Honeywell 191108AC- Manual
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Table of Contents:
- Page 2 – Installation; WHEN INSTALLING THIS PRODUCT...; IMPORTANT: An incorrectly leveled subbase will cause; CAUTION; LOCATION; IMPORTANT: Save package of screws and instructions; Fig. 2—Mounting wallplate or subbase to wall.
- Page 3 – WIRE WALLPLATE OR SUBBASE; Fig. 4—Mounting wallplate or subbase on horizontal outlet box.
- Page 4 – Subbase; Control transformer power.; INSERT CLOCK BATTERIES
- Page 5 – SET CLOCK; Fig. 10—Current rating of primary control.
- Page 6 – SET TEMPERATURE CONTROL LEVERS; Checkout; HEATING/COOLING SYSTEM
- Page 7 – Calibration; THERMOMETER; THERMOSTAT; Typical Wiring Diagrams
1
69-0638—1
D.F. • Rev. 11-94 • • ©Honeywell Inc. 1994 • Form Number 69-0638—1
T8095A/191108AJ/Q682B
Heating, Cooling and Heating/Cooling
Thermostat, Wallplate, and Subbase;
TS8095A/191108AC Heating-Only
Thermostat and Wallplate
Installation Instructions for the Trained Service Technician.
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.
Preparation
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.
NOTE: Order Q682B Subbase separately.
Recycling Notice
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.
Type of Heating System
to be Controlled
Conditions/Compatibility
Electric (Line Voltage)—
typical baseboard and radiant
• The R8239D1015 Isolating Relay or R841 Silent Switching Center must be
installed in the thermostat control circuit.
a
Fan Coil Unit
• Compatible. Assure correct subbase identity is selected for fan control.
Gas—Direct Spark Ignition
(DSI), Intermittent Pilot (IP),
and Standing Pilot (SP)
• 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.
Heat Pump
• Compatible. Assure correct subbase identity is selected for fan control and
changeover control (O terminal for cool and B terminal for heat).
Hot Water Zone
• Honeywell 2-wire valves are compatible.
• Some non-Honeywell 2-wire valves require an R8239D1015 Isolating Relay in
the thermostat control circuit.
a
• Some 3-wire valves require an R8239A1052 Isolating Relay in the thermostat
control circuit.
a, b
Oil
• 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.
Vent Damper
• Honeywell damper motors are compatible.
• Some non-Honeywell damper motors require an R8239D1015 Isolating Relay in
the thermostat control circuit.
a
Check control amperage requirement.
Warm Air Zone
• Most are compatible.
TABLE 1—SYSTEM COMPATIBILITY.
M3375
M3375
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Summary
69-0638—1 2 Installation WHEN INSTALLING THIS PRODUCT… 1. Read these instructions carefully. Failure to follow them could cause a hazardous condition. 2. Installer must be a trained experienced service technician.3. After installation is complete, check out product op- eration as provided in these i...
3 69-0638—1 Fig. 3—Leveling methods for wallplate orsubbase. WIRE WALLPLATE OR SUBBASE Follow the instructions provided by the heating, cooling, or heating/cooling equipment manufacturer. If not avail-able, refer to the Typical Wiring Diagrams section at the endof this publication. Disconnect the po...
69-0638—1 4 Connect the wires to the corresponding terminals on the subbase (ordered separately). If labels do not agree with yournew subbase, refer to Table 2 and the installation instructionsfurnished with the subbase. NOTE: If wiring a dual transformer system, only the O or the B terminal may be ...
