Features:

·   Intuitive Installer setup. Easy-to-follow, digital display uses real language to guide installer through four easy steps.

·   Standard Checkout Procedure

·   Robust Push Terminals

·   Common-Sense LEDs

·   Clean, Professional Installation

·   Variable-Speed Fan Control

·   Discharge Air Temperature Staging

·   Advanced Dual-Fuel Operation

·   Use with TAZ-4 Add-A-Zone to expand to 32 zones

·   RedLINK enabled for up to 4 wireless zones when used with THM4000R1000 Wireless Adapter

·   Heat Pump Compatible

·   Auto Changeover

·   Emergency Heat Switch

·   Resettable Fuse

·   Individual Zone Fan Control

·   Input Ratings: 18-30 VAC 50/60 Hz powered by a transformer of 40 VA or more

·   Wiring: 18- or 20-gauge solid (not stranded) wire

·   Mounting: Mounts with either 2 user-supplied screws at center line to mount onto 2 x 4, or with 4 screws at corners for wall mount.

Application:

·   Single-stage, multi-stage, conventional, or heat pump heat/ cool HVAC equipment up to 3 stages of heat and 2 stages of cool;

·   Dual-fuel systems with up to 2 heat pump stages and 2 fossil fuel stages;

·   2, 3, or 4 zones and is expandable to 32 zones using wired thermostats with the optional TotalZone Add-A-Zone Panel;

·   2, 3, or 4 zones with wireless thermostats when used with the optional wireless adaptor.