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TB7100A1000 MULTIPRO™ MULTISPEED AND MULTIPURPOSE THERMOSTAT
62-0273—05 14
System Settings
Heat—Thermostat controls the heating system.
Off—Both heating and cooling systems are off. Fan is
turned off.
Cool—Thermostat controls the cooling system.
Auto—Thermostat automatically changes between heat
and cool operation, depending on indoor temperature.
Fan Settings
Auto —Fan runs only when heating/cooling system is on.
On—Fan runs continuously.
Table 5 shows default program settings. See Owner’s
Guide for complete instructions to change the program.
Table 5. Energy saving default schedule.
Minimum-Off Timer
(Compressor Protection)
The thermostat has an adjustable Minimum-Off Timer that
can be set from zero to five minutes (Factory Setting—five
minutes). The Minimum-Off Timer can be bypassed
through the Installer System Test or it can be bypassed
permanently by setting the Minimum-Off Timer to 0
minutes in the Installer Setup. The Minimum-Off Timer is
activated after the compressor turns off:
— If the thermostat is system powered (common wire),
the Minimum-Off Timer is also activated upon initial
startup and after power interruptions.
— If there is a call for cooling or heating during the
Minimum-Off Time, the thermostat displays “Wait.”
— When the Minimum Off Timer expires, “Cool On” or
“Heat On” (heat pumps only)” appears solidly in the
display and the compressor and fan turn on.
Indoor Temperature Sensor
Allow indoor temperature sensor to absorb the air for a
minimum of five minutes before taking a reading. See the
Sensor instructions for more information.
TROUBLESHOOTING (TABLE 6)
Schedule
Period Time
Setpoints
Fan
SettingHeat Cool
Occ1 8:00am 70°F
(21°C)
75°F
(25.5°C)
On
Unocc1 10:00pm 55°F
(10°C)
85°F
(24°C)
Auto
Occ2 1:00pm 70°F
(21°C)
75°F
(25.5°C)
On
Unocc2 12:00pm
(Noon)
55°F
(10°C)
85°F
(24°C)
Auto
Table 6. Troubleshooting.
Symptom Possible Cause Action
Display does not come
on.
Thermostat is not being powered. Check for 24 Vac between C and RC.
Check that AA batteries are installed correctly and
are good.
Temperature settings do
not change.
The upper or lower temperature limits
were reached.
Check temperature setpoints.
Check Installer Setup Numbers 0600 and 0610;
modify as needed.
The keypad is fully locked. Check Installer Setup Number 0670 to change
keypad locked options.
Heating or cooling does
not come on.
Thermostat minimum off-time is
activated.
Wait up to five minutes for the system to respond.
System selection not set to Heat or
Cool.
Set system Selection to correct position.
System type Selection is incorrect. Check Installer Setup Number 0170 and make sure
correct System type is chosen.
Thermostat is calling for
Heat (Heat on) or Cool
(Cool on) but no heating
or cooling is running.
Heating or cooling equipment is not
operating.
Check wiring.
Check Installer Setup Number 0170 and make sure
correct system type is chosen.
Verify operation of equipment in System Test mode.
Heat does not turn on
(Heat On is solid in the
display).
Heating equipment failure. Check for 24 Vac at the equipment on the secondary
side of the transformer between power and common.
If voltage is not present, check the heating equipment
to find the cause of the problem.
Check for 24 Vac between the heat terminal (W) and
transformer common. If 24 Vac is present, the
thermostat is functional. Check the heating
equipment to find the cause of the problem.
Loose or broken wire connection
between thermostat and heating
equipment.
Check for 24 Vac between the heat terminal (W) and
transformer common. If voltage is not present, check
wire connection (loose or broken) between the
thermostat and the heating equipment.