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COMMERCIAL ELECTRIC WATER HEATERS

Printed in U.S.A.  0704

      PART NO. 195201-000

MODELS DEN AND DEL

 

Installation

 Electrical

 

Wiring Diagrams

 

Replacement Parts

 

Operation

 

Maintenance

 

Leakage Checkpoints

 

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

Page 1: ...tion Maintenance Leakage Checkpoints 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 RELATIV...

Page 2: ...38 128 115 110 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 1...

Page 3: ...ot cover the instruction manual Keep it on the side of the water heater or nearby for future reference Do obtain new labels from A O Smith for placement on the blanket directly over the existing label...

Page 4: ...electrician size the branch circuit at 125 percent of the heater rating and further increase wire size as necessary to compensate for voltage drop in long runs CALCULATING AMPERAGE OVERCURRENTPROTECTI...

Page 5: ...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 Fa...

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...

Page 7: ...E UPPER 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...

Page 8: ...TER 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 dr...

Page 9: ...ure Excessive water temperature Faulty relief valve Excessive water pressure is the most common cause of relief valve leakage It is often caused by a closed system A check valve in the inlet system wi...

Page 10: ...tricity 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...

Page 11: ...r any 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 lim...

Page 12: ...12 5621 W 115TH STREET ALSIP IL 60803 Phone 800 433 2545 Fax 800 433 2515 www hotwater com e mail parts hotwater com...

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