A.O. Smith DSE-120-24 Description, Operation, Installation And Maintenance Manual

A.O. Smith DSE-120-24 Description, Operation, Installation And Maintenance Manual

Commercial water heaters

Advertisement

FRV40-226-045-010
DESCRIPTION, OPERATION, INSTALLATION AND
MAINTENANCE INSTRUCTIONS
Water Heater
Model: DSE-120-24
Halter Marine, Inc.
13085 Seaway Rd.
P.O. Box 3029
Gulfport, MS 39505
50-SPNA-1-00031
PUBLISHED BY DIRECTION OF NOAA

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the DSE-120-24 and is the answer not in the manual?

Questions and answers

Summary of Contents for A.O. Smith DSE-120-24

  • Page 1 FRV40-226-045-010 DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE INSTRUCTIONS Water Heater Model: DSE-120-24 Halter Marine, Inc. 13085 Seaway Rd. P.O. Box 3029 Gulfport, MS 39505 50-SPNA-1-00031 PUBLISHED BY DIRECTION OF NOAA...
  • Page 3 FRV40-226-045-010 DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE INSTRUCTIONS Water Heater Model: DSE-120-24 Halter Marine, Inc. 13085 Seaway Rd. P.O. Box 3029 Gulfport, MS 39505 50-SPNA-1-00031 PUBLISHED BY DIRECTION OF NOAA 11 October 2007...
  • Page 5 RECORD OF CHANGES Change Date Title and/or Brief Description Signature of Validating Officer...
  • Page 7 APPROVAL AND PROCUREMENT RECORD PAGE APPROVAL DATA FOR: FRV40-226-045-010 TITLE OF MANUAL: Water Heater APPROVAL AUTHORITY: NOAA Contract Ship Qty Of Building Number Applicability Manuals Yard 50-SPNA-1-00031 FRV40-226 2 EA Halter Marine Inc. REMARKS: CERTIFICATION: It is hereby certified that FRV40-226-045-010 to be provided under contract 50-SPNA- 1-00031 has been approved by the approval data shown above.
  • Page 9 VALIDATION PERFORMANCE Title of Publication Water Heater Contractor Sub-Contractor (If Performing Validation) Halter Marine, Inc. Contract No.(s) and Purchase Orders, If Applicable 50-SPNA-1-00031 Chapter Section Paragraph Date Check here if Validation Not Validated Completed Contents of this manual have been validated and certified to be applicable to the equipment furnished under the above procurement as specified for Validation.
  • Page 11 FOREWORD This manual is intended to clearly and accurately reflect the actual configuration of the installed equipment described for the FRV40-226-045-010 Water Heater. Users are urged to report instances noted wherein the manual does not achieve this objective. This technical manual provides the instructions necessary to operate, to perform maintenance on and troubleshooting of the Water Heater.
  • Page 13 SECTION 1 DURA-POWER ELECTRIC COMMERCIAL WATER HEATERS INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
  • Page 15 Dura-Power Electric Models DSE-5 THRU DSE-120 COMMERCIAL WATER HEATERS • Installation • Operation • Maintenance • Checklist • Limited Warranty CAUTION TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THIS APPLIANCE.
  • Page 17: Recovery Capacity

    DIMENSIONS Tank Capacity Maximum All Dimensions in Inches Approx. Ship in Gallons KW Input Wt.Lbs. 20 /12 16 1/4 21 1/2 5 1/4 26 1/4 18 3/4 5 1/4 27 1/4 20 1/2 5 3/4 35 3/4 20 1/2 5 3/4 45 3/4 20 1/2 5 3/4...
  • Page 18: Table Of Contents

    FOREWORD NEAR THE ELECTRICAL SYSTEM OF THE HEATER. NEVER Detailed installation diagrams are in this manual. These TOUCH ELECTRICAL COMPONENTS WITH WET HANDS OR diagrams will serve to provide the installer with a reference for WHEN STANDING IN WATER. WHEN REPLACING FUSES the materials and method of piping suggested.
  • Page 19: Getting To Know Your Water Heater

    GETTING TO KNOW YOUR WATER HEATER Below is an illustration of the water heater with its features called out. The text of this manual will refer to the items shown. FIGURE 1...
  • Page 20: General Safety Information

    GENERAL GENERAL SAFETY The installation must conform to these instructions and the local INFORMATION code authority having jurisdiction. Grounding and electrical wiring connected to the water heater must also conform to the latest version of the NATIONAL ELECTRICAL CODE and NFPA- INSULATION BLANKETS 70.
  • Page 21: Relief Devices

    RELIEF DEVICES The pressure setting of the relief valve should not exceed the pressure capacity of any component in the system. The temperature setting of the relief valve should not exceed 210°F. An unplugged 3/4” relief valve opening is provided for installing temperature and pressure relief valve.
  • Page 22: Piping Diagram

    PIPING DIAGRAM ONE OR TWO TEMPERATURE - ONE HEATER CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOW PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE, PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED. *PIPE TO OPEN DRAIN.
  • Page 23 ONE OR TWO TEMPERATURE - THREE HEATERS CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOW PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE, PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED. *PIPE TO OPEN DRAIN. INSTALL IN ACCORDANCE WITH ALL LOCAL CODES.
  • Page 24 MEDIUM TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGES 17 & 18. IF HIGHER PREHEAT TEMPERATURES ARE NECCESARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES..
  • Page 25 MEDIUM TEMPERATURE - TWO HEATERS VERTICAL STORAGE TANK DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGES 17 & 18. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES..
  • Page 26 MEDIUM TEMPERATURE - THREE HEATERS VERTICAL STORAGE TANK DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGES 17 & 18. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES..
  • Page 27 MEDIUM TEMPERATURE - FOUR HEATERS VERTICAL STORAGE TANK MEDIUM TEMPERATURE - FOUR HEATERS HORIZONTAL STORAGE TANK DANGER CAUTION: IF BUILDING COLD WATER SUPPLY BACK-FLOW TEMPERATURE SETTING SHOULD NOT PREVENTER, CHECK VALVE OR WATER EXCEED SAFE USE TEMPERATURE AT METER WITH CHECK VALVE, FIXTURES.
  • Page 28: Electrical

    ELECTRICAL Voltage applied to the heater should not vary more than +5% to GENERAL -10% of the model and rating plate marking for satisfactory operation. The installation must conform to these instructions, the local code authority having jurisdiction, and the requirements of the DO NOT ENERGIZE THE BRANCH CIRCUIT FOR ANY REASON power company.
  • Page 29: Amperage Table/Overcurrent Protection

    AMPERAGE TABLE/OVERCURRENT CONTROL CIRCUIT PROTECTION The heater is equipped with 120 volt control circuit where all of the heating elements are switched on and off together. This is This table provides the total connected heating element load in the standard circuit and may be used with up to five elements. amperes for branch circuit conductor and over current protection sizing.
  • Page 30 SMALL COMMERCIAL WIRE DIAGRAM 208-240V / 3PH SMALL COMMERCIAL WIRE DIAGRAM 208-240V / 3-1PH...
  • Page 31 3-1 PHASE CONVERSIONS In the case where the unit is phase convertible and it has only one contactor, jumper wires (provided) must be added according to the phase of the supply voltage. See the diagram below. For single-phase connection, jumpers A-C and B-D must be added. For three-phase connection, jumper B-C must be added.
  • Page 32 SMALL COMMERCIAL WIRE DIAGRAM SINGLE PHASE SMALL COMMERCIAL WIRE DIAGRAM 300-600V / 3PH...
  • Page 33: Operation

    OPERATION GENERAL DANGER THIS WATER HEATER IS EQUIPPED WITH AN ADJUSTABLE Never operate the heating elements without being certain the THERMOSTAT TO CONTROL WATER TEMPERATURE. HOT water heater is filled with water, and a temperature and pressure WATER TEMPERATURES REQUIRED FOR AUTOMATIC relief valve is installed in the relief valve opening.
  • Page 34: Draining

    Always close the front access door after making a temperature Attach hose to outlet opening of drain valve and direct adjustment. Turn on electricity. end to drain. Open a nearby hot water faucet and the heater drain DRAINING valve. The water heater must be drained if it is to be shut down and exposed to freezing temperatures.
  • Page 35: Checklist

    Remove the bolts from each element. Check the fuses. Remove the elements from the openings. • The electrical disconnect switch usually contains fuses. • Use a twisting, pulling action to remove elements scaled beyond size of the tank openings. If the water was excessively hot, and is now cold, the high limit switch may have operated.
  • Page 36: Replacement Parts

    When such a condition is encountered, local codes or Close the supply water inlet valve to the heater. inspection agency should be consulted to determine which system is acceptable in your area. These may consist of: Contact your dealer. • Installation of a second relief valve set to lower REPLACEMENT PARTS than the primary safety relief valve.
  • Page 37: Leakage Checkpoints

    LEAKAGE CHECKPOINTS INSTRUCTIONS: USE THIS ILLUSTRATION AS A GUIDE WHEN CHECKING FOR SOURCES OF WATER LEAKAGE. YOU OR YOUR DEALER MAY BE ABLE TO CORRECT WHAT APPEARS TO BE A PROBLEM. Where possible, remove or lift top cover to examine threads of fittings installed into tank for evidence of ANODE leakage.
  • Page 38: Limited Warranty

    MODEL DSE LIMITED WARRANTY A.O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater: 1. THE TANK If the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water therein, during the first THREE years after initial installation, the warrantor will supply a complete new A.O.
  • Page 39 REPLACEMENT PARTS 5621 W. 115TH STREET, ALSIP, IL 60803 Phone: 800-433-2545 Fax: 800-433-2515 www.hotwater.com E-Mail: parts@hotwater.com...
  • Page 41 SECTION 2 REPLACEMENT PARTS GUIDE...
  • Page 43 PSD-6-605/c COMMERCIAL WATER HEATER REPLACEMENT PARTS LIST MODELS DSE SERIES 5 THRU 120 3/4" T&P RELIEF VALVE AUTOMATIC, SELF-CLOSING TYPES A.O. SMITH WATER PRODUCTS CO., INC. 5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 PHONE: 1-800-433-2545 FAX: 1-800-433-2515 • WWW.HOTWATER.COM PRINTED IN U.S.A.
  • Page 44 Table 1. ELEMENT CHART AND CONNECTIONS Table 2. CONTROL CIRCUIT FUSING n i t e l t n i l...
  • Page 45 Seattle Item Description Part Number Part Number 1 ....Anode: ø 16" Long, 0.840" , ¾" NPT ........06200016 ......5206-18 ø 24" Long, 0.840" , ¾" NPT ........06200024 ......5206-24 ø 39" Long, 0.840" , ¾" NPT ........06200039 ......5206-39 2 ....
  • Page 46 A.O. SMITH WATER PRODUCTS CO., INC. 5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 PHONE: 1-800-433-2545 • FAX: 1-800-433-2515 Website: WWW.HOTWATER.COM • EMAIL: PARTS HOTWATER.COM...
  • Page 47 The Metric System and Equivalents Linear Measure Liquid Measure 1 centiliter = 10 milliters = .34 fl. ounce 1 centimeter = 10 millimeters = .39 inch 1 deciliter = 10 centiliters = 3.38 fl. ounces 1 decimeter = 10 centimeters = 3.94 inches 1 liter = 10 deciliters = 33.81 fl.

Table of Contents