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WATTS IOM-T-564 tekmar Invita WiFi Thermostat Instruction Manual

Installation Manual  
IOM-T-564  
Installation, Operation and Maintenance  
Invita® WiFi Thermostat  
Wall Plate  
HVAC  
Invita®  
Interface Module  
WiFi Thermostat  
Compatible With  
• Conventional systems:  
2-stage heating, 2-stage cooling, fan and 2 accessories  
Works with the  
Watts® Home Mobile App  
• Heat pump systems:  
4-stage heating, 2-stage cooling, fan,reversing valve  
and 1 accessory  
• Supports dual fuel systems  
• Accessory options:  
Humidifier, dehumidifier, HRV/ERV ventilator, heat pump loop valve  
!
WARNING  
Please read carefully before proceeding with  
installation. Your failure to follow any attached  
instructions or operating parameters may lead to the  
product’s failure.  
Keep this Manual for future reference.  
GeneralDetails
NameWATTS IOM-T-564 tekmar Invita WiFi Thermostat Instruction Manual
MakeWATTS
LanguageEnglish
FiletypePDF (Download)
File size0.66 MB
Download PDF
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WATTS IOM-T-564 tekmar Invita WiFi Thermostat Instruction Manual
Get the free PDF manual for the WATTS IOM-T-564 tekmar Invita WiFi Thermostat Instruction Manual and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

Watts IOM-T-564 tekmar Invita Manual: Questions and Answers

Can I install the Watts IOM-T-564 with wire longer than 500 feet?

No. The maximum wire length is 500 feet (150 m). Instruction Manual, p. 4

Where do I connect wires on the Watts IOM-T-564?

Connect wires to the terminals on the back of the thermostat. Instruction Manual, p. 5

What does WINDOW PROTECTION do on the Watts IOM-T-564 tekmar Invita?

When enabled, it automatically lowers the relative humidity setpoint during cold outdoor temperatures to prevent frost buildup on windows. Instruction Manual, p. 24

What does the Humidify To setting do on the Watts IOM-T-564 tekmar Invita?

The humidifier turns on when RH drops 3% below this setting and shuts off when RH reaches it. Instruction Manual, p. 30

What does INTERNAL HUMIDITY SENSOR FAULT mean on the Watts IOM-T-564?

The thermostat cannot read the internal humidity sensor due to an open or short circuit. Instruction Manual, p. 32

How do I fix a COMMUNICATION ERROR on the Watts IOM-T-564?

Check the transformer VA rating is sufficient for all equipment and verify power supply voltage to the HVAC Interface Module with a volt meter. The error clears automatically once communication is restored. Instruction Manual, p. 32

Is the Watts IOM-T-564 connected to WiFi and the cloud?

Press > WiFi > WiFi: On to view connection status. The thermostat shows IoT Connected when linked to the Watts Cloud and ready for app registration. Instruction Manual, p. 17

What WiFi signal strength does the Watts IOM-T-564 tekmar Invita need?

Between 0 and -69 dB for a reliable connection. A WiFi extender is recommended if signal measures -70 to -100 dB. Instruction Manual, p. 17

How do I reset the Watts IOM-T-564 tekmar Invita WiFi connection?

Power off the thermostat and router, then restore them in sequence.

  1. Power the thermostat off.
  2. Power the router off.
  3. Wait 10 seconds.
  4. Power the router on and wait for Internet status to turn on.
  5. Power the thermostat on. Instruction Manual, p. 17

Does the Watts IOM-T-564 tekmar Invita work with 5 GHz WiFi networks?

No, the thermostat is not compatible with 5 GHz networks. The router must provide a 2.4 GHz signal. Instruction Manual, p. 17

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