Honeywell RTH8580ZW User Manual page 8

Installing your thermostat
Wiring (conventional system)
7A Wire the thermostat to your conventional system.
a Starting with the C Wire, match the sticky tag on the
wire to the terminal labels.
You must have a C wire. See page 5.
b Loosen screw, insert wire on inside edge of
terminal, then tighten screw.
c Verify wire is firmly secured by gently pulling
on wire.
d Repeat steps a–c for all other wires.
e Push any excess wire back into the wall
opening after all wires are installed.
f Continue to page 9.
Labels don't match?
wiring key on page 7.
Wiring (heat pump system only)
7B Wire thermostat to your heat pump.
a Starting with the C Wire, match the sticky
tag on the wire to the terminal labels.
You must have a C wire. See page 5.
b Loosen screw, insert wire on inside edge of
terminal, then tighten screw.
c Verify wire is firmly secured by gently pulling on
wire.
d Repeat steps a–c for all other wires.
e Push any excess wire back into the wall
opening after all wires are installed.
f Continue to page 9.
33-00131ES—01
See alternate
6
Remove metal jumper
only
R and RC wires
CONVENTIONAL
Y2
Y2
L
E
AUX W2
K K
Note:
The wiring for your
application might be different
than the wiring from above.
Labels don't match?
wiring key on page 8.
HEAT PUMP
Y2
Y2
L
E
W2
AUX
K
K
Note: The wiring for your
application might be different
than the wiring from above.
if you have both
HEAT PUMP
RC RC
R R
O/B
W
Y Y
G G
C C
MCR35007
See alternate
RC
RC
R R
O/B
Y
G
C
C
MCR35008