Sizing Guide DHC-E Single or Multi-Point-of-Use ... - Stiebel Eltron

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DHC-E Sizing Guide

DHC-E Sizing Guide Single or Multiple Point Tankless Electric Water Heater Flow GPM

DHC-E 8/10 at 7.2 kW at 9.6 kW

240 V 240 V Min. recommended Min. recommended 30 A circuit breaker 40 A circuit breaker

DHC-E 12 12 kW

Cool (Northern) Climate Inlet water 45°F - 55°F

240 V Min. recommended 50 A circuit breaker AK

Lavatory Sink Kitchen Sink

SK

Med 0.75

ON

ME

ND

OR

MN

ID

NV

High 1.0

MI IA

NE UT

CA AZ

CO

NY

WI

SD

WY

IL

KS OK

NM

OH KY

WV VA

NJ DE MD

NC

TN

SC

AR AL

GA

LA FL

Warm (Southern) Climate Inlet water 55°F - 70°F

Std. 2.0

High 1.5

PA

NS

VT NH MA RI CT

HI

Low 1.0

Low 0.5

IN

MO

MS TX

NB

QC

MB MT

Recommendations are correct if unit is installed with 240 V service. Increase one model size if unit will be installed with 208 V service.

Utility/ 2.0 - 3.0 Janitor Sink 1.0 - 2.0 Multiple Sinks

AB

WA

Non- 1.5 Code

1 Shower

PE

BC

Std. 0.5

*3 *2

*4 *3

*5 *4 *2

*Max. number of sinks that can be serviced by one unit

Call Stiebel Eltron at 800.582.8423 if you have any sizing questions, or if you have showers, or another out-of-the-ordinary situation. Stiebel Eltron service representatives can make recommendations on sizing, or provide assistance with our water heaters, to both homeowners and professional installers.

Low 1.0 Med 1.5 Std. 2.5 Scroll for temp rise charts. 

17 West St., W. Hatfield, MA 01088 | 800.582.8423 | 413.247.3380 | fax 413.247.3369 | [email protected] | www.stiebel-eltron-usa.com

DHC-E Sizing Guide Temperature Rise vs. Flow Rate at 240 V and 208 V 90 80 70

Temp Rise °F

60 50 40 30 20

DHC-E 12 DHC-E 8/10

10

Stage 2 @ 240V Stage 1 @ 240V Stage 2 @ 208V Stage 1 @ 208V

0 0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

Flow Rate GPM

Temperature Rise vs. Flow Rate at 240 V 90 80 70

50 40 30 20

DHC-E 12 DHC-E 8/10

10

Stage 2 @ 240V Stage 1 @ 240V

Temperature Rise vs. Flow Rate at 208 V

0 0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

90

Flow Rate GPM

80 70 60 Temp Rise °F

Temp Rise °F

60

50 40 30 20 DHC-E 12 DHC-E 8/10

10

Stage 2 @ 208V Stage 1 @ 208V

0 0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

Flow Rate GPM

17 West St., W. Hatfield, MA 01088 | 800.582.8423 | 413.247.3380 | fax 413.247.3369 | [email protected] | www.stiebel-eltron-usa.com