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VisionPRO® IAQ
Equipment Interface Module
Installation
Guide
® U.S. Registered Trademark. US Patent No. 6,208,263; 6,373,376;
6,448,901; 7,012,927 and other patents pending.
Copyright © 2011 Honeywell International Inc.
All rights reserved.
69-1823EFS-05
English:
Page 1
• Français:
Page 6
• Español:
Página 11
For up to 4 Heat/2 Cool systems with Honeywell THM5421C or equivalent.
System Types
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.
• 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