A.O. Smith Official Manual for DRE-80 Water Heater - Specifications and Recovery Capacity

RECOVERY CAPACITY IN GALLONS AT TEMPERATURE RISE OF

Standard	BTU/	30°F	40°F	50°F	60°F	70°F	80°F	90°F	100°F	110°F	120°F	130°F	140°F
kW Input	Hour	17°C	22°C	28°C	33°C	39°C	45°C	50°C	56°C	61°C	67°C	72°C	78°C
6	20,478	82	62	49	41	35	31	27	25	22	21	19	18
		310	233	166	155	133	116	103	93	85	78	72	66
9	30,717	123	92	74	62	53	46	41	37	34	31	28	26
		465	349	279	233	199	174	155	140	127	116	107	100
12	40,956	164	123	98	82	70	61	55	49	45	41	38	35
		620	465	372	310	266	233	207	186	169	155	143	133
13.5	46,075	184	138	111	92	79	69	62	55	50	46	43	40
		698	523	419	349	299	262	233	209	190	174	161	150
15	51,195	205	154	123	102	88	77	68	61	56	51	47	44
		775	582	465	388	332	291	258	233	211	194	149	166
18	61,434	246	184	148	123	105	92	82	74	67	62	57	53
		930	698	558	465	399	349	310	279	254	233	215	199
24	81,912	328	246	197	164	140	123	109	98	90	82	76	70
		1241	930	744	620	532	465	414	372	338	310	286	266
27	92,151	369	276	221	185	158	138	123	111	101	92	85	79
		1396	1047	938	609	509	523	465	410	391	340	322	299
30	102,390	410	307	246	205	176	154	137	123	112	102	95	88
		1551	1163	930	775	665	582	517	465	423	388	358	332
36	122,868	492	369	295	246	211	184	164	148	134	123	113	105
		1861	1396	1117	930	798	698	620	556	508	465	429	399
40.5	138,226	554	418	332	277	237	208	185	166	151	138	128	119
		2094	1570	1256	1047	897	785	698	628	634	582	537	498
45	153,585	615	461	369	307	263	230	205	184	168	154	142	132
		2326	1745	1398	1163	997	872	755	698	634	582	537	498
54	184,302	738	554	443	359	316	277	246	221	201	185	170	158
		2791	2094	1675	1396	1196	1047	930	837	761	696	644	598

Figured at 1 KW (3413 BTU) = 4.1 Gallons at 100°F temperature rise.

NSF ratings may be obtained by multiplying the above figures by 0.98.

Tank

Dimensions

Inlet/

Approx. Ship.

Model

Capacity

A

B

C

Outlet (NPT)

Wt. (Lbs.)

Number

gal.

litre

in.

cm

in.

cm

in.

cm

in.

cm

lb

kg

DRE-52

50

189

55 1/4

140.3

21 3/4

55.2

27 1/4

69.2

1 1/4

3.2

265

120

DRE-80

80

300

59 1/2

151.1

25 1/4

64.1

31 1/4

79.4

1 1/4

3.2

280

127

DRE-120

119

450

62 1/4

158.1

29 1/2

75.0

35 3/4

90.8

1 1/4

3.2

390

177

		Model Numbers		Number			Full Load Current In Amperes
KW	Tank Capacity in Gallons			Of	Element		Single Phase				Three Phase
Input	50	80	119	Elements	Wattage	208V	240V	277V	480V	208V		240V	480V
6	DRE-52-6	DRE-80-6	DRE-120-6	3	2,000	28.8	25.0	21.7	12.5	16.7		14.4	7.2
9	DRE-52-9	DRE-80-9	DRE-120-9	3	3,000	43.3	37.5	32.5	18.8	25.0		21.7	10.8
12	DRE-52-12	DRE-80-12	DRE-120-12	3	4,000	57.7	50.0	43.3	25.0	33.3		28.9	14.4
13.5	DRE-52-13.5	DRE-80-13.5	DRE-120-13.5	3	4,500	64.9	56.3	48.7	28.1	37.5		32.5	16.2
15	DRE-52-15	DRE-80-15	DRE-120-15	3	5,000	72.1	62.5	54.2	31.3	41.6		36.1	18.0
18	DRE-52-18	DRE-80-18	DRE-120-18	3*	6,000	86.5	75.0	65.0	37.5	50.0		43.3	21.7
24	DRE-52-24	DRE-80-24	DRE-120-24	6	4,000	115.4	100.0	86.6	50.0	66.6		57.7	28.9
27	DRE-52-27	DRE-80-27	DRE-120-27	6	4,500	129.8	112.5	97.5	56.3	74.9		65.0	32.5
30	DRE-52-30	DRE-80-30	DRE-120-30	6	5,000	144.2	125.0	108.3	62.5	83.3		72.2	36.1
36	DRE-52-36	DRE-80-36	DRE-120-36	6*	6,000	173.1	150.0	130.0	75.0	99.9		86.6	43.3
40.5	DRE-52-40.5	DRE-80-40.5	DRE-120-40.5	9	4,500	194.7	168.8	146.2	84.4	112.4		97.4	48.7
45	DRE-52-45	DRE-80-45	DRE-120-45	9	5,000	216.3	187.5	162.5	93.8	124.9		108.3	54.1
54	DRE-52-54	DRE-80-54	DRE-120-54	9	6,000	N/A	225.0	194.9	112.5	149.9		129.9	65.0

*208 volt models may contain three (3) additional elements.

SUGGESTED SPECIFICATIONS

The heater(s) shall be Dura-Power Commercial Electric Model Number _______________ as manufactured by A.O. Smith Water Products Company

or equivalent. Heater(s) shall be rated at ______________ KW ________ V _____________ phase, 60 cycle AC listed by Canadian Standards

Association. Tank(s) shall be ________ gallon (Liter) capacity. Heater(s) shall have 150 psi (1034 kPa) working pressure and be equipped with

extruded high density anode. All internal surfaces of the heater(s) exposed to water shall be glass-lined with an alkaline borosilicate composition that has been fused to steel by firing at a temperature range of 1400°F to 1600°F (760° to 870°C). Electric heating elements shall be low watt density with incoloy sheath and 1" screw-in type. Each element shall be controlled by an individually mounted thermostat and high temperature cut-off switch. All internal circuits shall be fused (optional). The outer jacket shall be of baked enamel finish and shall be provided with full size control compartment for performance of service and maintenance through hinged front panel and shall enclose the tank with vermin proof foam insulation. Electrical junction box with heavy duty terminal block shall be provided. 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. Manufacturer shall supply ASME rated temperature and pressure relief valve. Fully illustrated instruction manual to be included.

A.O. Smith Water Products Co., Inc. On Line

www.hotwater.com

For Technical Information

Phone: 800-265-8520

A. O. Smith Enterprises Ltd.	McBee, South Carolina
A Division of A. O. Smith Corporation	El Paso, Texas
Stratford, Ontario	Seattle, Washington
	Veldhoven, The Netherlands

A. O. Smith Corporation reserves the right to make product changes or improvements at any time without notice.

A 212.0C © A. O. Smith Corp., 2001 Printed in U.S.A.