Honeywell T7525 User manual

RC24
Copyright © 1995 Honeywell Inc. • All Rights Reserved
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CLIMATE
PERFECT
User Guide
T7525/T7526 Thermostat Touchpad
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T7525/T7526 THERMOSTAT TOUCHPAD

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T7525/T7526 THERMOSTAT TOUCHPAD
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CONTENTS
What You Can Do
Using the Touchpad ........................................................................................................................... 1
Touchpad Screens ........................................................................................................................... 1
Temperature Control Functions ........................................................................................................................... 3
Temporarily Change the Setpoint Temperature Using
T7525A/T7526A Thermostat Touchpads (Manual Changeover) ..................... 3
Temporarily Change the Setpoint Temperature Using
T7525C/T7526C Thermostat Touchpads (Auto Changeover) ......................... 4
Hold the Temperature ......................................................................................... 5
Cancel the Temperature Hold ............................................................................. 5
Change the Program Setpoint Temperatures ...................................................... 6
Change the Time a Period Starts ........................................................................ 7
Change the Operating Mode of Heating/Cooling Equipment ............................... 8
Change the Operating Mode of Ventilation Equipment ........................................ 9
Change the Time and Day .................................................................................. 10

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T7525/T7526 THERMOSTAT TOUCHPAD

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T7525/T7526 THERMOSTAT TOUCHPAD
1
TOUCHPAD SCREENS
WHAT YOU CAN DO USING THE TOUCHPAD
Using the T7525/T7526 Thermostat Touchpad, you can easily adjust your energy
management heating/cooling system to keep your home comfortable, and at the same
time, conserve energy and lower your utility bills. Do this by using the following Easy-to
use™ functions programmed into the Touchpad:
•Hold Temperature—you can maintain a temperature until you manually cancel it.
•Settings and Schedules—you can:
—Change the setpoint temperature.
—Change the daily schedules.
•Heat/Cool Equipment—you can:
—Switch the system to HEAT, COOL, or OFF.
—Switch the fan to ON or AUTO.
•Ventilation—you can switch the fan to ON or AUTO.
•Present Time/Day—you can change the time and day.
TOUCHPAD SCREENS
The Base screen displays automatically after two minutes of inactivity at the Touchpad.
Backlighting is activated by pressing any key on the Touchpad. See the Backlighting
section for more information on backlighting.
Other screens display depending on which keys are pressed (Select, Back, or soft
keys).
The Touchpad will notify you when certain faults occur in your heating and cooling
system through messages displayed on the first line of the screen. Once the fault is
corrected, the fault message is automatically removed and the programmed text is
restored on the first line of the screen.
If the Touchpad is connected to a gateway utility, programmed utility options are
displayed on the top two lines of the first Options menu.
M4467
Set: C: 80
o
Actual: 80
o
Rate: NORMAL
12:25PM Mon
Warmer
Cooler
Options
Next
Select
Back
SOFT KEYS
TEXT DETERMINED
BY UTILITY
C = COOLING SETPOINT
H = HEATING SETPOINT
M4468
Options
Hold Temperature
More
Select
Back
UTILITY OPTIONS LINES

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T7525/T7526 THERMOSTAT TOUCHPAD
2

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T7525/T7526 THERMOSTAT TOUCHPAD
TEMPERATURE CONTROL FUNCTIONS
Temporarily Change the Setpoint Temperature
Using T7525A/T7526A Thermostat Touchpads (Manual Changeover)
You can temporarily change (override) the setpoint temperature. Follow these steps:
NOTE: To terminate this procedure, press the Back key within one minute. Screen
displays the Base screen.
1. From the Base screen, repeatedly press the Warmer or Cooler soft key until the
desired setpoint temperature displays. The setpoint temperature range is 45°to
88°F (7°to 31°C).
2. To accept the change, press Select. If you press the Options or Next soft key or
do not press a key for one minute, the change will also be accepted. The screen
displays the Base screen. The screen displays the actual temperature and the
heating/cooling setpoint.
NOTE: To accept the temporary setpoint change and perform another function,
press the Options soft key. Screen displays the first Options menu. The
new temperature setting remains in effect until the next scheduled period
or, if so configured, when the unit price rate changes.
The new temperature setting remains in effect until the next scheduled period or, if
so configured, when the utility price rate changes.
The temporary change can be canceled and the system returned to the original
setpoint temperature by pressing the Run Schedule soft key in the second
Options menu.
USING THE TOUCHPAD
Base Screen
M8625A
Set: C: 80o
Actual: 80o
Rate: NORMAL
12:25PM Mon
Warmer
Cooler
Options
Next
Select
Back
First Options Menu
M8626A
Options
Hold Temperature
More
Select
Back
Second Options Menu
M8627A
Options
Run Schedule
Climate Control
Present Time/Day
More
Select
Back
3
Step 1
Step 2
Step 2

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T7525/T7526 THERMOSTAT TOUCHPAD
4
USING THE TOUCHPAD
Temporarily Change the Setpoint Temperature
Using T7525C/T7526C Thermostat Touchpads (Auto Changeover)
You can temporarily change (override) the setpoint temperature. Follow these steps:
NOTE: To terminate this procedure, press the Back key within one minute. Screen
displays the Base screen.
1. From the Base screen, press either the Warmer or Cooler soft key. The Options
soft key becomes either a Change Heat or Change Cool soft key depending on
which set point type (H or C) is currently displayed.
2. Press the Change Heat or Change Cool soft key until the desired setpoint type
(H or C) is displayed.
3. Press either the Warmer or Cooler soft key repeatedly until the desired setpoint
temperature displays. The setpoint temperature range is 45°to 88°F (7°to 31°C).
NOTE: A minimum 3 degree F (2 degree C) deadband is maintained between
the heating and cooling setpoints. If either setpoint is adjusted into the
deadband, the other setpoint will automatically change to maintain the
minimum 3 degree F differential.
4. To accept the change, press Select. If you press the Options or Next soft key or
do not press a key for one minute, the change will also be accepted. The screen
displays the Base screen. The screen displays the Base screen. The screen
displays the actual temperature and the heating/cooling setpoint.
NOTE: To accept the temporary setpoint change and perform another function,
press the Options soft key. Screen displays the first Options menu. The
new temperature setting remains in effect until the next scheduled period
or, if so configured, when the unit price rate changes.
The new temperature setting remains in effect until the next scheduled period or, if
so configured, when the utility price rate changes.
The temporary change can be canceled and the system returned to the original
setpoint temperature by pressing the Run Schedule soft key in the second
Options menu.
Base Screen
Base Screen with a Change Heat
M8625A
Set: C: 80o
Actual: 80o
Rate: NORMAL
12:25PM Mon
Warmer
Cooler
Options
Next
Select
Back
or Change Cool
Soft Key
First Options Menu
Step 1
M4469
Set: C: 80o
Actual: 80o
12:25PM Mon
Warmer
Cooler
Change Heat
Next
Select
Back
Second Options Menu
M8626A
Options
Hold Temperature
More
Select
Back
M8627A
Options
Run Schedule
Climate Control
Present Time/Day
More
Select
Back
Steps 2 & 3
Step 4
Step 4

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T7525/T7526 THERMOSTAT TOUCHPAD
5
USING THE TOUCHPAD
Hold the Temperature
You can hold the current setpoint temperature until you manually cancel it. Follow
these steps:
1. From the Base screen, press the Options soft key. The screen displays the first
Options menu.
2. Press the Hold Temperature soft key. The screen displays the Base screen. The
screen displays the actual temperature and the heating/cooling setpoint. The hold
remains in effect until you manually cancel it.
Base Screen
M8625A
Set: C: 80o
Actual: 80o
Rate: NORMAL
12:25PM Mon
Warmer
Cooler
Options
Next
Select
Back
First Options Menu
M8626A
Options
Hold Temperature
More
Select
Back
Cancel the Temperature Hold
You can cancel the temperature hold. Follow these steps:
1. From the Base screen, press the Options soft key. The screen displays the first
Options menu.
2. Press the Cancel Temperature Hold soft key. The screen displays the Base
screen. The screen displays the actual temperature and the heating/cooling
setpoint.
or
a. Press the More soft key. The screen displays the second Options menu.
b. Press the Run Schedule soft key. The screen displays the Base screen.
The screen displays the actual temperature and the heating/cooling
setpoint.
Base Screen
M4470
Hold: C: 80
o
Actual: 80
o
Rate: NORMAL
12:25PM Mon
Warmer
Cooler
Options
Next
Select
Back
First Options Menu
M4471
Options
Cancel Temperature Hold
More
Select
Back
Second Options Menu
M8627A
Options
Run Schedule
Climate Control
Present Time/Day
More
Select
Back
Step 1
Step 2
Step 1
Step 2
Step 2

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6
USING THE TOUCHPAD
Change the Program Setpoint Temperatures
You can change the setpoint temperature. Follow these steps:
1. From the Base screen, press the Options soft key. The screen displays the first
Options menu.
2. Press the More soft key. The screen displays the second Options menu.
3. Press the Climate Control soft key. The screen displays the Climate Control
menu.
4. Press the Settings and Schedules soft key. The screen displays the Settings
and Schedules menu.
5. Press the ▲or ▼soft key repeatedly until the desired selection (Weekday,
Saturday, or Sunday) displays.
6. Press the Temperature Settings soft key. The screen displays the current
settings for each period for the selected day.
NOTE: H refers to the heating setpoint; C refers to the cooling setpoint.
7. Press the soft key for the period to be changed. The screen displays the settings
for that period.
8. Press the Change Heat or Change Cool soft key until the desired setpoint type
(Heat or Cool) is displayed.
9. Press the ▲or ▼soft key repeatedly until the desired temperature setting
displays. The setpoint temperature range is 45°to 88°F (7°to 31°C).
10. Perform one of the following:
a. To accept the new setting, press the Select key or do not press a key for
one minute. The screen displays the current settings for the selected day.
b. To cancel the temperature entered in step 9, press the Back key within one
minute. The screen displays the current settings for the selected day.
NOTE: For systems using the T7525C/T7526C Thermostat Touchpads (auto
changeover), a minimum 3 degree F (2 degree C) deadband is
maintained between the heating and cooling setpoints. If either setpoint
is adjusted into the deadband, the other setpoint will automatically
change to maintain the minimum 3 degree F differential.
11. Repeat steps 7 through 10 for any other heating or cooling setpoints that need to
be changed.
12. Press the Select key. The screen displays the Settings and Schedules menu.
13. Repeat steps 4 through 11 for any other days that need to be changed.
14. Press the Select key repeatedly until the Base screen displays.
Base Screen
M8625A
Set: C: 80o
Actual: 80o
Rate: NORMAL
12:25PM Mon
Warmer
Cooler
Options
Next
Select
Back
First Options Menu
M8626A
Options
Hold Temperature
More
Select
Back
Second Options Menu
M8627A
Options
Run Schedule
Climate Control
Present Time/Day
More
Select
Back
Climate Control Menu
M8628A
Climate Control
Settings and Schedules
Heat/Cool Equipment
Ventilation
Select
Back
Settings and Schedules Menu
M8629A
Settings and Schedules
Weekday
Temperature Settings
Day Schedule
Select
Back
Current Settings Screen
M4472
Sunday Settings
Wake H: 70˚ C: 78˚
Leave H: 62˚ C: 78˚
Return H: 70˚ C: 78˚
Sleep H: 64˚ C: 78˚
Select
Back
M8630A
Weekday-Leave Settings
Heat: 62
o
Change Cool
Select
Back
Current Period Settings Screen
(Change Cool Shown)
Step 1
Step 2
Step 3
Step 4
Step 5
Steps 6 & 7
Steps 8-10