2
2 Safety
Munters is concerned about the safety of anyone who uses or services the HCU unit. Some of the parts
inside the HCU can be dangerous if an untrained person tries to service the unit. Throughout this
manual, we have pointed out some of the hazards that may occur in the use of the HCU. We have also
listed the precautions that you should take to avoid these problems.
In this manual, we will use three different kinds of messages to warn you of possible problems:
Immediate hazard that will result in severe personal injury or death.
Hazard or unsafe practice that may result in severe personal injury or death.
Hazard or unsafe practice that could result in minor personal injury or property
damage.
Please keep these points in mind as you use or service the unit:
The HCU is wired for up to 480V AC. The unit can produce enough voltage and
current to cause serious injury or death. Always turn off and lock out the power
before you work inside the unit. Do not work with the electrical parts unless you
are a trained electrician.
The HCU unit includes three or four fans - the supply, reactivation, and
condenser fans. Keep your hands away from the fans while the unit is turned on.
Before working with the machine, allow enough time for the fans to come to a
complete stop.
The wheel used in the HCU is heavy. When working near the wheel when it is
inside the unit, and the wheel is propped up, use blocks to prevent the wheel
from moving accidentally.
This unit is designed for outdoor use. However, it is not waterproof and
weatherproof unless all panels are secured in place and doors closed.
During normal operations, do not run the unit unless the panels are in place and
doors closed.
PLEASE READ THIS ENTIRE MANUAL. PLEASE FOLLOW THE INSTRUCTIONS CAREFULLY AND
COMPLETELY. PLEASE PAY PARTICULAR ATTENTION TO THE SAFETY INSTRUCTIONS AND
PRECAUTIONS.
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