Honeywell CT70 Owner's Manual - Page 14
B.d.p. Bryant-day/night-payne
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B.D.P. (BRYANT-DAY/NIGHT-PAYNE) Wiring terminal function COMMON POWER COMPRESSOR 1ST STG. HEAT AUX. HEAT FAN C/O VALVE HEAT C/O VALVE COOL SYSTEM MONITOR EM. HEAT MULTIPLE AUX. HEAT LOADS 3 DEFROST Existing thermostat wiring C1 or X1 or C 1 R W1 or Y W2 G B Y1 or O L or F X or E W3 P New thermostat wiring 1 X R Y1 2 W1 W2 G B 3 O L E P ! This terminal must be connected to transformer common. # Leave factory-installed jumper in place. $ Connect multiple second stage heating loads to W2 terminals. 14
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14
B.D.P. (BRYANT-DAY/NIGHT-PAYNE)
!
This terminal must be connected to transformer common.
#
Leave factory-installed jumper in place.
$
Connect multiple second stage heating loads to W2 terminals.
Wiring
terminal
function
Existing
thermostat
wiring
New
thermostat
wiring
COMMON
POWER
COMPRESSOR
1
ST
STG.
HEAT
AUX. HEAT
FAN
C/O VALVE
HEAT
C/O VALVE
COOL
SYSTEM
MONITOR
EM. HEAT
MULTIPLE AUX.
HEAT LOADS
DEFROST
R
R
Y
Y1
W1
W2
W2
G
G
O
O
F
L
E
E
B
B
W3
P
P
2
3
C
1
X
or
W1
Y1
X
L
or
or
or
or
3
C1
X1
or
1