MYERS Illuminator Supernova Series, Installation Manual

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14
115895B System Installation Manual
Figure 5.1 AC Connections for 1.75 k W – 5.0 kW systems
The next step explains where to make the AC connections to the system.
INSTALLING AC INPUT WIRES:
11. Connect AC utility from the service
panel to the system’s terminal block labeled “INPUT”
.
For 2-wire input: connect hot wire to the input block marked
“Line”
, connect the common
wire to the input block marked
“Neutral”
and connect the ground wire to the Green/Yellow
terminal block marked
“Ground”
.
For 3-wire input: connect each hot wire to each of the input block positions marked
“Line”
,
connect the ground wire to the Green/Yellow terminal block marked
“Ground”
.
INSTALLING AC OUTPUT WIRES:
**IF EXTERNAL MAINTENANCE BYPASS IS REQUIRED, SEE DEVIATION DRAWING FOR
WIRING OF LOAD OUTPUT.
12. Connecting load wires without system distribution circuit breakers
– connect load wires to the
s
ystem’s terminal block labeled “OUTPUT”
. Connect hot wire(s) to the output block marked
“Nor. On”
, the common wire(s) to the output block marked
“Neutral”
and the ground wire(s)
to the Green/Yellow terminal block marked
“Ground”
. Emergency only load hot wires must
be connected to the optional circuit on the output terminal block labeled
“Nor. Off”
.
Connecting load wires with system distribution circuit breakers
– connect the hot wire from
each branch circuit to a circuit breaker, connect the common wire from each branch circuit to
the neutral connection bar and connect ground wire to the Green/Yellow terminal block at the
output for 1.5KW
– 5.0KW systems or the ground connection bar for 6.0KW – 16.7KW
systems.