Installation
Guide
TH4110D
Programmable Thermostat
Product Application
This thermostat provides electronic control of 24 VAC single-stage heating and cooling systems, or 750 mV heating systems.
System Types
•Gas, oil, or electric heat with air conditioning
•Warm air, hot water, high-efficiency furnaces, heat pumps, steam, gravity
•Heat only
•Heat only with fan
•Cool only
•750 mV heating systems
Power Type
•Battery power
•Common wire
•Common wire with battery backup
System Settings
•Heat, Off, Cool
Fan Settings
•Auto, On
Must be installed by a trained, experienced technician
•Read these instructions carefully. Failure to follow these instructions can damage the product or cause a hazardous condition.
•Check the ratings in this booklet to verify that this product is suitable for your application (see page 13).
•Always test for proper operation after installation (see pages 8-9).
CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.
MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash. Contact your local waste management authority for instructions regarding recycling and proper disposal.
® U.S. Registered Trademark. Patents pending. Copyright © 2005 Honeywell International Inc. All rights reserved.
PRO TH4110D Programmable Thermostat
Table of contents |
|
Installation |
|
Pre-installation checklist |
................2 |
Wallplate installation ...................... |
3 |
Wiring.............................................. |
4 |
Wiring diagrams .............................. |
5 |
Installer Setup |
|
Fan operation settings .................... |
6 |
Battery installation .......................... |
7 |
Thermostat mounting .................... |
7 |
Installer setup.................................. |
8 |
Installer system test ........................ |
8 |
Appendices |
|
Adaptive Intelligent Recovery |
......10 |
Compressor protection ................ |
10 |
Quick reference to controls.......... |
11 |
Quick reference to display............ |
11 |
In case of difficulty ...................... |
12 |
Accessories.................................... |
13 |
Specifications ................................ |
13 |
Installation tips
Install the thermostat about 5 feet (1.5m) above the floor in an area with good air circulation at average temperature.
NO
NO
NO
Do not install in locations where the thermostat can be affected by:
•Drafts or dead spots behind doors and in corners
•Hot or cold air from ducts
•Sunlight or radiant heat from appliances
•Concealed pipes or chimneys
•Unheated/uncooled areas such as an outside wall behind the thermostat
1
Installation Guide
Pre-installation checklist
Package contents
Check to make sure your package includes the following items:
•PRO TH4110D digital thermostat (wallplate attached to back)
•Operating manual
•Wall anchors and mounting screws (2 each)
•AA alkaline batteries (2)
•Quick reference card
Required tools & supplies
•No. 2 Phillips screwdriver
•Small pocket screwdriver
•Drill
•Drill bit (3/16” for drywall, 7/32” for plaster)
•Hammer
•Pencil
•Electrical tape
•Level (optional)
2
PRO TH4110D Programmable Thermostat
Wallplate installation
Grasp top and bottom of wallplate and pull to remove from thermostat.
Remove the wallplate from the thermostat as shown at left, then follow directions below for mounting.
1Pull wires through wire hole.
2Position wallplate on wall, level and mark hole positions with pencil.
3Drill holes at marked positions as shown below, then tap in supplied wall anchors.
4Place wallplate over anchors, insert and tighten mounting screws.
5Insert quick reference card in slot in front of wall plate.
Insert quick reference card after wallplate is mounted (see mounting instructions, below)
Drill 3/16” holes for drywall.
Drill 7/32” holes for plaster.
Wire hole |
Mounting screws |
Wall anchors
3
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