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Pro1 Technologies
P.O. Box 3377
Springeld, MO 65808-3377
Toll Free : 888-776-1427
Web: www.pro1iaq.com
Hours of Operation: M-F 9AM - 6PM EST
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
Yes
Yes
No
Table of Contents
Installation Tips
Thermostat Quick Reference
Subbase Installation
Wiring
Technician Setup
WIFI Setup & Specications
Page
2
3
4
5-7
8-10
Power Type
Hardwire (24V Common Wire)
Rev. 2224
1
1
1
1
Una version en espanol de este
manual se puede descargar en la
pagina web de la compania.
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.
T721i
Product Installation Guide Installation Tips
Wall Installation
The thermostat should be installed approximately 4 to 5 feet above the oor.
Select an area with average temperature and good air circulation. Pick an
installation location that is easy for the user to access. The temperature of the
location should be representative of the building.
Removing The Private Label Badge
Gently slide a screwdriver into the
bottom edge of the badge. Gently
turn the screwdriver counter
clockwise. The badge is held on by
a magnet in the well of the battery
door. The badge should pry o easily.
DO NOT USE FORCE.
All of our thermostats use the same
universal magnetic badge. Visit the
company website to learn more about
our free private label program.
4
4
4
4
Thermostat Quick Reference
3
3
3
3
2
2
2
2
Vertical Mount
Horizontal Mount
For horizontal mount put one
screw on the left and one screw
on the right.
All of our products are mercury free.
However, if the product you are replacing
contains mercury, dispose of it properly.
Your local waste management authority
can give you instructions on recycling and
proper disposal.
Mercury Notice
Failure to disconnect the power before
beginning to install this product can cause
electrical shock or equipment damage.
Electrical Hazard
Subbase Installation
For vertical mount put one
screw on the top and one screw
on the bottom.
Mount Thermostat
Align the 4 tabs on the subbase
with corresponding slots on the
back of the thermostat, then push
gently until the thermostat snaps
in place.
NOTE: To ensure a solid t between
the thermostat and subbase:
1. Mount subbase on a at wall.
2. Use provided screws.
3. Ensure drywall anchors are ush with wall.
4. Push wires into wall.
WIFI
Frequency Range............2.4 Ghz ISM radio band
WIFI Module...............................Supporting 802.11
B/G/N Standards
10-12
Do not install
thermostat in locations:
• 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
Magnet in door
Use the bevel on lower ridge
U.S. Registered Trademark. Patents pending
Copyright 2022 All Rights Reserved.
Set At
Glow in the dark light button
Fan Button
System Button
Temperature Setpoint Buttons
LCD Display
Private Label Badge
Em.Heat
AutoCool
Set At
STAGES
COOL ON
HEAT ON
FAN ON
Indicates the current room temperature
Setpoint: Displays the selected setpoint temperature.
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.
System: Indicates current system mode setting.
Stages: +1 will appear in the display when the rst stage of heat or cool is
on. +2 will appear for the second stage of heat.
1
2
3
7
Globe: Globe is displayed if an energy ecient temperature has been selected.
Fan: Indicates the current fan setting.
Set At
WIFI Indicator: Shown when connected to WiFi.
*VM-721i-IM-2224*
VM-721i-IM-2224
5
5
5
5
Wiring
8
8
8
8
Wiring
7
7
7
7
6
6
6
6
Technician Setup Menu
Power Supply
1
2
3
Factory-installed jumper,
remove only when installing on 2-transformer system.
Use either O or B terminals for changeover valve.
4
A 24 VAC 500mA common connection is required with this thermostat.
Wiring
Replacement Thermostat Wiring
If you are replacing a thermostat, make
note of the terminal connections on the
thermostat that is being replaced. In some
cases the wiring connections will not be
color coded. For example, the green wire
may not be connected to the terminal.G
Loosen the terminal block screws. Insert
wires then retighten terminal block screws.
Place nonammable insulation into wall
opening to prevent drafts.
1.
2.
3.
This thermostat requires a 24V common
wire to the C terminal.
4.
Caution:
Electrical Hazard
All components of the control system
and the thermostat installation must
conform to Class II circuits per the
NEC Code.
Warning:
Do not overtighten terminal block screws, as this can damage the terminal block.
A damaged terminal block can keep the thermostat from tting on the subbase
correctly or cause system operation issues.
Installation Tip
Max Torque = 6in-lbs.
Failure to disconnect the power
before beginning to install this
product can cause electrical shock or
equipment damage.
Wiring Chart
For all systems, the following terminals are wired according to whether you have a
single or dual transformer system as shown:
SINGLE
TRANSFORMER
SYSTEM
DUAL
TRANSFORMER
SYSTEM
RH RC C G
24 VAC HOT
JUMPER SHOULD REMAIN
INSTALLED
24 VAC-Heat
*REMOVE PROVIDED
JUMPER
24 VAC-Cool
*REMOVE PROVIDED
JUMPER
24 VAC Common
500mA
*FROM COOL
TRANSFORMER
Blower / Fan
Blower / Fan
24 VAC Common
500mA
*FAILURE TO REMOVE PROVIDED JUMPER ON DUAL TRANSFORMER INSTALLATIONS COULD CAUSE SEVERE DAMAGE TO HVAC SYSTEMS
O Terminal
B Terminal
Heat pump changeover valve-- Energized during cooling
Heat pump changeover valve-- Energized during heating
If using in Heat Pump without Auxiliary or Emergency heat application,
please see wiring diagram on previous page.
Note: Devices such as a oat switch that mechanically break circuits should be
installed so that they break the control wire (Y) not the power (R). Interrupting the
power circuit will shut o power to the thermostat completely and not allow it to
operate.
To enter tech setup:
1. Press and hold the + and - buttons for 3 seconds.
2. Press and hold the TECH button for 3 seconds.
3. Congure the installer options as desired using the table below. Use the + or - buttons to
change settings and the lower left and right buttons to move from one step to another.
4. To exit tech setup: press and hold the + and - buttons for 3 seconds, or wait 60 seconds.
Tech Setup Steps
Adjustment Options
Default
LCD Will Show
Swing Setting Tip
Temperature swing, sometimes called dierential or cycle rate, can be customized
for this individual application. For most applications choose a swing setting that is
as wide as possible without making the occupants uncomfortable.
O
This feature allows the installer to
change the calibration of the room
temperature display. For example, if the
thermostat reads 70 degrees and you
would like it to read 72 then select +2.
0
Room
Temperature
Calibration
You can adjust the room
temperature display to read
4˚above or below the factory
calibrated reading.
ON
The compressor short cycle delay
protects the compressor from “short
cycling”. This feature will not allow
the compressor to be turned on for 5
minutes after it was last turned o.
Compressor
Short Cycle
Delay
The swing setting often called “cycle
rate”, “dierential”, or “anticipation” is
adjustable. A smaller swing setting will
cause more frequent cycles and a larger
swing setting will cause fewer cycles.
Cooling
Swing
Heating
Swing
COMP DELAY
COOL SWING
0.8
HEAT SWING
The swing setting often called “cycle
rate”, “dierential”, or “anticipation” is
adjustable. A smaller swing setting will
cause more frequent cycles and a larger
swing setting will cause fewer cycles.
0.8
The cooling swing setting is
adjustable from 0.2˚ to 2˚. A
swing setting of 0.5˚will begin
cooling at approximately 0.5˚
above the setpoint and stop
approximately 0.5˚ below the
setpoint.
The heating swing setting is
adjustable from 0.2˚ to 2˚. A
swing setting of 0.5˚will begin
heating at approximately 0.5˚
below the setpoint and begin
approximately 0.5˚ above the
setpoint.
CALIBRATE
When set to ON this thermostat
will operate a heat pump system
(default). If set to OFF this
thermostat will operate a
conventional system, and the next
tech step will not appear.
ON - Congured to operate
heat pump system.
OFF - Congured to operate
conventional system
See page 5 for terminal
designations.
Heat Pump
ON
Selecting “ON” will not allow
the compressor to be turned
on for 5 minutes after the
last time the compressor was
switched o. Select “OFF” to
remove this delay.
HEAT PUMP
0.8
0.8
REMOVE JUMPER
Typical 2H/1C Heat Pump System
RC
RH
Y
C
W/E
G
W2
COMPRESSOR
RELAY
FAN RELAY
AUXILIARY
HEAT RELAY
EMERGENCY
HEAT RELAY
COOL CHANGE
OVER VALVE
HEAT CHANGE
OVER VALVE
C
R
L2
L1(HOT)
O
B
9
9
9
910
10
10
10
11
11
11
11 12
12
12
12
This feature controls the number
of stages in Emergency Heat
mode. It only appears if the
Technician Setup Step for HEAT
PUMP is ON.
Use the or key to
select 1-stage or 2-stage
operation.
1
Tech Setup Steps
Adjustment Options Default
LCD Will Show
This feature allows the thermostat
to keep multiple stages of heat
energized until setpoint is
satised.
Use the or key to
turn ON or OFF.
Satisfy
Setpoint
OFF
This feature allows a delay to occur
when a second stage is needed.
This allows the previous stage
extra time to satisfy setpoint.
Use the or key to
select OFF, 5, 10, 15, 30, 45,
60, or 90 minutes.
Staging
Delay
OFF
For Dual Fuel applications (Gas/
Fossil fuel Auxiliary Heat), turn
this setting ON to LOCKOUT the
Heat Pump (Y) when Auxiliary
Heat (W2) is on. If desired- This can
also be used with Electric Auxiliary.
OFF will allow Y(1st stage of
Heat) and W2 (Aux Heat) to run
together if called for.
ON Will de-energize Y terminal
45 seconds after a call for
Auxiliary Heat (W2).
OFF
This feature allows you to set a
maximum heat setpoint value. The
setpoint temperature cannot be raised
above this value.
Heating
Setpoint
Limit
HEAT LIMIT
90
COOL LIMIT
50
Cooling
Setpoint
Limit
This feature allows you to set a
minimum cool setpoint value. The
setpoint temperature cannot be raised
above this value.
1
DUAL FUEL
OF
SATISFY SP
OF
STG DELAY
OF
90
50
Emergency
Heat Stages
Dual Fuel
Auxiliary for
Heat Pump
(Only displayed if Emergency
Heat is set to ON)
(Only displayed if Heat Pump
is set to ON)
Use the + and - buttons to select
the minimum cool setpoint.
Use the + and - buttons to select
the maximum heat setpoint.
Operation of the FAN & SYSTEM button when connected to
WIFI and running a programmable schedule from the app:
When the set at temperature is changed while an app schedule is
running, the thermostat will enter a temporary hold, and the Fan and
System buttons change to RUN and HOLD for 15 seconds. If you wish to
enter PERMANENT HOLD press the HOLD button at this time.
If you don’t press the HOLD button when the HOLD icon appears the
thermostat will remain in temporary hold for 4 hours.
When connected to WIFI you may also have the ability to turn
programming ON or OFF by pressing and holding the FAN button for
3 seconds.
WIFI Setup
WIFI Setup & Specications
Specications
The display range of temperature ... 41˚F to 95˚F (5˚C to 35˚C)
The control range of temperature.... 44˚F to 90˚F (7˚C to 32˚C)
Load Rating............................................... 1 amp per terminal, 1.5 amp
maximum all terminals combined
Swing (cycle rate or dierential) ...... Heating is adjustable from 0.2˚ to 2.0˚
Cooling is adjustable from 0.2˚ to 2.0˚
Power source ...........................................18 to 30 VAC, NEC Class II, 50/60 Hz
for hardwire
Operating ambient ............................... 32˚F to +105˚F (0˚C to +41˚C)
Operating humidity .............................. 90% non-condensing maximum
Dimensions of thermostat ................. 4.7” W x 4.3” H x 0.9” D
Frequency Range..................... 2.4 Ghz ISM radio band
WIFI Module............................... Supporting 802.11
B/G/N Standards
Technician Setup Menu & WIFI Setup
Tech Setup Steps
Adjustment Options Default
LCD Will Show
This feature allows the installer
to select the minimum run
time for the compressor. For
example, a setting of 4 will force
the compressor to run for at
least 4 minutes every time the
compressor turns on, regardless
of the room temperature.
Minimum
Compressor
On Time
You can set the minimum
compressor run time to
“OFF”, “3”, “4”, or “5” minutes.
If 3, 4 or 5 is selected, the
compressor will run for at
least the selected time
before turning o. Use the
and buttons to
change the setting.
MIN COMP
OF
OFF
WIFI Setup
Select F for Fahenheit
temperature read out or select C
for Celsius read out.
F for Fahrenheit
C for Celsius
F or C
F
The display light can be congured to
operate 2 dierent ways. To come on
when Any Key is pressed, or stay on ALL
of the time.
Display
Light
ON - light always on
OFF - light on when any button
is pressed
DISP LIGHT
OFF
OF
WIFI
System Set
Heat
Off
Cool
SYSTEM SET
O
Em.Heat
AutoCool
You can congure the system
switch for the particular
application. Heat - O - Cool,
Heat - O, Cool - O, Heat - O -
Cool – Auto.
Note: Emergency Heat is available
in heat pump mode only.
Use the or buttons
until the desired application
is ashing. AUTO = (Auto
Changeover)
F OR C
A Note About Auto Changeover:
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 satised 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.
Technician Setup Menu
The following WIFI Technician steps are intended for viewing
information and resetting your WIFI connection. They are not typically
necessary for installation or initial setup.
1. Press and hold the + and – buttons together for 3 seconds.
2. Press and hold the WIFI Button on the lower left.
3. Use the + or - buttons to change settings and the lower left and right
buttons to move from one step to another. To exit tech setup: press and
hold the + and - buttons for 3 seconds or wait 60 seconds.
This displays the Thermostat
Firmware Identication Number
which can be used for trouble
shooting.
Tech Setup Steps
Adjustment Options Default
LCD Will Show
This step resets the WIFI
connection when needed allowing
you to reconnect to a new local
WIFI network.
Reset WIFI
WIFI RESET
Firmware
WIFI SSID
SSID
This displays the WIFI Firmware
Identication Number which can
be used for trouble shooting. If
the thermostat is not connected
to WIFI it will display “WIFI IDLE”.
N/A
FW
N/A
990914
FW011500
N/A
N/A
YES
Hold the button for
three seconds and you will
be returned to the home
screen. WIFI RESET will not
be displayed.
YES
This step resets the WIFI connection when needed for applications like
replacing WIFI routers, changing networks, or any other time you might
need to disconnect and reconnect your thermostat to a local WIFI
network.
1. Enter the WIFI Menu and cycle through the steps until you get to the
RESET WIFI setting.
2. Hold the + button for three seconds.
3. You will now be automatically returned to the home screen and “WIFI
RESET” network will be displayed indicating the thermostat is no longer
connected to the local WIFI network. You will need to recommission the
thermostat to control your system from the PRO1 Connect App.
WIFI Reset Process
Produktspecifikationer
| Varumärke: | Pro1 |
| Kategori: | Termostat |
| Modell: | T721i |
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