Honeywell Y8196A Thermostat User Manual

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Y8196A (T8196AThermostat/  
Q682A Subbase) Heating/Cooling New  
Construction Thermostat/Subbase  
Package—Installation Instructions  
Assure power is off to the heating, cooling, or heating/  
Preparation  
cooling system at the main fuse panel. Most buildings have  
a separate switch box or circuit breaker for disconnecting  
Check thermostat and subbase suitability for the heat-  
power to the heating and cooling (if applicable) equipment.  
ing, cooling, or heating/cooling system. Refer to Table 1.  
This thermostat is compatible with virtually all heating,  
Assemble tools required: flat bladed screwdriver, hand  
cooling or heating/cooling systems. Refer to Table 1 for  
or power drill with 3/16-in. drill bit, wire cutter/stripper or  
additional thermostat compatibility information.  
sharp knife, bubble level or plumb bob and line.  
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  
a
Isolating Relay in the thermostat control circuit. 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  
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.  
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.  
D. F. • Rev. 12-94 •© Honeywell Inc. 1994 •  
• Form Number6 9-06372  
M3375  
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Installation  
Fig. 1—Unpack thermostat.  
CAPTIVE MOUNTING  
SCREWS  
WHEN INSTALLING THIS PRODUCT…  
. Read these instructions carefully. Failure to follow  
them could cause a hazardous condition.  
. Installer must be a trained experienced service techni-  
cian.  
THERMOSTAT  
COVER  
1
2
1
3. After installation is complete, check out product op-  
eration as provided in these instructions.  
IMPORTANT: An incorrectly leveled subbase will cause  
the temperature control to deviate from setpoint. It is  
not a calibration problem.  
35  
3
0
LIFT  
COVER  
25  
20  
1
0
THERMOSTAT BASE  
CAUTION  
REMOVE  
PACKING  
MATERIAL  
1
. Disconnect power supply to prevent electri-  
cal shock or equipment damage.  
M8673  
2
. To prevent interference with the thermostat  
linkage, keep wire length to a minimum and  
run wires as close as possible to the subbase.  
. Donotovertightenthermostatcaptivemount-  
ing screws because damage to subbase  
threads can result.  
. Do not short across coil terminals on relay.  
This can burn out the thermostat heat an-  
ticipator.  
MOUNT SUBBASE  
Wall Mounting (Fig. 2)  
Hold the subbase in position on wall (Fig. 2).  
Mark holes on the wall for anchors. Use spirit level to  
make sure the wallplate or subbase is level.  
Drill 3/16-in. holes, and gently tap anchors into holes  
until flush with the wall.  
3
4
Pull wires through the large wiring hole in the subbase.  
Loosely fasten the subbase to the wall with the three  
screws. Do not completely tighten the screws.  
Carefully level the subbase (Fig. 3), and firmly tighten  
the screws.  
LOCATION  
Locate thermostat about 5 ft (1.5m) above the floor in an  
area with good air circulation at average temperature. Do  
not mount the thermostat where it may be affected by—  
drafts, or dead spots behind doors and in corners.  
hot or cold air from ducts.  
radiant heat from the sun or appliances.  
concealed pipes and chimneys.  
unheated (uncooled) areas such as an outside wall  
behind the thermostat.  
Fig. 2—Mounting subbase to wall.  
Run wires from the heating, cooling, or heating/cooling  
equipment to the new thermostat location.  
3
SCREW HOLES  
WITH PLASTIC  
ANCHORS  
UNPACK THERMOSTAT  
Handle your new thermostat carefully; rough handling  
may interfere with its accuracy. Before unpacking, refer to  
Fig. 1.  
Remove and discard the shipping wrap.  
O
B
R
G
IMPORTANT: Save package of screws and instructions  
W
for the homeowner.  
Y
Remove the thermostat cover by lifting from the bottom.  
Set aside cover until needed later.  
Carefully remove the material protecting the mercury  
switch bulb.  
FAN  
ON  
AUTO  
HEAT  
OFF COOL  
HEATING/COOLING SUBBASE  
M1552A  
Loosen two captive mounting screws.  
6
9-0637—2  
2
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Outlet Box Mounting (Fig. 4)  
Fig. 3—Leveling methods for subbase.  
Use a horizontally mounted outlet box if possible. If a  
vertical outlet box is used, the subbase must be mounted on  
a 202689A Cover Plate Assembly (ordered separately).  
Follow the instructions provided with the cover plate as-  
sembly.  
SPIRIT LEVEL  
Align the subbase mounting holes on the outlet box and  
loosely fasten with the two screws.  
Carefully level the subbase (Fig. 3) and firmly tighten  
the screws.  
PLUMB  
LINE  
O
B
R
G
W
Y
PLUMB  
BOB OR  
WEIGHT  
FAN  
OFF COOL  
ON  
AUTO  
HEAT  
M1555  
Fig. 4—Mounting subbase on outlet box.  
VERTICAL  
OUTLET  
BOX  
1
EXISTING  
HORIZONTAL  
OUTLET BOX  
2
COVER  
PLATE  
ADAPTER  
RING  
2
O
B
R
W
HEATING/  
R
W
COOLING  
SUBBASE  
G
Y
G
Y
FAN  
OFF COOL  
ON  
AUTO  
HEAT  
SUBBASE OR  
WALLPLATE  
M1553A  
MOUNTING  
SCREWS (2)  
1
2
NOT INCLUDED WITH UNIT.  
M1554A  
ACCESSORY PARTS AVAILABLE.  
WIRE SUBBASE  
Connect the wires to corresponding terminals on the  
subbase.  
If labels do not agree with your new subbase, refer to  
Table 2 or Fig. 11.  
Follow the instructions provided by the heating, cool-  
ing, or heating/cooling equipment manufacturer. If not  
available, refer to the Typical Wiring Diagrams section at  
the end of this publication.  
Disconnect the power supply before making wiring con-  
nections to prevent electrical shock or equipment damage.  
TABLE 2—TERMINAL DESIGNATIONS.  
Subbase  
NOTE: All wiring must comply with local electrical codes  
and ordinances.  
Terminal  
Control Function  
Control transformer power.  
Heating control circuit.  
R
W
Y
Refer to Fig. 5 and strip thermostat wire insulation as  
necessary.  
Cooling control circuit (jumper to W for  
heat pump compressor control).  
Fig. 5—Methods of connecting terminals.  
G
O
Fan control circuit.  
FOR STRAIGHT  
CONNECTION—  
STRIP 5/16 in. [8 mm]  
Cooling damper or changeover/reversing  
valve, makes continuously in cool.  
B
Heating damper or changeover/reversing  
valve, makes continuously in heat.  
FOR WRAPAROUND  
BARRIER  
CONNECTION—  
STRIP 7/16 in. [11 mm]  
Push excess wire back into the wall.  
Plug the hole in the wall with nonhardening caulk, putty,  
or nonflammable insulation to prevent drafts from affect-  
ing thermostat operation.  
M1556B  
3
69-0637—2  
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MOUNT THE THERMOSTAT  
SET TIMER  
Adjust the timer by moving the knob clockwise  
Do NOT reverse the knob.  
When time is correctly set, the time indicator arrow  
(Fig. 8) must point to the corresponding daytime (light) or  
nighttime (dark) portion of the program dial.  
Note the tabs on the top inside edge of the thermostat  
base. These tabs fit the slots molded into the top of the  
subbase.  
.
Hang thermostat base on subbase.  
Insert the two captive mounting screws located in the  
bottom corners of the base (Fig. 6).  
Firmly tighten the screws.  
Fig. 8—Set timer.  
Fig. 6—Thermostat mounting.  
PROGRAM  
PINS (4)  
SEE OWNER'S  
MANUAL FOR  
DETAILS  
TAB (2)  
TIMER  
SETTING  
KNOB  
MOUNTING SLOT (2)  
TIME  
INDICATOR  
ARROW  
1
M5161  
35  
30  
25  
2
0
1
0
ATTACH THERMOSTAT COVER  
Make sure the packing inserts in the thermostat base are  
removed.  
Place the two tabs on the upper edge of the cover into the  
mounting slots in the thermostat base (Fig. 9).  
Swing the cover downward until it catches at the bottom  
of the base.  
THERMOSTAT  
BASE  
WALLPLATE  
OR SUBBASE  
CAPTIVE  
MOUNTING SCREWS  
M8674  
INSERT TIMER BATTERIES  
Power is supplied to the timer by two AAA alkaline  
batteries (not included).  
Fig. 9—Attach cover.  
Install the batteries in the thermostat (Fig. 7).  
Once a year or when batteries are dead, replace with two  
®
new AAA alkaline batteries. We recommend Energizer  
batteries.  
50  
60  
70  
80  
Fig. 7—Insert timer batteries.  
BATTERY LOCATION FOR  
(2) AAA BATTERIES;  
INSTALL WITH POSITIVE  
ENDS UP  
M8604  
SET TEMPERATURE CONTROL LEVERS  
The two levers on top of thermostat control the low and  
high temperatures for energy savings and comfort control  
(
Fig. 10). The lever on the left (blue mark) controls the  
lower temperature. The lever on the right (red mark) con-  
trols the higher temperature.  
We recommend pushing the levers together at an appro-  
priate temperature for either heat or cool until the occupant  
programs the thermostat and makes the final temperature  
selections.  
M8585  
6
9-0637—2  
4
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HEATING/COOLING SYSTEM  
Fig. 10—Temperature control levers.  
Turn on power to the furnace and cooling system.  
Place the system switch lever to HEAT and fan switch  
lever to AUTO.  
LOW TEMPERATURE  
BLUE MARK)  
SET LEVER  
HIGH TEMPERATURE  
(RED MARK)  
SET LEVER  
(
Push both temperature setting levers together at least  
5
°F (3°C) above room temperature. The main burner should  
come on. The fan will start when the furnace heats up. (If  
central electric heat or heat pump system, fan starts imme-  
diately.)  
50  
60 70  
80  
Move both levers 5°F (3°C) below room temperature.  
The burner should shut off.  
M859  
Place the system switch lever at COOL and the fan  
switch lever at AUTO. The cooling equipment should  
operate, and the fan will start. Allow for any time delay that  
may be built into the compressor control circuit.  
SET SUBBASE SWITCHES  
The subbase system switch controls system operation as  
follows:  
NOTE: To avoid compressor damage, do not operate the  
system if outdoor temperature is below 50°F (10°C).  
Refer to manufacturer recommendations.  
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  
Move both temperature setting levers together at least  
°F (3°C) above room temperature. The cooling equipment  
should shut off.  
5
fan switch is in the AUTO position, the fan is also 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 positions. The heating and cooling  
systems should not operate.  
Operate the entire system for at least one complete cycle  
with the system switch at COOL and one complete cycle  
with the switch at HEAT.  
If thermostat fails any test, refer to the Troubleshooting  
Guide in the Owner’s Manual.  
Reset both temperature setting levers to the desired  
temperatures.  
The subbase fan switch controls fan operation as follows:  
ON: Fan operates continuously.  
AUTO: Fan operates with the cooling equipment as  
controlled by the thermostat or with the heating equip-  
ment as controlled by the plenum switch. In electric  
heat, heat pump and fan coil systems, the fan is  
controlled by the thermostat in heating and cooling.  
To switch positions, use thumb or index finger to slide  
lever to the desired position. Switch lever must stop in  
detent over the desired function indicator mark for proper  
circuit operation.  
Leave Owner’s Manual and Assistance Information in a  
convenient place for the building occupant or provide with  
other appliance manuals.  
CHECK OUT THERMOSTAT OPERATION  
CAUTION  
TYPICAL WIRING DIAGRAMS  
Do NOT check operation by shorting across  
terminals of relay or valve coil; this will burn  
out the thermostat heat anticipator.  
For wiring, follow the hookup diagram supplied with  
your heating, cooling or heating/cooling equipment. If not  
available, use Fig. 11 as a guide.  
REMEMBER: Your wiring must follow local electrical  
codes and ordinances.  
5
69-0637—2  
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Fig. 11—Typical hookup for Y8196A Package (T8196A Thermostat/Q682A Subbase) in heating/cooling  
system.  
TIMER  
H
C
H
C
FILTER  
LIGHT  
THERMOSTAT  
FALL  
FALL  
HEAT  
ANTICIPATOR  
HEAT  
ANTICIPATOR  
2
BATTERIES  
COOL  
ANTICIPATOR  
SUBBASE  
SYSTEM  
SWITCH  
FAN  
SWITCH  
SWITCH  
R
B
O
G
W
Y
3
REVERSING  
VALVE/  
HEATING  
DAMPER  
REVERSING  
VALVE/  
COOLING  
DAMPER  
FAN  
RELAY  
HEAT  
RELAY  
COMPRESSOR  
CONTACTOR  
1
L1  
(HOT)  
L2  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.  
REMOTE INDICATION FOR FILTER OPTIONAL.  
2
3
JUMPER W TO Y FOR HEAT PUMP COMPRESSOR CONTROL.  
M2386A  
Automation and Control Solutions  
Honeywell International Inc. Honeywell Limited—Honeywell Limitée  
985 Douglas Drive North  
Golden Valley, MN 55422  
1
35 Dynamic Drive  
Scarborough, Ontario M1V 4Z9  
9-06372

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