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