Table of Contents
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BTH
M
odels ranging from 8 kW to 36 kW :
2 4 0 V o l t s ( 1 p h a s e ) & 6 0 0 V o l t s ( 3 p h a s e s ) .
USE & CARE MANUAL
WITH INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR
Your BTH Electric Boiler has been carefully assembled and factory tested to provide years
of trouble-free service. The following information and safety measures are provided to
enable proper installation, operation, and maintenance of this product.
It is imperative that all persons who are expected to install, operate or adjust this boiler
should read these instructions carefully.
Any questions regarding the operation, maintenance, service or warranty of this electric
boiler should be directed to the supplier.
When all installation steps have been completed, insert this installation manual in its original
envelope, and keep in a safe place (close to the boiler) for future reference.
THERMO 2000 INCORPORATED
Printed in Canada
Electric Boilers
revision:August/06
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Table of Contents
Related Manuals for THERMO 2000 BTH 20
Summarization of Contents
General Safety Precautions
Introduction and Safeguards
Discusses safeguards and cautions for safe operation and understanding.
Local Installation Regulations
Outlines requirements for installation according to local and national codes.
Security Considerations
Details maximum operating pressure and temperature limits.
Location Requirements
Specifies suitable installation locations and environmental conditions.
Clearance Requirements
Lists required minimum clearances for servicing and inspection.
Leakage and Corrosive Atmosphere Warnings
Warns about leakage damage, corrosive atmospheres, and suggests drain pan installation.
Shipment Inspection
Advises inspecting the unit for shipping damage and checking the model tag.
Installation
Wiring Requirements
Details wiring requirements conforming to electrical codes and grounding for different voltage models.
Boiler Water Connections
Details piping connections, parallel installation, unions, and dielectric unions.
System Pressure Control
Explains the function of an expansion tank in managing water volume and pressure.
Water Makeup, Air Bleeding, and Zoning
Addresses water makeup, air bleeding, and recommendations for circulator/zone valve placement.
Dual Energy Installation
Explains connecting the boiler to an oil heater for dual energy use.
Wiring Diagrams
240V Models
Presents electrical wiring diagrams for various 240V models (6-33 kW).
600V Models
Presents electrical wiring diagrams for various 600V models (9-36 kW).
Dual Energy Control CBE-EM Wiring
Details the wiring diagram for the CBE-EM dual energy control system.
System Piping Schematics
Valve Zoning to Baseboards
Illustrates piping layout for zone valves and baseboard heating systems.
Direct Boiler to Radiant Loop Piping
Shows piping for direct boiler water supply to radiant heating loops.
Modulating Boiler to Radiant Loop Piping
Illustrates piping for modulating boiler water supply to radiant heating loops.
Pump and Sizing
Boiler Water Temperature Drop (BWTD)
Explains boiler water temperature drop and its impact on system design and pump sizing.
Pump Flow Rate Calculation
Provides the formula and example for calculating pump flow rate based on boiler output.
Pipe Sizing Criteria
Details guidelines for selecting pipe sizes based on velocity, pressure drop, and noise control.
Pump or Circulator Selection
Advises on selecting the correct pump based on performance curves and dealer consultation.
Operation
Filling the Boiler
Step-by-step guide for filling the boiler with water and performing leak checks.
Adjusting the Aquastats
Instructions on setting aquastats for optimal temperature control and energy efficiency.
Pump Power Supply
Explains how to supply power to the pump using relays or zone valve contacts.
Maintenance
Boiler Water Piping Inspection
Describes yearly visual inspection of boiler water piping for leaks and joint integrity.
Pressure Relief Valve Inspection
Details monthly inspection and manual operation of the pressure relief valve.
Limited Warranty
Residential Installation Warranty
Details the 10-year limited warranty for residential installations, including prorated coverage.
Commercial Installation Warranty
Outlines the 10-year limited warranty for commercial installations with prorated coverage.
Components & Parts Warranty
Covers a one-year warranty for all other BTH components and parts against defects.
Warranty Exclusions
Lists conditions that void the warranty, such as improper installation, maintenance, or misuse.
Warranty Limitations
States limitations on Thermo 2000's responsibility and warranty terms, replacing other warranties.
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