ANSI / NSF
commercial gas water heaters
Instruction Manual
MODELS SUF-60-120 THROUGH SUF-100-250 SERIES 100
Table Of Contents
DANGER
Safe Installation, Use and Service
APPROVALS
ASME CRN ANSI / NSF
Improper installation, use and service may result in property damage
General Safety Information
Explosion Hazard
Precautions
Fire and Explosion Hazard
Fire or Explosion Hazard
Breathing Hazard - Carbon Monoxide Gas
Electrical Shock Hazard
Abbreviations Used
Introduction
Preparing For The Installation
Qualified Installer or Service Agency
Basic Operation
Features And Components
120,000 & 150,000 Btu/hr MODELS
199,000 & 250,000 Btu/hr MODELS
Top Views
Btu/hr MODELS
TOP VIEW
FRONT
FRONT
Top Views cont
SUF 199 & 250 Components
199,000 & 250,000 Btu/hr MODELS
LEFT SIDE
RIGHT SIDE
120,000 & 150,000 Btu/hr MODELS
Rough In Dimensions
Installation Considerations
Gas Line Connection Size
Recovery Capacities
Fire or Explosion Hazard
Locating The Water Heater
Optional Concentric Terminations
Service Clearance
Breathing Hazard - Carbon Monoxide Gas
Extended Vent Terminations
Dedicated Power Wiring and Breakers
Installation Requirements
Power Supply
Power Fluctuations and Electrical Noise
Closed Water Systems
Water Temperature
Mixing Valves
Dishwashing Machines
T&P Valve Discharge Pipe Requirements
Water Damage Hazard
Temperature-Pressure Relief Valve
Explosion Hazard
Condensate Drain
Fire or Explosion Hazard
Breathing Hazard - Carbon Monoxide Gas
Breathing Hazard - Carbon Monoxide Gas
Confined Space
Breathing Hazard - Carbon Monoxide Gas
Air Requirements
Unconfined Space
Outdoor Air Through Two Horizontal Ducts
Fresh Air Openings For Confined Spaces
Outdoor Air Through Two Openings
Outdoor Air Through One Opening
Air From Other Indoor Spaces
Outdoor Air Through Two Vertical Ducts
APPROVED CARBON MONOXIDE DETECTORS
Installation Requirements - Commonwealth of Massachusetts
INSTALLATION OF CARBON MONOXIDE DETECTORS
Commonwealth of Massachusetts
Breathing Hazard - Carbon Monoxide Gas
Venting Installation
Power Vent Configuration
Direct Vent Configuration
Inspect/Adjust Intake Air Tee Fitting
90 TO
INTAKE AIR CONNECTION PIPE 199,000 & 250,000 Btu/hr MODELS
INTAKE AIR TEE FITTING
Primer and Cement
Venting Requirements
Approved Materials
Field Supplied Fittings
VENT EXHAUST CONNECTION
Venting Installation Sequence
Power Vent Installation
Direct Vent Installation
Breathing Hazard - Carbon Monoxide Gas
INTAKE AIR CONDENSATE TEE INSTALLATION
INTAKE AIR CONNECTION
INTAKE AIR SCREEN
Vertical Termination Installation
STANDARD FACTORY SUPPLIED TERMINATIONS
VERTICAL TERMINATION - DIRECT VENT
VERTICAL TERMINATIONS INSTALLATION
VERTICAL TERMINATIONS FLAT ROOF CLEARANCE
SIDEWALL TERMINATION INSTALLATION
Sidewall Termination Installation
4 INCH CONCENTRIC TERMINATION FLAT ROOF CLEARANCE
Concentric Termination Installation
4 INCH CONCENTRIC TERMINATION KIT
4 Inch Concentric Termination Installation
Three Concentric Terminations
A B A
Multiple Concentric Termination Clearances
Close Proximity & Standard Clearance
Four Concentric Terminations
The illustrations on this page show some of the installation arrangements for multiple concentric terminations that are allowed
Multiple Concentric Termination Arrangements
Two Concentric Terminations
Direct Vent Horizontal
Power Vent Horizontal
Power Vent Vertical
Venting Arrangements
Direct Vent Horizontal Concentric
Venting Arrangements
Direct Vent Vertical Vent Horizontal Intake
Direct Vent Horizontal Vent Vertical Intake
Termination Clearances Sidewall Power Vent
Termination Clearances Sidewall Direct Vent
Installation Notes
Water Heater Installation
CONDENSATE TRAP DETAIL
Condensate Drain Installation
Supply Gas Line Sizing U. S. Units
Supply Gas Line Installation
Fire and Explosion Hazard
Gas Line Sizing
Supply Gas Regulator Installation
SUPPLY GAS LINE CONNECTION
199,000 & 250,000 Btu/hr MODELS
SUPPLY GAS LINE CONNECTION 120,000 & 150,000 Btu/hr MODELS
Connecting An External Supervisory Control
Electrical Wiring
Power Supply Connections
Enable/Disable Circuit
T&P Valve Discharge Pipe
Water Piping Diagrams
Water Damage Hazard
Water Line Connections
Operating Set Point
Temperature Regulation
Tank Temperature
103F
UIM user interface module
Tank Temperature
adjust user settings
Control System Operation
Icon
Status Icons
Description
Control System Menus
Operating States
State
Description
120F
Tank Temperature
Display Settings
Current Fault
140F
Temperatures
Temperatures
Operating Set Point
Display Settings
Temperature Units
Backlight Delay
Contrast
Fault Occurrence
Restore Factory Defaults
Blocked Exhaust
Fault History
Service Contact Information
Service Contact Information
Service Contact Information
Service Contact Information
Initial Start Up
Start Up
Fire or Explosion Hazard
Prior to Start up
120,000 & 150,000 Btu/hr MODELS
GAS VALVE SIDE VIEW
120,000 & 150,000 Btu/hr MODELS
GAS VALVE TOP VIEW
Fire and Explosion Hazard
Supply Gas Pressure Adjustment
Manifold Gas Pressure Adjustment
Multiple Appliance Installations
Checking The Firing Rate
High Altitude Installations
Fire and Explosion Hazard
Breathing Hazard - Carbon Monoxide Gas
OPERATING INSTRUCTIONS
FOR YOUR SAFETY READ BEFORE OPERATING
Lighting The Water Heater
SUF 60 120 AND SUF 100 150 MODELS ONLY
LIGHTING THE WATER HEATER
SUF 100 199 AND SUF 100 250 MODELS ONLY
FOR YOUR SAFETY READ BEFORE OPERATING
ON/OFF SWITCH
Water Heater Location
Troubleshooting
Installation Checklist
Sequence Of Operation
YESNO
Sequence Of Operation Flow Chart
Fire and Explosion Hazard
Burn Hazard
Operational Problems
Installation Errors
Resetting Control System Lock Outs
Fault And Alert Conditions
Replacement Parts
Fault Conditions
Low Igniter Current
AC Reversed
Ignition Failure
Low Gas Pressure
Energy Cut Out ECO
Blower Prover Failure
Blower Prover Open
Blocked Air Intake
Explosion Hazard
Maintenance
Maintenance Schedule
Precautions
Manual Lime Scale Removal
Filling The Water Heater
Sediment Removal
Lime Scale Removal
Explosion Hazard
Powered Anode Rods
Drain Valve and Access Panels
Temperature-Pressure Relief Valve Test
J3 J5
Diagrams
S1 DIPSWITCH DETAIL
5 J2 J1
USER INTERFACE MODUL
SUF 199 & 250 Wiring Diagram
CCB CENTRAL CONTROL BOARD
USER INTERFACE MODUL
Circulation Pump Wiring Diagrams
CIRCULATING PUMP WIRING DIAGRAM
CIRCULATING PUMP WIRING DIAGRAM DISHWASHER LOOP WITH TOGGLE SWITCH
STORAGE TANK OR BUILDING RECIRCULATION
Water Piping Diagrams
12” TO 15” MINIMUMHOT
Water Piping Diagrams
LINE TEMPERATURE CONTROL
LINE TEMPERATURE
ONE WATER HEATER, SINGLE TEMPERATURE
Water Piping Diagrams
STATE STORAGETANK
WARNING THIS DRAWING SHOWS SUGGESTED
Water Piping Diagrams
ONE WATER HEATER, SINGLE TEMPERATURE
PIPING CONFIGURATION AND OTHER DEVICES
TWO WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION
Water Piping Diagrams
THREE WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION
Water Piping Diagrams
LINE TEMPERATURE CONTROL
FOUR WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION
Water Piping Diagrams
FILL IN WARRANTY AND KEEP FOR FUTURE REFERENCE
Limited Warranty
Page
500 Tennessee Waltz Parkway, Ashland City, TN Phone 800-365-0024 Fax