T8635L MICROELECTRONIC COMMUNICATING PROGRAMMABLE THERMOSTAT
69-1331—5 4
Fig. 7. T8635L/W8703A/W8635A with Outdoor Temperature Sensor.
IMPORTANT
Connect outdoor sensor to only one thermo-
stat and configure that thermostat Installer
Setup No. 45 to 1. See Table 6. Connecting
more than one outdoor sensor or configuring
more than one thermostat for outdoor sensor
causes the thermostat to incorrectly display
the outdoor temperature.
L1
(HOT)
L2
SYSTEM
RANSFORMER
COOL 1
RELAY
HEAT 2
RELAY
FAN
RELAY
OT
OT
2
1
3
FACTORY
INSTALLER
JUMPERS.
M13430
C7089B
OUTDOOR
TEMPERATURE
SENSOR
T8635L
HEAT 1
RELAY
W8635A
C
R
R
H
R
C
1
2
3
Y2
W2
Y1
G
W1
COOL 2
RELAY
W8703A
L1
(HOT
L2
EXTERNAL
40 VA
TRANSFORME
OT
OT
2
1
3
OT
OT
2
1
3
ZONE AZONE B
ZONE C
CLOSE
OPEN
OPEN
CLOSE
OPEN
CLOSE
COM
TR1
TR2
2
3
1
546Z
213
X
MODEL AOBD
ZONE DAMPER
Power-closed/
Spring-open
(Model ZD)
Power-closed/
Spring-open
(Model ARD)