ComfortNET CTK04 System Installation Guide

CTK04 ComfortNet™ Communicating Thermostat
15
I/O-CHTSTAT03 69-2688—07
Heat pump with outdoor temperature lockouts
Outdoortemperaturelockoutsareoptional.SeeInstallerSetup
options(ISU3120).
Heat pump only
Heatpumpwithbackupheatasneeded*
Backupheatonly
Heat pump only
Heatpumporbackupheatoperates*
Backupheatonly
Outdoor temperatureOutdoor temperature
Backup heat lockout
Backup heat lockout
Compressor lockout
Compressor lockout
* No backup heat unless indoor temperature drops to selected Backup Heat Differential setting, or Backup Heat
Upstage Timer expires. Heat pump stays ON when backup heat turns on.
* No backup heat unless indoor temperature drops to selected Backup Heat Differential setting, or Backup
Heat Upstage Timer expires. Heat pump turns OFF when backup heat turns on.
Electric - Backup heat allowed to run with heat pump
Fossil Fuel - Backup heat NOT allowed to run with heat pump

ComfortNET CTK04 Specifications

General

Wi-Fi	Yes
Humidity Control	Yes
Temperature Control	Yes
Product Type	Thermostat
Brand	ComfortNET
Model	CTK04
Touchscreen	Yes
Color	White
Compatibility	HVAC systems
Programmable	Yes
Temperature Range	45°F to 99°F