12
Installing the water heater.
Factory Shipped Rating Potential Field
Conversion
Volts 208 208
Operation SIM NONSIM
Phase 1-PH 3-PH 1-PH & 3-PH
Rating 12100 12100 6050
AMP 58 50 29
OCPD 80 70 40
Wire 4 6 8
Factory Shipped Rating Potential Field
Conversion
Volts 480 480
Operation SIM NONSIM
Phase 1-PH 3-PH 1-PH & 3-PH
Rating 12100 12100 6050
AMP 25.2 22 12.6
OCPD 35 30 20
Wire 8 10 12
Factory Shipped Rating Potential Field Conversion
Volts 240 240 208 208
Operation SIM NONSIM SIM NONSIM
Phase 1-PH 3-PH 1-PH & 3-PH 1-PH 3-PH 1-PH & 3-PH
Rating 12100 12100 6050 9080 9080 4540
AMP 50 44 25 44 38 22
OCPD 70 60 35 60 50 30
Wire 6 6 8 6 8 10
Factory Shipped Rating Potential Field Conversion
Volts 277 277 240 240 208 208
Operation SIM NONSIM SIM NONSIM SIM NONSIM
Phase 1-PH 3-PH 1-PH & 3-PH 1-PH 3-PH 1-PH & 3-PH 1-PH 3-PH 1-PH & 3-PH
Rating 12100 12100 6050 9080 9080 4540 6820 6820 3410
AMP 44 38 22 38 33 19 33 29 16.5
OCPD 60 50 30 50 45 25 45 35 20
Wire 6 8 10 8 8 10 8 8 12
208 Volt Rated
Water Heaters
240 Volt Rated
Water Heaters
480 Volt Rated
Water Heaters
277 Volt Rated
Water Heaters
NOTICE: This guide recommends minimum branch circuit sizing and wire size based on National Electric Code. Refer to
wiring diagrams in this manual for field wiring connections.
Branch Circuit Sizing and Wire Size Guide, For MELD 75, 85, and 105 Models
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