Prostat PRS4110 Universal Programmable Thermostat
Specifications
This thermostat is compatible with:
- Single-stage heat / cool conventional and heat pump systems
- Conventional systems up to 2 heat / 2 cool (PRS4210 only)
- Single compressor heat pump systems with an auxiliary heat stage (PRS4210)
- 250 – 750 millivolt heat-only systems
Electrical and control specifications:
- Electrical Rating: 24 Volt AC
- 1 amp maximum load per terminal
- AC Power: 18 – 30 Volts AC
- DC Power: 3.0 Volt DC (2 “AA” Alkaline Batteries Included)
- Control Range: 45° – 90° F (7° – 32° C)
- Temperature Accuracy: +/- 1° F (+/- .5° C)
Terminations
- PRS4110 – Rc, Rh, O, B, Y1, W1, G, C
- PRS4210 – Rc, Rh, O, B, Y1, E/W1, G, W2, C
Installation
Thermostat Location
Install the thermostat approximately 5 feet (1.5m) above the floor in an area that has a good amount of air circulation and maintains an average room temperature. Avoid installation in locations where the thermostat can be affected by drafts, dead air spots, hot or cold air ducts, sunlight, appliances, concealed pipes, chimneys and outside walls
Install your new PROSTAT thermostat in 5 basic steps:
- Install the Sub-Base
- Provide Power
- Connect Your Wires
- Set Installer Switches
- Attach Thermostat to Sub-Base
Install the Sub-Base:
- Remove the sub-base from the body of the thermostat.
- Mount the sub-base as shown below:
Provide Power
- For 24 Volt AC power, you must connect the common side of the transformer to the C terminal on the thermostat sub-base.
- For primary or backup power, insert the 2 supplied “AA” type alkaline batteries into the battery compartment located in the rear housing of the thermostat. Make sure to position the Positive (+) and Negative (-) sides of the batteries correctly with the +/- symbols in the battery compartment.
Connect Your Wires
Typical Wiring Configurations
NOTE: The “Installer Switch” option will be configured in the next step.
- Heat Only or Millivolt
- Set Installer Switch to CONV
Rh | Power Connection |
W | Heat Relay (appears as W1/E on PRS4210) |
G | Fan Relay [note 4] |
C | 24 Volt AC Transformer Common [note 1] |
- HEAT / 1 COOL Single or Dual Transformer Set Installer Switch to CONV
Rh | 24 Volt AC Power (heating transformer) [note 2] |
Rc | 24 Volt AC Power (cooling transformer) [note 2] |
W1 | Heat Relay (appears as W1/E on PRS4210) |
Y1 | Compressor Relay |
G | Fan Relay |
C | 24 Volt AC Transformer Common [note 1, 3] |
- HEAT / 1 COOL Single or Dual Transformer (PRS4210 Only) Set System Type to CONV
Rh | 24 Volt AC Power (heating transformer) [note 2] |
Rc | 24 Volt AC Power (cooling transformer) [note 2] |
W1 | Heat Relay Stage 1 |
Y1 | Compressor Relay Stage 1 |
Y2 | Compressor Relay Stage 2 [note 4] |
G | Fan Relay |
C | 24 Volt AC Transformer Common [note 1, 3] |
Heat Pump Systems
- HEAT / 1 COOL – No Auxiliary Heat Set Installer Switch to HP
Rh | 24 Volt AC Power |
Rc | Connected to Rh with supplied Jumper Wire |
O or B | Changeover Valve [note 2] |
Y1 | Compressor Relay |
G | Fan Relay |
C | 24 Volt AC Transformer Common [note 1] |
- HEAT / 1 COOL – Including Auxiliary Heat (PRS4210 only) Set Installer Switch to HP
Rh | 24 Volt AC Power |
Rc | Connected to Rh with supplied Jumper Wire |
O or B | Changeover Valve [note 2] |
Y1 | Compressor Relay (1st stage heating/cooling) |
W2 | Auxiliary Heat Relay (2nd stage heating) [note 3] |
E | Emergency Heat Relay [note 3] |
G | Fan Relay |
C | 24 Volt AC Transformer Common [note 1] |
NOTES – Heat Pump Systems
- If batteries are installed the 24 Volt AC common connection is optional.
- Select O for cool active or B for heat active.
- Install a field supplied jumper between the W2 and E terminals if there is no separate emergency heat relay installed.
Set Installer Switches
The Installer switches are located on the back of the thermostat and must be properly set for this thermostat to operate properly. The reset button must be pressed after making any changes to these switches
Switch |
Factory Default | Setting Options |
Comments |
CONV / HP | CONV | CONV | Select for conventional systems |
HP | Select for heat pump systems | ||
F / C | F | F | Select for Fahrenheit temperature scale |
C | Select for the celsius temperature scale | ||
HE / HG | HG | HG | Select gas heat |
HE | Select electric heat |
Attach Thermostat to Sub-Base
- Line up the thermostat body with the sub-base.
- Carefully push the thermostat body against the sub-base until it snaps into place.
- Insert quick reference card into slot on top of thermostat
Setting User Options
Advanced User Options
User options allow you to customize some of your thermostat’s features. Most users will not need to make any changes to the settings in this section. To enter the User Options menu, hold down the RETURN button for approximately 3 seconds until the screen changes and displays the first User Option. Press the or button to change the setting for the displayed User Option. After you have made your desired setting, press RETURN to advance to the next User Option. The thermostat will return to normal mode after your last user option is made or after no keys have been pressed for 15 seconds.
Table of User Options
No. |
User Options | Factory Default | Setting Options |
Comments |
1 | Programming Mode | PRO 7 | PRO 7
PRO 52 PRO NO |
Select for 7 Day Programming Mode Select for 5-2 Day Programming Mode Select for Non-Programmable Mode |
2 | 1st stage differential | 0.5 | 0.5, 1.0,
2.0 |
Select a 1st stage temperature differential of .5˚, 1˚ or 2˚F (0.2˚,
0.5˚ or 1˚C) |
3 | 2nd stage differential (PRS4210 Only) | 2.0 | 1.0, 2.0,
3.0, 4.0, 5.0, 6.0 |
Select a 2nd temperature differential of 1˚, 2˚, 3˚, 4˚, 5˚ or 6˚F (.5˚, 1˚, 1.5˚, 2˚, 2.5˚ or 3˚C) |
4 | Extended Hold Period | LNG | LNG | Selects long (permanent) hold mode |
24HRS | Selects 24 hr. (temporary) hold mode | |||
5 | Filter Service Monitor | OFF | OFF | Disables filter service monitor feature |
30, 60, 90,
120, 180, 365 |
Selects a number of days before the thermostat will flash a Service
Filter reminder in the display. |
|||
6 | Adaptive Recovery Mode(ARMTM) |
OF REC |
OF REC | Disables adaptive (early) recovery mode |
ON REC | Enables adaptive (early) recovery mode |
Setting Your Program Schedule
Setting the Time and Day
- In normal operating mode, press the DAY/TIME button. The display will switch to the day/time setting mode and the hour will be flashing.
- Press or to adjust the hour.
- Press DAY/TIME.
- Press or to adjust the minute.
- Press DAY/TIME.
- Press or to adjust the day of the week. Press RETURN to exit
Tips Before Setting Your Program Schedule
- Make sure your current time and day of the week are set correctly.
- When programming, make sure the AM and PM indicators are correct.
- Your NIGHT event cannot exceed 11:50 p.m.
7 Day Programming
Factory Settings |
|
4 Event | All Days |
MORN |
Time: 6:00 am Heat: 70˚ F (21˚ C) Cool: 78˚ F (26˚ C) |
DAY |
Time: 8:00 am Heat: 62˚ F (17˚ C) Cool: 85˚ F (29˚ C) |
EVE |
Time: 6:00 pm Heat: 70˚ F (21˚ C) Cool: 78˚ F (26˚ C) |
NIGHT |
Time: 10:00 pm Heat: 62˚ F (17˚ C) Cool: 82˚ F (28˚ C) |
5-2 Day Programming– Weekday/Weekend
Factory Settings |
||
4 Event | Weekday | Weekend |
MORN |
Time: 6:00 am Heat: 70˚ F (21˚ C) Cool: 78˚ F (26˚ C) | Time: 6:00 am Heat: 70˚ F (21˚ C) Cool: 78˚ F (26˚ C) |
DAY |
Time: 8:00 am Heat: 62˚ F (17˚ C) Cool: 85˚ F (29˚ C) | Time: 8:00 am Heat: 62˚ F (17˚ C) Cool: 85˚ F (29˚ C) |
EVE |
Time: 6:00 pm Heat: 70˚ F (21˚ C) Cool: 78˚ F (26˚ C) | Time: 6:00 pm Heat: 70˚ F (21˚ C) Cool: 78˚ F (26˚ C) |
NIGHT |
Time: 10:00 pm Heat: 62˚ F (17˚ C) Cool: 82˚ F (28˚ C) | Time: 10:00 pm Heat: 62˚ F (17˚ C) Cool: 82˚ F (28˚ C) |
This thermostat has been configured with one of the following programming options:
- 7 day programming mode with 4 events per day (default)
- 5-2 (weekday/weekend) programming mode with 4 events per day.
- Non-Programmable mode
This thermostat comes pre-programmed with a default energy saving program. The following tables outline the pre-programmed times and temperatures for heating and cooling in each of your 4 daily events. If you wish to use these settings then no further programming is necessary
Programming a 7 Day Schedule
The 7 day programming mode gives you the option to program individual days (1 day at a time) or to use SpeedSet and program the entire week (all 7 days) with a 4 event program schedule.
Setting All 7 Days at Once (SpeedSet®)
- Hold the PROG button for 3 seconds. The display will switch to SpeedSet programming mode. All 7 days of the week will appear and the hour will be flashing.
- Select HEAT or COOL with SYSTEM switch.
- Press the or button to adjust the hour for the MORN (morning) event. Press PROG.
- Press the or button to adjust the minute for the MORN event. Press PROG.
- Press the or button to adjust the temperature for the MORN event. Press PROG.
- Repeat steps 3-6 for the DAY, EVE and NIGHT events.
- If needed, repeat steps 2-6 to program the opposite mode (HEAT or COOL).
- Press RETURN to exit
Setting Individual Days (7 Day Mode)
- Press the PROG button. The display will switch to programming mode. M (Monday) will be displayed and the hour will be flashing.
- Select HEAT or COOL with SYSTEM switch.
- Press DAY/TIME to select the day you would like to program.
- Press the or button to adjust the hour for the MORN (morning) event. Press PROG.
- Press the or button to adjust the minute for the MORN event. Press PROG.
- Press the or button to adjust the temperature for the MORN event. Press PROG.
- Repeat steps 4-6 for your DAY, EVE and NIGHT events.
- If needed, repeat steps 3-6 to select a different day to program.
- If needed, repeat steps 2-8 to program the opposite mode (HEAT or COOL).
- Press RETURN to exit
Programming a 5-2 Day Schedule
- The 5-2 day programming mode allows you to program Monday – Friday with one 4 event schedule and then allows you to change Saturday and Sunday with a different 4 event schedule.
- Press the PROG button. The display will switch to programming mode. The days M, TU, W, TH, and F will be displayed and the hour will be flashing.
- Select HEAT or COOL with SYSTEM switch.
- Press the
button to adjust the hour for the MORN (morning) event. Press PROG.
- Press the
button to adjust the minute for the MORN event. Press PROG.
- Press the
button to adjust the temperature for the MORN event. Press PROG.
- Repeat steps 3-5 for your DAY, EVE and NIGHT events.
- Repeat steps 3-6 for your Saturday and Sunday (S, SU) program.
- If needed, repeat steps 2-7 to program the opposite mode (HEAT or COOL).
- Press RETURN to exit.
Operating Your Thermostat
Setting the System Control Mode
The System Control has several modes of operation that can be selected by moving the SYSTEM switch to the appropriate position.
- COOL Only your cooling system will operate
- OFF Heating and cooling systems are off
- HEAT Only your heating system will operate
Additional Switch Position (Model PRS4210 Only):
EMER Operates a backup heat source (Emergency Heat) for heat pump systems only.
Setting the Fan Control Mode
The Fan Control has 2 modes of operation – AUTO and ON. The mode can be selected by moving the FAN switch to the appropriate position.
- AUTO The system fan will run only when your heating or cooling system is running
- ON The system fan stays on
Temporary Adjustment – Press the or button to adjust the current set point temperature.
Extended Adjustment – Press the HOLD button so that HOLD appears in the display screen. Press or to adjust the current set temperature.
Status Indicators
- Status indicators appear in the display to let you know if your system is heating, cooling or off.
- HEAT ON Indicates that your heating system is running.
- COOL ON Indicates that your cooling system is running.
- SERVICE Indicates that a user service reminder was selected.
Additional status indicators (Model PRS4210 Only):
- AUX Indicates that the auxiliary stage of heating is running (multi-stage systems only).
- EMER Indicates that the emergency heating system is running (heat pump systems only).
Program Event Indicators
Program Event Indicators appear in the display to let you know what part of your current program is active. The 4 different program event indicators are MORN, DAY, EVE and NIGHT. When the program event indicator is flashing, your program has been temporarily bypassed and will resume at the next scheduled event. NOTE: You will not see a program event indicator while in HOLD Mode.
Resetting the Thermostat
This thermostat provides you with a reset button that will erase all of your user settings and programming. To reset the thermostat, use a small object such as a tooth pick or paperclip and gently press the button located inside the small hole on the front of the thermostat housing labeled “reset
Additional Operation Features
Compressor Protection
This thermostat includes an automatic compressor protection delay to help avoid potential damage to your system from short cycling. This feature activates a short delay after turning off the system compressor.
Thermostat Maintenance
Changing the Batteries
Depending on your particular installation, this thermostat may be equipped with two (2) “AA” type alkaline batteries. If batteries are installed and they become low, a low battery indicator will appear in the display. You should change your batteries immediately when you see the low battery signal by following these instructions.
- Remove the thermostat body by gently pulling it from the base.
- Remove old batteries and replace them with new batteries.
- Make sure to correctly position the (+) and (-) symbols.
- Gently push the thermostat body back onto the base.
NOTE: We recommend replacing the thermostat batteries annually or if the thermostat will be unattended for an extended period of time.
Thermostat Cleaning
Never spray any liquid directly on the thermostat. Using a soft damp cloth wipe the outer body of the thermostat. Never use any abrasive cleansers to clean your thermostat.
Warranty
5-Year Limited Warranty
PROPARTS warrants each new PROSTAT thermostat against any defects that are due to faulty material or workmanship. This warranty and our liability do not apply to batteries, nor does it include damage to merchandise or the thermostat resulting from accident, alteration, neglect, misuse, improper installation or any other failure to follow PROSTAT installation and operating instructions. This limited warranty applies for the duration of the warranty period from the original date of purchase by a professional service technician. PROPARTS agrees to repair or replace at its option any PROSTAT thermostat under warranty provided it is returned postage prepaid to our warranty facility in a padded carton within the warranty period, with proof of the original date of purchase and a brief description of the malfunction. This limited warranty does not include the cost of removal or re-installation. This warranty gives you specific legal rights and you may also have other rights that vary from state to state or province to province. Answers to any questions regarding our limited warranty may be obtained by writing our corporate offices. For warranty service, please visit your nearest PROPARTS facility.
Technical Assistance: 855-445-2466 (U.S.)
REFERENCE:
DOWNLOAD MANUALS:
Prostat PRS4110 Universal Programmable Thermostat User Manual
OTHER MANUALS:
Prostat PRS4110 Universal Programmable Thermostat Product Specifications Guide
Prostat PRS4110 Universal Programmable Thermostat User Manual
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