61799 LG Multi V Catalogue 9/5/07 9:18 am Page 98

CNU (I-Gateway) / PI485

CNU (I-Gateway)

Features

CNU converts the ethernet protocol into RS 485 protocol and vice versa.

Used with deluxe and P/C based central controllers.

PQNFG14B0

Part description

Adaptor connection

DC 9V (supplied)

RJ45 connector

Connected with the HUB

Deluxe central controller

PI485 connection

 

BUS_A : PI485 A terminal[+]

AC/DC adaptor

BUS_B : PI485 B terminal[-]

Wiring diagram

Cross cable

Without hub

Direct cable

With hub

Direct cable

PI485

Features

 

 

PI485 converts the protocol of air-conditioner to the 485

 

 

protocol for central controller.

 

 

Device for simple/deluxe/PC controllers.

 

 

Supports communication wires length flexibility up to 1km.

 

 

Different types of PCB for different products.

 

 

-Option select (LGAP, CAC, RAC)

PMNFP14A0

PMNFP14A1

-LED display (Communication state)

-Four different types

 

 

Available Max. 16 Indoor units : PMNFP14A0

 

 

Available Max. 48 Indoor units : PMNFP14A1

Wiring diagram

outdoor PCB

CN_central

Multi outdoor terminal block

A B E F C D VCC GND

BUS_A

BUS_B

BUS_A

BUS_B

98_ Air conditioning system

Page 98
Image 98
LG Electronics PRHR040 manual CNU I-Gateway, PI485

PRHR040 specifications

LG Electronics has long been a leader in innovative technology and household appliances, and the LG PRHR040 is no exception. This high-performance air conditioning unit is designed to provide optimal cooling and heating solutions for residential and commercial spaces. With its advanced features and user-friendly design, the PRHR040 is poised to enhance comfort while improving energy efficiency.

One of the standout features of the LG PRHR040 is its powerful cooling and heating capabilities. With a high cooling capacity of 4.0 kW and heating capacity of 4.5 kW, this unit is capable of quickly achieving desired temperatures in varied climates. This makes it an ideal choice for regions experiencing extreme temperatures, providing reliable performance year-round.

The PRHR040 utilizes inverter technology, which adjusts its cooling and heating output based on the room's requirements. This not only enhances comfort by maintaining a consistent temperature but also significantly reduces energy consumption. By operating at variable speeds, the inverter system reduces the frequency of on/off cycles, leading to quieter operation and lower electricity bills.

In terms of design, the LG PRHR040 is compact and sleek, easily fitting into various interior settings. Its modern aesthetic is complemented by a user-friendly interface, featuring intuitive controls that allow users to manage settings with ease. Additionally, it supports remote control capabilities, enabling users to adjust their climate settings from anywhere in their home via a smartphone app.

Another noteworthy characteristic of the PRHR040 is its advanced air filtration system. Equipped with a multi-stage filter, this system captures dust, pollen, and other airborne particles, ensuring that the air quality in your living or working environment is clean and healthy. This is particularly beneficial for allergy sufferers and those with respiratory issues.

Moreover, the unit is designed with noise reduction technology, ensuring that operation is as quiet as possible. This means that users can enjoy their comfortable environment without disruptive background noise, whether they're working, relaxing, or sleeping.

In conclusion, the LG Electronics PRHR040 is a cutting-edge air conditioning unit that combines efficiency, performance, and modern design. With its powerful cooling and heating capabilities, advanced inverter technology, user-friendly interface, and effective air filtration system, it stands out as a top choice for anyone looking to enhance their indoor climate control while maintaining energy efficiency. The PRHR040 exemplifies LG's commitment to innovation and quality in home appliances.