Roberts Gorden BH-60, BH-40, BH-150, BH-175, BH-115, BH-100 Low Voltage Thermostat Wiring, Front View

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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

10.2 Low Voltage Thermostat Wiring

SPST Transformer Relay

FRONT VIEW

BACK VIEW

 

 

 

 

 

 

 

 

R

C

Low Voltage Thermostat

 

 

1

 

3

 

 

 

 

 

2

 

 

 

 

 

 

Black

4

6

 

 

 

 

 

 

COIL

5 COIL

W

G

Y

 

 

Black

 

 

 

 

 

 

 

 

120 V-60 Hz

 

White

Red

 

 

 

 

Supply Circuit

 

 

 

 

 

L1

 

 

 

 

 

 

 

 

Additional

L2

 

 

 

N

H

 

 

 

Burners

Gnd.

 

 

 

 

 

N

H

 

 

 

 

 

Gnd.

 

 

 

Gnd.

 

 

 

 

 

 

 

 

 

Maximum 8 Burners

 

 

 

 

 

 

 

 

 

Per Relay

 

Burner 1

 

 

 

Burner 2

 

 

 

Description

Part Number

 

 

 

 

 

 

 

 

SPST Transformer Relay

90417600K

 

 

 

 

 

 

 

 

Low Voltage Thermostat

90425100

 

 

 

 

 

 

 

 

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Contents Property damage. Read the Installation, Operation Improper installation, adjustment, alteration, serviceOr maintenance can result in death, injury or Installation must be done by a contractor qualifiedPage Roberts-Gordon LLC Page Table of Figures Page Safety Labels and Their Placement Heater SafetyManpower Requirements California PropositionTop and Bottom Panel Label Placement Side and Back Panel Label Placement National Standards and Applicable Codes Installer ResponsibilityWall Tag Maintain clearances to combustibles at all times for safety Clearances are the required distances thatCentimeters InchesC D Model45 Tilt Reflector Model Tube, Standard Reflector ModelTube, Opposite 45 Reflector Model Inches CentimetersVenting Inches Centimeters ModelNational Standards and Applicable Codes Burner Tube Major ComponentsStainless Steel Reflector End CapContents of Core and Extension Packages Standard Parts ListContents of BH-Series Burner Carton Core Packages Minimum Standard Aluminized BH-Series Component Package Guide Model Tubing LengthHeater Installation Typical Suspension Details Linear Heater Assembly Overview Linear Heater Layout Overview Burner Tube Installation Linear Heater Layout OverviewOpen Tube Clamp Package InstallationCoupling and Tube Assembly Closed1 Coupling and Tube Assembly 2 Coupling and Tube AssemblyTurbulator Installation Not required on the BH-125/150/175/200Hanger Burner Tube Reflector 1 Reflector, U-Clip and Reflector Support Installation Description Part Number Reflector Support PackageBurner Installation Optional Heater Accessories Tube, Opposite Tube, StandardTube Tube Heater Layout Overview Elbow Package Configuration .2.1 Elbow Installation Tube Layout Overview2 Elbow Installation 5 Reflector Joint Detail Reflector Joint DetailReflector Side Extension 1 Bracket Installation 2 Side Reflector InstallationDescription Part Number Lower Clearance Shield Package 2 Frame Shield Installation Distance a Extension2 Grille End Cap Installation 3 Grille InstallationCanadian Requirements VentingUnited States Requirements Vertical Venting Unvented OperationHorizontal Venting Unvented Operation Tube TerminationOutside Wall Vertical Ventilation 4 10 cm PipeCommon Side Wall Venting Common Vertical Venting Vertical Outside Air Supply for Single Heater Installation Outside Combustion Air SupplyVertical Outside Air Supply for Double Heater Installation Horizontal Outside Air Supply for Double Heater InstallationGAS Piping Hold gas nipple securely with pipe wrench When attaching gas hoseCorrect Positions Failure to follow these instructions can resultWiring Line Voltage Thermostat WiringLow Voltage Thermostat Wiring Front ViewInternal Wiring Ladder Diagram Electrical Connection to the Burner Sequence of Operation Operation and MaintenancePre-Season Maintenance and Annual Inspection To Shut Off HeaterObjects Vicinity of the HeaterVehicles and Other ReflectorMotor Burner Cup and Orifice Safety LabelsBlower Scroll, Wheel ElectrodeTroubleshooting Troubleshooting Flow Chart YESPage Manifold Gas Pressure Setting Replacement Parts Replacement Parts Description Part Number GAS Pressure AT Manifold General SpecificationsDimensions Pipe ConnectionPage ROBERTS-GORDON LLC will not PAY for Warranty is Void ifROBERTS-GORDON LLC will PAY for Limitations on Authority RepresentativesPage Page Page
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