Thermador PH48HS User Manual

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English 2
IMPORTANT SAFETY INSTRUCTIONS
READ AND SAVE THESE INSTRUCTIONS
Grounding Instructions:
This appliance must be grounded. In the event of an 
electrical short circuit, grounding reduces the risk of electric 
shock by providing an escape wire for the electric current.
Be sure your appliance is properly installed and grounded 
by a qualified technician. Installation, electrical connections 
and grounding must comply with all applicable codes.
WARNING – TO REDUCE THE RISK OF FIRE, 
ELECTRIC SHOCK AND INJURY TO PERSONS 
OBSERVE THE FOLLOWING:
This ventilator assembly must be installed with 
THERMADOR
® 
recommended blowers only. Contact 
Customer Service for additional options.
Use this unit only in the manner intended by the 
manufacturer. If you have questions, contact Customer 
Service at 1-800-735-4328.
Before servicing or cleaning unit, switch power OFF at 
service panel and lock the service disconnecting 
means to prevent power from being switched on 
accidentally. When the service disconnecting means 
cannot be locked, securely fasten a prominent warning 
device, such as a tag, to the service panel.
Installation work and electrical wiring must be done by 
qualified person(s) in accordance with all applicable 
codes and standards, including fire-rated construction.
Sufficient air is needed for proper combustion and 
exhausting of gases through the flue (chimney) of fuel 
burning equipment to prevent back drafting. Follow the 
heating equipment manufacturer’s guideline and safety 
standards such as those published by the National Fire 
Protection Association (NFPA), and the American 
Society for Heating, Refrigeration and Air Conditioning 
Engineers (ASHRAE), and the local code authorities.
When cutting or drilling into wall or ceiling, do not 
damage electrical wiring and other hidden utilities.
Ducted fans must always be vented to the outdoors.
To properly exhaust air, be sure to duct air outside. Do 
not vent exhaust air into spaces within walls, ceilings, 
attics, crawl spaces or garages.
Before you plug in an electrical cord, be sure all 
controls are in the OFF position.
WARNING: 
Improper grounding can result in a risk of electric shock. 
Consult a qualified electrician if the grounding 
instructions are not completely understood, or if doubt 
exists as to whether the appliance is properly grounded. 
WARNING: 
To Reduce The Risk Of Fire Or Electric Shock
Do not use this fan with any solid-state speed control 
devices. 
WARNING:
Halogen lights and heat lamps might be hot. 
Disconnect from power and allow to cool 
before servicing.
WARNING: 
Local building codes may require the use of make-up air 
systems when using ducted ventilation systems greater 
than specified CFM of air movement. The specified CFM 
varies from locale to locale. Consult your HVAC 
professional for specific requirements in your area. 
CAUTION:
 
For general ventilating use only. DO NOT use to exhaust 
hazardous or explosive materials or vapors.