General installation

FAQs

• Why do I need to use twisted pair comms cable with the Passiv Smart Thermostat?
• Differences between Modbus RS485 control and Relay control
• How to find the Hub ID
• Does the Passiv Smart Thermostat impact a heat pump's warranty?
• Does the Passiv Smart Thermostat support underfloor heating with room zones?
• How do I connect a secondary circulation pump in a single zone heating system?

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Installation Guide

• Installing with a Heat Interface Unit
• Installing using relay control
• Installation Guide
• Installation Guidance Videos
• Passiv Smart Thermostat Installation Guide
• Post installation checklist

General Guidance

• Hot water cylinder temperature probe placement
• Charging wireless Thermostats
• Exiting Thermostat debug display
• Programmer wiring