A.O. Smith del and del - Manuals

Page 3 - INSULATION BLANKETS; WARNING; Do not cover the temperature & pressure relief valve.; EXTENDED NON-USE PERIODS; CAUTION; CAUTION; WARNING; REQUIRED ABILITY

3 FOREWORD Thank you for buying this energy efficient water heater fromState. We appreciate your confidence in our products. Detailedinstallation diagrams are in this manual. These diagrams willserve to provide the installer with a reference for the materialsand method of piping suggested. IT IS NEC...

Page 4 - CLEARANCES; FLOOD WARNING; CHEMICAL VAPOR CORROSION; DO NOT; BRANCH CIRCUIT

4 • Sensors mounted in the drain pan that turn off the water supplyto the entire home when water is detected in the drain pan. • Water supply shut-off devices that activate based on the waterpressure differential between the cold water and how waterpipes connected to the water heater. • Devices that...

Page 5 - WIRING DIAGRAMS; ELEMENT HEATERS; A-8 CIRCUIT FOR DUAL ELEMENT HEATER

5 WIRING DIAGRAMS C-2 CIRCUITFOR SINGLE ELEMENT HEATERS EQUIPPED WITH HIGH LIMIT CONTROL Size Temperature Rating of Conductor See Table 310-13 in Code AMG 60° C 75° C MCM (140° F) (167° F) TYPES: TYPES: RUW RH, RHW, RUH, (14-2), (14-2), THW T, TW, THWN, XHHW, UF USE 18 - - - - - - 16 - - - - - - 14 ...

Page 6 - TYPICAL PIPING CONNECTIONS; TEMPERATURE AND PRESSURE RELIEF VALVE

6 TYPICAL PIPING CONNECTIONS This page shows typical water heater installations by model designations. † OVER CURRENT PROTECTION MUST BE SUPPLIED IN WATER HEATER CIRCUIT.CONSULT LOCAL CODE OR NEC-1984 FOR PROPER INSTALLATION. * INSTALL IN ACCORDANCE WITH ALL LOCAL CODES. TEMPERATURE AND PRESSURE REL...

Page 7 - OPERATION; FILLING; TEMPERATURE REGULATION; DANGER; Temperature; TEMPERATURE ADJUSTMENT; FIGURE 4; Turn off the heater electrical supply. Do not attempt to adjust

7 OPERATION CAUTION DO NOT OPERATE THE HEATER WITHOUT INSTALLING ANAPPROVED TEMPERATURE AND PRESSURE RELIEF VALVEIN THE OPENING PROVIDED IN THE TANK. GROUND THEHEATER TO GUARD AGAINST ELECTRIC SHOCK FROM THEHEATER OR WATER SYSTEM. NEVER OPERATE THE HEATERW I T H O U T F I L L I N G W I T H WAT E R P...

Page 8 - BECAUSE THE HIGH LIMIT OPERATES ONLY; FIGURE 5; DRAINING; ANODE INSPECTION AND REPLACEMENT; TROUBLESHOOTING; CHECKLIST

8 3. Using a flat tip screwdriver, rotate the adjusting knob to the desired temperature setting. 4. Replace the covers and access panels, and turn on heater electrical supply. Valves for reducing point-of-use temperature by mixing cold andhot water are available (See Figure 5). Also available areine...

Page 9 - NOTES

9 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. The apparent leakage may be condensation which forms o...

Page 10 - LEAKAGE CHECKPOINTS

10 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 Relief Valve To Open Drain Condensation and dripping ...

Page 11 - MODELS DEN AND DEL ELECTRIC WATER HEATER LIMITED WARRANTY

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 n...

Page 12 - REPAIR PARTS LIST

12 REPAIR PARTS LIST Now that you have purchased this water heater, should a needever exist for repair parts or service, simply contact the companyit was purchased from or direct from the manufacturer listed onthe rating plate on the water heater. Selling prices will be furnished on request or parts...

Page 13 - Item

13 1A ......... Anode, Alum... ....................................... 9003942 .............. 9003942 .............. 9003943 ............... 90039441B ......... Anode, Mag. (SMR P72 and S19) .......... 9002110 ................ 9002110 .............. 9004302 ............... 90037212 ........... Colla...

Page 14 - COPPER SHEATH ELEMENT AND WATTAGE CHART

14 1A ......... Anode, Alum. .................................... 9003888 ................ 9003889 ................ 9003889 ............... 9003944 ...... 1B ......... Anode, Mag.(SMR P72) .................... 9003721 ................ 9003922 ................ 9001834 ............... 9003721 ...... 2...

Page 15 - INCOLOY SHEATH ELEMENT AND WATTAGE CHART (FOR SMR P72)

15 DEN-40 DEN-52 DEN-66 DEN-80 DEN-120 Series 110 Series 110 Series 110 Series 110 Series 110 K.W. ELEMENT 120V 208V 277V 480V WATTAGE PART NO. PART NO. PART NO. PART NO. 1.5 1500W 9004279 9004283 - - - - - - 2.0 2000W 9004280 9004284 9004290 9004298 2.5 2500W 9004281 9004285 9004295 9004299 Incoloy...