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Home > Light Switches > ZEN74 Toggle Dimmer > ZEN74 Toggle Dimmer Change Log
ZEN74 Toggle Dimmer Change Log
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Here is a list of updates we made to the ZEN74 700 Series Toggle Dimmer so far:

VER. 1.0 (released 3/2021)

Original release


  • 700 series Z-Wave chip

  • New wiring for 3-way and 4-way set-ups compared to the ZEN24 model (always follow the diagrams in the manual)

  • No heatsink tabs and only 1.16" deep to easily fit in crowded boxes

  • Multicolor LED indicator for network troubleshooting only (not visible when covered with wall plate)

Firmware: 1.02

  • Central scene triggers for up to 10 scenes or devices

  • Smart bulb mode (disable relay)

  • Programmable double and single click behavior

  • Night light mode (press and hold the toggle down when the dimmer is off to turn on to low brightness)

VER. 1.03 (released as OTA in 05/2021)

Firmware: 1.03

  • Removed the delay for on/off control from paddle with scene control disabled
  • Added the ability to disable programming function from the paddles (Parameter 26 - see all setting details here)
  • Fixed relay behavior after power outage in smart bulb mode (both relay and on/off status are restored correctly after an outage now)
  • Fixed night light mode (doesn't activate the light anymore when disabled)
  • Fixed single-tap behavior bug in a 3-way installation (the connected 3-way switch now honors the single-tap setting as well)

VER. 10.0 (released in 09/2021)

Firmware: 10.0

  • Fixed the SetLevel command class to accept the duration and other values sent from the hub for level changes (advanced dimmer programming)
  • Ramp rate is now calculated with the account of minimum and maximum brightness levels (and just 0 - 100 only as before)

VER. 10.0 (released as OTA 04/2022)

Firmware: 10.10

  • Separated ramp rate into 4 new settings: on physical (parameter 9), on Z-Wave (parameter 28), off physical (parameter 27), and off Z-Wave (parameter 29, see all setting details here).
  • Improved night light mode (it takes 1 second instead of 2 to turn the night on via night light mode)
  • Added a new setting to indicate remote dimming duration when using the ZEN74 in association with other dimmers (parameter 30, see all setting details here).

Your ZEN74 700 Series Toggle Dimmer can be updated via OTA firmware updates, here is how to do that. You can access all firmware files here after you register your product and create an account here. Questions? Just reach out to our tech support team.

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