PRO T755 Universal Thermostat Installation Guide
Tech Settings
Tech Settings
Tech Settings
Tech Settings
LCD Will Show Adjustment Options Default
LCD Will Show Adjustment Options Default
This feature allows you to put
If selected ON, you will see
the input screen after
pressing NEXT STEP. Use the
or button to select
the desired number and
the FAN or SYSTEM key to
move from one character to
another. See note below for
operation.
Enables the use of up to sixteen
You can use 1, 4, 9, or 16
Number
of Indoor
Remotes
indoor sensors. Refer to the
R251S Install Manual for de-
tailed connection information
your phone number in the
display. You can choose ON or
OFF.
indoor sensors R251S. Note: Will
only show Remote Sensor is set
to 1 and Local Temp Sensor is
set to on.
Notes:
1
1
If contractor call number is selected
ON, the phone number entered will
show in the display if there has been a
continuous call for heating or cooling
for 24 hours or if the light button is
held down for 3 seconds. To remove
the phone number from the display,
hold the light button down for 3
seconds.
(Only displayed
if remote sensor
setting is set to 1)
Contractor
Call Number
OF
OFF
NUMBER REMOTE
An outdoor temperature above
balance point will cause the
thermostat to energize the Y
terminal(s) only in calls for heat.
An outdoor temperature below
balance point will cause the
thermostat to energize the W2
terminal only in calls for heat.
Use the and buttons
to select OFF, 10, 15, 20, 25,
30, 35, 40, 45, 50 degrees.
Dual Fuel
Balance
Point
PHONE NUMBER
(Only displayed
if remote sensor
setting is set to
2 and Dual Fuel
AUX = On)
OF
OFF
You can configure the thermostat
for one of three remote sensor
applications: 0 No Sensor, 1
Indoor, 2 Outdoor, 3 Floor.
Remote
Sensor
Operation
Use the left and right
arrows to select one of
three options. View the S1/
S2 terminal chart on next
page for an explanation of
these options.
BALANCE POINT
(Only displayed
if a sensor is
connected
to S1 and S2
terminals)
0
0
REMOTE MODE
S1 / S2 Terminal
Description
You can disable the sensor on
the T855SH thermostat. At least
one R251S indoor remote sensor
must be connected to disable the
local T855S sensor. Note: Will only
show if remote sensor is set to 1.
ON enables local T855SH
sensor. OFF disables local
T855SH sensor.
Options Mode
Requires
Local Temp
Sensor
The local and remote temperatures are averaged.
The outdoor temperature is flashed in clock.
The floor temperature is shown in tech.
1
2
3
Indoor
Outdoor
Floor
R251S
R250S
R250S
ON
(Only displayed
if remote sensor
setting is set to 1)
LOCAL TEMP
18
17
Tech Settings
Programming
Set Time
Tech Settings
LCD Will Show Adjustment Options Default
Balance point run time will allow
Off, 15, 30, 45, 60, 75, 90
1. With system switch set to OFF, press the MENU button
2. Press SET TIME
the W2 auxiliary terminal to ener-
gize even if outdoor temperature
is above selected balance point
temperature. If enabled, auxiliary
will energize for the current cycle
after the balance point run time
has expired.
Balance
Point Run
Time
3. Day of the week will be flashing. Use the
to select the current day of the week.
4. Press NEXT STEP
or
key
(Only displayed
if remote sensor
setting is set
to 2)
OF
OFF
5. The current hour is flashing. Use the
or
key to
Note: Only shows if Balance Point is
set to an outdoor temperature.
select the current hour. When using 12-hour time, make sure
the correct a.m. or p.m. choice is selected.
6. Press NEXT STEP
BP RUN TIME
The temperature of the floor
sensor will be displayed.
N/A
7. Minutes are now flashing. Use the
select current minutes.
8. Press DONE when completed.
or
key to
Floor
Temperature
Note: Only shows when REOP is
set to 3.
76
N/A
(Only displayed
if remote sensor
Use and buttons to adjust.
Programming
setting is set to 3)
FLOOR TEMP
All of our programmable thermostats are shipped with an
energy saving pre-program. You can customize this default
program by following the steps on the next page.
This setting allows you to set
a maximum floor temperature
limit for heat. Heat will be locked
out when the floor temperature
is above this value. Note: Only
shows when REOP is set to 3.
Use the or buttons to
select the High Limit for the
floor sensor.35 - 120
Floor High
Limit
There are four time periods for each program (WAKE, LEAVE,
RETURN, SLEEP).
86
(Only displayed
if remote sensor
setting is set
to 3)
86
HIGH LIMIT
A Note About Auto Changeover:
This setting allows you to set
a minimum floor temperature
limit for heat. Heat will turn on
automatically when the floor
temperature is below this value.
Note: Only shows when REOP is
set to 3.
Use the or keys to
select the Low Limit for the
floor sensor.
In Auto you have the ability to switch between Auto Heat or Auto Cool
by pressing the system key. This can be done once the current mode has
reached its setpoint. For example: if in Auto Heat, the heat setpoint must
be satisfied before the thermostat will allow you to switch to Auto Cool.
You can switch out of Auto by holding down the system key. To get back
into Auto, you must toggle the system key to Auto.
Floor Low
Limit
35 - 120
50
(Only displayed
if remote sensor
setting is set to 3)
50
LOW LIMIT
20
19
| General | Details |
|---|---|
| Name | PRO T755 Universal Thermostat Installation Guide |
| Make | Pro |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.43 MB |
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