Honeywell Q7100A Thermostat User Manual

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Q7100A,C,D  
Thermostat Subbases  
INSTALLATION INSTRUCTIONS  
3
.
.
Installer must be a trained, experienced service  
technician.  
After completing installation, use these instructions  
to check out the product operation.  
APPLICATION  
4
The Q7100 Thermostat Subbases provide electronic  
control of commercial 24 Vac single or multistage heat  
pump or conventional heating and cooling systems.  
Select models have terminals for light emitting diodes  
LEDs, remote temperature sensors and remote setback  
timer. The LED models have up to two field configurable  
LEDs and up to two factory assigned LEDs. Refer to  
Table 1. All Q7100 Thermostat Subbases require a  
common wire to the supply power.  
CAUTION  
Disconnect power supply to prevent electrical  
shock or equipment damage.  
Location  
Subbase without Remote-Mounted Temperature Sensor  
Install the subbase about 5 ft (1.5m) above the floor in an  
area with good air circulation at average temperature.  
See Fig. 1.  
Table 1. Description of Q7100 Subbases.  
Stagesa  
Use  
Q7100 T7100  
System  
Heat  
Cool  
Figs.  
8-9  
Do not install the subbase where it can be affected by:  
A
C
D
D or F Conventional  
E or F Heat pump  
E or F Heat pump  
1 or 2 1 or 2  
1, 2 or 3 1 or 2  
1 or 2 1 or 2  
drafts, or dead spots behind doors and in corners.  
hot or cold air from ducts.  
radiant heat from sun or appliances.  
concealed pipes and chimneys.  
unheated (uncooled) areas such as an outside wall  
behind the thermostat.  
10-14  
15  
a
Depends on the model.  
Subbase with Remote-Mounted Temperature Sensor(s)  
Install the subbase in an area that is accessible for  
setting and adjusting the temperature and settings.  
RECYCLING NOTICE  
If this control is replacing a control that contains  
mercury in a sealed tube, do not place your old  
control in the trash.  
Install the remote-mounted sensor(s) about 5 ft (1.5m)  
above the floor in an area with good air circulation at  
average temperature. See Fig. 1.  
Contact your local waste management authority  
for instructions regarding recycling and the proper  
disposal of the old thermostat.  
Do not mount the sensor(s) where it can be affected by:  
drafts, or dead spots behind doors and in corners.  
hot or cold air from ducts.  
radiant heat from sun or appliances.  
concealed pipes and chimneys.  
unheated (uncooled) areas such as an outside wall  
behind the thermostat.  
INSTALLATION  
When Installing this Product...  
1
.
.
Read these instructions carefully. Failure to follow  
the instructions can damage the product or cause  
a hazardous condition.  
Check the ratings given in the instructions and on  
the product to make sure the product is suitable for  
your application.  
If more than one remote sensor is required, they must be  
arranged in a temperature averaging network consisting  
of two, three, four, five or nine sensors. See Fig. 2  
through 6.  
2
®
U.S. Registered Trademark  
Copyright © 1996 Honeywell Inc. •  
All Rights Reserved  
69-0931-3  
href="
Q7100A,C,D THERMOSTAT SUBBASES  
YES  
NO  
NO  
5
FEET  
NO  
[1.5 METERS]  
M10074  
Fig. 1.Typical location of thermostat or remote-mounted sensor.  
SUBBASE  
SUBBASE  
T
T
T
T
T7047C  
T
T7047C  
T
T7047G  
T7047G  
T
T
T
T
T
T
T7047C  
T
T7047C  
T
M4838  
T
T
Fig. 2.Two T7047G Sensors providing a  
temperature averaging network for a  
T7100/Q7100 Thermostat/Subbase.  
M4840  
Fig. 4. Four T7047C Sensors providing a  
temperature averaging network for a  
T7100/Q7100 Thermostat Subbase.  
SUBBASE  
T
T
SUBBASE  
T7047C  
T
T
T
T
T7047G  
T7047G  
T7047G  
T
T
T
T
T7047G  
T7047C  
T
T
T
T
T
T
T7047G  
T7047G  
M4839  
T
T
T
T
M4841  
Fig. 3.Two T7047C Sensors and one T7047G Sensor  
providing a temperature averaging network  
for a T7100/Q7100 Thermostat/Subbase.  
Fig. 5. Five T7047G Sensors providing a  
temperature averaging network for a  
T7100/Q7100 Thermostat/Subbase.  
69-0931—3  
2
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Q7100A,C,D THERMOSTAT SUBBASES  
3.  
Remove the subbase from the wall and drill two  
3/16 inch holes in the wall (if drywall) as marked. For  
firmer material such as plaster or wood, drill two  
SUBBASE  
T
T
7
/32 inch holes. Gently tap anchors (provided) into  
T7047C  
T
T7047C  
T
T7047C  
T
the drilled holes until flush with the wall.  
T
T
T
T
T
4. Position the subbase over the holes, pulling wires  
through the wiring opening.  
5
6
.
.
Loosely insert the mounting screws into the holes.  
Tighten mounting screws.  
T7047C  
T
T7047C  
T
T7047C  
T
WIRING  
T
T
All wiring must comply with local electrical codes and  
ordinances. Refer to Fig. 9 through 15 for typical  
hookups. A letter code is located near each terminal for  
identification.  
T7047C  
T
T7047C  
T
T7047C  
T
T
T
CAUTION  
Disconnect power before wiring to prevent  
electrical shock or equipment damage.  
1.  
Loosen the terminal screws on the back of the  
thermostat and connect the system wires. See  
Fig. 8.  
M4842  
Fig. 6. Nine T7047C Sensors providing a  
temperature averaging network for a  
T7100/Q7100 Thermostat/Subbase.  
IMPORTANT  
Use 18 gauge, color-coded thermostat cable for  
proper wiring.  
Subbase Installation  
2.  
3.  
4.  
Securely tighten each terminal screw.  
Push excess wire back into the hole.  
Plug the hole with nonflammable insulation to  
prevent drafts from affecting the thermostat.  
The subbase can be mounted horizontally on the wall or  
a 2 in. x 4 in. wiring box. Position the subbase horizon-  
tally on the wall or on a 2 in. x 4 in. wiring box.  
1.  
Position and level the subbase (for appearance  
only). The thermostat will function properly even  
when not level.  
2.  
Use a pencil to mark the mounting holes. See Fig. 7.  
FOR STRAIGHT  
INSERTION STRIP  
WALL  
FOR WRAPAROUND  
5/16 IN. (8 MM).  
INSERTION STRIP  
/16 IN. (11 MM).  
7
WIRES  
THROUGH WALL  
M4826  
Fig. 8. Proper wiring technique.  
SUBBASE  
B
O
G
Y
X
W
RH  
RC  
WALL  
ANCHORS  
(2)  
COMPRESSOR  
CONTACTOR  
HEAT  
RELAY OR  
VALVE COIL  
FAN  
RELAY  
COOL  
DAMPER  
MOUNTING  
HOLES  
1
L1  
(
HOT)  
HEAT  
DAMPER  
L2  
MOUNTING  
SCREWS  
M6531  
LEDS  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS  
AND OVERLOAD PROTECTION AS REQUIRED.  
M4831A  
Fig. 9.Typical hookup of Q7100A1044 in a one-stage  
heat and one-stage cool conventional system.  
Fig. 7. Mounting the subbase.  
3
69-0931—3  
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Q7100A,C,D THERMOSTAT SUBBASES  
SUBBASE  
RC  
O
Y1  
Y2  
G
X
W1  
W2  
B
RH  
T
T
D
D
3
COOL  
DAMPER  
COMPRESSOR  
CONTACTOR 2  
HEAT  
RELAY 2  
REMOTE  
TEMPERATURE  
SENSOR  
1
COMPRESSOR  
CONTACTOR 1  
FAN  
RELAY  
HEAT  
RELAY 1  
HEAT  
DAMPER  
REMOTE  
SETBACK  
TIMER  
2
2
L1  
L1  
(
HOT)  
(HOT)  
L2  
L2  
1
CAUTION:  
EQUIPMENT DAMAGE WILL OCCUR IF POWER IS CONNECTED TO THE D TERMINALS.  
2
3
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.  
JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER  
.
M4837A  
Fig. 10.Typical hookup of Q7100A1010 in a two-stage heat and two-stage cool  
conventional system with two transformers.  
SUBBASE  
X
SUBBASE  
X
B
O
W
G
Y
R
X1  
W1  
E
G
Y1  
X1  
R
COMPRESSOR  
CONTACTOR  
FAN  
RELAY  
COMPRESSOR  
CONTACTOR  
HEAT  
RELAY  
FAN  
RELAY  
HEAT  
RELAY  
EQUIPMENT  
MONITOR  
EM. HT.  
RELAY  
EQUIPMENT  
MONITOR  
COOL  
CHANGEOVER  
VALVE  
L1  
HOT)  
(
L1  
1
L2  
(
HOT)  
HEAT  
CHANGEOVER  
VALVE  
L2  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
M4843A  
M11088  
Fig. 11.Typical hookup of Q7100C1024 in a one-stage  
heat and one-stage cool heat pump system.  
Fig. 12.Typical hookup of Q7100D in a one-stage  
heat and one-stage cool heat pump system.  
SUBBASE  
Y1  
X
W2  
O
B
W1  
G
E
R
X1  
T
T
D
D
FAN  
RELAY  
EQUIPMENT  
MONITOR  
SENSOR  
AUX.  
HEAT  
RELAY  
HEAT  
TIMER  
RELAY  
HEAT  
CHANGEOVER  
VALVE  
EM. HT.  
RELAY  
COMPRESSOR  
CONTACTOR  
COOL  
CHANGEOVER  
VALVE  
L1  
HOT)  
(
L2  
M11089  
Fig. 13.Typical hookup of Q7100C1016 in a two-stage heat and one-stage cool heat pump system.  
Includes remote temperature sensor and remote setback timer.  
69-0931—3  
4
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Q7100A,C,D THERMOSTAT SUBBASES  
SUBBASE  
X
O
E
G
B
W2  
W1  
Y2  
Y1  
X2  
X4  
X1  
X3  
R
T
T
D
D
5
COOL  
CHANGEOVER  
VALVE  
FAN  
RELAY  
COMPRESSOR  
CONTACTOR 2  
HEAT  
RELAY  
EQUIPMENT  
MONITOR 2  
REMOTE  
TEMPERATURE  
SENSOR  
2
4
3
1
EM. HT.  
RELAY  
HEAT  
CHANGEOVER  
VALVE  
HEAT  
RELAY 1  
COMPRESSOR  
CONTACTOR 1  
EQUIPMENT  
MONITOR 1  
2
L1  
(HOT) REMOTE  
SETBACK  
L2  
TIMER  
1
CAUTION: EQUIPMENT DAMAGE WILL OCCUR IF POWER IS CONNECTED TO THE D TERMINALS.  
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.  
EM. HEAT RELAY DOES NOT CYCLE. TO TURN OFF THE EM. HEAT, GO TO SYSTEM SELECTION AND CHOOSE HEAT.  
SELECT MODELS HAVE LEDS.  
2
3
4
5
X2 AND X4 NEED TO BE JUMPERED TO TERMINAL X.  
M4835A  
Fig. 14.Typical hookup of Q7100C1008 in a two-stage heat and two-stage cool heat pump system.  
Includes remote temperature sensor and remote setback timer.  
SUBBASE  
B
X
O
E
G
W3  
Y2  
Y1  
X4  
X1  
X3  
R
T
T
D
D
4
COOL  
CHANGEOVER  
VALVE  
FAN  
RELAY  
COMPRESSOR  
CONTACTOR 2  
EQUIPMENT  
MONITOR 2  
REMOTE  
TEMPERATURE  
SENSOR  
1
HEAT  
CHANGEOVER  
VALVE  
EM. HT.  
RELAY  
AUX. HT.  
RELAY  
COMPRESSOR  
CONTACTOR 1  
EQUIPMENT  
MONITOR 1  
L1  
(HOT) REMOTE  
SETBACK  
3
L2  
TIMER  
2
1
CAUTION: EQUIPMENT DAMAGE WILL OCCUR IF POWER IS CONNECTED TO THE D TERMINALS.  
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.  
SELECT MODELS HAVE LEDS.  
2
3
4
X4 NEEDS TO BE JUMPERED TO TERMINAL X.  
M4834B  
Fig. 15.Typical hookup of Q7100C1073 in a three-stage heat and one-stage cool heat pump system.  
Includes remote temperature sensor and remote setback timer.  
Mounting Thermostat on Subbase  
Mount the thermostat on the subbase after the subbase  
is installed.  
1
.
.
Engage tabs at the top of thermostat and subbase.  
See Fig. 16.  
Press lower edge of case to close and latch.  
2
A. ENGAGE TABS AT TOP OF  
THERMOSTAT AND SUBBASE.  
NOTE: To remove the thermostat from the wall, first pull  
out at the bottom of the thermostat; remove top  
last.  
B. PRESS LOWER  
EDGE OF CASE  
TO LATCH.  
IMPORTANT  
Refer to the thermostat installation instructions  
for Installer Setup, Settings, Installer Self-Test  
and Troubleshooting information.  
M6799A  
Fig. 16. Mounting thermostat on subbase.  
5
69-0931—3  
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Home and Building Control  
Honeywell Inc.  
Honeywell Plaza  
Home and Building Control  
Honeywell Limited-Honeywell Limitée  
155 Gordon Baker Road  
North York, Ontario  
P.O. Box 524  
Minneapolis, MN 55408-0524  
M2H 2C9  
69-0931—3 Rev. 2-98 L. C.  
www.honeywell.com  

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