Aiko CTH3-80, CTH3-150, CTH3-200, CTH3-115 service manual Gas-Fired, Low Intensity Unitary Heater

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FOR YOUR SAFETY

If you smell gas:

1.Open windows.

2.DO NOT try to light any appliance.

3.DO NOT use electrical switches.

4.DO NOT use any telephone in your building.

5.Extinguish any open flame.

6.Leave the building.

7.Immediately call your local gas supplier after leaving the building. Follow the gas supplier’s instructions.

8.If you cannot reach your gas supplier, call the Fire Department.

WARNING

Fire Hazard

Keep all flammable objects, liquids and vapors the minimum required clear- ances to combustibles away from heater.

Some objects will catch fire or explode when placed close to heater.

Failure to follow these instructions can result in death, injury or property damage.

WARNING

Improper installation, adjustment, alteration, service or maintenance can result in death, injury or property damage. Read the Installation, Operation and Service Manual thoroughly before installing or servicing this equipment.

Installation must be done by a contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier.

© 2012 Roberts-Gordon LLC

Gas-Fired, Low Intensity Unitary Heater

Installation, Operation & Service Manual

CTH3-80

CTH3-115

CTH3-150

CTH3-200

Installer

Please take the time to read and understand these instructions prior to any installation.

Installer must give a copy of this manual to the owner.

Owner

Keep this manual in a safe place in order to provide

your serviceman with necessary information.

Roberts-Gordon LLC

1250 William Street

P.O. Box 44

Buffalo, New York 14240-0044

Telephone: +1.716.852.4400

Fax: +1.716.852.0854

Toll Free: 800.828.7450

www.rg-inc.com

 

www.radiantheaters.com

P/N 134100NA Rev K 02/12

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Contents Gas-Fired, Low Intensity Unitary Heater Page Roberts-Gordon LLC Page Table of Figures Page Manpower Requirements Heater SafetySafety Labels and Their Placement California PropositionTop and Bottom Panel Label Placement Side and Back Panel Label Placement Wall Tag Installer ResponsibilityCorrosive Chemicals National Standards and Applicable CodesInches Centimeters Model Maintain clearances to combustibles at all times for safetyONE Side Reflector Tube TUBE, Standard ReflectorUnapproved Foot Deco Grille and Protective GrilleNational Standards and Applicable Codes Major Components Model Tubing Length Core Packages Minimum Aluminized Standard Parts ListHeater Installation Typical Suspension Details Linear Heater Assembly Overview Linear Heater Layout Overview Tube Clamp Package Installation Burner Tube InstallationInsert tubes into coupling Tighten coupling to join tubes Coupling and Tube AssemblyTurbulator Installation 2 Coupling and Tube AssemblyHanger Burner Tube Reflector Reflector InstallationDescription Part Number Reflector Support Package 1 Reflector, U-Clip and Reflector Support InstallationWindow facing down Burner InstallationTube Configuration Optional Heater AccessoriesTube Heater Assembly Overview Tube Heater Layout Overview 2 Elbow Installation Elbow Package Configuration .2.1 Elbow Installation3 Reflector Joint Installation Reflector Joint Detail 4 Reflector Joint Installation 5 Reflector Joint DetailReflector Side Extension 2 Side Reflector InstallationScr ews 2 Frame Shield Installation 3 Grille Installation 2 Grille End Cap InstallationCanadian Requirements United States RequirementsUnvented Operation Vertical Venting Horizontal VentingUnvented Operation Tube Termination Length RequirementsCommon Side Wall Venting Vertical Ventilation 4 10 cm PipeCommon Vertical Venting Outside Combustion Air Supply Vertical Outside Air Supply for Single Heater InstallationSide View TOP View Vertical Outside Air Supply for Double Heater InstallationGAS Piping Correct Positions Standard Heater Configuration WiringCentral and Satellite Heaters Zoning Capability Central Heater ConfigurationSatellite Heater Jumper Setting Satellite Heater ConfigurationCommunication Wiring within a Zone of Heaters Communication Wiring within a Zone of Heaters Zone Sensor Heat Demand Control WiringThermostat MS/TP Wiring Analog Signal Modulating Thermostat P/NSequence of Operation for Modulating Thermostats Remote Analog Signal Power RequirementsCable Termination Analog Control Signal Wiring Diagram Potentiometer Control Device Potentiometer Control Wiring DiagramThermostat, modulating Description Part Number Modulating Thermostat Wiring Diagram with BACnet optional Internal Wiring Ladder Diagram Electrical Connection to the Burner Line Voltage Power WiringLow Voltage Control Wiring Installation Pre-Season Maintenance and Annual Inspection Operation and MaintenanceSequence of Operation To Shut Off HeaterVicinity of the Heater Installation Code and Annual InspectionsVehicles and Other ObjectsSafety Labels MA wiring Suspension PointsGas Line Burner ObservationTroubleshooting General LED Codes Control LEDTroubleshooting Troubleshooting Flow Chart Troubleshooting Manifold Gas Pressure Measurement Pneumatic Connections Replacement Parts Replacement Parts Description Part Number Dimensions General SpecificationsGAS Pressure AT Manifold Pipe ConnectionPage ROBERTS-GORDON will PAY for Warranty is Void ifROBERTS-GORDON will not PAY for Limitations on Authority RepresentativesPage Page Page