Rafael Santoro, Application Enginee, CAREL Sud América at ATMO Virtual Trade Show 2021. Introduction of CAREL solutions for CO2 compressor racks - pRack300T. This introduction presents a simplified view of the P+I control for a standard CO2 system in multiple configurations (parallel compressor, emJ), the main features available on the controller and a brief overview of the first compressor rack designed and assembled in South America. Know more: natref.carel.com

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pRack300T
Aplicações de CO2
Transcrítico
Rafael Santoro
30 de Março
2021

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Chat: Comentários e
problemas com a plataforma
Q&A: Perguntas sobre a
apresentação
Instruções Zoom

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Natural refrigerants in
commercial refrigeration
Racks Cabinets Semi plug-in
Food Service
IoT service Natural refrigerants

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Fonte: Shecco Base
Instalações CO2 Transcriticas Atuais
Aprox.
20%

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Booster - Standard Compresor Paralelo - Eco
pRack 300 CO2 Transcrítico

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pRack 300 CO2 Transcrítico

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Modelos
25 I/Os
36 I/Os
42 I/Os
52 I/Os
I/O EXPANSION
+16 I/Os

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Modulo de Expansão de I/Os
+10 UIN
+6 DO

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Controle Multiboard

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Alta pressão - Gas Cooler e HPV
- Controle do Ventilador do GC por
Temperatura de saída
- Controle P+I
- Sinal 0-10V para Ventilador
- Sinal 0-10V para Bypass GC
- Válvula em aço inoxidável até 140barg

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• Parte do refrigerante expandido pela HPV
permanece no estado de vapor e deve ser
direcionado para a linha MT para que a
pressão do tanque seja constante.
• Como a pressão MT é menor que a
pressão do tanque, a Válvula RPRV faz
esse controle.
This document and all of its contents are property of CAREL. All unauthorised use, reproduction or distribution of this document or the information contained in it, by anyone other than CAREL, is severely forbidden. All data refer to year 2017
Media Pressão – RPRV (Flash)

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pRack300 Medio + Driver EEV Embutido
- Driver EEV Embutido
- RPRV (Flash)
- HPV
- Ultracap Embutido

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pRack300 Medio + Driver EEV Externo
- 2x Driver EVD Single
RPRV (Flash) + HPV
OU
- Driver EVD Twin
RPRV (Flash) + HPV
- Ultracap Externo
- Alarmes concentrados
no pRack

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Software de Dimensionamento de EEV

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pRack 300 Transcrítico
Tgc ≥ T12 and Pgc ≤ Pmax
T23 ≤ Tgc ≤ T12
Tmin ≤ Tgc ≤ T23

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Intercooler
- Resfriamento da Descarga BT
- Controle por Temperatura
- Sonda backup em caso de
falha no sensor (MT Suc P.)
- Controle 0-10V (Inversor)

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ETV
Oil press
Suc. press
Controle de Óleo
- 2 Metodos de gerenciamento
- Gerencia até 2 níveis de óleo
OU
- Pressão sucção x reservatório
- Gestão em todas as linhas

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Trocadores de Calor (Heat Reclaim)
- HR1 Geralmente Água 70ºC
- HR2 Geralmente Água 45ºC
- Controle de bombas
- Controle bypass do GC (0-10V)

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20 kW
135 kW
Ejetor de Vapor

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Modo Ejetor de Vapor no Sistema
26 barg
80 barg
35 barg
30 barg
80 barg
33-38 barg

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Controle das Linhas - MPX

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Tecnologia EEV em todo o sistema

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Segurança na sua instalação

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Instalação monitorada

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A Família Boss

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O Supervisório trabalha para você!

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A Solução Completa

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27 KW - MT
7 KW - Paralelo
12 KW - BT
Estudo de Caso - Equador

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Contatos:
Rafael Santoro
rafael.santoro@carel.com
+ 55 19 9 995894108
Perguntas e Respostas

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Visit
Natref.carel.com