TB8220 COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT
11
63-2625—3
Fig. 29. Wiring two T7770A1006 (20K ohm) Sensors and
one T7770A3002 (10K ohm) sensor to provide a
temperature averaging network
Fig. 30. Wiring four C7189U (10K ohm) Sensors to provide
a temperature averaging network.
SET CALENDAR AND TIME
This thermostat is designed to, under normal use,
automatically keep current time and day in memory for up to
ten years once the calendar is set. There are two ways to set
the calendar for this thermostat:
Setting Calendar Once Functioning
See steps 1 through 4, in the Advanced Settings section, to set
year, month and day.
Setting Calendar When First Powered
When first powered, the thermostat proceeds through a
sequence of screens to set the calendar.
— When first powered, the thermostat proceeds through a
sequence of screens to set the calendar. See Fig. 31.
Fig. 31. Setting calendar and time when thermostat is first powered.
M22934
T4
T3
T7770A3002
1
1
THE T7770A3002 IS A 10K OHM SENSOR.
S1
S2
T
T
SUBBASE
T7770A1006
T
T
T7770A1006
M22935
WIRES MUST HAVE A CABLE SEPARATE FROM
THE THERMOSTAT CABLE.
1
1
C7189
C7189
C7189
C7189
Y2
S2
W2
S1
DONE
MON
MON
TUE
WED
WED
THU
THU
FRI
FRI
S
SA
A
SUN
CHANGE FILTER UV LAMP HUMIDIFIER PAD
OK TO PICK MULTIPLE DAYS SCREEN LOCKED
DONE
MON
MON
WED
WED
THU
THU
FRI
FRI
S
SA
A
SUN
PM
CHANGE FILTER UV LAMP HUMIDIFIER PAD
OK TO PICK MULTIPLE DAYS SCREEN LOCKED
SET CURRENT DAY
SET MONTH
USE ARROWS TO SET YEAR AND TIME
M22761
