Honeywell B/Q682 User manual

Heating/Cooling

Thermostat and Subbase or

Heating or Cooling Thermostat

and Wallplate

T8195A,B/Q682

OWNER’S MANUAL

69-0563-2

269-0563—2

Welcome to the world of energy savings with your new Honeywell thermostat. The Honeywell

name is your assurance of accurate control and reliable operation for years to come.

This thermostat meets California Title 24 requirements—mandatory installation of automatic

setback thermostats in new heating and cooling systems. During heating and cooling, this

thermostat will automatically lower and raise the temperature in your home one or more times

every 24 hours. This allows you to significantly lower your fuel costs, while awakening (or

returning home) to a comfortable temperature.

Read this manual to learn how to use your new thermostat.

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 instructions regarding recycling and the

proper disposal of this control, or an old control containing mercury in a sealed tube.

If you have questions, call Honeywell Inc. at 1-800-468-1502.

M3375

369-0563—2

Table Of Contents

PAGE

Features Of Your Thermostat........................................................................................................... 4

Setting The Temperature ................................................................................................................. 7

Setting Subbase Switches................................................................................................................ 8

Inserting Timer Backup Batteries ..................................................................................................... 9

Setting The Timer ........................................................................................................................... 10

Programming .................................................................................................................................. 11

Troubleshooting .............................................................................................................................. 14

Servicing The Thermostat .............................................................................................................. 21

Warranty ......................................................................................................................................... 23

469-0563—2

8PROGRAM INDEX WHEEL. Controls high

and low temperature at specific time of

day as set by program pins.

9PROGRAM PINS. Must be inserted into

24-hour timer dial slots to control program

index wheel.

3M8723

Features Of Your Thermostat

1FLIP-UP COVER. Lift it up to set timer for

energy savings and comfort temperature

periods.

2THERMOSTAT COVER. Lift up to adjust

timer.

3THERMOMETER. Provides accurate room

temperature reading.

4TEMPERATURE SETTING LEVERS. Left

(blue mark) controls the low temperature, right

(red mark) controls the high temperature.

5TIMER. This timer provides a 24-hour

slotted dial to hold the programming pins.

6TIMER SETTING KNOB. Turn clockwise

to match the correct a.m. or p.m. time to

the time indicator.

7TIME INDICATOR. Arrow head indicates

time for 24-hour dial.

569-0563—2

M8744

6911

10 87M8745

10 PIN SLOTS. Located on 24-hour dial at

10-minute intervals for program pin

insertion.

11 MERCURY BULB AND BIMETAL ELEMENT

(2). Provide automatic temperature control

by switching the heating or cooling system

on and off.

12 WALLPLATE. Provides mounting base

and wiring connections for heating or

cooling thermostat without system or fan

switching.

669-0563—2

13 Q682 SUBBASE. Provides mounting base,

wiring connections and manual switching

control for heating/cooling thermostat.

AUTO OFF COOL

HEATON

FAN

M1551

769-0563—2

Setting The Temperature

For Heating

Set the left lever (blue mark) to the energy

savings temperature you want when you are

sleeping or your home is unoccupied.

Set the right lever (red mark) to the tem-

perature you want for normal comfort periods.

NOTE: You may override the time program by

setting both the red and blue levers to the

same temperature setpoint.

For Cooling

Set the left lever (blue mark) to the tempera-

ture you want for normal comfort periods.

Set the right lever (red mark) to the energy

savings temperature you want when you are

sleeping or your home is unoccupied. Fig. 1—Setting high and low

temperature levers.

50 60 70 80

HIGH

TEMPERATURE

SETTING

LEVER

LOW TEMPERATURE

SETTING LEVER

M8586

869-0563—2

Setting Subbase Switches

(if applicable)

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. Heating system is Off.

OFF— Both the heating and cooling systems

are Off. If the fan switch is at the AUTO

position, the fan is also off.

ON—In a cooling only application, only cooling

operates. In a heating only application, only

heating operates.

The subbase fan switch controls fan

operation as follows:

ON—Fan operates continuously.

AUTO—Fan operates with cooling equipment

as contolled by the thermostat or with the

heating equipment as controlled by the

thermostat in heating and cooling.

To switch positions, use thumb or index

finger to slide lever to desired position. Switch

lever must stop in the detent over desired

function indicator mark for proper circuit

operation.

969-0563—2

Inserting Timer Batteries

(Optional)

Power is supplied to the timer by the 24 Vac

transformer. Two AAA alkaline backup batter-

ies (not included) may be installed to supply

power to the timer if power is interrupted due to

power failure. Install the batteries in the

thermostat as shown in Fig. 2. Once a year or

when batteries are dead, replace with two new

AAA alkaline batteries. We recommend

Energizer® batteries.

BATTERY LOCATION FOR

(2) AAA BATTERIES;

INSTALL WITH POSITIVE

ENDS UP

M8585

Fig. 2—Inserting timer backup batteries.

10 69-0563—2

Setting The Timer

Lift thermostat flip-up cover and you will find

the 24-hour program dial, slotted in 10-minute

increments. Adjust the timer to the current time

by carefully turning the knob clockwise Do

not

reverse the knob.

When time is correctly set, the Time

Indicator Arrow (See Fig. 3) will point to the

correct time and corresponding daytime (light)

or nighttime (dark) band of the program dial.

EXAMPLE: For 11 p.m., time indicator arrow will

point directly to dark band on dial. For 11 a.m.,

the arrow will point to light band on dial.

Daylight Savings Time

When Daylight Savings Time starts, carefully move the knob clockwise one hour. When

Daylight Savings Time ends, carefully move the knob clockwise 23 hours. Do

not

reverse

the knob or damage to the timer mechanism may occur.

Fig. 3—Setting the timer.

TIMER

SETTING

KNOB

TIME

INDICATOR

ARROW

M821A

PROGRAM DIAL

PROGRAM

PIN (6)

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