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USER MANUAL PSTSP11AWH ProSelect
Programmable Thermostat
PSTSP11AWH, PSTSP21AWH
User Guide
Package Includes:
- Base Plate Mounting System
- Screws and Anchors
2 AA Batteries
Thermostat Literature

M39337
Read before installing
Thermostat controls
- System status information
Cool On
Heat On
Em Heat On
Actual time
Schedule information
Following time
based schedule
Mode
Select system mode Heat/Off/Cool/Auto/ EM Heat (emergency heat)
- Menu
Press to display
options.Start
here to set a
program schedule

M39337
- Indoor temperature setpoint
Press + or - to change temperature setting
Actual indoortemperature
Temperature/ Navigation buttons
Press to increase or decrease temperature setpoint and to navigate menus and menu options
Fan
Select Fan mode Auto/On
The screen will wake up by pressing any of the five buttons. If powered by the C wire, the screen stays lit for 45 seconds after you complete changes. If powered by battery only, the screen stays lit for 8 seconds. Depending on how your thermostat was installed, the screen light may always be on.
Customer assistance
For assistance with this product, please contact PROSELECT via owat@ferguson.com or 1-800-221-3379.
System operation settings
1 Press the Mode button to cycle to the next available System mode.
2 Cycle through the modes until the desired System mode is displayed and leave it to activate.
NOTE: Available System modes vary by model and system settings.
System modes:
- Auto
-Heat
Cool
-Off
-Em. Heat (PSTSP21AWH only)

Fan operation settings
1 Press the Fan button to cycle to the next available Fan mode.
2 Cycle through the modes until the desired Fan mode is displayed and leave it to activate.
NOTE: Available Fan modes vary with system settings.
Fan modes:
-
Auto: Fan runs only when the heating or cooling system is on.
-
On: Fan is always on.

Set the time and date
1 Press Menu to enter the device menu. You will see PROG or HOLD. Press + or - to choose TIME or DATE. Press Select.
Time
2 Press or to set the clock format: 12 hour (standard for North America) or 24 hour. Press Select.
3 Press ^+ or - to adjust the hour. Press Select.
4 Press ① or to adjust the minutes. Press Select.
Date
2 Press or to adjust the year. Press Select.
3 Press ^+ or - to adjust the month. Press Select.
4 Press ^+ or - to adjust the day. Press Select.


Program Schedule
You can program four time periods each day, with different settings for weekdays and weekends. We recommend the pre-sets (shown in the table below), since they can reduce your heating/cooling expenses.
Wake - Set to the time you wake up and the temperature you want during the morning, until you leave for the day.
Away - Set to the time you leave home and the temperature you want while you are away (usually an energy-saving level).
Home - Set to the time you return home and the temperature you want during the evening, until bedtime.
Sleep - Set to the time you go to bed and the temperature you want overnight (usually an energy-saving level).
| HeatCool | ||
| Wake (6:00 am) | 70° | 78° |
| Away (8:00 am) | 62° | 85° |
| Home (6:00 pm) | 70° | 78° |
| Sleep (10:00 pm) | 62° | 82° |
NOTE: To temporarily or permanently override any of the above program schedules, see page 4.
To adjust program schedules
1 Press Menu on your thermostat.
2 If PROG is displayed, press Select. If HOLD is displayed, press , then press Select. Then ON is displayed, press Select.
3 Press + or to select the set of days to edit (MTWTF or SS). Press Select.
4 Press ④ or to select a schedule period to edit (Wake, Away, Home, and Sleep).Press Select.
5 ON is displayed. Press Select to keep the schedule period on. Or press ^+ and then Select to turn off the schedule period.
6 Time starts blinking. Press + or - to adjust the schedule period start time. Press Select.
7 Temperature starts blinking. Press + or -to adjust the "Heat" setpoint temperature. Press Select. Press + or -to adjust the "Cool" temperature setpoint. Press Select.
8 Repeat steps 4 through 7 for the remaining schedule periods.
9 Press Home when you're finished to save and return to the home screen.

M39348
Program schedule override (temporary)
1 Press or to adjust the temperature.
2 Once at the desired setpoint temperature, no further action is needed. The new setpoint temperature will be held until the next scheduled time period begins. For more information on schedule time periods, see "Program Schedule" on page 3.
3 To cancel the Temporary Hold, Press + or -and then press Cancel.

Program schedule override (permanent)
1 Press ^+ or -to adjust the temperature.
2 Temporary Hold displayed and the setpoint temperature flashes. While it's flashing, press Hold (Mode) button to change to Permanent Hold.
3 To cancel the Permanent Hold, press ^+ or - and then press Cancel.

Adaptive Intelligent Recovery
Over time, the thermostat "learns" how long it takes your system to reach the temperature you want. It turns on the heating or cooling system earlier to make sure you're comfortable at the time you expect.
Built-in compressor protection
Damage can occur if the compressor is restarted too soon after shutdown. This feature forces the compressor to wait for a few minutes before restarting.
During the wait time, the display will flash the message Cool On (or Heat On if you have a heat pump). When the safe wait time has elapsed, the message stops flashing and the compressor turns on.
Message flashes until safe restart time has elapsed.

Battery replacement
Batteries are optional (to provide backup power) if your thermostat is wired to run on AC power. If your thermostat is not wired to run on AC power, then batteries are required.
Install fresh batteries immediately when the low battery icon appears. The icon appears about two months before the batteries are depleted.
Even if the low battery icon does not appear, you should replace batteries once a year, or before leaving home for more than a month.
If batteries are inserted within two minutes, the time and day will not have to be reset. All other settings are permanently stored in memory, and do not require battery power.
NOTE: When replacing batteries, alkaline batteries are recommended.

When the low battery warning appears, press gently to loosen the thermostat and then carefully pull it from the base plate.
Insert fresh alkaline AA batteries and reinstall thermostat.





Alerts
If there is an alert or reminder, the alert icon appears on the Home screen.
| Number | Alert/Reminder Definition | |
| 170 | Internal Memory Error | The memory of the thermostat has encountered an error. Please replace the thermostat. |
| 173 | Thermostat Temperature Sensor Error | The sensor of the thermostat has encountered an error. Please replace the thermostat. |
| 181 | Replace Air Filter | The set air filter replacement time has elapsed. Replace the filter and clear the alert to reset the timer. |
| 405 | Low Battery Alert | The batteries are getting low. Replace them within two months. |
| 407 | Critical Low Battery | The batteries are almost depleted and should be replaced as soon as possible. |
Low Battery Warning
1 The batteries need to be replaced when BATT, the alert icon , and the battery icon are displayed on the Home screen.
2 When the battery power is very low, the thermostat's backlight is disabled to save battery power.
3 When battery power is critically low, only BATT, the alert icon , and the battery icon are displayed.
Air Filter Reminder
1 The alert icon appears on the Home screen.
2 Press Menu, and then press ^+ until display shows ALRT.
3 Press Select to display which alert(s) are present.
4 The message REPL (REPLACE AIR FILTER) appears.
5 The reminder can be snoozed or cleared. The air filter should be replaced when clearing the reminder.
6 To snooze, press Select. The word SNZE (SNOOZE) appears.
7 Press Select again to snooze the reminder for 7 days.
8 To clear, press Select, and then press to go to CLER (Clear).
9 Press Select to clear the air filter reminder.

M39353

M39354

M39355
Snoozing and Clearing Alerts or Reminders*
1 Press Menu, and then press until display shows ALRT.
2 Press Select to display which alert(s) are present.
3 The word SNZE (SNOOZE) appears.
4 Press Select again to snooze the reminder for 7 days.
5 To clear the alert, press Select, and then press to go to CLER (Clear).
6 Press Select to clear the reminder.

M39356
- Some alerts cannot be snoozed or cleared. Please call your local heating and cooling professional if this occurs. The heating and cooling system may require service.
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily.
Display is blank
- Check circuit breaker and reset if necessary.
- Make sure power switch for heating & cooling system is on.
- Make sure furnace door is closed securely.
- Make sure fresh AA alkaline batteries are correctly installed (see page 5).
Heating or cooling system does not respond
- Press Mode button to set system Heat (see page 2).
Make sure the desired temperature is set higher than the inside temperature. - Press Mode button to set system Cool (see page 2).
Make sure the desired temperature is set lower than the inside temperature. - Check circuit breaker and reset if necessary.
- Make sure power switch for heating & cooling system is on.
- Make sure furnace door is closed securely.
- Wait 5 minutes for the system to respond.
Temperature settings do not change
- If you are in the correct mode, but you cannot set the heat from 40^ to 90^ ( 4.5^ to 32^ ), or set the cool from 50^ to 99^ ( 10^ to 37^ ), you may have range-stops restricting your setting. Check with the installer to see if they set range-stops.
"Cool On" or "Heat On" is flashing
- Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely, without damage to the compressor (see page 4).
Electrical Ratings
| Terminal Voltage (50 Hz/60 Hz) Running Current | ||
| W Heating | 20 Vac - 30 Vac | 0.02 A - 1.0 A |
| W2 (Aux) Heating (PSTSP21AWH only) | 20 Vac - 30 Vac | 0.02 A - 1.0 A |
| E Emergency Heat (PSTSP21AWH only) | 20 Vac - 30 Vac | 0.02 A - 0.5 A |
| Y Compressor Stage 1 | 20 Vac - 30 Vac | 0.02 A - 1.0 A |
| G Fan | 20 Vac - 30 Vac | 0.02 A - 0.5 A |
| O/B Changeover | 20 Vac - 30 Vac | 0.02 A - 0.5 A |
5-year limited warranty
All parts for PROSELECT products are warranted to the original consumer purchaser to be free from defects in material and workmanship for a period of five (5) years. This warranty is made to the original consumer purchaser and shall be effective from date of purchase as shown on purchaser's receipt. PROSELECT WILL replace, free of charge, during the warranty period, any part which proves defective in material and/or workmanship under normal installation, use and service. It is PROSELECT's obligation under this warranty to the replacement of any part or parts which prove defective upon PROSELECT's local PROSELECT dealer, transportation charges prepaid, with a copy of the purchase receipt. For the PROSELECT dealer nearest you, call 1-800-221-3379.
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY MADE BY PROSELECT AND IS LIMITED TO THE DURATION OF THIS WARRANTY AND ALL OTHER EXPRESSED OR IMPLIED WARRANTYES, WHETHER IMPLIED BY OPERATION OF LAW OR OTHERWISE, INCLUDING, WITHOUT LIMITATION, ALL IMPLIED WARRANTYES OF MERCHANTIBILITY AND FITNESS OR FITNESS FOR A PARTICULAR PURPOSE, ARE FOR PERSONAL INJURY OR PROPERTY DAMAGE OR ANY OTHER LOSS, DAMAGE, COST OF REPAIRS OR INCIDENTAL, PUNITIVE, SPECIAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, WHETHER BASED UPON WARRANTY, CONTRACT, STRICT LIABILITY, DESIGN, MANUFACTURE, SALE, TRANSPORTATION, INSTALLATION, USE OR REPAIR OF THE PRODUCTS SOLD BY PROSELECT, BUYER HEREBY ACKNOWLEDGES AND AGREES THAT AUnder No CIRCUMSTANCE, AND IN NO EVENT, SHALL PROSELECT'S LIABILITY, IF ANY, EXCEED THE REPLACEMENT OF THE DEFECTIVE PRODUCT(S); NO ADDITIONAL ALLOWANCE SHALL BE MADE FOR THE LABOR OR EXPENSE OF REPAIRING OR REPLACING DEFECTIVE PRODUCTS OR WORKMANSHIP OR DAMAGE RESULTING FROM THE SAME, EXCEPT AS EXPRESSLY SET FORTH IN THIS PARAGRAPH, ALL PRODUCTS AND/OR SERVICES PROVIDED BY PROSELECT AND ITS EMPLOYEES AND AGENTS ARE PROVIDED "AS IS," "WHERE IS," AND "WITH ALL FAULTS." Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty is void for any damage to the PROSELECT product due to misuse, abuse, neglect, accident, improper installation, any use in violation of instructions furnished by us, or any use of replacement parts other than genuine PROSELECT parts.

CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.

CAUTION: EQUIPMENT DAMAGE HAZARD
Compressor protection is bypassed during testing. To prevent equipment damage, avoid cycling the compressor quickly.

CAUTION: MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash. Contact your local waste management authority for instructions regarding recycling and proper disposal.

CAUTION: ELECTRONIC WASTE NOTICE
The product and batteries should not be disposed of with other household waste. Check for the nearest authorized collection centers or authorized recyclers. The correct disposal of end-of-life equipment will help prevent negative consequences for the environment and human health.
Regulatory Information
FCC Compliance Statement (Part 15.19) (USA only)
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- This device must accept any interference received, including interference that may cause undesired operation.
FCC Warning (Part 15.21) (USA only)
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
FCC Interference Statement (Part 15.105 (b)) (USA only)
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Thermostats
To comply with FCC and Industry Canada RF exposure limits for general population/ uncontrolled exposure, the antenna(s) used for these transmitters must be installed to provide a separation distance of at least 20~cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
RSS-GEN
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
Operation is subject to the following two conditions:
- This device may not cause interference, and
- This device must accept any interference, including interference that may cause undesired operation of the device.

PROSELECT
© Ferguson Enterprises, LLC
33-00649EFS—01 SA Rev. 01-24
Distributed exclusively by Ferguson Enterprises, LLC
Thermostat Programmable PSTSP11AWH, PSTSP21AWH
MISE EN GARDE : AVIS RELATIF AU MERCURE
© Ferguson Enterprises, LLC
33-00649EFS—01 SA Rev. 01-24
Distributed exclusively by Ferguson Enterprises, LLC
Termostato Programable PSTSP11AWH, PSTSP21AWH
Guía del usuario
El paquete incluye:
© Ferguson Enterprises, LLC
33-00649EFS—01 SA Rev. 01-24
Distributed exclusively by Ferguson Enterprises, LLC