Wiring - American Standard ACONT600AF11MA Installation Instructions Manual

Wiring

CAUTION: ELECTRICAL HAZARD. Can cause electrical shock or equipment damage.
Disconnect power before wiring.
Keep wires in this
shaded area
Terminal
block
NOTES
R & Rc terminals
In single-transformer system, leave metal
jumper in place between R & Rc. Remove
metal jumper if two-transformer system.
B terminal
B is the common wire terminal.
W (O) terminal
If Comfort Control is configured for a heat
pump in the Installer Setup, changeover valve
is configured for cool ("O" factory setting).
Wire specifications
Use 18- to 22-gauge thermostat wire.
Shielded cable is not required.
Wiring
1 Loosen screw terminals, insert
wires into terminal block, then
re-tighten screws.
2 Push excess wire back into the
wall opening. Keep wires in shaded
area as shown at left.
3 Plug the wall opening with non-
flammable insulation to prevent
drafts from affecting Comfort
Control operation.
Terminal Designations
G Fan relay.
W O Heat relay or changeover valve
terminal for heat pumps.
B Common wire from secondary side
of cooling system transformer.
Y Compressor contactor.
R Heating power. Connect to
secondary side of heating
system transformer.
Rc Cooling power. Connect to
secondary side of cooling
system transformer.
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