A.O. Smith DEL-6 Instruction Manual

Series 102, series 110 commercial electric water heaters

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Instruction manual (24 pages)

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Instruction Manual

coMMercIal electrIc water heaters

Models del-6/10/15/20 series 102

del-30/40/50 series 110

& den-30/40/52/66/80/120 series 110

InstallatIon - operatIon - serVIce

500 Tennessee Waltz Parkway

- MaIntenance - lIMIted warranty

Ashland City, TN 37015

Thank you for buying this energy efficient water heater.

We appreciate your confidence in our products.

place these InstructIons adjacent to heater and notIfy owner to keep for future reference.

PRINTED 1213

322055-002

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Summary of Contents for A.O. Smith DEL-6

Page 1: Instruction Manual
Instruction Manual coMMercIal electrIc water heaters Models del-6/10/15/20 series 102 del-30/40/50 series 110 & den-30/40/52/66/80/120 series 110 InstallatIon - operatIon - serVIce 500 Tennessee Waltz Parkway - MaIntenance - lIMIted warranty Ashland City, TN 37015 Thank you for buying this energy efficient water heater.
Page 2: Safe Installation, Use, And Service
safe InstallatIon, use, and serVIce the proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard.
Page 3: General Safety Information
General safety InforMatIon precautIons hydroGen Gas (flaMMable) DO NOT USE THIS WATER HEATER IF ANY PART HAS BEEN UNDER WATER. Immediately call a qualified service technician to inspect the water heater and to replace any part of the control system which has been under water. If the unit is exposed to the following, do not operate heater until all corrective steps have been made by a qualified service agency.
Page 4: Table Of Contents
table of contents SAFE INSTALLATION, USE, AND SERVICE........2 Thermal Expansion ..............10 GENERAL SAFETY INFORMATION ............ 3 ELECTRICAL ..................11 Precautions .................. 3 General ..................11 Hydrogen Gas (Flammable) ............3 Branch Circuit ................11 INTRODUCTION .................. 4 Calculating Amperage/Overcurrent Protection ......11 Preparing for the Installation ............
Page 5: Dimensions And Capacities Data
Models no. of shipping weight dimensions elements us Gals. litres inches inches inches inches lbs. DEL-6 15 1/2 14 1/4 15.9 DEL-10 18 1/4 12 1/2 24.5 DEL-15 20 1/2 26.3 DEL-20 22 1/4 21 3/4 15 3/8 33.1...
Page 6: Approvals
All models are listed by Underwriters Laboratories Inc. Model and ratInG del-30/40/50 & den-30/40/52/66/80/120 del-6/10/15/20...
Page 7: Features And Components
features and coMponents electronIc control Models This page shows typical water heater installations by model designations. den/del dual eleMent heater den/del sInGle eleMent heater Install suItable draIn pans under water heaters to preVent daMaGe due to leakaGe. refer to water heater locatIon on paGe 8.
Page 8: Locating The New Water Heater
locatInG the new water heater facts to consIder about the locatIon to a drain. However, unanticipated damage can be reduced or prevented by a leak detector or water shut-off device used in conjunction with a piped drain pan. These devices are available from some plumbing supply wholesalers and retailers, and detect and react to leakage in various ways: •...
Page 9: Installation
InstallatIon reQuIred abIlIty contaMInated water Installation and service of this water heater requires ability equivalent This water heater shall not be connected to any heating system(s) to that of a qualified installer or service agency (page 2) in the or component(s) used with a non-potable water heating appliance. field involved.
Page 10: Closed Water Systems
paragraph. The new valve must be marked with a maximum set pressure not to exceed the marked hydrostatic working pressure of the water heater (150 psi = 1,035 kPa) and a discharge capacity not less than the water heater Btu/hr or KW input rate as shown on the water heater’s model rating plate.
Page 11: Electrical
electrIcal This is an example of calculating heater amperage for both types of element operation. From this, the branch circuit conductor and overcurrent protection sizing can be established. The example is of a three-phase 240 volt unit with two, 6 kw elements.
Page 12: Wiring Diagrams
wIrInG dIaGraMs a-8 cIrcuIt for dual eleMent heater c-2 cIrcuIt for sInGle eleMent heaters eQuIpped wIth hIGh lIMIt control factory wIred ---------- fIeld wIrInG † whIte for 120V & 277V fIGure 3...
Page 13: Operation
operatIon General InItIal start up The following checks should be made by the installer when the heater Refer to the Features and Components section of this manual (page is placed into operation for the first time. 7) for the location of components mentioned in the instructions that follow.
Page 14: Temperature Regulation
teMperature reGulatIon approximately the 140°F (60°C) setting. The over temperature device (ECO high limit) attached to each thermostat has a manual reset. 40A 120-277 VAC 25A.480-600 VAC 125VA.PT.DTY. 120-480 VAC APCOM 30A 120-250 VAC 22A 277 VAC 12.5A 480-600VAC 125 VA.PT.DTY. 120-480 VAC THE WATER HEATER IS EQUIPPED WITH AN ADJUSTABLE fIGure 5 fIGure 6...
Page 15: Maintenance
MaIntenance General anode rod InspectIon The anode rod is used to protect the tank from corrosion. Most hot water tanks are equipped with an anode rod. The submerged rod sacrifices itself to protect the tank. Instead of corroding tank, water ions attack and eat away the anode rod.
Page 16: Troubleshooting Checklist
troubleshootInG checklIst checklIst abnorMal sounds Before calling for service, check the following points to see if the 1. Sediment or lime scale accumulations on the elements causes cause of trouble can be identified and corrected. sizzling and hissing noises when the heater is operating. •...
Page 17: 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. relief Valve Where possible remove or lift top cover to to open drain examine threads of fittings installed into tank for evidence of leakage.
Page 18: Ashland City, Tn
warranty A. O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater: 1. THE TANK If the glass-lined 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.
Page 19: Notes
notes...
Page 20: Repair Parts List
repaIr parts lIst Now that you have purchased this water heater, should a need ever Be sure to provide all pertinent facts when you call or visit. exist for repair parts or service, simply contact the company it was WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE purchased from or direct from the manufacturer listed on the rating FOLLOWING INFORMATION: plate on the water heater.
Page 21 Item description del-6 del-10 del-15 del-20 series 102 series 102 series 102 series 102 1A ..Anode, Alum........9003942005 ..9003942005 ..9003942005 ..9003944005 1B ..Anode, Mag. (SMR P72 and S19)..9001909005 ..9001909005 ..9001909005 ..9003721005 2 ..
Page 22: Den-80 2
Item description del-30 del-40 del-50 den-30 den-40 den-52 den-66 den-80 den-120 series 110 series 110 series 110 series 110 series 110 series 110 series 110 series 110 series 110 1A ..Anode, Alum......9003944005 ..9003944005 ... 9003944005 ..9003944005 ...9003944005 ... 9003944005 ... 9000029005 ..9003892005 ..9003892005 1B ..Anode, Mag.(SMR P72)....
Page 23: Figure
fIGure 13 table 6 - copper sheath eleMent and wattaGe chart 120V 208V 240V 277V 480V ELEMENT K.W. WATTAGE PART NO. PART NO. PART NO. PART NO. PART NO. 1000W - - - 9002863115 90001431005 - - - - - - 1500W 9002963005 9000145005...

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A.O. Smith DEL-6 Instruction Manual

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