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Quext Smart Thermostat and Lock 

10 

Installation Guide 

Fan Output

A.  Turn the rotary knob counterclockwise. The 

Mode icon in the upper left quadrant of the display should 

begin flashing. 

B.  Rotate the knob one click clockwise. The 

Fan icon should begin flashing.

C.  Press the knob one time. A menu displaying 

AUTOON and CIRC will appear in the lower right quadrant of 

the display. 

D.  Rotate the knob one click clockwise. The 

ON icon will begin flashing. 

E.  Press the knob one time.

 

▪ A multitest meter can now be used to test the thermostat fan control output.

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 complies with part 15 of the FCC Rules. Operation is subject to the following 

two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference 

received, including interference that may cause undesired operation.

The FCC regulations provide that changes or modifications not expressly approved by Quext LLC could void your 

authority to operate this equipment. Maintain a distance of 20 cm (8 inches) from your body to be consistent with how 

the device is tested for compliance with RF exposure requirements.

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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