MAKEUP AIR KIT MODELS : MUDAMPER6 (6”) , MUDAMPER8 (8”), MUDAMPER10 (10”)
PRODUCT INSTALLATION AND SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS
PRIOR TO INSTALLATION
FOR RESIDENTIAL USE ONLY
WARNING: TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK HAZARD,
OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:
1. Shut off and disconnect all power supply to unit(s) prior to installation or service/repair of device.
2. Use this unit only in manner intended by manufacturer.
3. All applications of device must follow all applicable laws, codes, regulations, and standards.
4. Installation of device must be completed by a certified installation expert or HVAC professional.
5. For residential use only, any use beyond factory recommendations voids all warranties.
6. During extreme weather events such as large amounts of snow, ensure that the intake area for the
outside return air duct is not blocked and a clear pathway to fresh air is provided.
7. This unit is intended to be installed within the home in a location protected from any kind of moisture
8. Do not connect this kit directly to any combustion appliances
9. Do not operate this system until all installation guidelines have been adhered to
10. In cold weather climates additional insulation and vapor barriers are recommended to prevent
condensation build up
11. Any ductwork installation used with the fresh air return damper must comply with all local and
national applicable codes
Table of Contents: Page
Product Safety 1
Air Handler Fan Direct Connection Installation 2
Planning/Maintenance/Testing your System 3
Passive Airflow Installation 3
Switch Assembly Installation Options 4
Technical Specifications 5
Warranty Information / FAQ 6
Parts Supplied for Makeup Air Kit: each series /model sold as individual
kit.
*Diameter varies by model
1 - 24V Plug-in
Power Transformer
(used with direct
connection
installations only)
1 - Switch Assembly
(installed inside hood
ducting)
1 - Motorized Damper
(installed in separate
fresh air ducting)
1
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