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20 | MINI
™
-E SERIES TANKLESS ELECTRIC WATER HEATERS WWW.STIEBEL-ELTRON-USA.COM
SPECIFICATION
15.4 Data table
Mini
™
-E 2-1 Mini
™
-E 2.5-1 Mini
™
-E 3-1 Mini
™
-E 3.5-1 Mini
™
-E 4-2 Mini
™
-E 6-2
236011 236135 236010 236136 236009 236008
Electrical data
Phase 1 - 50/60 Hz
Voltage
1
110–120 V 110–120 V 110–120 V 110–120 V 220–240 V 208 V 220–240 V 208 V
Wattage 1.8 kW 2.4 kW 3.0 kW 3.5 kW 3.5 kW 2.6 kW 5.7 kW 4.3 kW
Amperage draw 15 A 20 A 25 A 29 A 15 A 13 A 24 A 21 A
Min. recommended circuit breaker size
2
15 A 20 A 25 A 30 A 15 A 25 A
Min. recommended wire size
3
(copper) 14 AWG 12 AWG 10 AWG 10 AWG 14 AWG 10 AWG
Connections
Water connection ⅜˝ O.D. flex connector or ⅜˝ compression fitting
Application limits
Max. permissible pressure 150 psi (10 bar)
Max. inlet temperature for reheating 122 °F (50 °C)
Temperature & Flow Values
Max. permissible inlet temperature 140 °F (60 °C)
Temperature setting range, DHW 86–122 °F (30–50 °C)
Minimum water flow to activate unit 0.21 gpm (0.8 l/min) 0.3 gpm (1.15 l/min) 0.3 gpm (1.15 l/min) 0.3 gpm (1.15 l/min) 0.3 gpm (1.15 l/min) 0.47 gpm (1.8 l/min)
Pressure drop at activation flow rate 7.2 psi (0.5 bar) 7.2 psi (0.5 bar) 7.2 psi (0.5 bar) 7.2 psi (0.5 bar) 8.7 psi (0.6 bar) 10.2 psi (0.7 bar)
*
Mini-E 2-1 is internally restricted to 0.4 gpm (1.5 l/min).
1
Nominal mains voltage is 110–120 V and 220–240 V.
2
This is our recommendation for over-current protection sized at 100% of load. Check local codes for compliance if necessary. Tankless water heaters are considered a
non-continuous load.
3
AWG copper must be used. Conductors should be sized to maintain a voltage drop of less than 3% under load.
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