 

30 - 125

150 - 400

 

Top

 

1" (2.5 cm)

6" (15 cm)

 

Top

1" (2.5 cm)

6" (15 cm)

 

 

Bottom

 

0" (0 cm)

3" (8 cm)

 

Rear

18" (46 cm)

24" (61 cm)

 

 

Right

 

1" (2.5 cm)

31" (79 cm)*

 

Max Mounting Height1

12' (3.7 m) - 20' (6 m)

20' (6 m) - 30' (9 m)

 

 

Left

 

6" (15 cm)

1Heaters can be mounted higher if destratification fans are installed. See Installation, Operation

 

18" (46 cm)*

Vent

 

2" (5 cm)

2" (5 cm)

and Service Manual for specific mounting height recommendations.

 

* Clearance needed for servicing.

 

 

NOTE: Venting directly from top of heater not applicable on Models 150-400.

 

 

 

 

 

 

Roberts-Gordon, LLC

Telephone: 716.852.4400

 

 

 

 

1250 William Street

 

 

 

 

P.O. Box 44

Fax: 716.852.0854

 

 

 

 

 

Buffalo, NY 14240-0044 USA

Toll Free: 800.828.7450

 

 

 

 

 

Installation Code and Annual Inspections:

All installations and service of ROBERTS GORDON® equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Roberts-Gordon and conform to all requirements set forth in the ROBERTS GORDON® manuals and all applicable governmental authorities pertaining to the installation, service and operation of the equipment. To help facilitate optimum performance and safety, Roberts-Gordon recommends that a qualified contractor annually inspect your ROBERTS GORDON® equipment and perform service where necessary, using only replacement parts sold and supplied by Roberts-Gordon.

For installations at elevations above 2000' (610 m), the appliance shall be derated 4% for each 1000' (305 m) of elevation above sea level.

Further Information:Applications, engineering and detailed guidance on systems design, installation and equipment performance is available through ROBERTS GORDON® representatives. Please contact us for any further information you may require, including the Installation, Operation and Service Manual.

Models 100-400 are not for residential use.

© 2007 Roberts-Gordon, LLC

www.rg-inc.com

Printed in U.S.A.

P/N 91040031 Rev B

Image 62
Contents UHA-Series Tubular Unit Heaters Low Profile Range Installation, Operation & Service ManualCombat Models UHAXS 30, 45, 60, 75, 100,Page Printed in U.S.A TABLE OF CONTENTS2008 Roberts-GordonLLC Page TABLE OF FIGURES Page 1.2 Safety Labels and Their Placement SECTION 1: HEATER SAFETY1.1 Manpower Requirements Figure 1: UHA 30 - 45 Label Placement For separated combustion units onlyFigure 2: UHA 60 - 75 Label Placement For separated combustion units onlyFigure 3: UHA 100 - 125 Label Placement For separated combustion units only2.2 Corrosive Chemicals SECTION 2: INSTALLER RESPONSIBILITY2.1 Wall Tag 2.3 National Standards and Applicable Codes3.5 Clearances to Combustibles 3.4 Minimum Required Installation Clearances3.2 Manufactured Units 3.6 Ventilation3.9 Vent 3.7 Gas Supply3.8 Electrical Supply 4.3 Parking Structures and Repair Garages 4.1 Gas Codes4.2 Aircraft Hangars 4.4 Electrical4.6 High Altitude 5.3 Wall Mounting SECTION 5: MAJOR COMPONENTS 5.1 General5.2 Shelf Mounting and Suspension Crush Hazard Use 3/8 threaded rod minimumExisting cabinet screws must be re-used Figure 5: Suspension MethodsFigure 6: Shelf-MountingMethods Wall Shelf Mounting Bracket Kit DescriptionPart Number Descriptionlouver and compress Figure 8: Vertical Louvers OptionalPush in spring to remove6.1 Changing Vent and Air Intake Orientation 6.3 Vent InstallationSECTION 6 VENTING 6.2 Venting6.5 Horizontal Venting 6.3.1Standard Vented Heaters Models UHAX 30 -6.4 Unvented Operation 6.7.1 Maximum Vent Lengths 6.6 Vertical Venting6.7 Length Requirements 6.8 Vent MaterialHorizontal Figure 9: Vent and Roof DetailVertical OptionPage Horizontal Figure 13: Concentric Vent BoxVertical Option OptionVent Terminal SECTION 7 AIR SUPPLY 7.1 Separated Combustion Installation7.2 Unvented Installation 7.3 Building VentilationFigure 15: Gas Connection SECTION 8: GAS PIPING8.1 Connections 9.1.1 Fan Control SECTION 9: WIRING9.1 Positioning Thermostats 9.2 Low Voltage Thermostat with One HeaterRelay Part Number ModelRelay Type UHAXS 30 -90436300 UHAXS 60 -DPST Max. Number of Heaters9.5 Internal Wiring Diagram 9.6 Ladder Wiring Diagram 9.7 Electrical Connection to the Heater 10.1.1 Louvers SECTION 10: OPERATION AND MAINTENANCE10.1 Pre-Start-UpChecks 10.1.2 Electrical ChecksRequired Incoming Signals Figure 16: Automatic Burner Control SequenceFigure 17: Gas Valve for Models UHAXS 30 - Signals Output By ControlCheck Gas Rate 10.2.3 Pressure SwitchFigure 18: Gas Valve for Models UHAXS 60 - 10.2.4 Turning Off the Heater10.3.1 Instruction to the User 10.2.5 External Controls10.3 Complete Start-Up SECTION 11: USER INSTRUCTIONS Reset Limit Switch - See Page 33, SectionFigure 19: Manual Reset Limit Switch 11.1 User InstructionsFigure 20: LED Diagnostic Codes 11.5 Simple Troubleshooting11.5.1 Simple Troubleshooting Burner Faults 11.4.2 To Turn the Heater Off12.4 Heat Exchanger Maintenance 12.2 Burner Maintenance12.3 Fan/Motor Assembly Maintenance 12.5 Gas Valve MaintenanceThe Vicinity of the Heater 12.8 Maintenance Checklist12.7 Venting and Air Intake Pipe See Page 6, SectionPipe when installedCombustion Air Intake Heat ExchangerSECTION 13: TROUBLESHOOTING 13.1 General STARTSECTION 13: TROUBLESHOOTING 13.3 Troubleshooting for Flame Supervision System Correct power 13.4Troubleshooting for Gas Valves13.5Troubleshooting for Flue Blower START14.1 Gas Valve SECTION 14 REPLACEMENT PARTSBurner Components 14.2 Burner Compartment 14.2.1 Burner Injectors14.3 Ignition Electrode and Flame Probe Install Vertical screws 14.4 Heat Exchanger14.5 Louver and Louver Springs Horizontal14.6 Flue Blower Vertical Installation 14.8 Ignition Control 14.7 Pressure Switch14.9 Axial Fan/Guard/Motor Assembly 14.10 Limit Switches 14.9.1 Fan Removal and Replacement14.9.2 To Replace the Fan Assembly 14.10.1 Removal and ReplacementSIDE VIEW SECTION 15: SPECIFICATIONS 15.1 Dimension DataTOP VIEW REAR VIEW15.2 General Technical Data Table All Models 15.3 Technical Data Table All ModelsROBERTS GORDON WILL NOT PAY FOR WARRANTY IS VOID IFROBERTS GORDON WILL PAY FOR Roberts-GordonPage Purchased From if different than installer OWNER WARRANTY REGISTRATION CARDAbout the Installer Type of Installation check onePage Page close to heater Installation ClearancesFire Hazard injury or property damage