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1.3 Warranty
Applied Air warrants all Applied Air products to be free from defects in material or
workmanship, under normal use and service, for a period of twelve (12) months from date
of shipment, unless a start-up form is on file and accepted by Applied Air, in which case the
warranty is twelve (12) months from date of start-up, or eighteen (18) months from date of
shipment, which ever comes first.
Warranty void if any of the following occur
:
1. A qualified heating contractor in accordance with provisions of this service manual and
safe practices does not install the duct furnace.
2. The duct furnace was not subject to only normal use in service and was misused,
neglected, altered or otherwise damaged.
3. The duct furnace is allowed to operate during building construction period.
4. The duct furnace is installed without proper clearance to combustible materials or
located in a confined space without proper ventilation for combustion. (See section 2.0
Installation)
5. The duct furnace is operated in atmospheres containing flammable vapors, chlorinated
or halogenated hydrocarbons.
6. The temperature rise across the duct furnace is in excess of that shown on the duct
furnace rating plate (see Section 3.0 Operation Instructions).
7. The duct furnace was operated at any time outside its published capacity and/or any
other fuel than prescribed.
8. Field wiring is not in accordance with the wiring diagram furnished with the duct furnace.
9. Any automatic controls were inoperative during duct furnace operation.
10. Proper maintenance is not provided on a regular basis as outlined (See Section 4.0
Maintenance).