Owner's Manual

GETTING
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Safety Definitions and Precautions
Safety Definitions
These safety terms identify information you must read.
CAUTION: Indicates a hazardous situation which, if not avoided, could cause bodily injury
or property damage.
WARNING: Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Safety Precautions
CAUTION: Electrical shock hazard.
Can cause personal injury or equipment damage.
Disconnect power supply to prevent electrical shock or equipment damage.
CAUTION: Electrical Shock Hazard.
Can cause personal injury.
Be sure ventilator is correctly grounded. Confirm polarity of power line switched with safety (disconnect)
switch when cleaning or servicing unit.
CAUTION: Electrical Hazard.
Can cause equipment damage
Disconnect HRV/ERV from power source before connecting or disconnecting digital fan timer or other
device to HRV/ERV high-speed override terminals.
Make sure you read and understand the following safety and/or property hazards before installing,
using, or working with the Perfect Window™ Fresh Air Ventilation System:
All ducting to the outdoors must be terminated above anticipated snow lines and be fitted with a •
weather cap that incorporates bird screening.
HR150, 200; ER150, 200 Perfect Window™ Fresh Air Ventilation Systems 68-0171—12
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