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2 18-HD64D1-1
2.1 Overview
2.2 Contents in Box
2.3 Specifications
Specification Description
Product Model: TZONE950AC52ZA
Product: ComfortLink II Thermostat
Size: 7.3” width x 4.3” height x 1.2” depth
Storage Temperature -40°F to 175°F, 5% to 95% RH non-condensing
Operating Temperature: 25°F to 126°F, 5% to 90% RH non-condensing
Input Power: 24 VAC from HVAC System (Range: 18-32 VAC)
Power Consumption: 7 VA*
Wire usage: Minimum 18 gauge NEC approved control wiring
Zone Sensor Wireless Range (802.15.4): 60 ft. through 3 standard walls
Wireless Connectivity Range (802.11 b/g): Varies with router model and placement
Communications: ComfortLink II - 3 wire connection
System Modes: Heat, Cool, Auto, Emergency Heat
Fan Modes: On, Auto, Circulate
Cooling Setpoint Temperature Range: 60°F to 99°F, 1°F resolution
Heating Setpoint Temperature Range: 55°F to 90°F, 1°F resolution
Indoor Temperature Display Range: 20°F to 119°F
Outdoor Temperature Display Range: -31°F to 119°F
Indoor Humidity Display Range: 0% to 99%, 1% resolution
Minimum Cycle Off Time Delay: Compressor: 5 minutes, Heat: 1 minute
The ComfortLink II Thermostat is a Communicating
7-inch color touch screen that provides an easy-to-
use interface to the end user.
The thermostat is a communicating wall mounted
control that allows a user to control an HVAC and
zoning system.
With the addition of the 24VAC Relay Panel, con-
ventional HVAC systems can also be controlled
and zoned.
The following parts are included in product model
TZONE950AC52ZA:
1 - Thermostat
1 - Sub-Base
3 - SnapSkru
®
Wall Achors
3 - 1” Screws
Section 2. General Information
* On every application, 24VAC loads should be reviewed to be sure the indoor unit control power transformer is adequately sized. See the Relay
Panel Installer’s Guide for guidelines.