A.O. Smith LTE 120D, LTE 66D, LTE 80D User Manual

Commercial Electric Water Heaters

LIGHT-SERVICE COMMERCIAL ELECTRIC WATER HEATERS

Designed for light duty commercial applications with intermittent hot water loads.

GLASSLINED TANK

• Tank interior is coated with glass specially designed by A. O. Smith for water heater use.

HEATING ELEMENTS

• Two 4.5 KW zinc plated copper sheathed elements are standard.

STANDARD VOLTAGES

• The standard voltage is 240V single phase.

TOP MOUNTED RECESSED JUNCTION BOX

CONTROLS

• Thermostat is adjustable through a range of 120º to 181ºF with a manual reset high temperature cutoff. The heater is wired for non-simultaneous single phase operation.

™

COREGARD

ANODE ROD

MAXIMUM WORKING PRESSURE 150 PSI

FACTORY INSTALLED CSA CERTIFIED AND ASME RATED TEMPERATURE AND PRESSURE RELIEF VALVE

CERTIFIED TO UL 1453 FOR COMMERCIAL ELECTRIC WATER HEATERS

COMPLIANCE

• Meets the standby loss requirements of the U.S. Department of Energy and current edition of ASHRAE/IES 90.1.

WARRANTY

• 3-Year limited tank/1-Year limited parts.

• For complete information consult the written warranty or hotwater.com.

• Our anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection for longer than standard anode rods.

ENHANCED-FLOW BRASS DRAIN VALVE

• Solid brass, tamper resistant, enhanced-ﬂow, ball type, drain valve.

www.hotwater.com | 800-527-1953 Toll-Free USA | A. O. Smith Corporation | 500 Tennessee Waltz Parkway | Ashland City, TN 37015

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T&P

VALV E

ACCESS

PANEL

Commercial Electric Water Heaters

ANODE

JUNCTION BOX

ACCESS

PANEL DRAIN

VALV E

T&P VALV

PRODUCT SPECIFICATIONS

Model Number

LTE 66D 66 4500 60-1/4 53 22 8 146 LTE 80D 80 4500 60-1/2 52-1/4 24 8 175 LTE 120D 119 4500 61-1/2 54-1/2 28 8 268

Not available with top mounted T&P valve option. Inlet and outlet connections: 3/4”

Gallon

Capacity

Standard Element Wattage 240 VAC

A B

Dimensions in Inches

Diameter

Approx. Shipping

Weight (lbs)

RECOVERY CAPACITIES

Element Wattage

(Upper/Lower)

Non-Simultaneous

3000/3000 3

3500/3500 3.5

4000/4000 4

4500/4500 4.5

5000/5000 5

5500/5500* 5.5

Simultaneous

3000/3000 6

3500/3500 7

4000/4000 8

4500/4500 9

5000/5000 10

5500/5500* 11

Available in 208 and 240 volts only. Voltage and wattage must be speciﬁed when ordering. Standard factory wiring is for non-simultaneous operation. Simultaneous operation is optional. * 5500 Watts not available in 208 Volts

Input

°F 36 40 54 60 72 80 90 100 108 120 126 °F °C 20 22.2 30 33.3 40 44.4 50 55.5 60 66.6 70 °C

GPH 34 30 23 20 17 15 14 12 11 10 10 GPH

LPH 128 115 85 77 64 58 51 46 43 38 37 LPH

GPH 40 36 27 24 20 18 16 14 13 12 11 GPH

LPH 151 136 101 91 75 68 60 54 50 45 43 LPH

GPH 45 41 30 27 23 20 18 16 15 14 13 GPH

LPH 170 153 114 102 85 77 68 61 57 51 49 LPH

GPH 51 46 34 30 25 23 20 18 17 15 14 GPH

LPH 192 173 128 115 96 86 77 69 64 58 55 LPH

GPH 56 51 38 34 28 25 23 20 19 17 16 GPH

LPH 213 192 142 128 107 96 85 77 71 64 61 LPH

GPH 63 56 42 38 31 28 25 23 21 19 18 GPH

LPH 237 213 158 142 119 107 95 85 79 71 68 LPH

GPH 68 61 46 41 34 30 27 24 23 20 19 GPH

LPH 256 230 107 151 128 115 103 92 85 77 73 LPH

GPH 80 72 53 48 40 36 32 29 27 24 23 GPH

LPH 302 272 201 181 151 136 121 109 101 91 86 LPH

GPH 90 81 60 54 45 41 36 32 30 27 26 GPH

LPH 341 307 227 205 170 153 136 123 114 102 97 LPH

GPH 101 91 68 61 51 46 41 36 34 30 29 GPH

LPH 384 345 256 230 192 173 153 138 128 115 110 LPH

GPH 113 101 75 68 57 51 45 41 38 34 32 GPH

LPH 426 384 284 256 213 192 170 153 142 128 122 LPH

GPH 125 113 84 75 63 56 50 45 42 38 36 GPH

LPH 474 427 316 285 237 213 190 171 158 142 135 LPH

U.S. Gallons/Hour and Liters/Hour at Indicated Temperature Rise

SPECIFICATION

The water heaters(s) shall be model(s) No. ______ as manufactured by A. O. Smith or an approved equal. Heater(s) shall be rated at _____kW, _____volts, single-phase, 60 cycle AC, and listed by Underwriters’ Laboratories. Models shall meet the standby loss requirements of the U.S. Department of Energy and current edition of ASHRAE/IES 90.1. Tank(s) shall be _____gallon capacity. Heater(s) shall have 150 psi working pressure and be equipped with an extruded high density anode rod. All internal surfaces of the heater(s) exposed to water shall be glasslined with an alkaline borosilicate composition that has been fused-to-steel by ﬁring at a temperature range of 1400°F to 1600°F. Electric heating elements shall be zinc plated copper sheath. Each element shall be controlled by an individually mounted thermostat and high temperature cutoff switch. The outer jacket shall be of baked enamel ﬁnish and shall enclose the tank with foam insulation. The drain valve shall be located in the front for ease of servicing. Heater tank shall have a three year limited warranty as outlined in the written warranty. Fully illustrated instruction manual to be included.

For technical information call 800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.

www.hotwater.com | 800-527-1953 Toll-Free USA

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