A.O. Smith del and del Installation & Operation Manual Download

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COMMERCIAL ELECTRIC WATER HEATERS

Printed in U.S.A. 0106

PART NO. 195201-002

SUPERSEDES PART NO. 195201-001

MODELS DEN AND DEL

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Installation

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Electrical

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Wiring Diagrams

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Replacement Parts

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Operation

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Maintenance

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Leakage Checkpoints

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Limited Warranty

A DIVISION OF A. O. SMITH CORPORATION

McBee, South Carolina, USA

www.hotwater.com

CAUTION

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.

Summary of Contents for del and del

Page 1: ...ement Parts Operation Maintenance Leakage Checkpoints Limited Warranty ADIVISION OFA O SMITH CORPORATION McBee South Carolina USA www hotwater com CAUTION TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THISAPPLIANCE PLACETHESEINSTRUCTIONSADJACENTTOHEATERANDNOTIFYOWNERTOKEEPFORFUTUREREFERENCE ...

Page 2: ... 256 230 192 173 153 138 128 115 110 5000 5000 GPH 113 101 75 68 56 51 45 41 38 34 32 10 LPH 426 384 284 256 213 192 170 153 142 128 122 6000 6000 GPH 135 122 90 81 68 61 54 49 45 41 39 12 LPH 511 460 341 307 256 230 205 184 170 153 146 Recovery capacities at 100 F rise equal for non simultaneous element operation 4 1 gal x KW of one element for simultaneous element operation 4 1 gal x 2 3 KW of b...

Page 3: ...educe the risk of injury under these conditions it is recommended that the hot water faucet be opened for several minutes at a nearby kitchen sink before using any electrical appliance connected to the hot water system If hydrogen is present there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow THERE SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FA...

Page 4: ...e portions of the wire size tables from the Code are reproduced here The branch circuit should be sized at 125 percent of the heater rating and further increase wire size as necessary to compensate for voltage drop in long runs CALCULATING AMPERAGE OVERCURRENTPROTECTION The heaters come from the factory in two configurations 1 Two wire C 2 circuit for single element heater equipped with a high lim...

Page 5: ...2 2 12 2 THW T TW THWN XHHW UF USE 12 15 15 10 25 25 8 30 40 6 40 50 4 55 65 3 65 75 2 75 90 1 85 100 FACTORY WIRED FIELD WIRING WHITE FOR 120V For ambient temperatures over 30 C 86 F see Correction Factors Note 13 in Code Portion of Table 310 18 follows Allowable Ampacities of Insulated Aluminum and Copper Clad Aluminum Conductors Not more than three conductors in Raceway or Cable or Direct Buria...

Page 6: ... DEVICES FOR HOT WATER SUPPLY SYSTEMS ANSI Z21 22 This valve must be marked with a maximum set pressure not to exceed the marked maximum working pressure of the water heater Install the valve into an opening provided and marked for this purpose in the water heater and orient it or provide tubing so INSTALL VACUUM RELIEF IN COLD WATER INLET LINE AS REQUIRED BY LOCAL CODES INSTALL SUITABLE DRAIN PAN...

Page 7: ...PPER THERMOSTAT BEHIND JUNCTION BOX DOOR ADJUSTABLE LOWER SINGLE THERMOSTAT Figure 3 shows the approximate time to burn relationship for normal adult skin The thermostats on your water heater have a linear relationship between degrees of angular rotation and the corresponding change in temperature Thus rotating the temperature adjustment indicator 30 angular degrees will result in a 10 degree Fahr...

Page 8: ...e should be checked to ensure that it is in operating condition Lift the lever on the valve several times until the valve seats properly and operates freely CAUTION THE WATER PASSING OUT OF THE VALVE DURING THIS CHECKING OPERATION MAY BE EXTREMELY HOT It is recommended that the drain valve on this unit be opened once a month and 1 to 2 gallons of water be allowed to drain out This will help to pre...

Page 9: ...stem A check valve in the inlet system will not permit the expanded hot water volume to equalize pressure with the main A relief valve must release this water or the water heater or plumbing system will be damaged When such a condition is encountered local codes or inspection agency should be consulted to determine which system is acceptable in your area These may consist of Installation of a seco...

Page 10: ...ctricity and drain tank to perform procedure Water leaks at the elements may be due to 1 Defective element which leaks at terminals or thru flange Replace element 2 Loose element gasket leak a Screw in type tighten with 1 1 2 socket wrench or Part Number 23985 wrench If leak continues remove element discard gasket and clean thread areas Apply nonhardeningPermatex Number 2 to thread areas install n...

Page 11: ...ny misuse abuse including freezing or alteration of it any operation of it in a modified form or any attempt to repair tank leaks will void this warranty 4 SERVICE and REPAIR EXPENSE Under this limited warranty the warrantor will provide only a replacement water heater or part thereof The owner is responsible for all other costs Such costs may include but are not limited to a Labor charges for ser...

Page 12: ...ts will be shipped at prevailing prices and you will be billed accordingly The model number of your Water Heater will be found on the rating plated located above the lower access panel Be sure to provide all pertinent facts when you call or visit WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION MODEL NUMBER VOLTAGEAND ELEMENT WATTAGE SERIAL NUMBER PART DESCRIPTION Del 6 10 15 20 Se...

Page 13: ...9 9003899 9003899 9003899 11 Pipe Nipple 194130 194130 3 194130 3 194130 3 12 Plate Knockout 43293 1 43293 1 43293 1 43293 1 PLUG 13 Cap 42306 1 42306 1 42306 1 42306 1 14 Pipe 9001437 9001437 9001437 9001437 15 16 Thermostat with High Limit Switch 9003945 9003945 9003945 9003945 17 Bracket Thermostat 9003898 9003898 9003898 9003898 18 Valve Relief 9003484 9003741 9003741 9003741 Not Illustrated S...

Page 14: ...8 181138 181138 15 Junction Box Assembly 195171 195171 195171 195171 16 Manual 195201 002 195201 002 195201 002 195201 002 Not Illustrated Standard Hardware Items May Be Purchased Locally Underlined Parts Are Recommended For Emergency Replacement K W ELEMENT 120V 208V 240V 277V 480V WATTAGE PARTNO PARTNO PARTNO PARTNO PARTNO 1 0 1000W 9002863 90001431 1 5 1500W 9002963 9000145 9002864 9001225 2 0 ...

Page 15: ... 9003889 9000029 9003892 9003893 9003483 9003487 9003465 9003650 9000734 9000071 9000071 9000071 9000071 9000071 9000308 9000308 9000308 9000308 9000308 SEE ELEMENT WATTAGE CHART ON PAGE 14 9003896 9003896 9003896 9003896 9003896 9003897 9003897 9003897 9003897 9003897 9003898 9003898 9003898 9003898 9003898 9003899 9003899 9003899 9003899 9003899 9003900 9003900 9003900 9003900 9003900 9003903 90...

Page 16: ...16 McBee South Carolina 29101 Phone 1 800 527 1953 Fax 800 433 2515 www hotwater com e mail parts hotwater com ...

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