Introduction; Basic Unit Operation - iceqube EX series Operation And Installation Manual

Introduction

Ice Qube computer and electronics enclosure cooling systems have been designed to provide a safe
environment for your equipment. Our cooling systems provide this environment by cooling and
dehumidifying the enclosure that houses your equipment while providing an efficient, modern, and
aesthetically pleasing package requiring minimal maintenance. Our closed-loop circulation design also
protects your equipment from air-borne dust and contaminants which may hinder your equipment
operations and cause unnecessary downtime. Ice Qube offers various models of cooling systems ranging in
cooling capacity from 1,000 to 27,000 BTU per hour to provide air conditioning systems for many of your
environmental needs, including hazardous locations. Ice Qube cooling systems are available in top and side
mount packages.

Basic Unit Operation

The Ice Qube Thermal Management System (TMS) is a combination of several systems that function
simultaneously to maintain environmentally friendly conditions for your equipment within the enclosure.
The three main thermal related systems that we employ are the closed-loop cold air supply stream, the heat
rejection air stream, and the vapor-compression refrigeration system.
The closed-loop cold air supply stream circulates cold air from the Ice Qube TMS to your electronics
enclosure. This air returns to the Ice Qube TMS bringing with it unwanted heat and humidity from inside
your enclosure. Heat and humidity is then removed by a heat exchanger which is part of the vapor-
compression refrigeration system.
At the heart of the vapor-compression refrigeration system is a quiet, energy efficient rotary compressor,
which circulates environmentally friendly NON-CFC refrigerant to transfer heat from the heat exchanger
(evaporator) located within the closed-loop air stream to a heat exchanger (condenser) located in the heat
rejection air system. In the heat rejection air stream, air is circulated from the ambient air surrounding the
enclosure, through a filter, and across the warm heat exchanger. Here, heat from the enclosure is transferred
from the warm heat exchanger to the heat rejection air stream and dissipated to the ambient air.
Condenser Heat Evaporator Cold
Rejection Air Stream Air Supply Stream
3
Rev. 1