Toptech T955WH, TT-S-955WH Operating Manual

This manual covers:

OPERATING MANUAL

Caution:

Equipment damage hazard

Do not operate the cooling
system if the outdoor
temperature is below 50˚ F
(10˚ C) to prevent possible
compressor damage.

Thermostat Quick Reference
Thermostat Operation
Setting the Humidity
Programming
Contact Us and Warranty Registration

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Congratulations on purchasing a
new thermostat. This thermostat was

designed to the highest reliability and
ease of use standards. Thank you for
choosing Pro1.

T955WH Wireless Thermostat System

Your wireless thermostat system includes
a master thermostat (T955WH) and base
module. The T955WH thermostat
communicates wirelessly with the base
module. The base module is wired to your
heating and cooling system.

® U.S. Registered Trademark. Patents pending.
Copyright © 2010 Pro1 IAQ, Inc. All rights reserved.

Rev. 1011

Table of Contents Page

1

Need Help?

For assistance with this product please
visit http://www.pro1iaq.com or call Pro1
Customer Care toll-free at 888-Pro1iaq
(776-1427) during normal business hours
(Mon-Fri 9 AM - 6 PM Eastern)

Una versión española de este
manual puede ser descargada
en www.pro1iaq.com

This manual covers TopTech models:

TT-S-955WH and T955WH

THERMOSTAT QUICK REFERENCE

Battery information

2

On the back of the thermostat insert
2 AA Alkaline batteries (included).

Pull the thermostat directly away
from the wall to access the batteries.
A firm tug will be required to remove
the thermostat from the subbase
mounted on the wall.

Program Menu Options:

Shows different options
during programming.

Wireless Icon

System Information:

Shows which zone or
zones are controlling
your system. Shown
only when one or more
indoor sensors R251W
are connected.

Getting to know your thermostat

LCD

1

2

Fan Button

3

System Button

4

5

Temperature
Setpoint Buttons

6

7

Menu Button

Humidity Button

Temperature:

Indicates the current
system temperature.

Humidity:

Shows the humidity target
setpoint settings and keys.

Glow in the Dark
Light Button

6

7

1

2

3

4

5

Low Battery Indicator:

Replace batteries when
this indicator is shown.

Programmable Time
Period Icons:

This thermostat has
4 programmable
time periods per day.

Important:

The low battery indicator is displayed
when the AA battery power is low. If the
user fails to replace the battery within
21 days, the thermostat display will only
show the low battery indicator as a final
warning before the thermostat
becomes inoperable. The batteries are
located on the back of the thermostat.

Clean Display:
Pressing CLEAN DISPLAY
will allow 30 seconds to clean
the display. The keys will be
inoperable during this time.
CLEAN will appear if your
contractor has programmed a
filter change reminder. Press
CLEAN when filter has been
replaced to reset the filter
change reminder timer.

NOTE ABOUT THE LIGHT BUTTON:
This button is used to light up the
display, but it is also used to set up
communication with the base module.
DO NOT hold the light button down for
more then 10 seconds, unless you are
performing the initial communication
setup steps.

REMOTE indicates a
remote has control of the
system.

HOLD is displayed when
thermostat program is
permanently overridden.

Displays the user selectable
setpoint temperature.

System operation indicators:

The COOL, HEAT or FAN icon
will display when the COOL,
HEAT or FAN is on.
NOTE: The compressor delay
feature is active if these icons
are flashing. The compressor
will not turn on until the 5
minute delay has elapsed.

COOL HEAT FAN

Days of the week and time. Flashes ambient
humidity level. May also flash outside temperature
when used with R250W. OUTDOOR will show.

THERMOSTAT OPERATION

3

Caution:

When the battery icon
appears replace your AA
batteries immediately. Failure
to do so may result in your
heating and cooling system
becoming inoperable.

Easy to use controls

8

7

6

1

2

3

4

5

LCD Display:

See page 2 for details about this display
readout and icons.

1

2

3

4

5

Glow in the Dark Light Button:

Press and release the light button to turn on the
display light. The glow in the dark light button will
self illuminate for several hours after exposure to
ambient light. DO NOT hold down the light
button for more then 10 seconds. This will break
the communication link between the T955WH
and the base module.

Temperature Setpoint Buttons:

Press the

+ or - buttons to select the desired

room temperature.

6

Menu Keys:

Use these keys to set up your programming
options. Refer to the next page for instructions.

8

Humidity Key:

Use this key to enter the target humidity setpoint
screen. Refer to the next page for instructions.

7

Next Zone:

This button will appear if optional R251W
indoor remotes are present. By selecting
NEXT ZONE you can cycle through each of
the zones set up during the initial installation.

Fan Key:

Select ON or AUTO. The ON key will run the fan
continuously. The AUTO key will cycle the fan on
only when the heating or cooling system is on.

A Note About Programmable Fan:

The programmable fan feature will run the fan
continuously during any time period it is
programmed to be on. This is the best way to keep
the air circulated and to eliminate hot and cold
spots in your building.

System Key:

Selects the operation mode of your HVAC
system. Selecting HEAT turns on the heat
mode. Selecting COOL turns on the air
conditioning mode. Selecting OFF turns
both heating and cooling off. Selecting
AUTO will turn the HEAT or COOL on as
needed.

A Note About Auto Changeover:

Auto changeover will switch between
heating and cooling as needed. It is very
important to make sure the cooling setpoint
temperature is at least 3º above the heating
setpoint temperature and that the heating
setpoint temperature is at least 3º below
the cooling setpoint temperature.