Instruction/ maintenance manual of the product Q682 Honeywell
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Heating or Cooling Thermostat and W allplate or Heating/Cooling Thermostat and Subbase T8190A/191 108AJ, Q682 D.F. Rev. 9-94 ©Honeywell Inc. 1994 Form Number 69-0643—1 M3375.
2 69-0643—1 M3375 Recyc ling 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.
3 69-0643—1 Ta b le of Contents Page Features of Your Thermostat .................................................................................................... ........ 4 Setting the Temperature ................................................
4 69-0643—1 Features Of Your Thermostat 1 FLIP-UP COVER. Lift it up to set clock for energy saving and normal temperature periods. 2 THERMOSTAT COVER. Lift up and remove to adjust heat anticipator. 3 THERMOMETER. Provides accurate room temperature reading.
5 69-0643—1 8 PROGRAM INDEX WHEEL. Controls high and low temperature at specific time of day as set by program pins. 9 PROGRAM PINS. Must be inserted into 24- hour timer dial slots to control program index wheel. 10 PIN SLOTS. Located on 24-hour dial at 10- minute intervals for program pin insertion.
6 69-0643—1 15 WALLPLATE (Included with thermostat.) Provides mounting base and wiring connections for heating-only or cooling-only thermostat. 16 SUBBASE (Optional, not included with thermostat; ordered separately.) Provides mounting base, wiring connections and manual switching control for heating/cooling thermostat.
7 69-0643—1 Fig. 1—Setting high and low temperature setting levers. Setting the T emperature For Heating: ■ Set the left lever (blue mark) to the energy saving temperature you want when you are sleeping or your home is unoccupied. ■ Set the right lever (red mark) to the tempera- ture you want for normal comfort periods.
8 69-0643—1 Inser ting Timer Batteries Power is supplied to the timer by the 24 Vac transformer, by two AAA alkaline batteries (included), or by the heating or cooling control circuit. Backup batteries may be installed to supply power to the timer if power is interrupted when using a 24 Vac powering method.
9 69-0643—1 Setting the Timer ■ Lift thermostat flip-up cover and you’ll find the 24-hour program dial, slotted in 10-minute increments. Adjust the timer to the current time by carefully turning the knob clockwise .
10 69-0643—1 Pr ogramming You can program your thermostat to automati- cally lower and raise the temperature one or more times every 24 hours, depending on the number of program pins used. Before setting your program Notice the slots on the program dial (Fig.
11 69-0643—1 temperature (comfort period); a blue pin is inserted at 10:00 PM for low temperature (energy saving period). Two additional sets of pins are located in the program pin storage area. You can set up to six temperature changes with the pins supplied.
12 69-0643—1 To set the cooling program: ■ Decide when you want the temperature to reach the comfort level. Find the notch on the dial that is one-half hour before this time and insert a blue pin. The low temperature is in effect. The half-hour head start gives the air conditioner time to cool the house before you awaken or arrive home.
13 69-0643—1 Setting Subbase Switches (if applicab le) The subbase system switch controls system operation as follows: HEAT—Heating system is controlled by the thermostat. Cooling system is off. COOL—Cooling system is controlled by the thermostat.
14 69-0643—1 Tr oubleshooting Your Honeywell thermostat requires little or no attention. Most problems can generally be traced to the following. Problem Check Action No heat. — System switch may be in OFF Move system switch to HEAT position. or COOL position.
15 69-0643—1 Problem Check Action Energy saving — Program dial for proper day Turn timer ahead 12 hours. Turn temperature or night phase. knob clockwise only. program is 12 hours. Rooms do not — Timer program for heating Move red pin one-half hour earlier warm up at the system may need more time on the program dial.
16 69-0643—1 Troubleshooting (Continued) Problem Check Action Room — Thermostat circuits. Heating mode—Move temperature temperatures setting levers 5 ° F [3 ° C] above room are not correct temperature. Heating system should (continued). start.
17 69-0643—1 No cooling. — System switch may be in OFF Move switch to COOL position. or HEAT position. — Fuse or circuit breaker. If fuse is blown or breaker tripped, replace or reset. If fuse blows again, call the heating and air conditioning dealer.
18 69-0643—1 Problem Check Action Thermostat setting — Level position of thermostat. Reinstall thermostat wallplate or and thermometer subbase. Use a spirit level. reading disagree. — Area around thermostat for Thermostat should be about 5 ft drafts or radiant heat.
19 69-0643—1 Timer does not — Voltage across the two C Remove thermostat from the wallplate run (continued). terminals. or subbase and measure the voltage. Refer to Voltage at Timer Terminals table for cause and reaction. — Pins in program dial.
20 69-0643—1 Problem Check Action Timer loses time — Batteries may need Replace with two new AAA alkaline (continued). replacement. batteries as shown in Fig. 2. 1 Not applicable on model used in heating-only system. 2 Not applicable on model used in cooling-only system.
21 69-0643—1 Vo ltage At Timer Terminals AC Voltages at C-C Terminals Check Action 0 Vac. — System power off. — Restore power. — Short in timer power supply wiring. — Replace wiring. — Limit switch contacts stuck open. — Free or replace limit switch.
22 69-0643—1 Servicing the Thermostat Cycle Rate Adjustment The equipment should cycle on and off just enough to keep the room temperature close to the temperature lever settings.
23 69-0643—1 Thermometer Adjustment The thermometer was accurately calibrated at the factory and should only need adjustment if it has been dropped or mishandled. If the setpoint lever and the thermometer reading do not agree, follow the procedure below.
24 69-0643—1 If you have questions regarding the installation and programming of your Honeywell thermostat, please visit our web site at www.honeywell.
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27 69-0643—1 Limited One-Y ear W arranty Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer.
Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc. Honeywell Limited/Honeywell Limitée 1985 Douglas Drive No. 740 Ellesmere Road Golden Valley, MN 55422 Scarborough, Ontario M1P 2V9 Printed in U.S.A. www.
An important point after buying a device Honeywell Q682 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell Q682 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell Q682 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell Q682 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell Q682 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell Q682, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell Q682.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell Q682. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell Q682 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
