1385, boul. Lionel-Boulet, Varennes, Québec J3X 1P7 Toll Free: 1 888 514-8007
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Tel: 438 338-1101
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Fax: 450 922-5900
www.nagasinnovation.com
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power before servicing. DO NOT bypass any interlock or safety switches under any circumstances.
WARNING!
Follow the cleaning instructions and recommended inspection schedule to reduce the risk of mold or other
bacterial growth. Property damage or personal injury claims may result from mold or biological growth arising
from improper installation, inadequate maintenance, or failure to inspect. Nagas Innovation has no
responsibility for and makes no express or implied warranties regarding mold or bacterial growth or any other
indoor air quality issues. If mold or biological growth is present, determine and fix the cause. Properly remove
and dispose of the contamination. Properly clean and sanitize the affected area using only approved sanitizers
suitable for HVAC equipment.
DANGER!
When servicing the unit, the internal components may be hot enough to cause pain or injury. Allow time for
cooling before servicing.
CAUTION!
Label all wires prior to removal when servicing controls or critical components. Wiring errors can cause
improper and dangerous operation. Verify proper operation after servicing.
NOTICE
For additional information always refer to the part manufacturers’ literature.
If you don't have a maintenance history the warranty can be voided for failure to prove reasonable and
necessary maintenance. It is recommended that the owner of the equipment keep a maintenance file for each
unit for future reference, including, but not limited to, the installation date, which parts have been replaced
or repaired and when, and any other servicing history that could be relevant.
9.1.
Electrical components
1.
Check all wiring for loose connections.
2.
Check voltage at unit (while in operation).
3.
Check amperages draw against unit rating plate.
4.
Where possible, all contactors should be inspected to ensure that contacts are clean and are making
good contact. If contacts are abnormally pitted or burned badly, replace contactor. Single phasing and
motor burnouts can result from bad contacts.
9.2.
Belt and Pulley adjustments
For maximum belt and bearing life, pulley alignment and belt tension must be properly maintained. Only
replace with belts of the proper type and size.
Alignment: Pulleys must be aligned to within 1/16” per foot (1 mm per 760 mm) of span.