Watts Aerco INN 1060N - Page 5

Innovation Water Heaters – Edge [i] Controller
Electrical Power Design Guide
TAG-0092 • GF-5066 • 9/6/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 5 of
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Figure 5. 220, Single Phase Wiring Schematic
5 Multiple Unit Wiring
Whenever multiple units are installed within the same mechanical spaces, electrical code
requirements call for a single electrical shutoff for emergency use. It is the responsibility of the
electrical designer to comply with local codes and regulations affecting an individual installation.
TERMINAL BLOCK IN
POWER BOX
DISCONNECT SWITCH
SINGLE-POLE, 10 AMP
220 V 1 phase
1 POLE 10 AMP
CIRCUIT BREAKER
GND
L2/N
L1
220 VAC 1 PHASE
GND L2/N L1