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10 

INSTALLATION CONSIDERATIONS

INSTALLATION CONSIDERATIONS

INLET

3/4” (FEMALE)

NPT

OUTLET

3/4” (FEMALE)

NPT

2 1/2”

(63.5 mm)

JUNCTION

BOX

D

FRONT VIEW

DEL 30/40/50

DRAIN

VALVE

B

C A

FRONT VIEW

DEN 30-52

DRAIN

VALVE

B

A

2 1/2”

(63.5 mm)

INLET

3/4” (FEMALE)

NPT

OUTLET

3/4” (FEMALE)

NPT

JUNCTION

BOX

D

TOP VIEW

DEL 30/40/50

TOP VIEW

DEL 6/10/15/20

TOP VIEW

DEN 30 - 52

INLET

3/4” (FEMALE)

NPT

OUTLET

3/4” (FEMALE)

NPT

FRONT VIEW

DEL 6/10/15/20

*(NO SIDE OUTLET AVAILABLE FOR DEL-6 MODELS)

3/4” NPT

RELIEF VALVE

OPENING

ALTERNATE OUTLET

3/4” (FEMALE) NPT

ELECTRICAL

CONNECTION

C

A

B

3/4” NPT

RELIEF VALVE

OPENING

C

3/4” NPT

RELIEF VALVE

OPENING

ANODES

ANODE

Figure 2. Rough-In Dimensions

Table 2.  Rough-In Dimensions

Models Di-

mensions

No. of 

Elements

Tank Capacity

A

B

C

D

Approx. 

Shipping Weight

US Gals

Liters

Inches

mm

Inches

mm

Inches

mm

Inches

mm

Lbs.

kg.

Compact-6

1

6

23

15.50

394

14.25

362

11.00

279

-

-

35

15.9

Compact-10

1

10

38

18.25

464

18.00

457

12.50

318

-

-

54

24.5

Compact-15

1

15

57

26.00

660

18.00

457

20.50

521

-

-

58

26.3

Compact-20

1

20

76

22.25

565

21.75

552

15.38

391

-

-

73

33.1

Lowboy-30

2

36

136

32.00

813

24.00

610

24.00

610

8.00

203

118

53.5

Lowboy-40

2

38

144

32.00

813

23.00

584

24.00

610

8.00

203

118

53.5

Lowboy-50

2

51

193

36.00

914

26.50

673

25.00

635

8.00

203

172

78.0

Tall-30

2

40

151

49.75

1264

20.50

521

53.25

1353

8.00

203

118

53.5

Tall-40

2

50

189

59.00

1499

20.50

521

51.25

1302

8.00

203

125

56.7

Tall-52

2

55

208

56.50

1435

24.00

610

48.50

1232

8.00

203

145

65.8

LOCATING THE WATER HEATER

Property Damage Hazard

•  

All water heaters eventually leak.

•  

Do not install without adequate drainage.

CAUTION

The  water  heater  should  be  located  as  close  as  possible  to/or 

centralized to the water piping system. The water heater should be 

located in an area not subject to freezing temperatures.

The water heater should be located in an area where leakage of the 

tank or connections will not result in damage to the area adjacent to 

the heater or to lower floors of the structure.

When such locations cannot be avoided, a suitable drain pan should 

be installed under the heater.

Such pans should be at least two inches deep, have a minimum 

length and width of at least two inches greater than the diameter of 

the heater and should be piped to an adequate drain.

Drain  pans  suitable  for  these  water  heaters  are  available  from 

your distributor or A.O. Smith Water Heater Parts Fulfillment, 125 

Southeast Parkway, Franklin, TN 37068.

Printed on 7/25/2022 7:17 AM CT

Содержание Compact 10

Страница 1: ...Thank you for buying this energy efficient water heater We appreciate your confidence in our products Read and understand this instruction manual and the safety messages herein before installing oper...

Страница 2: ...equired Ability 12 General 12 Contaminated Water 12 Circulating Pump 12 Insulation Blankets 12 Temperature Pressure Relief Valve 12 Closed Water Systems 13 Thermal Expansion 13 Electrical 13 START UP...

Страница 3: ...is manual near the water heater WARNING indicates a potentially hazardous situation which if not avoided could result in injury or death CAUTION indicates a potentially hazardous situation which if no...

Страница 4: ...ank temperature to a higher setting without increasing risk of scalds A higher temperature setting allows the tank to provide much more hot water and can help provide proper water temperatures for app...

Страница 5: ...bathing or shower ing Temperature limiting devices such as thermostatic point of use mixing valves must be installed when required by codes and to ensure safe temperatures at fixtures Explosion Hazar...

Страница 6: ...azard Hot water discharge Keep clear of Temperature Pressure Relief Valve discharge outlet Avoid damage Property Damage Hazard Inspection and replacement of anode rod required Printed on 7 25 2022 7 1...

Страница 7: ...ing in water When replacing fuses always use the correct size for the circuit See Wiring Diagram page 23 The model and rating plate on page 9 interprets certain markings into useful information Both o...

Страница 8: ...kage See Locating the Water Heater page 10 Install thermal expansion tank if check valve or pressure re ducing valve is used in supply line Install vacuum relief in cold water inlet line as required b...

Страница 9: ...OUS OPERATION 3000 3000 GPH 68 61 45 41 34 30 27 24 23 20 19 6 LPH 256 230 170 153 128 115 102 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...

Страница 10: ...5 Lowboy 40 2 38 144 32 00 813 23 00 584 24 00 610 8 00 203 118 53 5 Lowboy 50 2 51 193 36 00 914 26 50 673 25 00 635 8 00 203 172 78 0 Tall 30 2 40 151 49 75 1264 20 50 521 53 25 1353 8 00 203 118 53...

Страница 11: ...the drain pan that turn off the water supply to the entire home when water is detected in the drain pan Water supply shut off devices that activate based on the water pressure differential between the...

Страница 12: ...means such as a MIXING VALVE should be used at the hot water taps used by these people or at the water heater MIXING VALVES for reducing point of use temperature are available and are to be set at a...

Страница 13: ...installed when required by codes and to ensure safe temperatures at fixtures The temperature pressure relief valve must be manually operated at least once a year Caution should be taken to ensure tha...

Страница 14: ...terminal block to L2 L3 is not used See Wiring Diagram page 23 The heater now in single phase non simultaneous operation may be field converted to single phase simultaneous operation by moving the re...

Страница 15: ...ater inlet pipe valve allowing the heater and piping to be filled 5 Close the hot water faucet as water starts to flow The heater is now ready for STARTUP and TEMPERATURE REGULATION INITIAL START UP T...

Страница 16: ...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 te...

Страница 17: ...e junction box door for upper thermostat of dual element water heater only and or remove the lower thermostat access panel Do not remove the plastic personnel protectors covering the thermostats The t...

Страница 18: ...water faucet opened in Step 3 9 If the water heater is going to be shut down for an extended period the drain valve should be left open FLUSHING THE WATER HEATER STORAGE TANK 1 Turn off the electrica...

Страница 19: ...the anode 1 Turn off the power supply to the water heater 2 Shut off the water supply and open a nearby hot water faucet to depressurize the water tank 3 Drain approximately 5 gallons of water from t...

Страница 20: ...tanks must be installed on all closed water systems DO NOT PLUG THE TEMPERATURE PRESSURE RELIEF VALVE OPENING THIS CAN CAUSE PROPERTY DAMAGE SERIOUS INJURY OR DEATH Explosion Hazard Temperature Press...

Страница 21: ...ccumulations on the elements causes sizzling and hissing noises when the heater is operating The sounds are normal however the tank bottom and elements should be cleaned See the Maintenance section of...

Страница 22: ...in humid weather or pipe connections may be leaking 3 The anode rod fitting may be leaking 4 The temperature pressure relief valve may be leaking at the tank fitting 5 Small amounts of water from tem...

Страница 23: ...M 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 8 A8 and C2 Circuit Wiring Diagrams...

Страница 24: ...24 www hotwater com 500 Tennessee Waltz Parkway Ashland City TN 37015 Tech Support 800 527 1953 Parts 800 433 2545 Copyright 2022 All rights reserved Printed on 7 25 2022 7 17 AM CT...

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