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