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T8190A/191108AJ Heating or Cooling
Thermostat/Wallplate; T8190A/Q682B
Heating/Cooling Thermostat/Subbase
Installation Instructions for the Trained Service Technician.
NOTE: Order Q682B Subbase separately.
Preparation
Check thermostat and subbase (if used) suitability for the
heating, cooling, or heating/cooling system. Refer to Table 1. Recycling Notice
M3375
Assemble tools required: flat-bladed screwdriver, hand
or power drill with 3/16-in. drill bit, wire cutter/stripper or
This control contai
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6 7 8 9 10 11 12 Remove and discard the shipping wrap. Installation IMPORTANT: Save package of screws and instructions WHEN INSTALLING THIS PRODUCT… for the homeowner. 1. Read these instructions carefully. Failure to follow them could cause a hazardous condition. Remove the thermostat cover by lifting from the bottom. 2. Installer must be a trained experienced service technician. Set aside cover until needed later. 3. After installation is complete, check out product op- Carefully remove the mat
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Outlet Box Mounting (Fig. 4) Fig. 3—Leveling methods for wallplate or Use a horizontally mounted outlet box if possible. If a subbase. vertical outlet box is used, mount the wallplate or subbase on a 193121A (beige) Cover Plate Assembly (ordered sepa- rately). Follow the instructions provided with the cover plate assembly. SPIRIT LEVEL Align the wallplate or subbase mounting holes on the outlet box and loosely fasten with two screws. Carefully level the wallplate or subbase (Fig. 3), and PLUMB f
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6 7 8 9 10 11 12 Push excess wire back into the wall. Plug the hole in wall with nonhardening caulk, putty, or Plug the hole in the wall with nonhardening caulk, putty, nonflammable insulation to prevent drafts from affecting or nonflammable insulation to prevent drafts from affecting the thermostat operation. thermostat operation. Subbase (Heating/Cooling Systems) Fig. 5—Methods of connecting terminals. Refer to Fig. 5 and strip the thermostat wire insulation as FOR STRAIGHT necessary. CONNECTI
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0.2 AMP 30 VAC T T F F Fig. 7—Insert timer batteries. Fig. 8—Set timer. BATTERY LOCATION FOR PROGRAM DIAL (2) AAA BATTERIES; INSTALL WITH POSITIVE ENDS UP PROGRAM PIN (6) TIMER SETTING KNOB TIME INDICATOR ARROW M8585 M821A SET TIMER Adjust the timer by moving the knob clockwise . Do not reverse the knob. Let the system operate for one minute. When time is correctly set, the time indicator arrow Adjust the heat anticipator lever to match the number that (triangle shape) points to the
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50 60 70 80 ATTACH THERMOSTAT COVER To switch positions, use thumb or index finger to slide Make sure the packing inserts in the thermostat base are lever to the desired position. Switch lever must stop in detent removed. over the desired function indicator mark for proper circuit Place the two tabs on the upper edge of the cover into the operation. mounting slots in the thermostat base (Fig. 11). Swing the cover downward until it catches at the bottom Checkout of the base. CAUTION Fig. 11—Attac
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NOTE: To avoid compressor damage, do not operate the system when outdoor temperature is below 50° F [10° C]. Fig. 13—Thermometer calibration. Refer to manufacturer recommendations. Move both temperature setting levers together at least 5° F [3° C] above the room temperature. The cooling equipment should shut off. Place the fan switch to ON. The fan should run continu- ously with the system switch in any position. Place the system switch to OFF. Move both temperature setting levers to various pos
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Typical Wiring Diagrams Fig. 17—Typical hookup for timer powered by system transformer. Timer powered by battery when system is not powered (e.g., power to system is off or interrupted). Fig. 15—Typical hookup for timer powered by separate 24-Vac transformer. TIMER TIMER 2 BATTERY THERMOSTAT BATTERY THERMOSTAT SUBBASE C R C W SUBBASE C C R W HEAT L1 RELAY (HOT) 1 L1 L2 (HOT) 1 L2 HEAT 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS L1 RELAY AND OVERLOAD PROTECTION AS REQUIRED. (HOT) 1 M824A L2 POW
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Fig. 19—Typical hookup for timer powered through control system. Timer powered by battery when heating or cooling equipment is on; timer takes power from system when cooling equipment is off. THERMOSTAT TIMER BATTERY 3 C C RH RC WY 2 SUBBASE HEAT L1 RELAY (HOT) 1 L2 COMPRESSOR L1 CONTACTOR (HOT) 1 L2 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 JUMPER RH-RC TERMINALS WHEN ONE TRANSFORMER POWERS BOTH HEATING AND COOLING. 3 FOR POWER STEALING ON COOLING, JUM
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69-0642—1 10
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11 69-0642—1
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Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, MN 55422 Scarborough, Ontario M1P 2V9 QUALITY IS KEY 69-0642—1 12 Printed in Mexico
