NOTICE
Use Copper Conductors Only!
Failure to use copper conductors could result in equipment damage as the equipment was not
designed or qualified to accept other types of conductors.
BAS-SVN040B-EN 13
Installation
To ensure proper operation of the controllers, install the power supply circuit in accordance with
the following guidelines:
• The panel must receive power from a dedicated power circuit. Failure to comply could cause
panel malfunctions.
• A disconnect switch for the dedic
ated power circuit must be
near the panel, within easy reach
of the operator, and marked as the disconnecting device for the panel.
• Do not run input or output wires in the same co
nduit or wire bundle with high voltage wire or
24 Vac wiring. Failure to comply could cause the controller to malfunction due to electrical
noise.
• Power wiring must comply
with the National Electrical Code™ (N
EC) and applicable electrical
codes.
• 120 Vac wiring requires three-wire service (Line, Neu
tral, Ground). Refer to Panel 10 for terminal
locations.
Note: The transformer voltage utilization range is 98–132 Vac (120 Vac nominal).
1. Lock open the supply-pow
er disconnect switch.
2. At the top-right c
orner of the enclosure, remove the knockout for
0.50 inch (13 mm) conduit.
3. Open or remove the enclosure door if it is already installe
d.
4. Inside of the enclosure at the top-right corner, remove
the line voltage area cover plate.
5. Feed the 120 Vac power wire into the enclosur
e.
6. Using Figure 8, p. 14, connect the line wire to the ‘L’ terminal.
7. Connect the ne
utral wire to the ‘N’ terminal.
8.
Connect the green ground wire to the chassis ground screw.
Note: Th
e ground wire should be continuous back to the circuit breaker panel.
WARNING
Hazardous Voltage!
Failure to follow instructions below could result in death or serious injury. Alwaysmake sure to
put the cover plate back in place before operating the controller.
9. Replace the cover plate.
10. On a field-supplied label, record the location of the circuit breaker panel and the electrical
circuit. Attach the label to the cover plate.
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