Sizing Guide - Stiebel Eltron
DHC Sizing Guide
DHC Sizing Guide Single Sink Tankless Electric Water Heater DHC MODEL
KITCHEN SINK LAVATORY SINK
Flow GPM
DHC 3-1
DHC 3-2
120 V 240 V Minimum 25 A Minimum 15 A circuit breaker circuit breaker
DHC 4-2 DHC 4-3
DHC 5-2
DHC 6-2
DHC 8-2
DHC 9-3 DHC 10-2
240 V 277 V 240 V 240 V 240 V 277 V 240 V Minimum 20 A Minimum 20 A Minimum 20 A Minimum 25 A Minimum 30 A Minimum 35 A Minimum 40 A circuit breaker circuit breaker circuit breaker circuit breaker circuit breaker circuit breaker circuit breaker
Std. 0.5 High 1.0 Non- 2.0 code Low 1.0 Std. 2.0
Utility / Janitor’s 1.0 -2.0 Sink DHC 3-1, 3-2, 4-2 ship with a 0.5 GPM pressure compensating flow reducer/aerator that must be installed. AK
PE
BC
Cool (Northern) Climate Inlet water 45°F - 55°F
AB
SK
ON
MT
ME
ND
OR
MN
ID WY NV CA AZ
CO
NY
WI
SD
MI IA
NE UT
IL
KS OK
NM
IN
MO
PA OH KY
WV VA
SC
AR AL
NS
VT NH MA RI CT
NJ DE MD
NC
TN MS
TX
NB
QC
MB
WA
GA
LA
Warm (Southern) Climate Inlet water 55°F - 70°F
FL
HI
Recommendations for 240 V models are correct if installed with 240 V service. Increase one model size if unit will be installed with 208 V service. Call Stiebel Eltron at 800.582.8423 if you have any sizing questions, or if you have any 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. 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 Sizing Guide
Temperature Rise vs. Flow Rate at Maximum Rated Voltage 90 0.79
80 0.69
70
Temp Rise °F
60 50 40 DHC 10-2 DHC 9-3 DHC 8-2 DHC 6-2 DHC 5-2 DHC 4-3 DHC 4-2 DHC 3-2 DHC 3-1
30 20 10 0
0.5
0.75
1.0
1.25
1.5
1.75
2.0
Flow Rate GPM
Temperature Rise vs. Flow Rate at 208 V 90 80 70 0.79
Temp Rise °F
60 0.69
50 40 30
DHC 10-2 DHC 8-2 DHC 6-2 DHC 5-2 DHC 4-2 DHC 3-2
20 10 0
0.5
0.75
1.0
1.25
1.5
1.75
2.0
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
DHC Sizing Guide Single Sink Tankless Electric Water Heater DHC MODEL
KITCHEN SINK LAVATORY SINK
Flow GPM
DHC 3-1
DHC 3-2
120 V 240 V Minimum 25 A Minimum 15 A circuit breaker circuit breaker
DHC 4-2 DHC 4-3
DHC 5-2
DHC 6-2
DHC 8-2
DHC 9-3 DHC 10-2
240 V 277 V 240 V 240 V 240 V 277 V 240 V Minimum 20 A Minimum 20 A Minimum 20 A Minimum 25 A Minimum 30 A Minimum 35 A Minimum 40 A circuit breaker circuit breaker circuit breaker circuit breaker circuit breaker circuit breaker circuit breaker
Std. 0.5 High 1.0 Non- 2.0 code Low 1.0 Std. 2.0
Utility / Janitor’s 1.0 -2.0 Sink DHC 3-1, 3-2, 4-2 ship with a 0.5 GPM pressure compensating flow reducer/aerator that must be installed. AK
PE
BC
Cool (Northern) Climate Inlet water 45°F - 55°F
AB
SK
ON
MT
ME
ND
OR
MN
ID WY NV CA AZ
CO
NY
WI
SD
MI IA
NE UT
IL
KS OK
NM
IN
MO
PA OH KY
WV VA
SC
AR AL
NS
VT NH MA RI CT
NJ DE MD
NC
TN MS
TX
NB
QC
MB
WA
GA
LA
Warm (Southern) Climate Inlet water 55°F - 70°F
FL
HI
Recommendations for 240 V models are correct if installed with 240 V service. Increase one model size if unit will be installed with 208 V service. Call Stiebel Eltron at 800.582.8423 if you have any sizing questions, or if you have any 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. 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 Sizing Guide
Temperature Rise vs. Flow Rate at Maximum Rated Voltage 90 0.79
80 0.69
70
Temp Rise °F
60 50 40 DHC 10-2 DHC 9-3 DHC 8-2 DHC 6-2 DHC 5-2 DHC 4-3 DHC 4-2 DHC 3-2 DHC 3-1
30 20 10 0
0.5
0.75
1.0
1.25
1.5
1.75
2.0
Flow Rate GPM
Temperature Rise vs. Flow Rate at 208 V 90 80 70 0.79
Temp Rise °F
60 0.69
50 40 30
DHC 10-2 DHC 8-2 DHC 6-2 DHC 5-2 DHC 4-2 DHC 3-2
20 10 0
0.5
0.75
1.0
1.25
1.5
1.75
2.0
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
