T755WHO
Installation Manual
Thermostat Application Guide
Description
Gas or Oil Heat
Electric Furnace
Heat Pump (No Aux. or Emergency Heat)
Heat Pump (With Aux. or Emergency Heat)
Multi-Stage Systems
Heat Only Systems
Cool Only Systems
Millivolt
Yes
Yes
Yes
Yes
Yes
No
Power Type
Battery Power*
Hardwire (Common Wire)
Hardwire (Common Wire) with
Battery Backup
Table of Contents
Installation Tips
Private Label Badge
Thermostat Quick Reference
Wireless Communication Tips
Connecting To The PROsync
Wireless System
Wiring The Equipment Module
Wiring
Benets To Using The PROsync
Wireless System
Technician Setup Menu
Setting the Humidity
Programming
Specications
Page
A trained, experienced
technician must install this
product.
Carefully read these
instructions. You could damage
this product or cause a
hazardous condition if you fail
to follow these instructions.
Una version en español de este
manual se puede descargar en
la pagina web de la compañia.
Rev. 2321
U.S. Registered Trademark. Patents pending
Copyright 2023 All Rights Reserved.
2-6
11
1
Yes
Yes
12
Installation Tips
2
Installation Tips
The thermostat should be installed approximately 4 to 5 feet above the
oor. Select an area with average temperature and good air circulation.
• Close to hot or cold air ducts
• That are in direct sunlight
• With an outside wall behind the thermostat
• In areas that do not require conditioning
• Where there are dead spots or drafts (in corners or behind doors)
• Where there might be concealed chimneys or pipes
Wall Locations
Pick an installation location that is easy for the user to access. The temperature
of the location should be representative of the building.
Installation Tip
Do not install thermostat in these locations:
3
4
Installation Tips
13-16
17-18
8-9
7
10
19-35
36
Humidity
Dual Fuel
Yes
Yes
Pro1 Technologies
Toll Free: 888-776-1427
Web: www.pro1iaq.com
Hours of Operation: M-F 9AM - 6PM Eastern
P.O. Box 3377
Springeld, MO 65808-3377
37-42
43-44
When performing an attic installation, instead of placing the
equipmentmodule in the attic, locate the closet nearest to the air
conditioning unit. We reccomend mounting the Equipment module
high on the wall inside the closet or on the ceiling of the closet. This
location will insure the equipment module is below the 150°F
maximum ambient temperature specication while also allowing easy
technician viewing.
Installation Tips
Do not install the base module in locations:
• That are behind a chimney
• Where temperature could exceed 150°F
• Where rain or snow or extreme hot or cold is possible
Note: This base module is NOT weatherproof.
Equipment Module -Attic Location
The PROsync System has been tested in many dierent types of building construction including wood, steel beam, and brick in spaces over
5500 square feet. The wireless range performs well across multiple oors successfully. The PROsync radios constantly search for open
channels to avoid interference and ensure messages are received. The PROsync system has been shown to reliably transmit data across
hundreds of feet indoors and over 1000 feet line of sight.
Living space
closet
Attic
Good
Living Space
Good
Good
No
Wireless Range
Equipment Module - Basement Location
*PM-T755WHO-IM-2321*
PM-T755WHO-IM-2321
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