FRA
Berko FRA, FRA1512, FRA1812, FRA2024B, FRA2027B Installation & Maintenance Instructions Manual
...
FRA Series
(Series B)
Fan Forced
Wall Heaters
Read Carefully - These instructions are written to help
you prevent difficulties that might arise during installation of
heaters. Studying the instructions first may save you considerable time and money later. Observe the following procedures and cut your installation time to a minimum.
1. To prevent electrical shock, disconnect all power coming
to heater at main service panel before wiring or servicing.
2. All wiring must be in accordance with the National and
Local Electrical Codes and the heater must be grounded
as a precaution against possible electric shock.
3. Verify the power supply voltage coming to heater matches the ratings printed on the heater nameplate before
energizing.
4. This heater is hot when in use. To avoid burns, do not let
bare skin touch hot surfaces.
5. Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electric
shock, fire, or damage to the heater.
6. To prevent a possible fire, do not block air intakes or
exhaust in any manner. Keep combustible materials, such
as crates, drapes, etc., away from heater. Do not install
behind doors, furniture, towels, or boxes.
7. A heater has hot and arcing (sparking) parts inside. Do
not use it in areas where gasoline, paint, or flammable
liquids are stored.
8. Use this heater only as described in this manual. Any
other use not recommended by the manufacturer may
cause fire, electric shock, or injury to persons.
9. This heater is not approved for use in corrosive atmospheres, such as marine, green house, or chemical storage areas.
WARNING
SAVE THESE INSTRUCTIONS
Dear Owner,
Congratulations! Thank you for purchasing this new heater manufactured by Marley Engineered
Products. You have made a wise investment selecting the highest quality product in the heating industry. Please carefully read the installation and maintenance directions shown in this manual. You should
enjoy years of efficient heating comfort with this product from Marley Engineered Products... the industry’s leader in design, manufacturing, quality and service.
... The Employees of
Marley Engineered Products
Installation & Maintenance Instructions
1
!
NOTE: This heater has a continuous fan only feature. See
page 4 for details.
Installation of Recessed Back Box
in New Construction
1. Mounting Back Box (See Figure 1).
a. Place the back box between two 16" (406 mm)
center-to-center wall studs at the desired mounting
height but no closer than 8" (203 mm) to adjacent wall
or floor.
Note: If wall studs are spaced greater than 16” on center,
additional framing supports may be necessary.
b. Align back box such that the bottom and sides will be
flush with finished wall surface (top flange of wall box
should protrude approximately 1/2" (12.7 mm) from fin-
ished wall surface).
c. Secure the back box in position with wood screws or
nails as shown in Figure 1.
2. Power Supply Wiring (See Figure 1)
NOTE: Wire compartment volume - 119in
3
(1950cm3).
a. Run a power supply cable into the knockout area in the
upper right hand corner of the back box. All wiring
must be in accordance with National and Local
Electrical Codes. Refer to Table 1 for correct wire size.
b. Remove disconnect switch bracket by loosening two
screws on the right side.
c. Install a cable clamp in the “knockout” in the top of the
back box.
d. Insert power supply cable through cable clamp, allow-
ing at least 6" (152mm) of leads to extend inside the
housing. Connect the blue lead wires of disconnect
switch to the supply wire leads using wire connectors
(see wiring diagram, pg. 3).
e. Ground the back box using the green screw located in
the inside top of the housing.
f. Secure disconnect switch bracket in place by tighten-
ing screws.
Installation of Recessed Back Box
in Existing Construction
1. Provide a wall opening 14-1/2" (362mm) wide by 18-1/2"
(470mm) high at the desired mounting height, but no
closer than 8" (203mm) from floor. (See Figure 2.)
Note: Locate so at least one side of opening is at wall stud.
2. Power Supply Wiring
NOTE: Wiring Compartment Volume - 119in3 (1950cm3).
a. Run a power supply cable into the area above the top
of the wall opening. All wiring must be in accordance
with National and Local electrical codes. Refer to Table
1 for correct wire size.
b. Remove disconnect switch bracket by loosening the
two screws on the right side.
c. Install a cable clamp in the “knockout” in the top of
back box.
d. Insert power supply cable through cable clamp, allow-
ing approximately 6" (152mm) of cable length to
remain inside the back box to facilitate connections.
3. Mounting Back Box
a. Place the back box into wall opening flush with fin-
ished wall surface on bottom and sides of box. (Top
flange of back box should protrude approximately 1/2"
or 12.7mm from finished wall surface).
b. Secure the back box in place with wood screws or
nails.
4. Wiring Disconnect Switch
a. Connect the power supply wires to the blue wires of the
disconnect switch using wire connectors (see wiring
diagram, pg. 3.)
b. Ground the back box using the green ground screw
located in the inside top of the housing.
c. Secure disconnect switch bracket in place by tighten-
ing screws.
IMPORTANT
CAUTION
WARNING
DO NOT INSTALL HEATER UPSIDE DOWN OR SIDEWAYS.
DO NOT USE HEATER WITHOUT GRILLE.
FOR WALL MOUNTING ONLY. DO NOT INSTALL HEATER
CLOSER THAN 8" (203 mm) TO THE FLOOR OR ANY ADJACENT WALL SURFACE. DO NOT INSTALL CLOSER THAN
36" (915 mm) TO THE CEILING.
Fig. 1: Locating Recessed Back Box in New Construction
Back Box
Fig. 2: Locating Recessed Back Box in Existing Construction
2
8” (203mm) MIN
TABLE 1
MODEL # WATTS VOLTS (1Ø only) WIRE SIZE
FRA1512 1500 120 12
FRA1812 1800 120 10
FRA2024B 1500/2000 208/240
FRA2027B 1500/2000 240/277 14 AWG
FRA1527B 1500 277
FRA2020B 2000 208
FRA4024B 3000/4000 208/240 12 AWG/10 AWG
FRA4027B 3000/4000 240/277 12 AWG
FRA3027B 3000 277
FRA4020B 4000 208 10 AWG
FRA4824B 3600/4800 208/240
FRA4827B 3600/4800 240/277 10 AWG
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