Universal Thermostat Install Guide Want to install the easy way? Model # UNP310 Made in China 37-7580B
GUIDE CONTENTS Preparations......................................................................... 3 Thermostat details................................................................ 5 Removal of your old thermostat........................................... 7 Mounting, wiring, and configuring your new thermostat..... 11 Checking thermostat operation.......................................... 18 Using your thermostat........................................................ 20 Specifications.................
1. PREPARATIONS Precautions • Do not exceed the specification ratings. • All wiring must conform to local and national electrical codes and ordinances.
1.1 Check package contents This package should contain the following items: • Thermostat • Mounting screws and wall anchors (x2) • 2 AA batteries • Terminal wire label stickers • Installation instructions 1.
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The display 1 1 1 2 1 2 2 1 3 2 3 3 2 4 3 4 4 3 5 4 5 1 5 4 6 5 6 2 6 5 7 6 7 3 7 6 8 7 8 4 8 7 9 8 9 5 9 8 10 9 10 6 10 9 10 6 11 11 Next (Menu button) is used to navigate within a menu Back (Fan button) is used to navigate within a menu Exit (Away button) returns to the home screen Thermostat is protecting the equipment from short cycling (5-minute delay) Indicates that the system is running in Cool, Heat or Auxiliary mode.
3. REMOVING OLD THERMOSTAT 3.1 Turn off power or 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.
3.2 Remove the old thermostat cover Remove the old thermostat’s front cover form the wall base. Some covers pull off easily, while others may need to be released by using a screwdriver. 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 32 3.
3. Label that wire with the corresponding letter in the third column 4. Disconnect the labeled wire carefully, and proceed to the next wire until all wires are labeled Please note that not all terminals may be used and that there’s no standard color code for thermostat wires, so your wire colors may vary. For your reference, we’ve included a terminal label reference chart below to help you connect the wires from your old thermostat to your new thermostat in case you get stuck.
Terminal labeling reference chart, contʼd.
Do you have a “B” wire? Labeling the “B” wire can be tricky. It could be labeled as “C” or “O/B” depending on whether you have an “O” wire connected to your old thermostat. Please pay attention and follow the asterisk (*) comments below while labeling it. * Label “B” as “C” only if the old thermostat also had a wire in the “O” terminal block.
EMERSON 50/60HZ OR DC 0.05 TO 1.5 AMP (PER TERMINAL) 2.5 AMPS MAX. (COMBINED LOAD) CLASS 2 0150-XXXXXX E1 XXXX 5001 9087 REV.
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.
4. MOUNTING AND WIRING YOUR NEW THERMOSTAT 4.1 Install new thermostat base Leveling Thermostat Leveling is for appearance only and will not affect thermostat operation. 14 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.
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. RC RH RH O/B Take care when securing and routing wires so they do not short to adjacent terminals or rear of thermostat. Personal injury and/or property damage may occur.
4.3 Identify system configuration Your wiring can help to determine the type of heating and cooling equipment installed in your home. Before attaching the front cover, use the following chart, and check the box next to the settings that match your new thermostat’s wiring. This information will be used in Step 4.5 to configure your thermostat. Thermostat Terminals with attached wires 16 Outdoor Equipment Setting (Used in 4.
Thermostat Terminals with attached wires Indoor Equipment Setting (Used in 4.
4.4 Install the batteries and attach front cover Install the included AA alkaline batteries and push the front cover on to the thermostat base until it’s secure. Do not restore power to the heating and cooling system until instructed. 4.5 Configure thermostat Hold the menu button down for 8 seconds to launch the installer menu. Your screen will change to the configuration menu. Set the first 3 items (05, 10, 15) to match your equipment. Please refer to the table in Section 4.3 and Section 3.
User Menu # (Hold Menu 8 Seconds) 05 10 Description Outdoor Equipment: selects air conditioner (AC) or heat pump (HP) equipment as well as the number of stage Indoor Equipment: selects whether the equipment is a gas furnace, electric furnace or fan only Settings Default Setting (flashing icons) AC2 (Press or ) AC0 AC1 AC2 HP1 HP2 Refer to Section 4.3 EL2 FAN GA1 GA2 EL1 EL2 Refer to Section 4.
User Menu # (Hold Menu 8 Seconds) 32 CR 35 CR 50 CL 65 66 Description Default Setting (flashing icons) Settings (Press or ) SLO – slow MEd – medium FAS – fast SLO – slow MEd – medium FAS – fast Aux Cycle Rate: how often the auxiliary heat will turn on MEd Cool Cycle Rate: how often the cooling will turn on MEd Compressor Lockout: protects the compressor from short cycling OFF On – 5 minute delay OFF – no delay Max Heat Limit: maximum set point for heat mode 99 47 to 99 Minimum Cool Limit:
4.6 Turn on power Turn on your power at the source. Congratulations! You’ve completed the thermostat installation process. 5. CHECK THERMOSTAT OPERATION 5.1 Fan operation If your system does not have a G terminal connection, skip to 5.2 Heating system. 1. Press the fan button to select the On position. The blower should operate. 2. Press the fan button to select the Auto position. The blower should stop immediately.
5.2 Heating system 1. Press the System button to select the Heat position. 2. Press to adjust thermostat setting to 1° above room temperature. The heating system should begin to operate and the thermostat will indicate Heat On. 3. For heat pump with auxiliary- Press to adjust thermostat setting to 3° above room temperature. The auxiliary heat should begin to operate and the thermostat will indicate Heat On Aux. 4. Press to adjust thermostat setting below room temperature.
5.4 Cooling system 1. Press the system button to select the Cool position. 2. Press to adjust thermostat setting 1° below room temperature. The blower should come on immediately on high speed, followed by cold air circulation. The thermostat will indicate Cool On. There can be up to a 5 minute delay. (see INSTALLER MENU, item 50) 3. Press to adjust thermostat setting to 1° above room temperature. The cooling system should stop operating and the Cool On icon will disappear. 6. USING YOUR THERMOSTAT 6.
User Menu # (Press Menu button and release) Settings Default Setting (flashing icons) (Press 01 Fahrenheit or Celsius °F °F – Fahrenheit °C – Celsius 02 Temperature Display Adjustment: adjust the Room Temperature) 0 -5 to +5 03 04 05 24 Description or ) Continuous Display Light: keep the backlight always on – “C” wire required OFF On – always on OFF – momentarily Auto Changeover: Thermostat automatically switches between heat and cool OFF On - enable auto OFF - disable auto Keypad Lock
6.2 Thermostat operation • Away – Store a frequently used temperature so that you can easily select that setting with the touch of a button. Set up by using or to change the set point. At the desired set point, hold the Away button for 3 seconds. Once the information is stored the set point will flash one time. Perform this action to store an away setting for both Cool and Heat modes. (Example: Set an away temperature to 88°F in the summer for cool and 55°F in the winter for heat.
7 SPECIFICATIONS Electrical Rating: Battery Power....................................................... mV to 30 VAC, NEC Class II, 50/60 Hz or DC Input-Harwire........................................................ 20 to 30 VAC, NEC Class II, 50/60 Hz Terminal Load.......................................................... 1.5 A per terminal, 2.5A maximum all terminals combined Setpoint Range........................................................
8. TROUBLESHOOTING Symptom Possible Cause Corrective Action No Heat/No Cool/No Fan (common problem) 1. Blown fuse or tripped circuit breaker 1. Replace fuse or reset breaker. 2. Furnace power switch to OFF 2. Turn switch to ON. 3. Furnace blower compartment door or panel loose or not properly installed 3. Replace door panel in proper position to engage safety interlock or door switch. 4. Loose connection to thermostat or system 4. Tighten connections 1. System not set to Heat 1.
Symptom Possible Cause No Heat (contd.) No Cool 3. (contd.) This sound indicates the thermostat is operating properly.If the thermostat does not click, try the reset operation listed below. If the thermostat does not click after being reset, contact your heating and cooling service person or place of purchase for a replacement. If the thermostat clicks, contact the furnace manufacturer or a service person to verify the heating system is operating correctly. 1. System not set to Cool 1.
Symptom Possible Cause Corrective Action Heat, Cool or Fan Runs Constantly. Possible short in wiring, thermostat, heat, cool or fan system Check each wire connection to verify they are not shorted or touching other wires. Try resetting the thermostat. If the condition persists contact your HVAC service person. Thermostat Display & Thermometer Disagree Thermostat display requires adjustment Display can be adjusted +/-5°.
Symptom Possible Cause Corrective Action “Call for Service” icon appears on displayed 1. Heating system is not able to heat the space to within 10 degrees of the setpoint within 2 hours 1. See corrective action for “No Heat” 2. Cooling system is not able to cool the space to within 10 degrees of the setpoint within 2 hours 3. If “--” is displayed for the Room Temperature, a replacement thermostat is needed 4. None of the buttons operate on the thermostat 2. See corrective action for “No Cool” 3.
Resetting the Thermostat or Thermostat Settings If the thermostat has good batteries, but has a blank display or does not respond to key presses, the thermostat should be reset by removing the batteries for 2 minutes. This reset will not change the menu settings or program. If the condition persists after reinstalling the batteries, replace the thermostat.
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.
