Pro1 IAQ T805 Install Instructions

This manual covers the following models:

• T805

INSTALLATION MANUAL

Thermostat Applications Guide

noitpircseD

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

Table of Contents

Installation Tips
Thermostat Quick Reference
Subbase Installation
Wiring
Wiring Diagrams
Technician Setup Menu
Mounting and Battery Installation
Programming The Thermostat
Specifications

Yes

Yes

Yes

No

No

Yes

Yes

Yes

Page

2
3
4
5
6

7-9

10

11-13

14

Power Type

Battery Power
Hardwire (Common Wire)
Hardwire (Common Wire) with Battery Backup

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.

Need Help?

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

® U.S. Registered Trademark. Patents pending.
Copyright © 2006 Pro1 IAQ, Inc. All rights reserved.

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)

Rev. 0850

1

Wall locations

The thermostat should be installed approximately 4 to 5 feet above the floor.
Select an area with average temperature and good air circulation.

INSTALLATION TIPS

NO NO YES

NO

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

PRO1 Tip

Pick an installation location that is easy for the user to access. The temperature of the location
should be representative of the building.

2

Getting to know your thermostat

2

1

7

3 4

8

2

Glow in the Dark Light Button

Fan Button

3

System Button

4

Menu Buttons Access Door

5

Temperature Setpoint Buttons

6

Menu Button

7

User Program Buttons

8

LCD

1

Days of the
week and time

6

Programmable
Time Period Icons:

This thermostat has
4 programmable time
periods per day.

Program Menu Options:

Shows different options
during programming.

Indicates the current
room temperature

Displays the user
selectable setpoint
temperature.

Hold is displayed when
thermostat program is
permanently overridden.

System operation
indicators: The COOL,

HEAT or FA N 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.

Low Battery Indicator:
Replace batteries when
this indicator is shown.

5

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.

3

SUBBASE INSTALLATION

Caution:
Electrical Hazard

Failure to disconnect the
power before beginning to
install this product can cause
electrical shock or equipment
damage.

For vertical mount put
one screw top and one
screw bottom.

For horizontal mount put
one screw left and one
screw right.

Mercury Notice:

All of Pro1’s 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.

Vertical mount

Horizontal mount

UP

C

O

B

W

RH

RC

Horizontal mount

G

Y

Vertical mount

4

WIRING

Caution: Electrical Hazard

Failure to disconnect the power
before beginning to install this
product can cause electrical
shock or equipment damage.

Wiring

1.

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 G terminal.

2.

Loosen the terminal block screws. Insert
wires then retighten terminal block screws.

3.

Place nonflammable insulation into wall
opening to prevent drafts.

Warning:

All components of the control
system and the thermostat
installation must conform to
Class II circuits per the NEC Code.

Terminal Designations

Heat relay

W

Compressor relay

Y

Fan relay

G

Heat pump changeover valve

O

energized in cooling

Transformer power for cooling

RC

PRO1 Tips:

RH & RC terminals

For single transformer systems, leave the jumper
wire in place between RH and RC. Remove jumper
wire for two transformer systems.

Heat pump systems

If wiring to a heat pump, use a small piece of wire
(not supplied) to connect terminals W and Y.

Transformer power for heating

RH

Heat pump changeover valve energized

B

in heating

Common wire from secondary side

C

of cooling system transformer or for
heat only system transformer

C terminal

The C (common wire) terminal does not
have to be connected when the
thermostat is powered by batteries.

Wire specifications

Use shielded or non-shielded
18 - 22 gauge thermostat wire.

5

WIRING DIAGRAMS

Power supply

Factory-installed jumper. Remove only when installing on 2-transformer systems.

Use either O or B terminals for changeover valve.

Use a small piece of wire (not supplied) to connect W and Y terminals.

Set fan operation switch to electric

Optional 24 VAC common connection when thermostat is used in battery power mode.

Typical 1H/1C system: 1 transformer

C

RC

RH

Y

C

2

COMPRESSOR

6

R

RELAY

W

G

FAN RELAY

HEAT RELAY

Typical 1H/1C heat pump system

C

L2

RC
RH

2

COMPRESSOR

Y
C

4

RELAY

6

W
G

5

FAN RELAY

L1 (HOT)

1

R

COOL CHANGE

OVER VALVE

HEAT CHANGE

OVER VALVE

L2

L1 (HOT)

1

Typical 1H/1C system: 2 transformer

REMOVE JUMPER

RC
RH

Y
C

W

G

2

COMPRESSOR

HEAT RELAY

RELAY

6

FAN RELAY

C

L2

L1 (HOT)

1

R

C

L2

L1 (HOT)

1

R

Typical heat-only system

C

RC

2

RH

Y

C

3

O

B

W

G

6

HEAT RELAY

L2

L1 (HOT)

1

R

Typical heat-only system with fan Typical cool-only system

2

COMPRESSOR

6

RELAY

FAN RELAY

RC

RH

C

2

Y

C

6

L2

L1 (HOT)

1

R

W

G

FAN RELAY

HEAT RELAY

RC
RH

Y

C

W

G

C

L2

L1 (HOT)

1

R

6

Technician Setup Menu

This thermostat has a technician setup menu
for easy installer configuration. To set up the
thermostat for your particular application:

Press MENU button

1.

Press and hold TECHNICIAN SETUP

2.

button for 3 seconds. This 3 second delay
is designed so that homeowners do not
accidentally access the installer settings.

Tech Setup Steps

TECHNICIAN SETUP MENU

3.

Configure the installer options as
desired using the table below.

Use the or keys to
change settings and the NEXT STEP
or PREV STEP key to move from one
option to another. Note: Only press
DONE key when you want to exit the
Technician Setup options.

Filter

Change

Reminder

This feature will
flash FILT in the
display after the
elapsed run time
to remind the
user to change the
filter. A setting of
OFF will disable
this feature.

You can adjust
the filter change
reminder from
OFF to 2000
hours of runtime
in 50 hour
increments.

Room

Temperature

Calibration

This feature allows
the installer to
change the
calibration of the
room temperature
display. For
example, if the
thermostat reads 70°
and you would like it
to read 72° then
select +2.

You can adjust the
room temperature
display to ready -4°F
to +4°F above or
below the factory
calibrated reading.

Minimum

Compressor

On Time

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.

You can select the
minimum compressor
run time from “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 off.

Compressor

Short Cycle

Delay

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 off.

Selecting ON will not
allow the compressor
to be turned on for 5
minutes after the last
time the compressor
was on. Select OFF
to remove this delay.

Cooling

Swing

The swing setting,
often called “cycle
rate”, “differential”
or “anticipation” is
adjustable. A smaller
swing setting will
cause more frequent
cycles and a larger
swing setting will
cause fewer cycles.

The cooling swing
setting is adjustable
from ±0.4°F to
±2°F. For example:
A swing setting of

0.5°F will turn the
cooling on at
approximately 0.5°F
above the setpoint
and turn the cooling
off at approximately

0.5°F below the
setpoint.

Heating

Swing

The swing setting,
often called “cycle
rate”, “differential”
or “anticipation” is
adjustable. A
smaller swing setting
will cause more
frequent cycles and a
larger swing setting
will cause fewer
cycles.

The heating swing
setting is adjustable
from ±0.4°F to
±2°F. For example:
A swing setting of

0.5°F will turn the
heating on at
approximately 0.5°F
below the setpoint
and turn the heating
off at approximately

0.5°F above the
setpoint.

Keypad
Lockout

Keypad lockout
allows you to
configure the
thermostat so that
none or some of
the keys do not
function.

Pick PA or FU

PA = partial keypad
lockout, which locks
all the keys except the
or keys.

FU = Full keypad
lockout, which locks
out all the keys.

Note: Keypad lockout
instructions are below.

OFF 0 ºF OFF ON 0.5 ºF 0.4 ºF NA

Note: To lock the keypad hold down the and keys for 3

seconds. You will see a lock in the display. To unlock the keypad

TECH SETUP

STEPS CONTINUED

ON THE NEXT PAGE

hold down the and keys for 3 seconds.

7

Tech Setup Steps (Continued from the previous page)

TECHNICIAN SETUP MENU

Heating

Temperature

Setpoint Limit

This feature
allows you to set a
maximum heat
setpoint value.
The setpoint
temperature
cannot be raised
above this value.

LCD Will Show

Adjustment Options

Use the or
key to select the
maximum heat
setpoint.

Cooling

Temperature

Setpoint Limit

This feature
allows you to set a
minimum cool
setpoint value.
The setpoint
temperature
cannot be lowered
below this value.

Use the or
key to select the
minmum cool
setpoint.

ºF or ºC

Select F for
Fahrenheit
temperature read
out or select C for
Celsius read out

ºF for Fahrenheit

ºC for Celsius

12 or 24

Hour Clock

You can select
either a 12 or 24
hour clock setting.

Use the or
key to select 12 or 24
hour clock.

Fan

Operation

Select GAS for
systems that
control the fan
during a call for
heat. Select ELEC
to generate the
fan when the fan
relay is connected
to the G terminal.

GAS

or

ELEC

Morning

Recovery

This feature turns your
system on before the
WAKE programming
time to ensure the
enviroment is at the
WAKE setpoint when
the WAKE time period
begins. This recovery
changes over time
based on the previous
day’s experience.

Use the or
key to turn on or off.

Program

Options

You can configure this
thermostat to have a
7 day program, a
5+1+1 program or
nonprogrammable.

Use the or
key to select 7d for 7
day, 5d for 5+1+1,
or 0d for
nonprogammable.

Factory Default Settings

90 ºF

44 ºF

ºF

12 Hour Clock

GAS

ON

TECH SETUP

STEPS CONTINUED

ON THE NEXT PAGE

PRO1 Tip

Temperature swing, sometimes called differetial or cycle rate, can be customized for this
individual application. For most applications choose a swing setting that is as long as possible
without making the occupants uncomfortable.

5d

8

Tech Setup Steps (Continued from the previous page)

TECHNICIAN SETUP MENU

Display

Light

The display light can
be configured to
come on when any
key is pressed or
only when the light
key is pressed.

LCD Will Show

Adjustment Options

OFF configures
display light to come
on only with the light
key, which will save
battery power.

ON configures the
display light to come
on when any key is
pressed.

Contractor

Call Number

Allows you to put
your phone number
in the display.

You can choose
ON or OFF

If selected on, you
will see the input
screen after pressing
next step.

Use the or
key to select the
desired number and
the FAN or SYSTEM
key to move from
one character to
another. See note
below on operation.

Beep System

When any key is
pressed an audible
beep will sound.
There is an ON
or an OFF.

If ON is selected the
beep will sound. If

OFF is selected, there
is no sound.

You can configure the
system switch for the
particular application:
Heat - Off - Cool,
Heat - Off,
Cool - Off,
Heat - Off - Cool - Auto

Use the or
key until the desired
application is
flashing.

Switch

Factory Default Settings

ON OFF ON

Heat - Off - Cool

Note: If Contractor Call Number is selected ON, your phone number

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.

9

MOUNT THERMOSTAT & BATTERY INSTALLATION

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.

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

10

PROGRAMMING THE THERMOSTAT

Set Time

Follow the steps below to set the day of the week and current time:

1.

Press MENU

2.

Press SET TIME

3.

Day of the week will be flashing. Use the or key to select the current
day of the week.

4.

Press NEXT STEP

5.

The current hour is flashing. 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 STEP

7.

Minutes are now flashing. Use the or key to select current minutes

8.

Press DONE when completed

Programming

All programmable Pro1 thermostats are shipped with an energy saving pre-program. You can customize this
default program by following the Set Program Schedule.

Your thermostat can be programmed to have each day of the week programmed uniquely (7 days), all the
weekdays the same, a separate program for Saturday, and a separate program for Sunday (5+1+1), or non­programmable. This thermostat has a programmable fan feature, which allows you to run the fan continuously
during any time period. There are four time periods for each program (WAKE, LEAVE, RETURN, SLEEP).

Factory Default Program

Day of the

Week

Weekday

Saturday

TimeEvents

Setpoint

Temperature (Heat)

Wake 6 a.m. 70° F (21° C) 75° F (24° C)

Leave 8 a.m. 62° F (17° C) 83° F (28° C)

Return 6 p.m. 70° F (21° C) 75° F (24° C)

Sleep 10 p.m. 62° F (17° C) 78° F (26° C)

Wake 8 a.m. 70° F (21° C) 75° F (24° C)

Leave 10 a.m. 62° F (17° C) 83° F (28° C)

Setpoint

Temperature (Cool)

Sunday

Return 6 p.m. 70° F (21° C) 75° F (24° C)

Sleep 11 p.m. 62° F (17° C) 78° F (26° C)

Wake 8 a.m. 70° F (21° C) 75° F (24° C)

Leave 10 a.m. 62° F (17° C) 83° F (28° C)

Return 6 p.m. 70° F (21° C) 75° F (24° C)

Sleep 11 p.m. 62° F (17° C) 78° F (26° C)

11

PROGRAMMING THE THERMOSTAT

You can use the table below to plan your customized program schedule if using 5+1+1.

Programming Table

Day of the

Week

Weekday

Saturday

Sunday

Wake

Leave

Return

Sleep

Wake

Leave

Return

Sleep

Wake

Leave

Return

Sleep

TimeEvents

Setpoint

Temperature (Heat)

Setpoint

Temperature (Cool)

Set Program Schedule

To customize your 5+1+1 program schedule, follow these steps

Weekday:

1.

Select HEAT or COOL using the SYSTEM key.
Note: You have to program heat and cool each

separately.

2.

Press MENU

3.

Press SET SCHED. Note: Monday-Friday is displayed and the
WAKE icon is shown. You are now programming the WAKE time
period for the weekday setting.

4.

Time is flashing. Use the or key to make your time
selection for the weekday 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 flashing. Use the or key
to make your setpoint selection for the weekday WAKE period.

7.

Press NEXT STEP

8.

Repeat steps 4 through 7 for weekday LEAVE time period, for
weekday RETURN time period, and for weekday SLEEP time
period.

Saturday:

9.

Repeat steps 4 through 7 for
Saturday WAKE time period,
for Saturday LEAVE time
period, for Saturday RETURN
time period, and for Saturday
SLEEP time period.

Sunday:

10.

Repeat steps 4 through 7 for
Sunday WAKE time period,
for Sunday LEAVE time
period, for Sunday RETURN
time period, and for Sunday

SLEEP time period.

12

PROGRAMMING THE THERMOSTAT

To customize your 7 day program schedule, follow these steps:

1.

Select HEAT or COOL using the system key. You have to program heat and cool each separately.

2.

Press MENU

3.

Press SET SCHED
Note: Monday is displayed and the WAKE icon is shown. You are now programming the WAKE

time period for the Monday setting.

4.

Time is flashing. Use the or key to make your time selection for the Monday 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 flashing. Use the or key to make your setpoint selection
for the Monday WAKE period.

7.

Press NEXT STEP

8.

Repeat steps 4 thru 7 for Monday LEAVE time period, for Monday RETURN time period, and for
Monday SLEEP time period.

Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday

Repeat steps 4 thru 7 for the remaining days of the week.

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.

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 &
cold spots in your building.

13

Specifications

Pro1 IAQ Inc.

1111 S. Glenstone
Suite 2-100
Springeld, MO 65804

Toll-free: 1-888-Pro1iaq (776-1427)
Toll Number (Outside the USA): 330-821-3600
Web: http://www.pro1iaq.com
Hours of Operation: Monday - Friday 9 AM - 6 PM Eastern

SPECIFICATIONS & CONTACT INFORMATION

The display range of temperature
The control range of temperature
Load rating
Display accuracy
Swing (cycle rate or differential)

Power source

Operating ambient
Operating humidity
Dimensions of thermostat

41ºF to 95ºF (5ºC to 35ºC)
44ºF to 90ºF (7ºC to 32ºC)
1 amp per terminal, 1.5 amp maximum all terminals combined
± 1ºF
Heating is adjustable from 0.4ºF to 2.0ºF
Cooling is adjustable from 0.4ºF to 2.0ºF
18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire (common wire)
Battery power from 2 AA Alkaline Energizer batteries
32ºF to +105ºF (0º to +41ºC)
90% non-condensing maximum

4.7”W x 4.4”H x 1.1”D

14