White Rodgers P150 Install Manual
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White Rodgers P150 Install Manual

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Single-Stage Thermostat
with
Install Guide
Model # P150
Made in China
scheduling
37-7579

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Summary of Contents for White Rodgers P150

  • Page 1 Single-Stage Thermostat with scheduling Install Guide Model # P150 37-7579 Made in China...

  • Page 2: Table Of Contents

    GUIDE CONTENTS Preparations ..........3 Thermostat details ........4 Removal of your old thermostat....5 Mounting and wiring your new thermostat .. 10 Checking thermostat operation....12 Programming your thermostat ....16 Specifications ..........30 Troubleshooting .......... 31 WARNING Failure to follow and read all instructions carefully before installing or operating this control could cause personal injury and/or property damage.

  • Page 3: Preparations

    1. PREPARATIONS 1.1 Check package contents This package should contain the following items: • Thermostat • Mounting screws and wall anchors (x2) • 2 AAA batteries • Terminal wire label stickers • Installation instructions 1.2 Gather tools Required tools: □ Flat-head Screwdriver □ Small pliers (needle-nose) □ Drill with 3/16” (4 mm) bit Optional tools: □...

  • Page 4: Thermostat Details

    2. THERMOSTAT DETAILS 2.1 The thermostat buttons and switches Raises temperature setting. Lowers temperature setting. TIME button. PRGM (program) button. RUN (program) button. Press RUN to resume program. Time Prgm Hold System HOLD button. Press HOLD to bypass the On Auto Cool Off Heat program.

  • Page 5: Removal Of Your Old Thermostat

    3. REMOVING OLD THERMOSTAT 3.1 Turn off power WARNING To prevent electrical shock and/or equipment damage, disconnect electrical power to the system at the main fuse or circuit breaker box, or by flipping a switch at the air handler. Do not restore power until installation is complete. To ensure the power to your heating and cooling system has been turned off, try to turn on heating or cooling by changing the temperature on your old thermostat.
  • Page 6 3.2 Remove the old thermostat cover Remove the old thermostat’s front cover from the wall base. Some covers pull of easily, while others may need to be released by using a screwdriver. CAUTION Your old thermostat may have a sealed glass tube containing mercury. Be careful not to damage the tube or dispose of the tube in your trash. For safe disposal information, please see Mercury Notice on page 36.
  • Page 7 Terminal labeling reference chart If your current terminal has Label the wires with the Terminal function the following letter following letters RH, R, R5, 5 24V Power (Heating) 24V Power (Cooling) W, W1, 4 Heating Relay Y, Y1 Cooling Relay Fan Relay Reversing Valve (for heat pump applications energized in Cool mode)
  • Page 8 3.4 Identify jumper wire For terminal RC and RH: On your old thermostat, if… Then, on your new thermostat… Terminal RC and RH are connected Leave the jumper wire in its place with a jumper wire There’s only one R wire (RC, RH, R or R5) Leave the jumper wire in its place coming out of the wall Terminal RC and RH (or 5 or R5) are NOT...
  • Page 9 3.5 Remove old thermostat base With all of your wires disconnected and properly labeled, you may now safely remove the thermostat base from your wall. Tip: Worried about having your wires falling into your wall? Keep the wires secure by wrapping the them around a pencil.

  • Page 10: Mounting And Wiring Your New Thermostat

    4. MOUNTING AND WIRING YOUR NEW THERMOSTAT 4.1 Install new thermostat base Mount your new thermostat base using the supplied screws. Drill holes and insert wall anchors to secure the thermostat base to the wall, if necessary.
  • Page 11 4.2 Connect wires to corresponding terminal blocks Match each labeled wire to it’s corresponding terminal on the mounted thermostat base. Insert each labeled wire into the hole of it’s matching terminal, and using the screwdriver, tighten the screw on the terminal block securely. CAUTION Take care when securing and routing wires so they do not short to adjacent terminals or rear of thermostat.

  • Page 12: Check Thermostat Operation

    4.4 Install the batteries and attach front cover Install the included AAA alkaline batteries and push the front cover on to the thermostat base until it’s secure. 4.5 Turn on power Turn on your power at the source. Congratulations! You’ve completed the thermostat installation process 5.

  • Page 13: Fan Operation

    5.1 Fan operation If your system does not have a G terminal connection, skip to Heating System. 1. Turn on the power system 2. Move FAN switch to ON position. The blower should begin to operate. 3. Move FAN switch to AUTO position. The blower should stop immediately.

  • Page 14: Cooling System

    5.2 Cooling system CAUTION To prevent compressor and/or property damage, if the outdoor temperature is below 50°, DO NOT operate the cooling system This thermostat has a time delay between cooling cycles to allow the head pressure in the compressor to stabilize. If the temperature is adjusted to call for cool within 5 minutes of the last cycle the snowflake icon will blink indicating the thermostat is locked out.

  • Page 15: Heating System

    5.3 Heating system Move SYSTEM switch to HEAT position. If the heating system has a standing pilot, be sure to light it. 2. Press  to adjust thermostat setting above room temperature. The heating system should begin to operate. 3. Press  to adjust temperature setting below room temperature. The heating system should stop operating.

  • Page 16: Programming Your Thermostat

    6. PROGRAMMING YOUR THERMOSTAT Before you begin programming your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base.
  • Page 17 Time Prgm Hold System On Auto Cool Off Heat...
  • Page 18 6.2 The display Indicates day of the week. Flame icon () is displayed when the SYSTEM switch is in the HEAT position. Snowflake icon () is displayed (non-flashing) when the SYSTEM switch is in the COOL position. Snowflake is displayed (flashing) if the thermostat is in lockout mode to prevent the compressor from cycling too quickly.
  • Page 20 6.3 Operating features Now that you are familiar with the thermostat buttons and display, read the following information to learn about the many features of the thermostat. • SIMULTANEOUS HEATING/COOLING PROGRAM STORAGE — When programming, you can enter both your heating and cooling programs at the same time.
  • Page 21 : You select EMR and have your heating programmed to 65° at night and 70° at 7 AM. If the building xAMPLE temperature is 65° the difference between 65° and 70° is 5°. Allowing 5 minutes per degree the thermostat setpoint will change to 70°...
  • Page 22 • DISPLAY BACKLIGHT — (Not available on earlier models.) The display backlight improves display contrast in low lighting conditions. Selecting backlight ON will turn the light on for a short period of time after any button is pressed. Selecting backlight OFF (default) will keep the light off. Turn the display backlight feature ON as follows: 1.
  • Page 23 If you want to change the preprogrammed times and temperatures, follow these steps. Determine the time periods and temperatures for your weekday and weekend programs. You must program four periods for both the weekday and weekend program. However, you may use the same heating and cooling tem- peratures for consecutive time periods.
  • Page 24 room temperature alternately. SAMPLE Heating/Cooling Schedule Plan (Factory Program) SATURDAY (1 DAY) WEEKDAY (5 DAY) SUNDAY (1 DAY) Start Start Start Period Time Temperature Time Temperature Time Temperature 6:00 AM 70°F 6:00 AM 70°F 6:00 AM 70°F 8:00 AM 62°F 8:00 AM 62°F 8:00 AM...
  • Page 25 Heating/Cooling Schedule Plan SATURDAY (1 DAY) SUNDAY (1 DAY) WEEKDAY (5 DAY) Start Start Start Period Time Temperature Time Temperature Time Temperature...

  • Page 26: Entering Your Program

    Entering your program Follow these steps to enter the heating and cooling programs you have selected. Set current time and day 1. Press TIME button once. The display will show the hour only. EXAMPLE: 2. Press and hold either  or  until you reach the correct hour and AM/PM designation (AM begins at midnight;...
  • Page 27 5. Press TIME once. The display will show the day of the week. 6. Press  or  until you reach the current day of the week. 7. Press RUN once. The display will show the correct time and room temperature alternately. Enter heating program 1.
  • Page 28 4. Press TIME once (the programmed time will flash). Press  or  until your selected time appears. The time will change in 15 minute increments. When your selected time is displayed, press TIME again to return to the change temperature mode. 5.
  • Page 29 Enter cooling program CAUTION If the outside temperature is below 50° F, disconnect power to the cooling system before programming. Energizing the air conditioner compressor during cold weather may cause personal injury or property damage. 1. Move SYSTEM switch to COOL position. 2.

  • Page 30: Specifications

    5. Repeat step 2 to check cooling temperatures. 6. Press RUN to begin program operation. YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND READY TO AUTOMATICALLY PROVIDE MAXIMUM COMFORT AND EFFICIENCY! 7. SPECIFICATIONS ELECTRICAL DATA THERMAL DATA Electrical Rating: Setpoint Temperature Range: 8 to 30 VAC 50/60 Hz.

  • Page 31: Troubleshooting

    8. TROUBLESHOOTING Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermostat by pressing, ,  and TIME at the same time. This also resets the factory defaults to the configura- tion menu and program.
  • Page 32 Symptom Possible Cause Corrective Action Heat, Cool or Fan Runs Constantly. 1.Blown fuse or tripped circuit breaker. Check each wire connection to verify they are not shorted or touching 2.Furnace power switch to OFF. together. No bare wire should stick out from under terminal screws.
  • Page 33 Symptom Possible Cause Corrective Action No Heat (continued) 1. Heating system requires service Diagnostic: Set SYSTEM Switch to HEAT and the setpoint above room or raise thermostat requires temperature. Within a few seconds replacement. the thermostat should make a soft click sound.
  • Page 34 Symptom Possible Cause Corrective Action Heat, Cool or Fan Runs Constantly. 1. Possible short in wiring. Check each wire connection to verify they are not shorted or touching 2. Possible short in thermostat. together. No bare wire should stick out from under terminal screws. Try 3.
  • Page 35 Symptom Possible Cause Corrective Action Cooling cycles Too Fast or Too Slow 1. The location of the thermostat and The cycle rate for cooling is fixed and can not be adjusted. Contact a local the size of the Cooling System can (narrow or wide temperature swing) service person for suggestions.
  • Page 36 CONTACT US Customer support: 877.654.9394 or wr.techsupport@emerson.com MERCURY NOTICE This product does not contain mercury. However, this product may replace a product that contains mercury. Mercury and products containing mercury must not be discarded in household trash. Refer to thermostat-recycle.org for location to send product containing mercury. FOR CALIFORNIA RESIDENTS Warning: This product contains a chemical known to the state of California to cause cancer and birth defects and other reproductive harm.

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