Honeywell CT70A- User Manual
Honeywell CT70A– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – REMOVE OLD THERMOSTAT; WARNING; resists, check for a screw that locks the cover.; WIRE AND MOUNT NEW THERMOSTAT; that best fits your installation.
- Page 4 – TROUBLESHOOTING; Symptom
- Page 5 – Limited One-Year Warranty; If the product is defective,
CT70A
Heat Pump Thermostat
Your Honeywell Thermostat
Your new Honeywell CT70A Heat Pump Thermostat
provides low voltage (24 Vac) control of two-stage heating
and one-stage cooling in heat pump systems, using
manual changeover. Light-emitting diodes (LEDs) provide
emergency heat and auxiliary heat indication.
Recycling Notice
This control contains mercury in a sealed tube. Do not
place control in the trash at the end of its useful life.
Installation Instructions
Thermometer Scale Range: 45
o
F to 85
o
F [7
o
C to 29
o
C].
Electrical Ratings: 24 to 27 Vac.
Do-It-Yourself Models
M3375
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 of an old control containing mercury in a
sealed tube.
If you have questions, call Honeywell Inc. at
1-800-468-1502.
1
PREPARATION
Your Honeywell thermostat should be properly
installed if you follow these instructions step-by-step.
It is recommended that as you read, understand and
complete each step, you check
✔
it off with pencil or pen.
Check thermostat suitability for your home’s system
by reviewing the ratings listed on the front of these
instructions and reviewing the CT70 Heat Pump Thermo-
stat Wiring Guide enclosed.
Make certain that your home’s heat pump system is
working, especially if it has been inoperative for a
length of time. If the system does not work, contact your
local heating dealer for assistance.
Carefully unpack your new thermostat. Save
packages of screws, instructions, receipt and proof-
of-purchase.
2
THERMOSTAT MOUNTING DIMENSIONS
S.M. • 8-94 • Printed in U.S.A. • • ©Honeywell Inc. 1994 • Form Number 69-0846
M3375
80
70
60
50
80
70
60
50
3 [83]
9
32
AUTO ON
EM. HEAT HEAT OFF COOL
EM. HEAT AUX. HEAT
3 [101]
31
32
4 [119]
11
16
3
[83]
9
32
2 [52]
1
16
3
16
[5]
9
32
1
[33]
3
8
[10]
1
2
[13]
11
32
[9]
3
8
[10]
M7306
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Other Manuals for Honeywell CT70A
Summary
69-0846 2 3 REMOVE OLD THERMOSTAT WARNING Begin by turning off power to the heat pump at themain service panel. Remove cover of old thermostat—cover normallysnaps off when pulled firmly from the bottom. If it resists, check for a screw that locks the cover. Before removing the old thermostat from th...
69-0846 4 7 TROUBLESHOOTING Your Honeywell thermostat requires little or no attention. Most problems can generally be traced to the following: Symptom Problem Corrective Action Compressor doesn'tprovide warm air. Equipment has compressorprotection time delay. Wait five minutes and check for heat. Sy...
Limited One-Year Warranty Honeywell warrants this product to be free from defects in the workmanship or materials, under normal use and service, fora period of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product isdefective or malfunctions,...
