Armstrong Air BCS2 Series Panduan Petunjuk Instalasi - Halaman 9
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5.
Connect ground wire to ground terminal marked "GND."
6.
Replace the air handler access panel.
208-Volt Conversion
1.
Disconnect all power supplies.
2.
Remove the air handler access panel.
3.
Move the 2 connected black transformer leads from the
240-volt terminal on the transformer to the 208-volt
terminal on the transformer. See "Wiring Diagram –
Electric Heat and Blower."
9
Make Electrical Connections – Models With
Factory-Installed Electric Heat
1.
Determine the number of circuits needed to supply the
heater with electrical power (1, 2, or 3 circuits). See the
air handler Accessory Kit label for number of circuits
and ratings.
2.
Disconnect all power supplies.
3.
Knock out the correct number of knockouts (1, 2, or 3),
and install UL listed wires and fittings.
4.
Connect appropriate size wire to the circuit breaker
terminals. If circuit breakers are not provided, a terminal
block is provided.
5.
Connect green ground wire(s) (1, 2, or 3) to ground
terminal(s) (1, 2, or 3) marked "GND."
Connect to Circuit Breaker
NOTE: There are 2 ground terminals marked "GND" shown here.
There may be 1, 2 or 3 ground terminals depending on the
number of circuit breakers.
6.
Install conduit-opening plugs in any unused openings.
7.
If circuit breakers or pull disconnects are used, the front
panel knockouts will need to be removed.
8.
Reinstall the air handler blower access panel.
9.
Reconnect power.
10. Dispose of/recycle all remaining parts.