DOE PUBLIC WORKSHOP ON

WATER HEATER TEST PROCEDURES

FEBRUARY 12, 1997

DR. CARL HILLER

ELECTRIC POWER RESEARCH INSTITUTE

PALO ALTO, CA

EE-RM-94-230 COMMENT 49E

DOE PUBLIC WORKSHOP ON 

WATER HEATER TEST PROCEDURES 

FEBRUARY 12, 1997 

DR. CARL HILLER 

ELECTRIC POWER RESEARCH INSTITUTE 

PALO ALTO, CA 

E 
150

1 4 0 RA N.................................... .....

1 3 0 . ...... ............. ..................... .................... ..... ......... ....................... .................... ................ ... ............................. ... ....... . 1 1 3 30 0 -- .. .. 211/96 ...---..... -..... - 1/31/97 ------- ----- ----- ---------------- 120 -- 66.7 gpd

110 --

100 -

9 0 .................... .................................................................................................................................................................................................. 0

80

70 -....

,60 .. .e

D 50

20

10

0

0 0.5 1 1.5 2 2.5 3

Time (hours)

once =-- per month -- once per week - once per day

EE-RM-94-230 COMMENT 49E

150 

140 ········RAN .................. _-_ ............ -....... 

130 ........ 2/1/96 - 1/31/97 ........... .... --_ .................. 

120 66.7 gpd 

110 

_100 

rJ) 

c 90 0 

m 80 

C> - 70 3: 

m 

L... 60 

0 50 

40 

30 

20 

10 

0 

0 0.5 1 1.5 2 2.5 3 

Time (hours) 

----- once per month -R- once per week --I- once per day 
150

1 140 4 0 -----....... R A RAN------- N ............................................................................................................................................................................................

130 - --- 11/1/94- 10/31/95

120 -- 59.4 gpd 1 2 0 .................... : -....... .

110

__ 1001 0 0 . . .............................................................................. .......... .......................... ............................................... .......... ...............

0

- 80

70-

- 60

40

30

20 10 -

0 i I l I I I l l I

0 0.5 1 1.5 2 2.5 3

Time (hours)

|-- once per month - once per week - once per day

EE-RM-94-230 COMMENT 49E

150 

140 

130 

120 

110 

_100 

C/) 

c:: 90 0 

(tJ 80 

C) 

......... 70 ~ 

-~ 60 

0 50 

40 

30 

20 

10 

0 

0 

-RAN 

_____________________ _ 11/1/94 - 10/31/95 

59.4 gpd 

0.5 1 1.5 

Time (hours) 

2 2.5 

------ once per month ---- once per week ~ once per day 

3 
150

1 140 4 0 ; A M A ........................................ .............................................. ................................ .AMA-------------------

130 - ..... 11/1/94 - 10/31/95

120 - 28.0 gpd

110

1 0 0 . ............... ........................................ ......................... .................................. ..... .................. .. ................................... ._.100

I 909 0 ..................... ............................ .................................. ...................... .. ...... ................................... ............... .............

80

- 70-

60

o 0 0 ,. ... 

30

2010 --- X----------------- "-i

0 0.5 1 1.5 2 2.5 3

Time (hours)

-e- once per month -- once per week - once per day

EE-RM-94-230 COMMENT 49E

150 ~--------------------------------------------------. 

140 - ··AMA 

130 - .. ............... 11/1/94 - 10/31/95 

120 28.0 gpd 

110 

....... 100 

CIJ 5 90 - .. . 

(tJ 80 - ... . C> i 70 ~ 60 _ ..... . o 50 _ .... 

40 _. .. . .... ···································~IR 

30 .......-:====:==:==========='-"'-~~===::II'::::~===----=====r 20·1I!!t:· 

10 - ..... . ........................... ..... 

..... - - - - o +----+----+-:--~----~:--~--~:----1----+I----+----+:----+---~ 

o 0.5 1 1.5 

Time (hours) 

2 2.5 

---- once per month --m-- once per week ~ once per day 

3 
150

140 ------------------- SCH.---------------------

130 - - 11/1/94-10/31/95

120 - 47.8 gpd

110

_..100

C 0 0 . ............... .......... .................... ........................................................................................... ............... 0

8 0... .... .... ..... ......

70

L60

D50

40

30

20

10 ---------......................................

0 0.5 1 1.5 2 2.5 3

Time (hours)

-e- once per month --- once per week -- once per day

EE-RM-94-230 COMMENT 49E

150 ~------------------------------------------------~ 

140 

130 

120 

110 

_100 

en 

c:: 90 0 

cu 80 

C> - 70 3: 

cu 

L- 60 

a 50 

40 

30 

20 

10 

0 

0 

SCH 

...... 11/1/94 - 10/31/95 

47.8 gpd 

0.5 1 1.5 

Time (hours) 

2 2.5 

-.- once per month ---m-- once per week -I- once per day 

3 
150

140 6--------------------90

130 - Oct 94 - Mar 95

1 4 0 0 - ........................................................................................................................................ 6 9 0 .....................................................

U 8) 901 0

'i~ 80

0) 7 0 - ----- ----- ' 7o - *****- *-*- - *- . .....................................................................................................................

0

40

30

20

0 I I I I I

0 0.5 1 1.5 2 2.5 3

Time (hours)

_-- once per month -w- once per week -z- once per day

EE-RM-94-230 COMMENT 49E

150 ~------------------------------------------------~ 

140 

130 

120 

110 

_100 

CI) 

c 90 o 

co 80 

C) i 70 

~ 60 

o 50 

40 

30 

20 

10 

························690 

. Oct 94 - Mar 95 

63.1 gpd 

o +---~---+--~----+---4---~---4----~--~--~---+--~ 

o 0.5 1 1.5 

Time (hours) 

2 2.5 

----- once per month -III- once per week ~ once per day 

3 
150

140 -.----------------.. 691 1 3 0 6 9 1 ........................... ....................................................................................... 130 - Oct94- 0- Mar95

120 - 34.5 gpd

1 1101 0 .................................... ..... .........................................................

100

(/)

§ 900 ................................................... ........................................................................ .........................................................

Ca 0 80

70 --- --. .... . ..

70 .. ............. ................... ................................................................................. ', .. ........... ................... ..................

0

3 0 .............

1 0 ..................... .............

0 0.5 1 1.5 2 2.5 3

Time (hours)

-®- once per month -x- once per week -- once per day

EE-RM-94-230 COMMENT 49E

150 ~-----------------------------------------------. 

140 - ·····691 

130 - ........................ Oct 94 - Mar 95 

120 _ .. 34.5 gpd 

110 

_100 

C/) 

c: 90 o 

co 80 - .. 0) i 70 _ .. 

~ 60 - .. o 50 -

40 - .. 

30 -~~~~~~~==~==~~~:_.= ........ = ........ = ........ = .... = ........ = ...... = ....... = ..... ~~.= ....... =~ .. ==~~~ 20 ..................................... ~.~ ..... . ....... ~ 

10 ....'%: w~~~--~~==~-~================···=····~····~····~·····~================f .......................... . 

o +----+----+:----+----~1--~--~:~--4---~+----+----+1----+---~ 

o 0.5 1 1.5 

Time (hours) 

2 2.5 

-e- once per month -D- once per week -I-- once per day 

3 
150

1 1 4 4 0 0 - ; ---------------....................... ....6 6929 2 . ...........................................................................................

130 fOct 0 94 - Mar 95

12 .. 70.1 gpd

110

._.100

c 90

0 9 8 0 , ........ ................................... ......................................................... ................ ...............................................

'~ 0 80

70

6050

40

30 -

20

10

0iI I I l I I

0 0.5 1 1.5 2 2.5 3

Time (hours)

-|- once per month - once per week - once per day

EE-RM-94-230 COMMENT 49E

150 ~-------------------------------------------------

140 

130 

120 

110 

_100 

en 

c: 90 0 

co 80 

C> 

- 70 ~ co 

'- 60 

0 50 

40 

30 

20 

10 

0 

0 

···················692 

.................. Oct 94 - Mar 95 

70.1 gpd 

0.5 1 1.5 

Time (hours) 

2 2.5 

---e- once per month ---m--- once per week -I- once per day 

3 
150

140 -693--------------------------

1 3 0 -- . .................... ...... ................................... 72.0 gpd

110

1 1 9 0 . . . ...................... ..... ........ ............................... .................. .............................................. ................ ..........................

0

1 0 -- - --.........................----.................. - - -- .... .......------ ..--- ... - ........... ...................................

i' 80

60

50

40

30

2 0 - ...............-.......................

10

0 T I i I I I I -

0 0.5 1 1.5 2 2.5 3

Time (hours)

+-- once per month -- once per week -x once per day

EE-RM-94-230 COMMENT 49E

150 ~------------------------------------------------~ 

140 

130 

120 

110 

........ 100 

en 

c 90 o 

co 80 

C> 

--- 70 

~ 60 

o 50 

40 

30 

20 

10 

----693 

__________________________ Oct 94 - Mar 95 

72.0 gpd 

o +---~---+--~----+---1----+--~----r---~---r--~--~ 

o 0.5 1 1.5 

Time (hours) 

2 2.5 

------ once per month --- once per week ~ once per day 

3 
150

140 1 4 0 ---- TIE----------------- T I E . .............................................. . ........................................................................................

.................................................

130 1 3 0 ............................................................................... 2/1/96-1/31/97 /1 /9 6 - 1 /3 1 /9 7 ..................................... ........ 72.1 gpd 120 -

210 110 -

i0

70

X 60-

50

40

50 .......... ............. ...... . ............................................................... ......... ....................... . . . . ... .. 

3 0 ................................

20

10

0 O I I I i I I I I

0 0.5 1 1.5 2 2.5 3

Time (hours)

-*- once per month -u- once per week -x once per day

EE-RM-94-230 COMMENT 49E

150 

140 

130 

120 

110 

_100 

rJ) 

c: 90 0 

C\l 80 

C> 

......... 70 ~ C\l 

~ 60 

0 50 

40 

30 

20 

10 

0 

0 

·······TIE 

.. 2/1/96 - 1/31197 .... 

72.1 gpd 

0.5 1 1.5 

Time (hours) 

2 2.5 

--- once per month -IB--- once per week ---I- once per day 

3 
150

140 ----- 695------.............

130 -.... ........ Oct 94 - Mar 95

10 0 - ........... . . 94.. . . . . 5 . .......................................................................-................ .................. .......... .......... .

~120 - 68.9 gpd

C 9 0 -. ........................... .... ........................................................................................... ........................ ..................................... .........

110

O90

80

- 6 0 - ............................................................. ... ...... ................. . ... .....................................

· 70

4 0 .............-.......- 60......== ...... 50

40

30

20 ----------- ------ --------- -.-.. .. . . - . . ..... c

10

0

0 0.5 1 1.5 2 2.5 3

Time (hours)

-®- once per month a- once per week -- once per day

EE-RM-94-230 COMMENT 49E

150 ~------------------------------------------------~ 

140 

130 

120 

110 

_100 

en 

c:: 90 0 

co 80 

C> 

........ 70 ~ 

~ 60 

0 50 

40 

30 

20 

10 

0 

0 

·····695 

.....Oct 94 - Mar 95 

68.9 gpd 

0.5 1 1.5 

Time (hours) 

2 2.5 

-e- once per month --- once per week -I- once per day 

3 
150

140 ------ 696

120 -- 83.4 gpd

110

1 2 0 . ...... ......................................... ............... ...................................... ..... ............................................. .................................

_, 100

900- 

70

60

50

40

30 -

2 0 ................................

10

0

0 0.5 1 1.5 2 2.5 3

Time (hours)

-- once per month -- once per week -- once per day

EE-RM-94-230 COMMENT 49E

150 

140 

130 

120 

110 

_100 

C/) 

c: 90 0 

co 80 

C> 

-- 70 3: 

~ 

co 60 

0 50 

40 

30 

20 

10 

0 

0 

········696 

.......... Oct 94 - Mar 95 

83.4 gpd 

0.5 1 1.5 

Time (hours) 

2 2.5 

----- once per month ----- once per week -I- once per day 

3 
150

140 697---------

130 1

Oct94 - Mar 95 ..................... . ..

120 -- 124.3 gpd 1 2 0 ........ ....

110

c 90

' 80

70

160

50

40

2 0 ..................................... ----... .... ...... ... ................................... ... . ........................................ ....................................... . .. . . .. ........... . . .. . . .. . . .. . . .. . .. . ..

0 .. .. .. .. ..... ....................................................... .............. .. ............. ... ..............................

0 0.5 1 1.5 2 2.5 3

0 0.5 1 1.5 2 2.5 3

Time (hours)

e once per month -- once per week - once per day

EE-RM-94-230 COMMENT 49E

150 ~------------------------------------------------~ 

140 

130 

120 

110 

-.100 

(/) 

§ 90 

m 80 

C> i' 70 

~ 60 

a 50 

40 

30 

20 

10 

·············697 

. Oct 94 - Mar 95 

124.3 gpd 

o +---~---+----~--+---~---+--~----r---~--~--~--~ 

o 0.5 1 1.5 

Time (hours) 

2 2.5 

--- once per month ---m---- once per week --I- once per day 

3 
150

140 698---------------------

1 3 0 - . . .... . . . . ... . . .6 ct 94 ' M a r 95 ................................................ ..................................................................................... 130 1 30 _ 

- Oct 7..........................Mar 94 - Mar 959

76.6 gpd 1 2 0...... ...... .......- -

110

._.100 - C() C 9 0 . ............................................................... ................................ ........................... ................. - 90

0 7' 80

70' 70

60

40 -

3 0 ..................

10 -------................................ 0

0 0.5 1 1.5 2 2.5 3

Time (hours)

-®- once per month -n- once per week - once per day I

EE-RM-94-230 COMMENT 49E

150 

140 

130 

120 

110 

_100 

CI) 

c: 90 0 

«I 80 

C> 

........ 70 3: 

~ 60 

0 50 

40 

30 

20 

10 

0 

0 

········698 

......................... Oct 94 - Mar 95 

76.6 gpd 

........................................... ........... ~ ;=: ... ~~=====~~--~=I 

0.5 1 1.5 

Time (hours) 

2 2.5 

--e- once per month -III- once per week ~ once per day 

3 
150

140 ---------699

130 ----------- ct 94 - Mar 95 49.3 gpd 120

110

, 100

0 9 0 .... ............................................... ............................... ......................................................... .................... ......................... ...

80

70

60

50

40

30 --

10

0 I

0 0.5 1 1.5 2 2.5 3

Time (hours)

-|- once per month -a- once per week x once per day

EE-RM-94-230 COMMENT 49E

150 

140 

130 

120 

110 

_100 

Cf) 

c: 90 0 

co 80 

C) 

.......... 70 ~ co 60 '-

0 50 

40 

30 

20 

10 

0 

0 

···699 

........................... Oct 94 - Mar 95 

49.3 gpd 

0.5 1 1.5 

Time (hours) 

2 2.5 

----- once per month ---- once per week ~ once per day 

3 
150

140 -------------------- 700

130 -.......... Oct 94 - Mar 95

120 - 38.0 gpd 120

110 1 1 0 . . .................................. ............................................................................................ .......................

0

7 0 -. .---- ............................

6 0 ..........................................................................................................................................................................................................

80

70

X60

50

40 - II

0 0.5 1 1.5 2 2.5 3

10

0 0.5 1 1.5 2 2.5 3

Time (hours)

- once per month -W once per week -- once per day

EE-RM-94-230 COMMENT 49E

150 ~------------------------------------------------~ 

140 

130 

120 

110 

_100 

en 

c 90 o 

co 80 

C) i 70 

~ 60 

o 50 

40 

30 

20 

10 

························700 

....... ... Oct 94 - Mar 95 

38.0 gpd 

o +_---r---+--~~--+_--~--_+--~----r_--~--_r--~--~ 

o 0.5 1 1.5 

Time (hours) 

2 2.5 

----- once per month --- once per week --r- once per day 

3 
150

1 4 0 -- 1 1 0 F D e liv ......................................... e ry T ..................... ... .................. ...... ................... ...................... .. .......................... . .. 140 - lOFDeliveryT

instantaneous full-tank draw

120 o-- .ri_--4.......... -- _o. .... .

1 8 0 ................. ................... .............. . . . . . ....................... .....---- v--............................................................... ......................

60110

o' 50-

0

M 30 . .............. .................. ........................................... ........................................................ ..... ................................ ........

-I 70

a)

. 60

50

<40

x 30

10

0 --------- ...- ..................

0 0.5 1 1.5 2 2.5 3

Time (hours)

-a- 50 gal, 4.5 kW/4.5 kW -a-- 50 gal, 35 kBtu/h --- 80 gal, 4.5 kW/4.5 kW - 50 gal, 4.5 kW

EE-RM-94-230 COMMENT 49E

150 ~------------------------~------------~--------~ 

140 f- .................. 110 F Delivery T ............................................................................................... J.. . .............. ···1 

instantaneous full-tank draw I ....... 130 f- .................................. -

en 

§ 120 rCCJ110 f-. 

0> 

-~ 100 r- ID ro 90 f-. 

~ 80 f-

...................................................... ································l 

o I: 70 r- .................................................. ............................. y ~ 60 f-··················································r· 

~ ~~ .f-_ ..... _ .. ·_··_··· .... 1 ....·····_······ __ --__ _ 

~ 30 f-

~ 20 r- .. 

10 r-

..................... J 

o +---~----~I----~--~----~--~I----~----~--~----~--~--~ 

o 0.5 1 

- 50 gal, 4.5 kW/4.5 kW - 50 gal, 35 kBtu/h 

1.5 

Time (hours) 

2 2.5 

- 80 gal, 4.5 kW/4.5 kW - 50 gal, 4.5 kW 

3 
150

140 ... 135 F Delivery T ...... instantaneous full-tank draw : .

o,

I 70..........

X30

10

50

> 1 0 0 - - .......-...... .... .............. . ................

g o0 - - ..... .............................................. -----.-. .. .. . .... ............. ...... ... .... ... . ..... ... .. ... ..... .. .. .......... ... ..... ... ...... .... . ... .. .. .. .. ... .. ..... .

7 0 ........................ . ........ .............. I.... .... ............... ...................... .......................

0 0.5 1 1.5 2 2.5 3

Time (hours)

-A- 50 gal, 4.5 kW/4.5 kW -B-- 50 gal, 35 kBtu/h -o- 80 gal, 4.5 kW/4.5 kW -x- 50 gal, 4.5 kW

EE-RM-94-230 COMMENT 49E

150 ~------------------------------------~------------, 

140 

-130 en 

§ 120 

m 110 C> 

':" 1 00 

(l) 

..... 

m 90 ~ ..... 80 

0 

J: 70 

(l) 60 ..c 

m 50 <U 

> « 40 

m >< 30 ~ 20 

10 

0 

0 

.. . .... 135 F Delivery T 

instantaneous full-tank draw 

........................................................ 

································-1=····· ·············································l······ ............................... ": ...... . 

···-1 

0.5 1 1.5 

Time (hours) 

·······1· 

I 

2 

I 

2.5 

-.- 50 gal, 4.5 kW/4.5 kW - 50 gal, 35 kBtu/h - 80 gal, 4.5 kW/4.5 kW -- 50 gal, 4.5 kW 

3