Air Handlers
Due to high system pressure and electrical shock in potential, installation and
service work can be dangerous. Only trained and qualified persons are permitted to
install or service this equipment. Observe all warnings contained in this manual and
labels/tags attached to the equipment.
This product is factory shipped for use with a 208/230V-1Ph-60Hz electrical
power supply. This air handler must not be reconfigured to operate with any other
power supply.
The unit must have an uninterrupted, unbroken electric grounding to minimize
the possibility of personal injury if an electric fault occurs. The electric grounding
circuit may consist of an appropriate sized power cord which connected with the
grounding piece located in the unit control box and also connecting to the building
electric service panel. Other methods of grounding are permitted if performed in
accordance with the “National Electric Code” (NEC)/ “American National Standards
Institute” (ANSI)/ “National Fire Protection Association” (NFPA) 70 and local/state
codes. In Canada, electric grounding conforms to the Canadian electric code CSA
c22.1. failure to observe this warning can result in electrical shock that can cause
personal injury.
Special warning for installation of furnaces or air handling units in
enclosed areas, such as garages, utility rooms or parking areas.
Carbon monoxide producing devices (such as an automobile, space heater,
gas water heater, etc.) should not be operated in enclosed areas such as
unventilated garages, utility rooms or parking areas because of the danger of
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