Table of Contents
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Installation
Start-Up
Maintenance
Parts
Warranty
UFTC-140 / 199* Models
* "F" Denotes Floor Model; "W" Denotes Wall Mount Model, "LP" Denotes Propane Gas
This manual must only be used by a qualified service technician. Read all instructions in this manual before installing. Perform
steps in the given order. Failure to do so could result in substantial property damage, severe personal injury, or death.
Improper installation, adjustment, alteration, service, or maintenance could void product warranty and cause property
damage, severe personal injury, or death.
California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth
defects, or other reproductive harm.
The manufacturer reserves the right to make product changes or updates without notice and will not be held liable for
typographical errors in literature.
The surfaces of these products contacted by potable (consumable) water contain less than 0.25% lead by weight as required
by the Safe Drinking Water Act, Section 1417.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
272 Duchaine Blvd.
Universal Fire Tube
This Manual For Use With Boilers Manufactured On or After January 1, 2020
DANGER
!
WARNING
!
NOTICE
New Bedford, MA 02745
Floor and Wall Mount
Combi Boilers
Heat Exchanger Bears the
ASME "H" Stamp
www.htproducts.com
LP-648 Rev. 002 Rel. 002 Date 9.16.20
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Table of Contents
Related Manuals for HTP UFTC-199
Summarization of Contents
Installation
Start-Up
Initial steps to get the boiler operational.
Maintenance
Procedures for routine upkeep and servicing of the boiler.
Parts
Identification and listing of replacement parts for the boiler.
Warranty
Details on warranty coverage, terms, and exclusions for the boiler.
General Safety Information
Operation and Installation Warnings
Critical safety warnings for operation and installation.
When Servicing the Boiler
Safety guidelines and procedures for servicing the boiler.
General Safety Information
Improper Combustion
Hazards and precautions related to improper combustion.
Gas
Safety considerations for gas supply and operation.
Boiler System
Information on the boiler's system components and operation.
Water Chemistry Requirements
Guidelines for maintaining proper water chemistry for boiler longevity.
Freeze Protection
How the boiler's freeze protection feature operates.
Water Temperature Adjustment and Scalding
Adjusting water temperature and preventing scald hazards.
High Elevation Installations
Considerations for installing the boiler at high elevations.
Before You Start
What's in the Box
List of components included with the boiler package.
Optional Equipment
Available optional accessories and their part numbers.
Prepare the Boiler Installation
Locating the Boiler
Guidelines for selecting an appropriate installation location for the boiler.
Leveling
Importance of leveling the boiler for proper condensate flow.
Clearances for Service Access
Required clearances around the boiler for servicing.
Residential Garage and Closet Installations
Specific precautions for garage and closet installations.
Exhaust Vent and Intake Pipe
Requirements for installing the exhaust and intake vent system.
Water Piping
General Plumbing Guidelines
General recommendations for water piping installation and codes.
Backflow Preventer
Requirements and considerations for installing a backflow preventer.
Expansion Tank
Importance and proper installation of an expansion tank.
Piping the Boiler
Instructions for piping the boiler's CH and DHW connections.
Venting
General
General guidelines and safety for the venting system.
Approved Materials for Exhaust Vent and Intake Pipe
List of approved materials for vent and intake piping.
Additional Requirements for Installation in Canada
Specific venting requirements for installations in Canada.
Exhaust Vent and Intake Pipe Location
Guidelines for proper placement of vent and intake terminations.
Installing the Condensate Drain
Condensate Disposal
Procedures and requirements for disposing of boiler condensate.
Connecting Electrical Service
Wiring
Instructions for electrical wiring and grounding the boiler.
Dip Switches
Configuration of DIP switches for boiler operation.
Gas Connections
Gas Pipe Sizing Tables
Tables for sizing gas pipes based on capacity and length.
Gas Connection Requirements
Guidelines for connecting the gas supply to the boiler.
Additional Precaution for Excess Flow Valve (EFV)
Precautions regarding excess flow valves in gas lines.
Checking Gas Pressure at the Boiler for Proper Operation
How to check and set gas pressure for optimal boiler function.
Setting and Verifying the Combustion Setting
Adjusting and verifying combustion settings for safe operation.
Controls
Control and Display Overviews
Explanation of the boiler's control panel and display features.
Start-Up Sequence
The sequence of events during the boiler's startup process.
Changing the DHW Set-Point
How to adjust the domestic hot water temperature setting.
Changing the Temperature Indicator
Method to switch temperature units between Celsius and Fahrenheit.
Changing the CH Set-Point
How to adjust the central heating temperature set-point.
Storage Mode
Understanding the boiler's operation in storage mode.
Lock Function
How to activate and use the control panel lock function.
Status Display
Overview of the boiler's status display screens and parameters.
Installer Mode
Accessing and using the installer mode for configuration.
Outdoor Temperature Mode (Optional)
How the optional outdoor temperature mode functions.
0-10 Volt Input
Connecting and using a 0-10V input for external control.
Troubleshooting
Error Code
Explanation of error codes and their meanings.
Error Tree Analysis
Flowcharts to diagnose specific operational issues.
Suggested Corrective Actions
Common problems and their recommended solutions.
Start-Up
Check / Control Water Chemistry
Importance of checking and treating water chemistry before startup.
Check for Gas Leaks
Procedures for checking gas lines for leaks before operation.
Freeze Protection (When Used)
Guidelines for using freeze protection fluids in the system.
Fill and Test Water System
Steps for filling and testing the water system for leaks.
Purge Air from CH and Internal Storage Tank
How to remove air from the heating and storage tank systems.
Purge Air from DHW System
Procedure for purging air from the domestic hot water system.
Check Thermostat Circuit(s)
How to check the thermostat wiring and circuits.
Condensate Removal
Procedures for managing condensate from the boiler.
Installation Checklist
Before Installing
Pre-installation checks for the boiler and location.
Water Piping
Checklist items related to water piping installation.
Install Exhaust Vent and Intake Piping
Checklist items for venting system installation.
Install Condensate Piping / Tubing and Components
Checklist items for condensate line installation.
Install Gas Piping
Checklist items for gas piping installation.
Relief Valve
Checklist items for proper relief valve installation.
Wiring
Checklist items for electrical wiring and connections.
Start-Up, Adjust, and Test
Checklist items for post-installation testing and adjustments.
Final Installation Approvals
Sign-off section for technician and homeowner.
Maintenance
Flushing the CH Closed Loop Heat Exchanger
Procedure for flushing the CH heat exchanger to remove sediment.
Flushing the DHW Loop Heat Exchanger
Procedure for flushing the DHW heat exchanger to remove sediment.
Cleaning the CH and DHW Inlet Filters
Steps to clean the boiler's CH and DHW inlet filters.
Maintaining the Condensate System
Procedures for maintaining the condensate trap and system.
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