Page 1
ZEN Thermostat ™ Manufacturer's Installation Guide...
Page 2
ZEN, which are customised to the specific wiring configuration of the user. Complex or Unusual Installations The ZEN Online Installation Guide works for over 90% of install situations. However, if a wiring combination is not recognised, the user is notified.
Page 3
If the HVAC system is not compatible with ZEN, please return ZEN to the place of purchase. Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | Installation Tips and Tricks...
The way in which the old thermostat is wired and labelled is one of the best guides for how to wire up the ZEN thermostat. Correctly identifying the wires that exist ensures that all the functions of your heating and cooling system will be able to be controlled by the ZEN thermostat.
Page 5
If you have stranded wire, ensure that all strands are safely captured in the terminal. If the installation guide has specified that some wires should not be connected, ensure that they are properly insulated. Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | Installation Tips and Tricks...
Page 6
Rc and Rh connected to common return › Aux connected to same return as Rh › Applies to most single stage systems and heatpump systems Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | Installation Tips and Tricks...
Page 7
Aux connected to separate return circuit › Applies to most heatpump systems where the auxiliary heat system is separate equipment No Links › This configuration is never used Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | Installation Tips and Tricks...
Page 8
The blanking plate can be used in either portrait or landscape orientation Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | Installation Tips and Tricks...
Page 9
HVAC system When the main display is removed from the wall, it enters PREFS mode which allows setting of the thermostat preferences. Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | Installation Tips and Tricks...
Page 10
These include the type and number of heating and cooling stages. A detailed description of the ZEN configuration codes is given in the following section. When first installed, ZEN does not have any configuration set. The display will show “ZEN” until the CONFIG button is pressed and configuration is entered.
Page 11
ZEN HVAC Configuration System ZEN uses a configuration code to set the important working parameters required by a thermostat. These include the type and number of heating and cooling stages. Basic configuration is suitable for most installations and is highly recommended for DIY installs.
Page 12
Single Stage, Electric Single Stage, Heatpump Single Stage, Hydronic Not used 2 Stage, Fuel (Gas or Oil) 2 Stage, Electric 2 Stage, Heatpump 2 Stage, Hydronic Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | HVAC Configuration System...
Page 13
Single Stage, Heatpump, Evaporative or Hydronic Not used Not used Not used Not used 2 Stage, Heatpump, Evaporative or Hydronic Not used Not used 2 Stage, Hydronic Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | HVAC Configuration System...
Page 14
Heatpump and Fan Options Switching Has Emergency Has a change- Digit Fan Control changeover Heating? over valve valve cools Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | HVAC Configuration System...
The guide will show an “Advanced Settings” button at the end of the installation workflow. Click on the blue arrow to enter the advanced settings page. Smart Home Monitoring | Zen Thermostat | Manufacturer's Installation Guide | Advanced Settings...
Need help?
Do you have a question about the ZEN and is the answer not in the manual?
Questions and answers