Jackson Systems Comfort System T-21-P User Manual - Basic Functions
Your new Comfort System™ T-21-P touch screen thermostat has been manufactured using the
highest quality components and design currently available. As a result, when properly installed and
configured by a professional heating and air conditioning contractor, the T-21-P will provide years of
trouble-free operation.
The T-21-P has been designed to be an attractive, highly reliable and easy-to-use thermostat. By
taking time to read and understand this User Manual, you can take advantage of the many features
offered in this premium product.
Great care has been taken in the preparation of this manual. Jackson Systems takes no
responsibility for errors or omissions contained in this document. It is the responsibility of the user to
ensure that this thermostat, or equipment connected to it is operating to their respective
specifications and in a safe manner.
Due to ongoing product improvements, Jackson Systems reserves the right to change the
specification of the T-21-P thermostat (or its components) without notice.
All right reserved © Jackson Systems, LLC 2011
Intellectual rights apply.
Heat
Heat Set
PM
Day
Time and Day
(only shown in
programmable mode)
Touch to set day and time
Space temperature
(always displayed)
Set temperature
(displayed or hidden based on
thermostat configuration)
Mode
Touch to select
Heat, Cool, Auto,
Off or E. Heat
Fan
Touch to select
Automatic or
Always On
operation
Program
(only shown in
programmable mode)
To simplify use, the T-21-P only displays information relevant to the current mode of operation. When
adjustments are required, the thermostat will display additional functions.
BASIC FUNCTIONS
INTRODUCTION
1
Hold
To override programmable mode,
touch the
icon until
appears. This will allow manual
operation of the thermostat. Touch
the
icon until
appears
to resume programmable mode.
Program
Hold
Hold
Program