Intronics Digital Room Thermostat User Guide -

| Feature | PI-01 | PI-02 | PI-03 | PI-04 | DT08 | | :--- | :--- | :--- | :--- | :--- | :--- | | Control Type | Floating | Floating | Modulating | Modulating | On/Off | | Power Switch | No | Yes | No | Yes | Yes | | Display Mode Selection | Yes | Yes | Yes | Yes | LED only | | Remote Sensor Option | Yes | Yes | Yes | Yes | No | | Energy Savings Input | Yes | Yes | Yes | Yes | No | | Turbo/Econo Function | No | No | No | No | Yes |

For models that support fractional temperature display, press and hold both buttons to toggle between showing whole numbers (e.g., 22°C) or decimals (e.g., 22.5°C).

Pauses the programmed schedule to maintain one set temperature indefinitely. intronics digital room thermostat user guide

: A two-piece unit suitable for mini-splits and chilled water systems, featuring a self-diagnostic mode and auto-restart capability.

Tip: Default periods are Wake → Leave → Return → Sleep. Some models allow 4–6 events per day. | Feature | PI-01 | PI-02 | PI-03

Set Period 2 (Daytime): Choose a lower energy-saving temperature for when you are away (e.g., 16°C at 08:30).

: Verify if the heating system fuse or circuit breaker has tripped. The Heating Does Not Turn On Tip: Default periods are Wake → Leave → Return → Sleep

: Switches between automatic fan mode and continuous run. Technical Specifications Specification Power Source 2x AA Alkaline Batteries or 24V AC Hardwire Temperature Range 5°C to 35°C (41°F to 95°F) Switch Rating 3A or 16A resistive (model dependent) Accuracy ±0.5°C (±1°F) Sensor Type NTC Thermistor Step-by-Step Installation Guide

The Intronics digital room thermostat series, including popular models like the and Digital Room Thermostat II , offers specialized control for HVAC systems like mini-splits, duct-type units, and chilled water systems. Core Controls & Functions

If the thermostat is acting erratically, ensure the wires are securely connected to the base.

If you have a DT series wired control, the installation process is similar. However, note that the DT08 model uses only a 2-wire cable between the main control unit and the display panel, which simplifies the wiring process.