Honeywell RTH7500D1049E1 Thermostat User Manual

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This thermostat contains a Lithium battery which  
may contain Perchlorate material.  
Perchlorate Material—special handling may apply,  
See www.dtsc.ca.gov/hazardouswaste/perchlorate  
Installation is Easy  
Turn OFF Power to Heating/  
Cooling System  
Separate Wallplate from  
New Thermostat  
Label Wires with Tags  
Label wires and remove your old thermostat  
Install and wire your new thermostat  
1
2
3
4
Label the wires using the supplied wire labels as you  
disconnect them, then remove the old wallplate.  
Remove wallplate from the new thermostat.  
MERCURY NOTICE: Do not place your old  
thermostat in the trash if it contains mercury in a  
sealed tube. Contact the Thermostat Recycling  
Corporation at www.thermostat-recycle.org or 800-  
Set your new thermostat to match your heating/cooling  
system  
or  
This thermostat works with virtually all System  
Types  
238-8192 for information on how and where to  
It is preset for the most common system  
properly and safely dispose of your old thermostat.  
We are here to help.  
Remove Old Thermostat  
Call 1-800-468-1502 for  
wiring assistance before  
returning the thermostat to  
the store.  
CAUTION: To avoid possible compressor damage,  
do not run air conditioner if the outside temperature  
drops below 50°F (10°C).  
Remove old thermostat but leave wallplate with  
wires attached.  
M31545  
Is there a sealed tube containing  
Wire color might not match labels.  
mercury? If so, see back cover for  
proper disposal instructions.  
Leave wallplate in  
place  
Wire Labels  
Automation and Control Solutions  
Honeywell International Inc.  
1985 Douglas Drive North  
Golden Valley, MN 55422  
This thermostat works on 24 volt or 750 mV systems. It will  
NOT work on 120/240 Volt systems.  
EM. HEAT AUX. HEAT  
M28073  
5
0
0
60 70 80  
Wallplate  
5
60 70 80 F  
Old thermostat  
®
U.S. Registered Trademark.  
EM. HEAT AUTO  
OFF  
© 2012 Honeywell International Inc.  
69-2722—01 M.S. 05-12  
Printed in U.S.A.  
MCR33763  
MCR33835  
Cover  
NOTE: Jumper wire used on old thermostat? If yes, note  
what letters the jumper connected and review in wiring  
section.  
Mount Wallplate  
Connect Wires  
Install Batteries  
Install Thermostat onto Wallplate  
10 Set Time and Date  
11 If your system type is...  
5
6
7
8
Install thermostat onto the wallplate on the wall.  
Mount the new wallplate using the included screws  
and anchors.  
Simply match wire labels.  
Install two AA alkaline batteries and remove tab.  
Press s or t to set month, then press NEXT.  
Press s or t to set day, then press NEXT.  
Press s or t to set year, then press DONE.  
If your system type is:  
q Single Stage Heat and Cool  
SCREW  
Congratulations, you’re done!  
Thermostat is set with energy saving schedule; see operating  
manual to adjust schedule.  
Month  
Year  
Day  
INSERT WIRES  
THEN TIGHTEN SCREWS  
LABELED WIRES  
CONVENTIONAL  
CONVENTIONAL  
WIRE HOLE  
6
15  
2
012  
If your system type is:  
q Multistage Heat and Cool  
q Heat Pump* without Backup Heat  
q Heat Pump* with Backup Heat  
q Heat Only  
C
G
W2  
Y2  
G
Go Back  
Next  
Done  
Y
Y
W
W
RC  
R
M27519  
R
MCR33842  
MCR28101  
q Cool Only  
Back of thermostat  
MCR28070  
Press s or t to set time, then press DONE to save and  
exit.  
Continue to step 12a to match your thermostat to your  
system type.  
Turn Power Back ON  
9
Remove metal jumper if you have both R and Rc wires.  
MCR28094  
*Heat Pump—an air conditioner that provides cooling in the  
Turn the power back on to the heating/cooling system.  
Drill 3/32-in. holes for plaster  
Drill 3/16-in. holes for drywall  
summer, and also runs in reverse in the winter to provide  
heating.  
Labels don’t match? See Wiring Notes (over).  
Have a Heat Pump system? See Wiring Notes (over).  
Call 1-800-468-1502 for wiring assistance.  
1
0:10  
Done  
or  
Remove tab.  
MCR27518  
MCR33843  
If you are not sure of your system type or if you have  
other questions, call us toll-free at 1-800-468-1502.  
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System Setup  
Preferences (optional)  
Wiring Notes  
1
2a  
12b  
Use the Setup and Navigation steps in 12a to set Display Preferences.  
Step 1  
Press and release the left button.  
Conventional system  
Function  
Settings & Options  
Set To  
Fri  
0300 Manual/Auto  
0
1
Manual changeover (Heat/Cool/Off).  
PM  
Alternate wiring (conventional systems)  
7
2
6:30 72  
NOTE: Some functions may not appear due to  
System  
Fan Auto  
Changeover  
Automatic changeover (Heat/Cool/Auto/Off). Automatically turns on Heat or Cool based on room  
temperature. Note: System maintains minimum 3°F difference between heat and cool settings.  
Fahrenheit  
Cool  
thermostat model or previous selections made.  
C
C
Remove metal jumper connecting R and Rc only if  
you must connect both R and Rc wires.  
3
System & Fan  
Schedule  
Clock & More  
0320  
Temperature Format  
0
1
0
1
2
G
G
Y
(
°F/°C)  
Celsius  
If your old thermostat had both R and RH wires,  
remove metal jumper. Connect the R wire to the  
Rc terminal, and the RH wire to the R terminal.  
Y
MCR33839  
Step 3  
0330 Daylight Saving Time  
Off: No adjustment for daylight saving time.  
W
RC  
R
On/Off  
On: Auto-change to daylight saving time (for areas that do not use the new 2007 DST calendar).  
On: Auto-change to daylight saving time (2007 and beyond, for areas that use the new 2007 DST calendar).  
W
1
2
Press s t to change setting.  
Step 2  
Press NEXT to advance to next function.  
If your old thermostat had only 1 C or C1 wire,  
connect it to the C terminal. If your old thermostat  
had 2 C or C1 wires, wrap each separately with  
electrical tape and do not connect them.  
Press and hold the center button until the screen  
changes (approximately 5 seconds).  
Rc  
R
2
0
500 Furnace Filter Change 0 Off (no reminder)  
3 Press DONE to save & exit.  
Reminder  
1
2
3
4
5
6
1
0
Reminder in about 1 month  
Reminder in about 3 months  
Reminder in about 6 months  
Reminder in about 9 months  
Reminder in about 1 year  
Reminder in about 3 years  
On  
2
W2  
Y2  
W2  
0
120 20  
System  
Heat Off Cool  
Fan Auto  
Y2  
MCR32160  
System  
Go Back  
Next  
Done  
Fan  
Done  
0
530 Smart  
MCR33840  
MCR33841  
Response®  
Technology  
Off  
Heat pump  
0
600 Maximum Heat  
Temperature Limit  
0
610 Minimum Cool  
Temperature Limit  
0
640 Clock Format  
90°F (other options: 40-89°F [4-32°C])  
50°F (other options: 51-99°F [11-37°C])  
12 12-hour clock (i.e., “3:30 pm”)  
Connect wires: Heat Pump  
HEAT PUMP  
HEAT PUMP  
Function  
Settings & Options  
20 = Year 20xx  
1
2
. Match each labeled wire with same letter on new thermostat.  
0120*  
Year Setting  
C
G
A
u
x
Aux  
E
. Use a screwdriver to loosen screws, insert wires into hole under  
screw, then tighten screws until wire is secure.  
G
(
first two digits)  
130* Year Setting  
second two  
21 = Year 21xx  
Y
0
01 - 99 (i.e., 2001 - 2099)  
Y
L
3. If E and Aux do not each have a wire connected, use a small  
O
(
O/B  
RC  
R
piece of wire to connect them to each other.  
2
4 24-hour clock (i.e., “15:30”)  
digits)  
4
. Push any excess wire back into the wall opening.  
R
0
0
0
140* Month Setting  
01 - 12 (i.e., January - December)  
01 - 31  
Labels don’t match?  
150* Date Setting  
If labels do not match letters on thermostat, see Alternate wiring  
(heat pump system only)  
MCR33552  
170  
Select System  
Type  
1
2
3
4
5
6
7
8
9
1
0
1
Heat/cool: Gas, oil or electric heating with central air conditioning.  
Heat pump: Heat pump without backup or auxiliary heat.  
Heat only: Gas, oil or electric heat without central air conditioning.  
Alternate wiring (heat pump system only)  
Heat only with fan: Gas, oil or electric heat without central air conditioning.  
3
5
3
Hot water heat only (no fan): Gas, oil or hot water heat without central air conditioning.  
Cool only: Central air conditioning only.  
C
G
Y
Leave metal jumper in place, connecting R & Rc terminals.  
If your old thermostat had both V and VR wires, stop now and contact a  
Heat pump: Heat pump with backup or auxiliary heating.  
qualified contractor for help.  
Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 2 cooling stages (wires on Y and Y2).  
Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 1 cooling stage (wire on Y).  
Heat/Cool Multiple stages: 1 heat stage (wire on W), 2 cooling stages (wires on Y and Y2).  
Gas or oil heat: Use this setting if you have a gas or oil heating system (system controls fan operation).  
Electric heat: Use this setting if you have an electric heating system (thermostat controls fan operation).  
O/B  
RC  
R
If your old thermostat had separate O and B wires, attach the B wire to  
the C terminal. If another wire is attached to the C terminal, stop now  
and contact a qualified contractor for help.  
0
0
180 Heating Fan  
2
6
Control  
4
If your old thermostat had Y1, W1 and W2 wires, stop now and contact  
AUX  
E
0
190 Heat Pump  
0
1
Cooling changeover valve: Use this setting if you connected a wire labeled “O” to the O/B terminal (see  
a qualified contractor for help.  
6
5
Changeover Valve  
for heat pumps  
only)  
page 22).  
If L terminal is used, C terminal wire must be connected (contact a  
contractor if there is no C wire).  
L
(
Heating changeover valve: Use this setting if you connected a wire labeled “B” to the O/B terminal (see  
MCR32161  
5
page 23).  
0
240 Heating Cycle Rate 5 Gas or oil furnace: Standard gas/oil furnace (less than 90% efficiency).  
If E and Aux terminals do not each have a wire connected, use a small  
9
3
1
Electric furnace: Electric heating systems.  
6
piece of wire to connect them to each other.  
Hot water or high-efficiency furnace: Hot water system or gas furnace (more than 90% efficiency).  
Gas/oil steam or gravity system: Steam or gravity heat systems.  
0
270 Emergency Heat  
Cycle Rate (heat  
pumps only)  
Settings 5, 9, 3, or 1 recommended. Other settings: 2, 4, 6, 7, 8, 10, 11, 12.  
The number indicates how frequently the system cycles on and off to maintain the set temperature.  
A higher number means the system is on and off for shorter amounts of time, a lower number means  
longer on and off times. When these settings are set to match the system type, the thermostat controls  
temperature more accurately.  
Customer assistance  
For assistance with this product, please visit http://yourhome.honeywell.com  
or call Honeywell Customer Care toll-free at 1-800-468-1502.  
*
Functions set in Step 10.  
6
9-2722—01  

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