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WWW.STIEBEL-ELTRON-USA.COM MINI™ SERIES TANKLESS ELECTRIC WATER HEATERS | 11
TECHNICAL DATA
11. Technical data
Model MINI
™
2
*
MINI
™
2.5 MINI
™
3MINI
™
3.5 MINI
™
4MINI
™
6
Item number 231045 232098 220816 232099 222039 220817
Phase 1 1 1 1 1 1
Voltage V 115 - 125 115 - 125 115 - 125 115 - 125 208 240 208 240
Wattage kW 1.8 2.4 3.0 3.5 3.2 3.5 4.7 5.7
Max. amp, load A 16 21 25 31 13.8 15.2 22.4 24.7
Min. required
circuit breaker size
A 20 30 30 40 20 20 30 30
Required wire size AWG
COPPER
12 10 10 10 12 12 10 10
Min. water flow to
activate unit
≥ GPM
(
≥ l/min)
0.21
(0.8)
0.40
(1.5)
0.40
(1.5)
0.40
(1.5)
0.40
(1.5)
0.77
(2.9)
Recommended
inlet temp. range
°F (°C) 41-77 (5-25)
Nominal water
volume
GAL (l) 0.026 (0.1)
Working pressure,
max.
PSI (bar) 150 (10)
Tested to pressure PSI (bar) 300 (20)
Weight lbs. (kg) 3.44 (1.56)
Dimensions
Height
Depth
Width
inch (mm)
inch (mm)
inch (mm)
6
1
/
2
(165)
3
1
/
4
(82)
7
1
/
2
(190)
Water connections for 3/8“ O.D. flex connector
Heating System Nichrome bare-wire
* Note: Mini™ 2 is internally restricted to 0.32 GPM
– Tankless water heaters are considered a non-continuous load
– Conductors should be sized to maintain a voltage drop of less than 3 % under load
12. Troubleshooting
E
Symptom Possible cause Solution
No hot water
despite fully
opened hot
water faucet.
No electrical power. Check the circuit breaker and
check voltage at the wiring
block.
The activation fl ow rate needed to
turn on the heating element has not
been reached.
Clean fi lter screen.
Safety cut out tripped – turn circuit breakers off
– open Hot Valve to release
pressure from the unit
– reset saftey pressure cut out
E
– turn circuit breakers on
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