Technical Data; 12. Troubleshooting - Stiebel Eltron MINI 2-1 Utilisation Et Installation

INSTALLATION

TECHNICAL DATA

11. Technical data
Model
Item number
Phase
Voltage
Wattage
Max. amp, load
Min. required circuit
breaker size
Required wire size AWG COPPER
Min. water flow to
activate unit
Recommended inlet
temp. range
Nominal water volume
Working pressure,
max.
Tested to pressure
Weight
Dimensions
Height
Depth
Width
Water connections
Heating System
™
Mini 2-1 models are internally restricted to 0.32 gpm. Mini
Mini ™ 3.5-1, 4-2 ship with a 0.66 gpm pressure compensating fl ow reducer/aerator that should be installed.
-Tankless water heaters are considered a non-continuous load
-Conductors should be sized to maintain a voltage drop of less than 3 % under load
-For use with cold water supply only

12. Troubleshooting

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WWW.STIEBEL-ELTRON-USA.COM
Mini 2-1
231045
1
V 115 - 125
1.8
kW
A 16
A 20
12
≥
GPM 0.21
≥
( l/min) (0.8)
°F (°C)
GAL (l)
PSI (bar)
PSI (bar)
lbs. (kg)
inch (mm)
inch (mm)
inch (mm)
™
2-1, 2.5-1, 3-1 ship with a 0.5 gpm pressure compensating fl ow reducer/aerator that should be installed.
Symptom
No hot water
despite fully
opened hot
water faucet.
Mini 2.5-1 Mini 3-1
232098 220816
1 1
115 - 125 115 - 125
2.4 3.0
21 25
30 30
10 10
0.40 0.40
(1.5) (1.5)
Possible cause
No electrical power.
The activation fl ow rate needed to
turn on the heating element has not
been reached.
Safety cut out tripped
MINI™ SERIES TANKLESS ELECTRIC WATER HEATERS |
Mini 3.5-1 Mini 4-2
232099 222039
1 1
115 - 125 208 240
3.5 3.5
2.9
31 13.8 15.2
40 20 20
10 12 12
0.40 0.40
(1.5) (1.5)
for 3/8˝ O.D. flex connector
Nichrome bare-wire
Solution
Check the circuit breaker and
check voltage at the wiring block.
Clean fi lter screen.
– turn circuit breakers off
– open Hot Valve to release pres-
sure from the unit
– reset saftey pressure cut out
– turn circuit breakers on
Mini 6-2
220817
1
208 240
5.7
4.7
22.4 24.7
30 30
10 10
0.77
(2.9)
41-77 (5-25)
0.026 (0.1)
150 (10)
300 (20)
3.44 (1.56)
1 /
6 (165)
2
1
/
3 (82)
4
1
/
7 (190)
2
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