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Installer’s Guide
Product Specifications
Specification
Description
Product Model:
TCONT624AS42DAA
Product:
HVAC System comfort control. Z-Wave™ RF communications enabled
Size:
5.75” wide x 3.5” height x 1” depth
Display:
Fixed Segment LCD, 4” x 2.25”, with 17 character alpha numeric display
Touchscreen:
Yes.
Backlight:
Yes, White, Controllable, on, off, timeout
Power:
24VAC from HVAC System
HVAC System Type:
Standard (gas/electric), Heat Pump, or Dual Fuel
Heat/Cool Stages:
Up to four stages of heat/two stages cool
PWM Output (BK)
Proprietary Variable speed motor control
Heat Pump Switchover valve:
Selectable change over with cool or with heat
Auxiliary Contact
Ventilation or dehumidifier control
Communications:
Z-Wave™ RF
Memory:
Non-volatile
Date/Time:
24 hour super capacitor backup
Time is automatically updated if the control is connected to
WKHH0RQLWRU
MERCURY NOTICE
When this Comfort Control is replacing an old thermostat that contains mercury in a sealed tube, do not dispose of your old thermostat in
the trash. Dispose of properly. Contact your local waste management authority for instructions regarding recycling and proper disposal
of the old thermostat.
A listing of heating, ventilating and air conditioning wholesalers that participate in the Thermostat Recycling Corporation’s recycling
program are available at
www.thermostat-recyle.org.
Installation and Wiring
Temperature Sensing Considerations
The 624 Control is designed for installation in climate controlled living spaces. It is recommended to place the unit in central
locations with good circulation. Avoid exterior walls and areas near windows, doors, vents or concealed pipes or chimneys.
Incorrect
Placement
of the 624
Ceiling Fan
Natural heat
dissapation
from the 924
Touch Screen
Onboard
Thermistor
5 FEET
Optimum
Zone
2 FEET
Correct
Placement
of the 950
Correct
Placement
of the 624
Heat from the 624 screen may be
trapped within the body of the 624
control by an external top-down airflow
source, such as a ceiling fan.
The onboard thermistor may be
biased by this heat causing the
displayed indoor temperature to be
elevated.
PM
Fan
Cool
i
n
g
Menu
Sche
d
Mod
e
Hold
Cool
Auto
F
:
Physical Location
