Honeywell YRTH7500D1009 Quick Installation Guide - Page 23
About your new thermostat, Wiring-conventional system
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RTH7400/RTH7500 Series AWbiroiuntgy-oucronveewnttihoenraml osysstatetm Alternate wiring (conventional systems) If labels do not match terminals, connect wires as shown here (see notes, below). SETUP WIRING ASSISTANCE C C 3 G G Y Y W W RC Rc 2 R R 2 W2 W2 Y2 Y2 MCR32160 Remove metal jumper connecting R and Rc only if you must connect both R and Rc wires. If your old thermostat had both R and RH wires, remove metal jumper. Connect the R wire to the Rc terminal, and the RH wire to the R terminal. If your old thermostat had only 1 C or C1 wire, connect it to the C terminal. If your old thermostat had 2 C or C1 wires, wrap each separately with electrical tape and do not connect them. 21 69-2487ES-01 TROUBLESHOOTING
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RTH7400/RTH7500 Series
21
69-2487ES—01
About your new thermostat
SETUP
WIRING
ASSISTANCE
TROUBLESHOOTING
Remove metal jumper connecting
R
and
Rc
only
if you must connect both
R
and
Rc
wires.
If your old thermostat had both
R
and
RH
wires,
remove metal jumper. Connect the
R
wire to the
Rc
terminal, and the
RH
wire to the
R
terminal.
If your old thermostat had only 1
C
or
C1
wire, connect it to the
C
terminal. If your old
thermostat had 2
C
or
C1
wires, wrap each
separately with electrical tape and do not
connect them.
Wiring—conventional system
Alternate wiring (conventional systems)
If labels do not match terminals, connect wires as
shown here (see notes, below).
C
G
Y
W
RC
R
W2
Y2
Y2
W2
W
Y
G
MCR32160
R
2
Rc
2
C
3