2–1
2 – SAFETY NOTES
Munters is concerned about the safety of anyone who uses or services the HC-150 unit.
Some of the parts inside the HC-150 can be dangerous if an untrained person tries to
service the unit. Throughout this manual, we have pointed out some of the hazards
which may occur in the use of the HC-150. We have also listed the precautions which
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 which will result in severe personal injury or
death.
Hazard or unsafe practice which may result in severe personal
injury or death.
Hazard or unsafe practice which could result in minor personal
injury or property damage.
Please keep these points in mind as you use or service the unit:
The HC-150 is wired for 115V to 240V AC. The unit can produce enough
voltage and current to kill you, or cause severe burns. Do not work with
the electrical parts unless you are a trained electrician. Always turn off
the power before you work inside the unit. There should be a
disconnect switch installed outside the unit. Turn off this switch
before you do any work. For extra safety, also turn off the circuit
breaker inside the unit.
Some HC-150 units are purchased with an optional humidistat. If wired
incorrectly, the contacts inside the humidistat may carry a high
voltage. This voltage and current can cause serious injury or death.
Don’t work on the parts inside the humidistat unless you are a trained
electrician.
Don’t place the HC-150 unit outdoors. The cabinet is not weather-
proof. If the unit is mounted outdoors, water may drip into the
electrical parts. This may cause an electrical shock hazard.
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