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Quext Smart Thermostat and Lock 

Installation Guide 

Thermostat Installation Steps

1.  Greet the Resident

A.  Approach the resident’s unit.

B.  Knock twice and announce, “Maintenance.”

C.  Greet the resident and explain to them that you are there to replace their thermostat. Don’t forget to 

smile!

2.  Validate the Current Unit Environment

A.  Locate the existing thermostat in the unit and write down the temperature that is displayed. 

B.  Verify the unit is maintaining temperature.

C.  Document if the temperature does not match.

D.  Turn on the heat and verify that warm air is coming out of the vents. If it is not, make a note of it. Turn on 

the air conditioning and verify that cool air is coming out of the vents. If it is not, make a note of it.

3.  Turn Off the Power

A.  Locate the unit’s breaker panel. Refer to the Community Installation Plan for direction. 

B.  Disconnect the power to the HVAC system at the breaker panel. If you cannot determine which breakers 

belong to the HVAC system, notify the resident, if home, then turn off the main circuit breaker.

C.  Confirm that the power is off by attempting to activate the HVAC system using the existing thermostat. Test 

with volt meter to verify.

4.  Remove the Existing Thermostat

A.  Pull the existing thermostat off of its base/mounting plate.

B.  Document the wiring connections.

C.  Disconnect all the wiring from the thermostat.

D.  Remove the existing thermostat and set it aside. Do not throw the thermostat away.

E.  Remove the existing mounting plate.

5.  Install the Mounting Plate

A.  Referring to the Community Installation Plan, identify where the Quext Smart Thermostat is to be installed.

B.  Install the new mounting plate.

C.  Using a level, ensure that the mounting plate is level.

D.  Wire the air handler, if required. Refer to the air handler wiring diagrams from the manufacturer’s manual. 

*Do not mount thermostat until completion of Step 7. See 

Install the Batteries on page 7.

6.  Turn the Power Back On

A.  Go back to the breaker panel and turn on the power.

Summary of Contents for quext iot

Page 1: ...Installation Manual...

Page 2: ...l Information 4 What s in the Box 4 Tools and Documents Required 4 Thermostat overview 4 Indicators 5 Thermostat Installation Steps 6 Wiring Connections 8 Troubleshooting and FAQs 9 Steps to Test Quex...

Page 3: ...Quext Smart Thermostat and Lock 3 Installation Guide Thermostat Installation...

Page 4: ...AA Batteries x8 Screws x4 Drywall Anchors x8 Tools and Documents Required Pencil Level Flathead Screwdriver 2 Phillips Screwdriver Smartphone Volt Meter Temperature Gun Community Installation Plan Io...

Page 5: ...s turned off Property control mode contact Property Management Power issue contact Property Management Solid AA batteries low Flashing 24V power not present System mode Fan mode AUTO The fan operates...

Page 6: ...he breaker panel If you cannot determine which breakers belong to the HVAC system notify the resident if home then turn off the main circuit breaker c Confirm that the power is off by attempting to ac...

Page 7: ...cool air is coming out of the vents If the air is not warm or cold check for possible loose connection with the wiring refer to Troubleshooting FAQs c Confirm that the LoRa symbol displays on the Que...

Page 8: ...Installation Guide Wiring Connections Terminal Conventional 1 Stage Heating 1 Stage Cooling R 24VAC Power from Heating Transformer Rc Not Used Y Compressor Relay C 24VAC Common Wire W Heat Relay G Fa...

Page 9: ...me Note the desired setpoint temperature should be set a minimum of 2 degrees above the ambient temperature for the Heating cycle to be initiated f The Mode icon should then appear in the upper left q...

Page 10: ...t f Set the meter to read AC voltage g Measure voltage between G Fan and C common This measurement should nominally measure as 24 volts Regulatory Information Per FCC 15 19 a 3 and a 4 this device com...

Page 11: ...Quext Smart Thermostat and Lock 11 Installation Guide Patent Numbers 10825273 10803685 10912370...

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