Submittal Sheet

Tempra
®
Series Technical Specications
17 West St., W. Hatfield, MA 01088 | 800.582.8423 | 413.247.3380 | fax [phone] | info
@
stiebel-eltron-usa.com | www.stiebel-eltron-usa.com
Tempra
®
Model
Item Number
12 Trend 239213
12 Plus 239219
15 Trend 239214
15 Plus 239220
20 Trend 239215
20 Plus 239221
24 Trend
3
239216
24 Plus
3
239222
29 Trend
4
239217
29 Plus
4
239223
36 Trend
5
239218
36 Plus
5
239225
Phase single 50/60 Hz single
6
50/60 Hz single
6
50/60 Hz single
6
50/60 Hz single
6
50/60 Hz single
6
50/60 Hz
Voltage 240
V
or 208
V
240
V
or 208
V
240
V
or 208
V
240
V
or 208
V
240
V
or 208
V
240
V
or 208
V
Wattage 12 kW 9 kW 14.4 kW 10.8 kW 19.2 kW 14.4 kW 24 kW 18 kW 28.8 kW 21.6 kW 36 kW 27 kW
Amperage draw 50
A
44
A
2 x 30
A
2 x 26
A
2 x 40
A
2 x 35
A
2 x 50
A
2 x 44
A
3 x 40
A
3 x 35
A
3 x 50
A
3 x 44
A
Number & min. recommended
size of circuit breakers
1
(
DP
)
1 x 50
A
2 x 30
A
2 x 40
A
2 x 35
A
2 x 50
A
3 x 40
A
3 x 35
A
3 x 50
A
Number of runs & min.
recommended wire size
2
(copper)
1 x 6/2
AWG
2 x 10/2
AWG
2 x 8/2
AWG
2 x 6/2
AWG
3 x 8/2
AWG
3 x 6/2
AWG
Maximum
temperature
increase above
ambient
water temp
@
1.50
GPM
54°F 41°F 65°F 49°F 88°F 66°F 92°F 82°F 92°F 92°F 92°F 92°F
@
2.25
GPM
36°F 27°F 43°F 37°F 58°F 44°F 73°F 54°F 87°F 66°F 92°F 82°F
@
3.00
GPM
27°F 20°F 33°F 25°F 44°F 33°F 54°F 41°F 66°F 49°F 82°F 61°F
@
4.50
GPM
- - - - 29°F 22°F 37°F 27°F 44°F 33°F 55°F 41°F
Min. water flow to activate unit 0.37
GPM
/ 1.4 l/min 0.50
GPM
/ 1.9 l/min 0.50
GPM
/ 1.9 l/min 0.50
GPM
/ 1.9 l/min 0.77
GPM
/ 2.9 l/min 0.77
GPM
/ 2.9 l/min
Weight 13.5 lb / 6.1 kg 16.1 lb / 7.3 kg 16.1 lb / 7.3 kg 16.1 lb / 7.3 kg 19.0 lb / 8.6 kg 19.0 lb / 8.6 kg
Nominal water volume 0.13 gal / 0.5 l 0.26 gal / 1.0 l 0.26 gal / 1.0 l 0.26 gal / 1.0 l 0.39 gal / 1.5 l 0.39 gal / 1.5 l
Max. inlet water temperature 131°F / 55°C
Dimensions
WIDTH
16
5
/
8
˝ / 42.0 cm x
HEIGHT
14½˝ / 36.9 cm x
DEPTH
4
5
/
8
˝ / 11.7 cm
Working pressure 150
PSI
/ 10
BAR
Tested to pressure 300
PSI
/ 20
BAR
Water connections ¾˝ NPT
1
This is our recommendation for overcurrent protection sized at 100% of load. Check local codes for compliance if necessary.
Tankless water heaters are considered a non-continuous load.
2
Copper must be used. Conductors should be sized to maintain a voltage drop of less than 3% under load.
3
Requires minimum 150
A
main service.
4
Requires 200
A
main service.
5
Requires 300
A
main service.
6
29/29 Plus & 36/36 Plus may be wired for balanced 3-phase 208V. 15/15 Plus, 20/20 Plus, 24/24 Plus may be wired for unbalanced 3-phase 208V.
Tested and certified by WQA
against NSF/ANSI 372 for
lead free compliance.
Certified to ANSI/UL Std. 499
Conforms to CAN/CSA Std. C22.2 No.88
Technical Data
Scroll for temp. rise charts.
