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Model
Mini™ 3 Mini™ 4 Mini™ 6
Phase 1 1 1
Voltage V
110-120 208 220-240 208 220-240
Wattage kW
3.0 2.6 3.5 4.3 5.7
Amperage A
25 12.6 15.2 20 24.7
Min. required circuit breaker size A
30 20 20 30 30
Recommended wire size AWG copper
10 12 12 10 10
Recommended inlet temperature ºF / ºC
41-77 / 5-25
Min. water flow to activate unit GPM / Lmin
0.5 / 2.0 0.5 / 2.0 0.85 / 3.2
Nominal water volume Gal / L
0.1 / 0.026
Working pressure PSI / bar
150 / 10
Tested to pressure PSI / bar
300 / 20
Weight lbs / Kg
3.44 / 1.56
Dimensions height in / cm
6.5 / 16.5
width in / cm
7.5 / 19.0
depth in / cm
3.25 / 8.2
Water connections for 3/8" O.D. flex connector
Heating system bare wire
Technical Data
- Tankless water heaters are considered a non-continuous load
- Conductors should be sized to maintain a voltage drop of less then 3% under load
Symptom Possible cause Solution
No hot water despite fully opened hot
water faucet. With audible "click" from unit
when you turn the hot water on or off.
No electrical power. Check the circuit breaker, check for correct
voltage at the units wiring block.
No hot water and no "click". The turn on flow rate needed to switch on
the heating element has not been reached.
Clean the faucet aerator and inlet filter
screen.
Troubleshooting
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