VisionPRO® IAQ
Touch-screen Programmable Thermostat
® U.S. Registered Trademark. US Patent No. 6,208,263;
6,373,376; 6,448,901; 6,595,430; 7,012,927; 7,044,397; D509151
and other patents pending. Copyright © 2008 Honeywell
International Inc. All rights reserved.
Installation
Guide
For up to 4 Heat/2 Cool systems with Honeywell THM5421C or equivalent.
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 manage-
ment authority for instructions regarding recycling and proper disposal.
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.
Installation
Thermostat can be mounted on 2" x 4" J box or on drywall or plaster using included wall
anchors (drill 3/16" holes for drywall; 7/32" holes for plaster).
Connect 1, 2, 3 terminals on thermostat to 1, 2, 3 terminals on EIM or Zone Panel; see EIM or
Zone Panel Installation Guide for wiring diagrams.
Set date/time
Date
Month
Year
Press DONE to save changes
Time
Press DONE to exit
This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
