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MODELS DEN AND DEL
COMMERCIAL ELECTRIC WATER HEATERS
Installation
•
•
Operation
TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY.
PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THIS APPLIANCE.
PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
Printed in U.S.A. 0106
Electrical
•
•
•
Maintenance
•
A DIVISION OF A. O. SMITH CORPORATION
McBee, South Carolina, USA
www.hotwater.com
Wiring Diagrams
Leakage Checkpoints
CAUTION
1
Replacement Parts
•
•
Limited Warranty
PART NO. 195201-002
SUPERSEDES PART NO. 195201-001
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Summary of Contents for A.O. Smith del and del
- Page 1 MODELS DEN AND DEL COMMERCIAL ELECTRIC WATER HEATERS Installation Electrical • • • Operation • Maintenance TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THIS APPLIANCE. PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE. Printed in U.S.A.
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Page 2: Rough-In Dimensions
ROUGH-IN DIMENSIONS ROUGH-IN DIMENSIONS Models No. of Tank Capacity Dimensions Elements US Gals. DEL-6 DEL-10 DEL-15 DEL-20 DEL-30 DEL-40 DEL-50 DEN-30 DEN-40 DEN-52 DEN-66 DEN-80 DEN-120 RECOVERY CAPACITIES Element Wattage INPUT (Upper/Lower) NON-SIMULATANEOUS OPERATION /1500 /2000 /2500 3000/3000 4000/4000 4500/4500 5000/5000 6000/6000 SIMULATANEOUS OPERATION... -
Page 3: General Safety Instructions
Drain pans suitable for these heaters are available from your distributor or A.O. Smith Water Heater Parts Fulfillment, 125 Southeast Parkway, Franklin, TN 37068. Water heater life depends upon water quality, water pressure and the environment in which the water heater is installed. -
Page 4: Chemical Vapor Corrosion
• Sensors mounted in the drain pan that turn off the water supply to the entire home when water is detected in the drain pan. • Water supply shut-off devices that activate based on the water pressure differential between the cold water and how water pipes connected to the water heater. -
Page 5: Wiring Diagrams
For ambient temperatures over 30° C (86° F), see Correction Factors, Note 13 in Code. Size Temperature Rating of Conductor See Table 310-13 in Code 60° C (140° F) TYPES: (14-2), T, TW, - - - - - - Portion of Table 310-18 follows: Allowable Ampacities of Insulated Aluminum and Copper -Clad Aluminum Conductors. -
Page 6: Temperature And Pressure Relief Valve
TYPICAL PIPING CONNECTIONS This page shows typical water heater installations by model designations. DUAL ELEMENTS HEATER INSTALL SUITABLE DRAIN PANS UNDER HEATERS TO PREVENT DAMAGE DUE TO LEAKAGE. REFER TO WATER HEATER LOCATION ON PAGE 2. INSTALL THERMAL EXPANSION TANK IF CHECK VALVE PRESSURE REDUCING... -
Page 7: Operation
OPERATION CAUTION DO NOT OPERATE THE HEATER WITHOUT INSTALLING AN APPROVED TEMPERATURE AND PRESSURE RELIEF VALVE IN THE OPENING PROVIDED IN THE TANK. GROUND THE HEATER TO GUARD AGAINST ELECTRIC SHOCK FROM THE HEATER OR WATER SYSTEM. NEVER OPERATE THE HEATER WITHOUT FILLING WITH WATER PER THE FILLING INSTRUCTIONS. -
Page 8: Troubleshooting
Aggressive, very hot and softened water causes rapid consumption of the anode requiring frequent inspections. Anodes are available from your distributor or A.O. Smith. TROUBLESHOOTING CHECKLIST Before contacting your dealer, check the water heater to see if the apparent malfunction is caused by some external fault. -
Page 9: Water Is Too Hot
6. Look for leaking or open hot water faucets. WATER IS TOO HOT 1. Refer to TEMPERATURE REGULATION section. WATER HEATER MAKES SOUNDS 1. See MAINTENANCE WATER LEAKAGE IS SUSPECTED 1. Check to see if the heater drain valve is tightly closed. 2. -
Page 10: 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. NOTE: Cover and Insulation shown removed to reveal tank top Where possible remove or lift top cover to examine threads of fittings installed into tank for evidence of leakage. - Page 11 MODELS DEN AND DEL ELECTRIC WATER HEATER LIMITED WARRANTY A. 0. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater: 1. THE TANK If the glass-Iined 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.
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Page 12: Repair Parts List
REPAIR PARTS LIST Now that you have purchased this water heater, should a need ever exist for repair parts or service, simply contact the company it was purchased from or direct from the manufacturer listed on the rating plate on the water heater. Selling prices will be furnished on request or parts will be shipped at prevailing prices and you will be billed accordingly. - Page 13 Item Description 1A ... Anode, Alum..9003942 ... 9003942 ... 9003943 ... 9003944 1B ... Anode, Mag. (SMR P72 and S19) ... 9002110... 9002110 ... 9004302 ... 9003721 2 ... Collar, Pipe ... 9004610 ... 9004610 ... 9004610 ... 9004610 3 ...
- Page 14 Item Description 1A ... Anode, Alum..9003888 ... 9003889 ... 9003889 ... 9003944 ... 1B ... Anode, Mag.(SMR P72) ... 9003721 ... 9003922 ... 9001834 ... 9003721 ... 2 ... T&P Relief Valve ... 9003741 ... 9003741 ... 9003741 ... 9000071 3 ...
- Page 15 DEN-40 DEN-52 Series 110 Series 110 ... 9003889 ... 9003889 ... 9000029 ... 9003892 ... 9003893 ... 9003483 ... 9003487 ... 9003465 ... 9003650 ... 9000734 ... 9000071 ... 9000071 ... 9000071 ... 9000071 ... 9000071 ... 9000308 ... 9000308 ... 9000308 ... 9000308 ... 9000308 ...
- Page 16 McBee, South Carolina 29101 Phone: 1-800-527-1953 Fax: 800-433-2515 www.hotwater.com e-mail: parts@hotwater.com...