Filter
Top Products
2
Heating Systems
* If replacing a Honeywell TM-11,
tape off wire “R”; connect wire “B”
to terminal “RH.”
** If replacing a Honeywell thermostat
with a clock wire “C,” tape off wire “C”
Cooling Systems
* If both Y and C wire are
present, tape off “C” wire.
Heating/Cooling Systems
4- or 5-Wire with One Transformer
* If both Y and C wire are
present, tape off “C” wire.
Heating/Cooling Systems
5-or 6- Wire with Two Transformers
* If both Y and C wire are
present, tape off “C” wire.
FAN RELAY
COOLING COMPRESSOR
HEATING CONTROL
HEATING TRANSFORMER
COOL TRANSFORMER
GYWRHRC
G
5
4
RC
V
R*
H
W
F
RH
Tape Off **
C
Tape Off
TC
GYWRHRC
Y
C
G
F
RC
R
V
*
FAN RELAY
COOLING COMPRESSOR
HEATING CONTROL
HEATING TRANSFORMER
COOL TRANSFORMER
FAN RELAY
COOLING COMPRESSOR
HEATING CONTROL
HEATING TRANSFORMER
COOL TRANSFORMER
GYWRHRC
C
Y
G
F
W
V
R
RC
Tape Off
TC
*
FAN RELAY
COOLING COMPRESSOR
HEATING CONTROL
HEATING TRANSFORMER
COOL TRANSFORMER
GYWRHRC
Y
C
G
F
W
4
A
RH
Tape Off
TC
V
R
RC
*
WIRING DIAGRAMS