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T8535L MICROELECTRONIC COMMUNICATING NONPROGRAMMABLE THERMOSTAT
THERMOSTAT SUBBASE
D
C
R
ELECTRONIC
3
FAN TIMER
TRANSFORMER PRIMARY. PROVIDE DISCONNECT
1
MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
TRANSFORMER SECONDARY.
MAXIMUM WIRE LENGTH BETWEEN FARTHEST
3
DEVICES IS 300 FT (91M).
Fig. 3. T8535 typical hookup.
FOR WRAPAROUND
INSERTION STRIP
7/16 IN. (11 MM).
Fig. 4. Proper wiring technique.
Mounting Thermostat
1. Engage tabs at the top of the thermostat and
wallplate. See Fig. 5.
2. Press lower edge of case to close and latch.
A.
ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE.
B.
PRESS LOWER EDGE OF CASE TO LATCH.
Fig. 5. Mounting thermostat on wallplate.
2
1
L1
L2
M13325A
FOR STRAIGHT INSERTION
STRIP 5/16 IN. (8 MM).
M4826
M6798A
NOTE: To remove the thermostat from the wall, first pull
out at the bottom of the thermostat; remove top
last.
Using Thermostat Keys
The thermostat keys are used to:
• set temperature,
• display present setting,
• configure Installer Setup,
• perform System Test,
• set the system operation,
• set the fan operation.
See Fig. 6 for key information.
Fig. 6. Thermostat key locations and descriptions.
SETTINGS
System and Fan Settings
System settings control the thermostat operation as
follows:
Heat: The thermostat controls the heating.
Off: Both the heating and cooling are off.
Cool: The thermostat controls the cooling.
NOTE: Auto setting not available in wired zoning
applications.
Auto: The thermostat automatically changes between
heating and cooling operation, depending on the
indoor temperature.
Fan settings control the system fan as follows:
On: Fan operates continuously.
Auto: Equipment controls fan.
The system default setting is Off and the fan default setting
is Auto. Use the keyboard to change to the desired
settings. See Fig. 7.
3
INCREASE
TEMPERATURE
SETTING
DECREASE
i
TEMPERATURE
SETTING
DISPLAY PRESENT
SETTINGS AND SCROLL
THROUGH INSTALLER
SETUP (INFORMATION KEY)
69-1307—1
M6801A
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