Pro 1 IAQ T755WHO User manual

T755WHO Operation Manual
T755WHO Operation Manual
*PM-T755WHO-OM-2321*
PM-T755WHO-OM-2321

U.S. Registered Trademark. Patents pending
Copyright 2023 All Rights Reserved.
T755WHO
1
Table of Contents
Table of Contents
Thermostat Operation
Thermostat Quick Reference
Programming
Features
Warranty Information
Page
2-3
4-7
8-10
1
Una version en español de este
manual se puede descargar en la
pagina web de la compañia.
Equipment damage hazard.
Do not operate the cooling
system if the outdoor
temperature is below 50 ˚F
(10 ˚C) to prevent possible
compressor damage.
Caution
Rev. 2321
11
12
Pro1 Technologies
P.O. Box 3377
Springeld, MO 65808-3377
Toll Free: 888-776-1427
Web: www.pro1iaq.com
Hours of Operation: M-F 9AM - 6PM Eastern

3
Thermostat OperationThermostat Operation
2
Glow in the dark light button
System Button
Temperature Setpoint
Buttons
The glow in the dark light
button will self illuminate
for several hours after
exposure to ambient light.
This button turns on the
display light when pressed.
Selects the operation mode
on your HVAC system.
Selecting HEAT turns on
the heat mode. Selecting
COOL turns on the cool
mode. Selecting OFF turns
both heating and cooling
o. (EM HEAT will appear as
an option if operating a heat
pump. EM HEAT setting will
turn on emergency heat)
Press the or
buttons to select the
desired room temperature.
Occupancy Sensor
LCD Display
See page 6 for details about
this display read out.
Fan Button
Select ON, or AUTO. The
ON setting will run the fan
continuously. The AUTO
setting will cycle the fan on
only when the heating or
cooling system is on.
Private Label Badge
This feature is used to
detect motion to determine
if the room is occupied.
User Program Buttons
Shows dierent menu
options.

Thermostat Quick Reference
The low battery indicator is displayed when the AA battery
power is low. Replace the batteries when the indicator appears.
If the system is in the low battery state for an extended period,
the system will operate with reduced temperature control. If
batteries power is lost, the system will cease operation.
Important:
4
Battery Door Information
5
Thermostat Quick Reference
Insert 2 AA Alkaline batteries (included) located
in the back of the thermostat. High quality
Alkaline batteries are recommneded.
Battery installation is
optional if thermostat is
hardwired (R and C
terminal connected to
24V power).

67
Thermostat Quick Reference Thermostat Quick Reference
Em.Heat
AutoCool
AutoIAQ
Set At
On LHM
Tech Set
Set Sched
Next
Run Sched
Set Time
Hold
Done
Menu
Prev HOLD
STAGES
1+2+3+4
COOL ON
HEAT ON
FAN ON
Humidity
Zone
Yes
Humidity %
Outdoor AMPM
SunMonTue
WedThuFriSat
REMOTE
WAKELEAVE
RETURN
SLEEP
Indicates the current room temperature
Time and day of the week
Setpoint: Displays the selected setpoint temperature.
Hold is displayed when the thermostat program is permanently overridden.
System Operation Indicators:
The COOL ON, HEAT ON, or FAN ON will display when the COOL, HEAT, or
FAN is on. The compressor delay feature is active if these are ashing.
Low Battery Indicator: Replace batteries when this indicator is shown.
Menu Options: Shows dierent options.
Program Time Periods: This thermostat has 4 programmable time periods
per day.
System: Indicates current mode of operation.
Stages: 1 will appear in the display when the rst stage of heat or cool is on, +2
will appear for the second stage, +3 for third stage and +4 for fourth stage.
1
2
3
7
8
Globe: Globe is displayed if an energy ecient temperature has been selected.
Keypad Lockout: Indicates keypad lockout state is“Locked”.
Radio Antenna: This icon blinks when the thermostat receives a message
from the equipment module.
Fan Mode: Indicates current air handler fan mode of operation.

Setting the Humidity Setting the Humidity
Setting Target Humidity Setpoint
Follow the steps below to change your target humidity setpoint.
Press the HUMIDITY key
Use the or key to select the target humidity setpoint.
Press DONE when completed.
Note:
Humidity is only energized during heat. Dehumidify is only
energized during cool. Heat and Cool each have their own target
setpoints.
89
Setting Target Humidity Setpoint
Ambient humidity will ash in the time eld when when Humidify or
De-humidify Tech settings are ON.
HUMIDIFY ON will appear on the main screen when the
Humidity terminal is energized. DEHUMIDIFY ON will appear when the dehu-
midify terminal is energized.
HUMIDITY KEY TARGET HUMIDITY
SETPOINT KEYS Humidity % Humidity %

Setting the Humidity Programming
10 11
Outside
Temperature (0˚F) Recommended Relative Humidity
+20˚ and above 35% to 40%
+10˚ 30%
0˚ 25%
-10˚ 20%
-20˚ 15%
Recommended Heating Settings:
The table below shows recommended indoor humidity levels in
relation to outdoor temperatures during heating (adding humidity).
Consult your professional HVAC technician for recommended settings
for your climate.
Recommended Cooling Settings:
Temporary & Permanent Hold Feature
Temporary hold: The thermostat will display HOLD and RUN SCHED on the
left side of your screen when you press the or key. If you do
nothing, the temperature will remain at this setpoint temporarily for 4 hours.
Your program setpoint will then replace your temporary setpoint.
Permanent hold: If you press the HOLD key at the left side of your screen
you will see HOLD appear below the setpoint temperature in the display. The
thermostat will now permananetly stay at this setpoint and can be adjusted
using the or keys.
To return to program: Press the RUN SCHED key at the left of your screen to
exit either temporary or permanent hold.
If your installing contractor has congured the
thermostat to remind you when the air lter
needs changed, you will see CHANGE FILTER in
the display when your air lter needs changed.
The reminder will be shown in the display after
your system has run long enough to require an
air lter change.
To reset the timers for Prosync, user must hold
the “Run Schedule”button (2nd button down on
the left) on either the main screen, or the related
timer tech settings.
Filter Change

Programming Programming
Set Time
Follow the steps below to set the day of the week and current time:
1. Press the MENU button.
2. Press SET TIME.
3. Day of the week will be ashing. Use the or key to
select the current day of the week.
4. Press NEXT.
5. The current hour is ashing. Use the or key to
select the current hour. When using 12-hour time, make sure
the correct a.m. or p.m. choice is selected.
6. Press NEXT.
7. Minutes are now ashing. Use the or key to
select current minutes.
8. Press DONE when completed.
(If using programming)
You will see a Tech Set option after the MENU key is pressed.
This Tech Set key is for installer conguration and should NOT be
changed unless you consult your professional heating and air
conditioning technician.
Important:
Set Program Schedule 5+1+1 or 7 Day
1. Select HEAT or COOL with the system switch. Note: You have
to program heat and cool each seperately.
2. Press the MENU button (If menu does not appear rst press RUN SCHED)
3. Press SET SCHED. Note: Monday-Friday or (Monday if in 7 Day)
is displayed and the WAKE icon is shown. You are now
programming the wake time period for that day.
4. Time is ashing. Use the or key to make your time
selection for that day’s WAKE time period. Note: If you want
the fan to run continuously during this time period, select
ON with the FAN key
5. Press NEXT STEP
6. The setpoint temperature is ashing. Use the or
key to make your setpoint selection for that day’s WAKE time
period.
7. Press NEXT STEP
8. Repeat steps 4 thru 7 for that day’s LEAVE time period,
RETURN time period, and SLEEP time period.
To customize your Program schedule, follow these steps:
Continued on next page...
12 13

Programming
14 15
Set Program Schedule 5+1+1 or 7 Day (continued)
Warranty Information
Repeat steps 4 through 7 for the Saturday WAKE time period, LEAVE time
period, RETURN time period, and for the Saturday SLEEP time period.
Saturday:
Repeat steps 4 through 7 for the Sunday WAKE time period, LEAVE time
period, RETURN time period, and for the Sunday SLEEP time period.
Sunday:
If using 7-Day Programming:
Use these same steps for every individual day.
Warranty Registration
Your new thermostat has a 5 year limited warranty. You must register
your thermostat within 60 days of installation. Without this
registration the warranty period will begin on date of manufacture.
For warranty issues please contact the HVAC professional that
installed this product. Please register your new thermostat online.
Please Register Your Thermostat Here
www.pro1iaq.com/warranty

www.pro1iaq.com
For More Information
About Your Thermostat
Scan Here
www.pro1iaq.com/t755who