A.O. Smith LTE 66D Instruction Manual Download Page 6 | Manualshive

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6

APPROVALS

MODEL AND RATING

®

All models are listed by

Underwriters Laboratories Inc.

MODEL NUMBER

22U1

COMMERCIAL STORAGE

TANK WATER HEATER

WATTS

LOWER

MAX WORKING

PRESSURE PSI

1 PH / 3 PH

1 PH

3 PH

RATED

MEASURED

%

WATTS

INTERLOCK

SIMULTANEOUS

CAPACITY US GAL

STANDBY LOSS

TOTAL WATTS CONNECTED

SERIAL NUMBER

ITEM ID / PART NUMBER

WATTS

PHASE

CIRCUIT

VOLTS - AC

UPPER

LLC

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Summary of Contents for LTE 66D

Page 1: ...P FOR FUTURE REFERENCE COMMERCIAL ELECTRIC WATER HEATERS Thank you for buying this energy efficient water heater We appreciate your confidence in our products 500 Tennessee Waltz Parkway Ashland City...

Page 2: ...ition to electrical testing skills when performing service ANSI Z223 1 2006 Sec 3 3 83 Qualified Agency Any individual firm corporation or company that either in person or through a representative is...

Page 3: ...be run with the circuit conductors and connected to the equipment grounding terminal or lead on the water heater HYDROGEN GAS FLAMMABLE Hydrogen gas can be produced in a hot water system served by thi...

Page 4: ...Code CSA C22 1 The National Electrical Code may be ordered from National Fire Protection Association 1 Batterymarch Park Quincy MA 02269 The Canadian Electrical Code is available from the Canadian St...

Page 5: ...5 102 92 85 77 73 4000 4000 GPH 90 81 60 54 45 41 36 32 30 27 26 8 LPH 341 307 227 205 170 153 136 123 114 102 97 4500 4500 GPH 101 91 68 61 51 46 41 36 34 30 29 9 LPH 384 345 256 230 192 173 153 138...

Page 6: ...c MODEL NUMBER 22U1 COMMERCIAL STORAGE TANK WATER HEATER WATTS LOWER MAX WORKING PRESSURE PSI 1 PH 3 PH 1 PH 3 PH RATED MEASURED WATTS INTERLOCK SIMULTANEOUS CAPACITY US GAL STANDBY LOSS TOTAL WATTS C...

Page 7: ...LVE INSTALL VACUUM RELIEF IN COLD WATER INLET LINE AS REQUIRED BY LOCAL CODES INSTALL SUITABLE DRAIN PANS UNDER WATER HEATERS TO PREVENT DAMAGE DUE TO LEAKAGE REFER TO WATER HEATER LOCATION ON PAGE 8...

Page 8: ...er heaters are sometimes installed in locations where leakage may result in property damage even with the use of a drain pan piped to a drain However unanticipated damage can be reduced or prevented b...

Page 9: ...imum of 125 degree F Consult a qualified installer or service agency Follow all manufacturer s Instructions for installation of these valves Before changing the factory setting on the thermostat read...

Page 10: ...at an adequate drain inside the building Shall not have any valve or other obstruction between the relief valve and the drain The temperature pressure relief valve must be manually operated at least...

Page 11: ...t 2 Four wire T 4 circuit for dual element water heater equipped with two high limit controls and single phase power input This is an example of calculating heater amperage for both types of element o...

Page 12: ...LT NON SIMULTANEOUS SINGLE PHASE OPERATION RED BLACK YELLOW BLUE BLACK RED BLACK BLACK BLACK RED RED RED BLACK RED BLACK T 4 208 or 240 VOLT SIMULTANEOUS OPERATION SINGLE PHASE OPERATION GND GREEN GND...

Page 13: ...ghtness Also check connections on top and or sides of heater Repair water leaks and tighten electrical connections as necessary 3 Depress the red manual reset button on each Thermostat ECO combination...

Page 14: ...1st Degree Burn Less Severe Burns Time for Permanent Burns 2nd 3rd Degree Most Severe Burns 110 43 normal shower temp 116 47 pain threshold 116 47 35 minutes 45 minutes 122 50 1 minute 5 minutes 131...

Page 15: ...y the anode rod This does not affect water s taste or color The rod must be maintained to keep tank in operating condition Anode deterioration depends on water conductivity not necessarily water condi...

Page 16: ...ating The sounds are normal however the tank bottom and elements should be cleaned See the Maintenance section of this manual WATER LEAKAGE IS SUSPECTED Refer to Leakage Checkpoint on the following pa...

Page 17: ...ary to shut off electricity 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 ga...

Page 18: ...gas supply line sizing gas type venting connections combustion air voltage wiring or fusing Failure to follow applicable codes Failure to follow printed instructions Abuse misuse accident fire flood...

Page 19: ...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 VO...

Page 20: ...TAGE CHART K W ELEMENT WATTAGE 208V 240V PART NO PART NO 3 0 3000 9003956115 9001879005 3 5 3500 9000092015 9003948115 4 0 4000 9003951115 9003956115 4 5 4500 9002645005 9000092015 5 0 5000 9004688105...

Page 21: ...21 NOTES...

Page 22: ...22 NOTES...

Page 23: ...23 NOTES...

Page 24: ...24 www hotwater com 500 Tennessee Waltz Parkway Ashland City TN 37015 Tech Support 800 527 1953 Parts 800 433 2545 Copyright 2016 A O Smith Water Heater Company All rights reserved...

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