9
Technical Data
Phase
Voltage
V
Wattage
kW
Max. amp, load
A
Min. required circuit brea-
A
ker size
Required wire size
AWG COPPER
Inlet temperature, max.
°F (°C)
≥ GPM ( ≥ l/min) 0.37 (1.4)
Water flow to activate unit
Nominal water volume
GAL (l)
Working pressure, max.
PSI (bar)
Tested to pressure
PSI (bar)
Weight
lbs. (kg)
Dimensions
height
inch (mm)
depth
width
Water connections
NPT
– Tankless water heaters are considered a non-continuous load
– Conductors should be sized to maintain a voltage drop of less than 3 % under load
10 Troubleshooting
No hot water
Not enough hot water
Water not hot enough
If you are not able to resolve a problem please contact us toll free at 800-582-8423 before removing the unit from the wall.
STIEBEL ELTRON is happy to provide technical assistance. In most instances, we can resolve the problem over the phone.
1
1
208
240
208
240
9
12
10.8
14.4
44
50
2 x 26
2 x 30
60
60
2 x 40
2 x 40
6
6
2 x 8
2 x 8
131 (55)
0.58 (2.2)
0.13 (0.5)
0.26 (1.0)
145 (10)
290 (20)
13.2 (6.1)
15.4 (7.3)
14 1/2 (369)
4 5/8 (117)
16 5/8 (420)
3/4"
– circuit breakers off
– safety thermal cut-out tripped
– not enough flow rate to activate unit
– filter screen clogged
– water flow rate too high
– voltage too low
– 9 –
1
1
208
240
208
240
14.4
19.2
18
24
2 x 35
2 x 40
2 x 44
2 x 50
2 x 50
2 x 50
2 x 60
2 x 60
2 x 8
2 x 8
2 x 6
2 x 6
0.58 (2.2)
0.58 (2.2)
0.26 (1.0)
0.26 (1.0)
15.4 (7.3)
15.4 (7.3)
– turn circuit breakers on
– reset safety thermal cut-out
– clean filter screen at unit
– clean faucet aerator or shower head
– clean filter screen at unit
– reduce water flow rate until power light on front
cover stops blinking
– supply correct voltage to unit
1
1
208
240
208
240
21.6
28.8
27
36
3 x 35
3 x 40
3 x 44
3 x 50
3 x 50
3 x 50
3 x 60
3 x 60
3 x 8
3 x 8
3 x 6
3 x 6
0.87 (3.3)
0.87 (3.3)
0.39 (1.5)
0.39 (1.5)
17.6 (8.6)
17.6 (8.6)