Honeywell Q682A- User Manual
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Table of Contents:
- Page 2 – Installation; WHEN INSTALLING THIS PRODUCT...; IMPORTANT: An incorrectly leveled subbase will cause; CAUTION; Disconnect power supply to prevent electri-; LOCATION; IMPORTANT: Save package of screws and instructions
- Page 3 – WIRE SUBBASE
- Page 5 – HEATING/COOLING SYSTEM; If thermostat fails any test, refer to the Troubleshooting; TYPICAL WIRING DIAGRAMS
- Page 6 – Automation and Control Solutions
1
69-0637—2
D. F. • Rev. 12-94 • ©Honeywell Inc. 1994 • • Form Number 69-0637—2
Y8196A (T8196A Thermostat/
Q682A Subbase) Heating/Cooling New
Construction Thermostat/Subbase
Package—Installation Instructions
Preparation
Check thermostat and subbase suitability for the heat-
ing, 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 virtually all heating,
cooling or heating/cooling systems. Refer to Table 1 for
additional thermostat compatibility information.
TABLE 1—THERMOSTAT AND SYSTEM COMPATIBILITY.
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
Gas—Direct Spark Ignition (DSI), Intermittent
Pilot (IP), and Standing Pilot (SP)
• Compatible.
Heat Pump
• Compatible. Assure correct subbase identity is selected for fan
control and changeover control (O terminal for cool and B
terminal for heat). Jumper Y to W for heat pump compressor
control.
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
• Compatible.
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.
a
If thermostat is not compatible with the system being controlled, the system will not operate. No hazard exists. The thermostat
will not be damaged unless it is used to directly control a line voltage system. A Honeywell R841 or R8239D1015 Isolating
Relay must be added to the thermostat control circuit for proper system operation.
b
Consult manufacturer for installation requirements.
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 mer-
cury in a sealed tube, do not place your old control in the
trash.
Contact your local waste management authority for
instructions regarding recycling and the proper disposal of
this control, or of an old control containing mercury in a
sealed tube.
M3375
M3375
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Summary
69-0637—2 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 techni- cian. 3. After installation is complete, check out product op- eration as provided in thes...
3 69-0637—2 Outlet Box Mounting (Fig. 4) Use a horizontally mounted outlet box if possible. If a vertical outlet box is used, the subbase must be mounted ona 202689A Cover Plate Assembly (ordered separately).Follow the instructions provided with the cover plate as-sembly. Align the subbase mounting ...
5 69-0637—2 Fig. 10—Temperature control levers. HEATING/COOLING SYSTEM Turn on power to the furnace and cooling system.Place the system switch lever to HEAT and fan switch lever to AUTO. Push both temperature setting levers together at least 5 ° F (3 ° C) above room temperature. The main burner shou...
