Aiko CTH3-115, CTH3-150, CTH3-80, CTH3-200 service manual Ladder Diagram

Page 59

SECTION 10: WIRING

10.6 Ladder Diagram

L1

 

 

 

 

L2

BLK

 

120V

 

 

WHT

 

 

 

 

 

 

24V

 

 

 

GAS VALVE

YEL

BLU

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

 

 

 

BRN

 

 

 

 

WHT

 

 

 

 

 

PRP

BRN

BLK

 

 

 

 

 

 

 

 

ORG

 

 

 

 

DOOR

BLU

GRN

 

 

GRN

BLU

 

 

 

 

SWITCH

 

 

 

 

 

BLU

 

BLU

BLK

MOTOR

BLK

BLU

 

 

 

 

 

 

 

BLU

 

 

BLK

AIR SWITCH

 

 

WHT

 

HOT

 

 

 

 

 

 

CONTROL

 

 

 

SURFACE

 

 

 

WHT

IGNITER

 

 

 

 

 

 

BLK

 

 

 

 

 

 

FLAME

 

 

 

 

SENSOR

 

See Page 39, Section 10.1 through Page 48, Section 10.4.9 for temperature control device options and wiring schematic.

53 of 71

Image 59
Contents Gas-Fired, Low Intensity Unitary Heater Page Roberts-Gordon LLC Page Table of Figures Page California Proposition Heater SafetyManpower Requirements Safety Labels and Their PlacementTop and Bottom Panel Label Placement Side and Back Panel Label Placement National Standards and Applicable Codes Installer ResponsibilityWall Tag Corrosive ChemicalsInches 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 Length Requirements Horizontal VentingVertical Venting Unvented Operation Tube TerminationCommon 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 To Shut Off Heater Operation and MaintenancePre-Season Maintenance and Annual Inspection Sequence of OperationObjects Installation Code and Annual InspectionsVicinity of the Heater Vehicles and OtherBurner Observation MA wiring Suspension PointsSafety Labels Gas LineTroubleshooting General LED Codes Control LEDTroubleshooting Troubleshooting Flow Chart Troubleshooting Manifold Gas Pressure Measurement Pneumatic Connections Replacement Parts Replacement Parts Description Part Number Pipe Connection General SpecificationsDimensions GAS Pressure AT ManifoldPage Limitations on Authority Representatives Warranty is Void ifROBERTS-GORDON will PAY for ROBERTS-GORDON will not PAY forPage Page Page