MAU Installation Manual
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PRODUCT DESCRIPTION
The King make up air unit (MAU) is a packaged unit comprised of a fan driven fully modulating
electric heating unit with a fresh air relay logic control circuit providing an extremely versatile all-
in-one packaged unit. It is designed to supplement other HVAC equipment by providing quality
indoor air into the return side or supply side of the ductwork system or alternatively directly into
the building space.
WARRANTY
This equipment is warranted to be free from defects in materials and workmanship, under normal
use and service, for a period of 24 months from date of shipment. This warranty shall not apply if:
1. The equipment is not installed by a qualified installer per the installation instructions shipped
with the product.
2. The equipment is not installed in accordance with federal, state, and local codes and
regulations.
3. The equipment is used in the manner not intended by the manufacturer. Any internal wiring
changes, modifications or bypass of any controls, or installation practices not according to the
details of the instruction manual will void the product warranty.
4. The equipment is misused or neglected, or not maintained per industry standards.
5. The equipment is not operated within its published requirements and standards.
6. The installer is not authorized to make any modifications to the MAU the unit without factory
consent. The installer will be held responsible for any damage resulting from this modification,
and the UL certification could be void.
King shall not be liable for incidental and consequential losses and damages potentially
attributable to malfunctioning equipment. Should any part of the equipment prove to be defective
in material or workmanship within the 24-month warranty period, upon examination by King, such
part will be repaired or replaced at no charge. The customer shall pay all labor costs incurred in
connection with such repair or replacement. Equipment shall not be returned without prior
written authorization and all returned equipment shall be shipped freight prepaid to King.
EQUIPMENT AND PERSONAL HAZARD WARNINGS
Before installing and operating this product, the user and/or installer must read, understand, and
follow these instructions. This product must be installed by a qualified HVAC technician and the
power connection by a certified electrician, in accordance with the NEC and local building codes.
The following instructions must be followed to avoid personal injury, death, or property damage:
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