Aiko CTH3-80, CTH3-150, CTH3-200, CTH3-115 service manual Troubleshooting

Page 65

SECTION 12: TROUBLESHOOTING

SECTION 12: TROUBLESHOOTING

DANGER

Electrical Shock Hazard

Disconnect electric before service.

More than one disconnect switch may be required to disconnect electric from heater.

Heater must be properly grounded to an electrical source.

Failure to follow these instructions can result in death or electrical shock.

WARNING

Fire Hazard

Explosion Hazard

Burn Hazard

Cut/Pinch Hazard

Keep all flammable

Turn off gas supply to

Allow heater to cool

Wear protective gear

objects, liquids and

heater before service.

before service.

during installation,

vapors the minimum

 

Tubing may still be hot

operation and service.

required clearances to

 

Edges are sharp.

combustibles away

 

after operation.

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.

59 of 71

Image 65
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 3 Reflector Joint Installation Elbow Package Configuration .2.1 Elbow Installation2 Elbow 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 InstallationUnvented Operation United States RequirementsCanadian Requirements Vertical Venting Horizontal VentingUnvented Operation Tube Termination Length RequirementsCommon Side Wall Venting Vertical Ventilation 4 10 cm PipeCommon Vertical Venting Side View Vertical Outside Air Supply for Single Heater InstallationOutside Combustion Air Supply 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 Thermostat Heat Demand Control WiringZone Sensor Sequence of Operation for Modulating Thermostats Analog Signal Modulating Thermostat P/NMS/TP Wiring Cable Termination Power RequirementsRemote Analog Signal 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