WiFi thermostat PNI CT45 with LCD display and control via Tuya Smart

Product detailed description

PNI CT45 is a smart thermostat for heating control, which operates via WiFi and radio connection and can be managed directly from your phone using the Tuya Smart app. Its purpose is to ensure thermal comfort adapted to how you currently live. The user interface consists of a 4-inch LCD display, which is clear and easy to operate.

The device consists of two parts: the thermostat and the receiver. The receiver is installed near the boiler, while the thermostat can be mounted on the wall or placed on a horizontal surface, for example on a table or nightstand. The units communicate with each other up to a distance of 30 m.

Connection and Setup

The thermostat connects to a 2.4 GHz WiFi network. In the Tuya app, you can add it automatically via Bluetooth or manually among smart devices. Radio communication between the units operates at a frequency of 868 MHz.

Operating Modes and Features

The thermostat can operate either manually or according to a schedule. In the scheduled mode, you can set different temperatures for each day of the week for the periods Home, Away, and Sleep. Additional features:

• window open detection, which automatically turns off heating in case of a sudden temperature drop
• anti-frost protection
• holiday mode
• child lock, i.e., keyboard lock
• humidity measurement displayed locally on the screen
• daily schedule with 4 time zones and a weekly schedule from Monday to Sunday

Why Consider It

Modern design is combined here with advanced connectivity. You can control home heating from anywhere, which is convenient and can reduce energy costs. PNI CT45 is therefore a practical step towards a smart home.

Technical Specifications

Central Unit with Display

• power supply via USB-C
• display: 4" LCD
• shows measured room temperature, desired temperature, humidity, current time, current program, and status of wireless or internet connection
• mounting on the wall or placing on a table, communication via radio 868 MHz and WiFi 2.4 GHz

Receiving Unit

• mounting on the wall, communication at 868 MHz, power supply 230 V AC, 50/60 Hz
• no-voltage (dry contact) relay NO/NC
• two multifunction buttons and two LED indicators showing status
• can close a classic control circuit NO (normally open) of the heating device that matches the relay parameters

Usage and Installation

The thermostat is intended for gas boilers and for wood or pellet boilers. Connect the receiver to the boiler with a cable according to the device documentation and before installation, verify that the boiler's control input matches the NO/NC relay. Since the receiver is powered from the 230 V network, the connection should be performed by a qualified person.

Package Contents

• thermostat
• central unit and receiving unit
• wall or table mount and mounting screws
• USB cable with USB-C connector

Frequently Asked Questions

How do I add the thermostat to the app?

Either automatically via Bluetooth or manually by adding it to the list of smart devices in the Tuya app.

What is the maximum distance between the thermostat and the receiver?

The communication range between the units is up to 30 m.

Does the thermostat also measure humidity?

Yes, humidity is displayed locally on the unit's screen.

Documents for Download

• User Manual (PDF)