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Honeywell 7-Day Programmable Thermostat (RTH7500D) Owner's Manual

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MCR33842
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Done
6
15
2012
MCR33763
50 60 70 80   F
OFF
AUTO 
EM. HEAT 
EM. HEAT AUX. HEAT
50 60
70
80
MCR33835
Installation is Easy
 Label wires and remove your old thermostat
 Install and wire your new thermostat
 Set your new thermostat to match your heating/cooling 
system
–  This thermostat works with virtually all System 
Types
–  It is preset for the most common system
We are here to help.
Call 1-800-468-1502 for 
wiring assistance before 
returning the thermostat to 
the store.
Remove old thermostat but leave wallplate with  
wires attached.
2
Remove Old Thermostat
1
Turn 
OFF
 Power to Heating/
Cooling System
Is there a sealed tube containing 
mercury? If so, see back cover for 
proper disposal instructions.
Leave wallplate in 
place
Old thermostat
Cover
Label the wires using the supplied wire labels as you 
disconnect them, then remove the old wallplate.
3
Label Wires with Tags
Wire Labels
Wire color might not match labels.
M31545
Remove wallplate from the new thermostat.
M28073
4
Separate Wallplate from  
New Thermostat
Wallplate
Mount the new wallplate using the included screws  
and anchors.
5
Mount Wallplate
MCR28094
Drill 3/32-in. holes for plaster
Drill 3/16-in. holes for drywall
MCR27518
Simply match wire labels.
Remove metal jumper if you have both 
R and Rc wires.
MCR28070
W2
Y2
C
G
Y
W
RC
R
LABELED WIRES
SCREW
CONVENTIONAL
INSERT WIRES 
THEN TIGHTEN SCREWS
WIRE HOLE
Y
G
R
W
CONVENTIONAL
6
Connect Wires
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.
Install two AA alkaline batteries and remove tab.
MCR28101
Back of thermostat
Remove tab.
7
Install Batteries
M27519
Install thermostat onto the wallplate on the wall.
Turn the power back on to the heating/cooling system.
8
Install Thermostat onto Wallplate
9
Turn Power Back 
ON
If your system type is:
q 
Single Stage Heat and Cool
Congratulations, you’re done!
Thermostat is set with energy saving schedule; see operating 
manual to adjust schedule.
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
q 
Cool Only
Continue to step 12a to match your thermostat to your 
system type.
*Heat Pump—an air conditioner that provides cooling in the 
summer, and also runs in reverse in the winter to provide 
heating.
This thermostat works on 24 volt or 750 mV systems. It will 
NOT work on 120/240 Volt systems.
11
If your system type is...
10
Set Time and Date
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.
Press 
s
 or 
t
 to set time, then press DONE to save and 
exit.
Honeywell International Inc. 
1985 Douglas Drive North 
Golden Valley, MN 55422 
http://yourhome.honeywell.com
® U.S. Registered Trademark.
© 2012 Honeywell International Inc.
69-2722—01   M.S.   05-12
Printed in U.S.A.
Automation and Control Solutions
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-
238-8192 for information on how and where to 
properly and safely dispose of your old thermostat.
CAUTION: To avoid possible compressor damage, 
do not run air conditioner if the outside temperature 
drops below 50°F (10°C).
This thermostat contains a Lithium battery which 
may contain Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
NOTE: Jumper wire used on old thermostat? If yes, note 
what letters the jumper connected and review in wiring 
section.
Month
Year
Day
or
or
69-2722-01
Q
ui
ck
 S
ta
rt G
ui
d
e
P
ro
gra
m
m
able
 T
he
rmo
sta
t
R
TH
74
00/
R
TH
75
00
 S
er
ie
s
MCR33843
Done
10:10
If you are not sure of your system type or if you have 
other questions, call us toll-free at 1-800-468-1502.