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Honeywell 191108AC Installation Instructions Manual

Heating, cooling and heating/cooling thermostat, wallplate, and subbase
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Heating, Cooling and Heating/Cooling
Thermostat, Wallplate, and Subbase;
TS8095A/191108AC Heating-Only
Check thermostat and subbase (if used) suitability for the
heating, cooling, or heating/cooling system. Refer to Table 1.
Assemble tools required: flat bladed screwdriver, hand or
power drill with 3/16-in. drill bit, wire cutter/stripper or
sharp knife, bubble level or plumb bob and line.
Assure power is off to the heating, cooling, or heating/
cooling system at the main fuse panel. Most buildings have
a separate switch box or circuit breaker for disconnecting
power to the heating and cooling (if applicable) equipment.
This thermostat is compatible with most heating, cooling
or heating/cooling systems. Refer to Table 1 for thermostat
and system compatibility information.
Type of Heating System
to be Controlled
Electric (Line Voltage)—
typical baseboard and radiant
Fan Coil Unit
Gas—Direct Spark Ignition
(DSI), Intermittent Pilot (IP),
and Standing Pilot (SP)
Heat Pump
Hot Water Zone
Oil
Vent Damper
Warm Air Zone
a
If thermostat is not compatible with the system being controlled, the system will not operate. No hazard exists. The thermo-
stat will not be damaged unless it is used to directly control a line voltage system. For proper system operation, a Honeywell
R841 or R8239D1015 Isolating Relay must be added to the thermostat control circuit.
b
Consult manufacturer for installation requirements.
T8095A/191108AJ/Q682B
Thermostat and Wallplate
Installation Instructions for the Trained Service Technician.
Preparation
TABLE 1—SYSTEM COMPATIBILITY.
• The R8239D1015 Isolating Relay or R841 Silent Switching Center must be
installed in the thermostat control circuit.
• Compatible. Assure correct subbase identity is selected for fan control.
• Compatible. If not using battery backup, assure that 24V control transformer
common is accessible for connection to thermostat cable conductor and power to
the transformer is not regularly interrupted by high temperature or limit operation.
• Compatible. Assure correct subbase identity is selected for fan control and
changeover control (O terminal for cool and B terminal for heat).
• Honeywell 2-wire valves are compatible.
• Some non-Honeywell 2-wire valves require an R8239D1015 Isolating Relay in
the thermostat control circuit.
• Some 3-wire valves require an R8239A1052 Isolating Relay in the thermostat
a, b
control circuit.
• If not using battery backup, assure that the 24V control transformer common is
accessible for connection to thermostat cable conductor and power to transformer
is not regularly interrupted by high temperature, purge cycle, or limit operation.
• Honeywell damper motors are compatible.
• Some non-Honeywell damper motors require an R8239D1015 Isolating Relay in
the thermostat control circuit.
• Most are compatible.
D.F. • Rev. 11-94 •
NOTE: Order Q682B Subbase separately.
This control contains mercury in a sealed tube. Do not
place control in the trash at the end of its useful life.
If this control is replacing a control that contains mercury
in a sealed tube, do not place your old control in the trash.
Contact your local waste management authority for in-
structions regarding recycling and the proper disposal of this
control, or of an old control containing mercury in a sealed
tube.
If you have questions, call Honeywell Inc. at 1-800-
468-1502.
Conditions/Compatibility
a
a
a
Check control amperage requirement.
1
• ©Honeywell Inc. 1994 • Form Number 69-0638—1
M3375
Recycling Notice
M3375
69-0638—1

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  Summary of Contents for Honeywell 191108AC

  • Page 1 If thermostat is not compatible with the system being controlled, the system will not operate. No hazard exists. The thermo- stat will not be damaged unless it is used to directly control a line voltage system. For proper system operation, a Honeywell R841 or R8239D1015 Isolating Relay must be added to the thermostat control circuit.
  • Page 2: Installation

    4. Do not short across coil terminals on relay. This can burn out the thermostat heat anticipator. LOCATION Locate thermostat about 5 ft [1.5m] above the floor in an area with good air circulation at average temperature. Do not mount the thermostat where it may be affected by: —...
  • Page 3: Wire Wallplate Or Subbase

    This thermostat clock can be powered by a 24-Vac trans- Refer to Fig. 5 and strip the thermostat wire insulation as For heating-only systems, connect wires to R, W, and C Push excess wire back into the wall.
  • Page 4: Mount The Thermostat

    Heat pump contactor; P terminal on some models only. MOUNT THE THERMOSTAT Note the tabs on the top inside edge of the thermostat base. These tabs fit the slots molded into the top of the wall- plate or subbase. 69-0638—1 Hang the thermostat base on the wallplate or subbase.
  • Page 5: Set Clock

    Let the system operate for one minute. Adjust the heat anticipator lever to match the number that Make sure the packing inserts in the thermostat base are Place the two tabs on the upper edge of the cover into the Swing the cover downward until it catches at the bottom Fig.
  • Page 6: Heating/Cooling System

    SET TEMPERATURE CONTROL LEVERS The two levers on top of the thermostat control the low and high temperatures for energy savings and comfort con- trol (Fig. 12). The lever on the left (blue mark) controls the lower temperature. The lever on the right (red mark) controls the higher temperature.
  • Page 7: Typical Wiring Diagrams

    1. Remove the thermostat cover by pulling up from the bottom of cover until it clears the mounting slots. 2. Set the thermostat cover on a table near an accurate thermometer. 3. Allow five minutes for cover thermometer to sense area temperature;...
  • Page 8 (HOT) POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. BATTERY BACKUP MAY BE USED IF POWER TO CLOCK IS INTERRUPTED. Fig. 17—Internal schematic and typical hookup for TS8095A Thermostat/191108AC Wallplate in heating- only system. CLOCK THERMOSTAT WALLPLATE (HOT) POWER SUPPLY.

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T8095aTs8095a191108ajQ682b