INSTALLATION
1. The compactness of the FX series, plus the adaptability to be mounted in any position, permits easy installation. This straight-
thru air flow fan can be mounted at any angle from horizontal to vertical.
2. Because this unit has rotating parts, safety precautions should be exercised during phase of installation, operation and maintenance.
3. CAUTION: For General Ventilation Use Only. Do Not Use To Exhaust Hazardous Or Explosive Material and Vapors.
4. Remove unit from package and inspect within 15 days after receipt. If damaged, report damage to carrier. Do NOT operate this
unit with visible damage to the blower or impeller assembly.
5. Ensure centrifugal impeller has free rotation. If impeller hits orifice, check screws holding motor bracket. Adjustment can be
made by loosening motor bracket screws. Tighten all screws before operating unit. WEAR HAND PROTECTION AND STAY CLEAR
OF SHARP EDGES.
6. 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 your
manufacturers representative.
B. Before servicing or cleaning unit, switch power off at service panel and lock service panel to prevent
from being switched on accidentally.
C. Installation work and electrical wiring must be done by qualified person(s) in accordance with all
applicable codes and standards, including fire-rated construction.
D. The combustion airflow needed for safe operation of fuel burning equipment may be affected by this
unit's operation. Follow the heating equipment manufacturer's guideline and safety standards such as
those published by the National Fire Association (NFPA), and the American Society for Heating,
Refrigeration and Air Conditioning Engineers (ASHRAE), and the local authorities.
E. When cutting or drilling into wall and ceiling, do not damage electrical wiring and other hidden utilities.
F. Ducted fans must always be vented to the outdoors.
G. If this unit is to be installed over a tub or shower, it must be marked as appropriate for the application.
H. NEVER place a switch where it can be reached from a tub or shower.
7. For Model FX fans, if bracket is used to mount fan, refer to illustration 1. If suspending Model FX fan with hanger straps, refer to
illustration 2. CAUTION: Fan bracket screws must be intalled a minimum of 1¹ ₈ inches (28mm) away from the intake collar for the
models FX6, FX6XL, FX8, and FX8XL.
8. To attach duct work, use duct tape at inlet and outlet to assure good seal. If using FANTECH FC clamps: attach FC clamps and
insert screws through clamp into inlet and outlet flanges. CAUTION: Use 1" sheet metal screws to secure duct work to inlet and
outlet. It is critical screw penetrate the metal of the inlet flange but not so far as to obstruct the impeller. It may be necessary to
angle screws away from impeller.
9. Screen guards must be installed when fan will be within reach of personnel, within seven (7) feet of working area, or when
advisable for safety.
(Illustration 1)
Fan bracket should be installed, then fan mounted directly to bracket
using sheet metal screws.
2
FX Series
INSTALLATION DIAGRAMS FOR MODEL FX DUCT FANS
(Illustration 2)
Clamp Fastener
Fans may be
suspended
without special
mounting
brackets.
Vibration absorbing material
Duct Fan
Screws
Spiral duct