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Installating Fan and Bracket
1. Before selecting mounting location for fan, consider the following:
a) Mount fan a minimum of 8ft. from the intake grill using insulated
flexible duct to insure a quiet operation.
b) Place fan where it can be easily accessed for service.
2. Attach the mounting bracket to a support beam with wood screws
provided. Fan can be mounted at any point along the duct and at any
angle. Vertical mounting is recommended to reduce condensation in the
fan. For horizontally mounting, either wrap insulation around the fan or
drill a 1 1/4" hole in the bottom of the housing. Add NPT insert and
drain tube (purchased separately) for drainage of condensation .
3. For PB Series fans, if bracket is used to mount fan, refer to illustration 1.
If suspending fan with hanger straps, refer to illustration 2.
4. Connect duct to inlet and outlet of fan using plastic ties or duct tape
(purchased separately). When using insulated flexible duct, the inner
vinyl core should be clamped or taped to the inlet and outlet and the
vapor barrier surrounding the insulation should be duct taped to the fan
housing.
Note: Steps 2 & 3 may be reversed.
Fantech recommends insulated flexible duct for all bathroom exhaust
applications.
Illustration 1
• PB110
• PB370-2
• PB110H
• PB110L7
• PB110L10
• PB190
• PB270-2
• PB270H-2
• PB270L7-2
• PB270L10-2
• PB270L710-2
• PB270HV-2
• PB270L7V-2
• PB270L10V-2
Fan bracket should be installed, then fan mounted directly to bracket using sheet metal screws.
Mounting Bracket & Screw Locations for FG
• PB110
• PB190
• PB370-2
• PB110L7
• PB270-2
• PB110L10
• PB270H-2
• PB110H
• PB270L7-2
• PB270L10-2
• PB270L710-2
• PB270HV-2
• PB270L7V-2
• PB270L10V-2
Illustration 2
Clamp Fastener
Duct Fan
Fans may be suspended
without special
mounting brackets.
Spiral duct
Vibration absorbing material
fantech
Flexible Duct Installation Hints
Fantech strongly recommends the use of flexible insulated duct where
ducting passes through unconditioned space or where noise is a factor.
Check local code requirements before installing. Failure to use insulated
flexible duct could result in excessive condensation buildup within the
duct, and undesirable sound levels within the room.
A minimum of 8' of insulated flexible duct is recommended between
the fan and any inlet grille. Duct should be stretched as tight and
straight as possible. Failure to do so could result in dramatic loss of
system performance. Connect flex duct to the fan with plastic zip ties or
duct tape. Connections should be airtight as possible for maximum
performance.
* The ducting from this fan to the outside of the building has a strong effect on the airflow,
noise and energy use of the fan. Use the shortest, straightest duct routing possible for best
performance, and avoid installing the fan with smaller ducts than recommended. Insulation
around the ducts can reduce energy loss and inhibit mold growth. Fans installed with existing
ducts may not achieve their rated air flow.
Electrical Connection
1. Remove the screws securing the terminal box cover located on the
fan motor mounting bracket. All fan motor and capacitor connections
are pre-wired to an electrical terminal strip. A 3/8" romex type cable
restraint connector will be needed to secure the wiring through the
knockout on the side of the terminal box.
2. Bring incoming electrical service through the romex connector and
the fan electrical service opening. Be sure to place the connector nut
over the wiring coming into the terminal box. There are two open ports
on the terminal strip. Using a small regular screwdriver, tighten the
neutral (white) wire of the incoming supply under the open terminal strip
port labeled "N". Tighten the line (black) wire of the incoming supply
under the open terminal strip port labeled "L" to the ground connection
on the terminal block.
3. Secure the romex connector. Secure the incoming supply with the
romex connector. Place the capacitor back into the terminal box.
Replace the fan terminal box cover. All fan motor and capacitor connec-
tions have been pre-wired from the factory. No additional fan wiring is
necessary.
WIRING
FD 60EM Count-down Timer for Single Location (PB 110 Series)
Terminal
Block on
Green/
Fan
Ground (bare on GRN)
Yellow
Neutral (White)
Blue
Black
Line In
Fan Motor
Brown
Capacitor
Timer 1
FD 60EM
Red
60M
White
30M
Green
20M
10M
Black
Red/Yellow
Ground
Neutral
120V AC
Supply
Line
Two Light Switches for Dual Location (PB 270 Series and PB 370-2)
Ground (GRN)
Neutral (White)
Line
120V AC
Supply
Neutral
Ground
NOTES
1. Order for wires on terminal block may not be as shown
2. Connect Neutral, Line and GRD (if required) to motor colors as shown
3. Cap off Red/Yellow wire on each switch
IPHS5 Humidity Sensor for Single (PB 110 Series)
Terminal
Block on
Green/
Fan
Ground (bare on GRN)
Yellow
Neutral (White)
Blue
Black
Line In
Brown
Capacitor
Sensor 1
IPHS5
Black
White
Green /
Red
Ground
Ground
Neutral
120V AC
Line
Supply
Terminal
Block on
Green/
Fan
Yellow
Blue
L1
Black
Fan Motor
Brown
Capacitor
Main Light
Secondary Light
Switch
Switch
Line
Traveler
Load
Traveler
(Black Lug)
(Black Lug)
(Brass Lug)
(Brass Lug)
Traveler
Gnd
Traveler
Gnd
(Brass Lug)
(Brass Lug)
5
Fan Motor
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