PB SeriesIMPORTANT: PLEASE READ THIS MANUAL BEFORE INSTALLING UNITPREMIUM BATH FANSINSTALLATION, OPERATION AND MAINTENANCE MANUALWARNINGS:DO NOT CONNECT POWER SUPPLY until unit is completely installed.Make sure electrical service to the fan and light is locked in“OFF” position.WARNING! TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS –OBSERVE THE FOLLOWING:a. Use this unit only in the manner intended by the manufacturer. If you have any questions, contact yourmanufacturer's representative.b. CAUTION: Before installation, servicing or cleaning unit, switch power off at service panel and lock the servicedisconnecting means to prevent power from being switched on accidentally. When the service disconnectingmeans cannot be locked, securely fasten a prominent warning device, such as tag, to the service panel.c. Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicablecodes and standards. This unit is only for use in non-fire-rated installations.d. When cutting or drilling into wall and ceiling, do not damage electrical wiring and other hidden utilities.e. NEVER place a switch where it can be reached from a tub or shower.f. If this unit is installed over a tub or shower, it must be connected to a GFCI (Ground Fault Circuit Interrupter) –protected branch circuit.g. The combustion airflow needed for safe operation of fuel burning equipment may be affected by this unit’soperation. Follow the heating equipment manufacturer’s guidelines and safety standards such as thosepublished by the National Fire Protection association (NFPA), the American Society of Heating, Refrigeration,and Air Conditioning Engineers (ASHRAE) and the local code authorities.h. Exhaust fans must always be vented to the outdoors.CAUTION: "For General Ventilation Use Only. Do Not Use To Exhaust Hazardous Or Explosive Material and Vapors."CAUTION: BULB USED IN FLUORESCENT MODELS NOT DIMMABLECAUTION: USE ONLY FANTECH (MODEL PBB14) FLUORESCENT BULBS ANDPAR16/MR16 GU10 50W MAX. HALOGEN BULBS (FANTECH MODEL PBB50).Single Grille Units4" DuctPB110PB110FPB110HPB190PB270-2PB270F-2PB270H-2PB270FV-2PB270HV-2PB370-2Single and Dual Grille Units 6" DuctSEVEN-YEARWARRANTY