Thomas & Betts LDAP 1200 warranty General Troubleshooting cont’d, No heat Heater

Page 40

General Troubleshooting (cont’d)

PROBLEM (cont'd)

PROBABLE CAUSE (cont'd)

REMEDY (cont'd)

Burner cycle on and off

1. Gas pressure too high or too low.

1.

Supply pressure should be 5" - 14" w.c. for natural gas or 11" - 14"

 

 

 

w.c. for propane gas.

 

2.

Burner not grounded

2.

Make certain integrated circuit board is grounded to ignitor.

 

3.

Circuit board not grounded.

3.

Make certain integrated circuit board is grounded to furnace chassis.

 

4.

Faulty integrated circuit board

4.

If 24 volt is available to the integrated circuit board and all other

 

 

 

causes have been eliminated, replace board.

 

5.

Combustion air proving switch(es) not

5.

 

 

closing.

a) Make sure unit is properly vented.

 

 

 

b) Remove obstructions from vent.

 

 

 

c) Replace faulty tubing to pressure switch.

 

6.

Faulty combustion air proving switch.

6.

Replace combustion air proving switch.

 

7.

Flame sensor grounded.

7.

Be certain flame sensor lead is not grounded or insulation or ceramic

 

 

 

is not cracked. Replace as required.

 

8.

Cracked ceramic at sensor.

8.

Replace sensor.

 

9.

Incorrect polarity.

9.

Reverse line volt leads to integrated circuit board.

No heat (Heater

1. Incorrect valve outlet pressure or orifice.

1.

Check valve outlet pressure. See Rating plate for manifold pressure.

Operating)

2. Cycling on limit control.

2.

Check air throughput.

 

3.

Improper thermostat location or adjustment.

3.

See thermostat manufacturer's instructions.

Fan or venter motor will

1. Circuit open.

1.

Check wiring and connections.

not run

2. Defective integrated circuit board.

2.

Replace board.

 

3.

Defective motor.

3.

Replace motor.

Fan or venter motor turns

1. Motor overload device cycling on and off.

1.

Check motor load against motor rating plate. Replace motor if needed.

on and off while burner is

 

 

 

 

operating

 

 

 

 

 

 

 

 

Fan or venter motor cuts

1. Low or high voltage supply.

1.

Correct electric supply.

out on overload

2. Defective motor.

2.

Replace motor.

 

3.

Poor airflow.

3.

Clean motor, fan, fan guard, filter, and coils.

 

4.

Defective bearing or lubrication.

4.

Lubricate bearings (motor permitting) or replace motor.

FOR SERVICE OR REPAIR, FOLLOW THESE STEPS IN ORDER:

FIRST:

Contact the Installer

 

Name __________________________________________________________

 

Address_________________________________________________________

 

__________________________________________________________

 

__________________________________________________________

 

Phone _____________________________________

SECOND:

Contact the nearest distributor (See Yellow Pages). If no listing,

 

contact Authorized Factory Representative, 1-800-695-1901 (Press 1).

THIRD:

Contact

REZNOR®/ Thomas & Betts Corporation

 

 

150 McKinley Avenue

 

 

Mercer, PA 16137

 

 

Phone: (724) 662-4400

Model No. _________________________________

Heater Serial No._____________________________

Date of Installation ___________________________

 

(800) 695-1901; www.RezSpec.com

 

©2005 Thomas & Betts Corporation, All rights reserved.

 

MANUFACTURER OF HEATING, COOLING, AND VENTILATING SYSTEMS

Form RZ-NA-I-LDAP, P/N 207733 (Rev 2), Page 40

Trademark Note: Reznor® and TCORE2® are trademarks of Thomas & Betts.

9/05 Form RZ-NA I-LDAP (Version .2)

Page 39 Page 40
Image 40
Page 39 Page 40
Contents Table of Contents Reznor Model LdapWarranty General Installation CodesHazard Levels of Warnings in this Manual Switches Uncrating and Preparation High Altitude OperationTechnical Data DimensionsModel One DownflowModel LDAP800 and Model LDAP1200 Combustion Air ClearancesClearances inches/mm Mounting Height Heater Throw All Models Heater LocationThrow feet and meters Hanging or Mounting the Heater and Installing Louvers Heater Location cont’dSound Data Location RecommendationsWall Mounting Guidelines for Wall Mounting Model Ldap HeatersInstalling Heater and Louvers cont’d Installing LouversGas Piping and Pressures Sizing Gas SupplyValve Outlet or Orifice Pressure Setting Gas Connection SizeHorizontal Supply Vertical SupplyPressures GasCont’d Supply Wiring Burners Electrical Supply ConnectionsElectrical Supply and Connections cont’d Disconnect SwitchThermostat and Connections CL7 Thermostat and Connections cont’d Multiple Heater Control Option CL31 and Option CL32Connections for Model Ldap 1200 with Option CL1, CL2, CL3, CL7, or CL18Combustion Air Proving Pressure Switches Pressure Switch SettingsLimit Control High Limit ControlIgnition System Normal Heat Cycle Operating Sequence Abnormal Heat Cycle FunctionsIgnition System cont’d Fault Modes Lockout Fan Motor WiringGas Valves Fan MotorsWiring Diagrams Wiring DiagramWhite = Neutral Black = High Heat Speed Wiring Diagrams cont’d Above control wiring isAbove control wiring is Line VoltageVenting Venting RequirementsType of Vent Pipe VerticalJoints and Sealing Venting cont’d Venting Requirements cont’dJoints and Sealing cont’d Double Vent Wall Pipe With Sealant Pipe RunWall Ft 1M Minimum 305 mm Check the installation prior to startup Heater Startup Check Installation and StartupOperating Instructions Operating Sequence Check installation after startup Vent System Testing ProcedureMaintenance Schedule DimensionsWay Discharge Louvers, Option CD32 Nozzles NozzleHeat Exchanger Maintenance Burner Maintenance Location of ControlsBurner Maintenance cont’d Inspect and Clean the BurnerRe-Install the Burner Instructions to Re-Install the Burner Refer to FigureBurner Orifices Heat Section Venter Motor and WheelIgnitor Flame Sensor MeasurementHeat Section Venter Motor and Wheel cont’d Main Venter Motor and Wheel Models 800 and 1200 onlyFan Blades GuardsCombustion Air Pressure Switches Operating Gas ValvesTroubleshooting Vent SystemGeneral Troubleshooting Problem Probablecause RemedyGeneral Troubleshooting cont’d No heat Heater

LDAP 1200 specifications

The Thomas & Betts LDAP 1200 is a cutting-edge lighting control system designed specifically to enhance energy efficiency, reduce operational costs, and promote flexibility in various lighting applications. Ideal for commercial and industrial environments, the LDAP 1200 integrates advanced technologies to create a robust solution for managing lighting systems.

One of the standout features of the LDAP 1200 is its intelligent control capabilities. With occupancy sensors and daylight harvesting technology, the system can automatically adjust lighting levels based on the presence of people and the amount of natural light available. This results not only in energy savings but also in improved occupant comfort.

The LDAP 1200 is designed for easy installation and configuration. Its modular design allows for scalability, making it suitable for both small spaces and large commercial projects. The system supports a variety of lighting types, including LED, fluorescent, and incandescent, ensuring compatibility with existing infrastructure.

User-friendly interfaces are another key characteristic of the LDAP 1200. Operating through a centralized control panel or a mobile app, users can easily monitor and adjust lighting settings, schedule operations, and receive real-time feedback. This level of control empowers facility managers to respond quickly to changing needs and optimize lighting performance.

In terms of energy management, the LDAP 1200 integrates seamlessly with building management systems (BMS), enabling complex scheduling and reporting functions. The system collects data on energy usage, helping organizations to track performance and implement strategies to further reduce consumption.

Durability and reliability are paramount in industrial applications, and the LDAP 1200 does not disappoint. Constructed with high-quality materials, the system is designed to withstand everyday wear and tear. Its robust architecture ensures that it will function effectively in various environmental conditions.

In summary, the Thomas & Betts LDAP 1200 is a versatile and efficient lighting control solution that plays a critical role in enhancing energy efficiency, reducing costs, and improving user experience. With its intelligent control features, user-friendly interfaces, and compatibility with various lighting types, the LDAP 1200 represents a significant advancement in lighting technology, making it a smart choice for modern facilities seeking to optimize their lighting systems.
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