Electric Radiant
Ceiling Heat
Panels
FILE #E21069
Installation & Maintenance Instructions
Dear Owner,
Congratulations! Thank you for purchasing this new heater manufactured by a division of Marley
Engineered Products. You have made a wise investment selecting the highest quality product in the heat-
ing 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
a
WARNING
!
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.
When T-bar Mounted: The T-bar grid work frame must be
secured to the building to provide adequate support for the pan-
els. Holes are provided in the sides of each panel for attachment
of steel support wires for additional support of the panels where
the T-bar grid work frame strength is questionable. Support wire
must be steel and at least 18 gage (0.047 in. dia. / 0.119 cm. dia).
When Surface or Recess Mounted: The surface or recess mount-
ing frame accessory kits (Models ASF . . . or ARF . . . ) must be
used. Kits must be sized to match heaters being used. Do not
drill holes, drive nails, screws, etc., into or through panels. To do
so may result in fire, electric shock, or permanent damage to
heater. Surface or recess kits must be securely fastened to build-
ing structure using a minimum of four (4) 1/4 inch (.635 cm) diam-
eter screws or bolts.
6. To prevent possible fire due to the overheating of wiring, all field
wiring coming to heating panels must be rated at least 90° C
when junction box is allowed to lie on top of heating panel or is
enclosed between heater and ceiling above. When thermal insu-
lation is used on top of heater, the junction box must be above
the insulation.
1. To prevent possible electrical shock, disconnect ALL power com-
ing 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 precau-
tion against possible electrical shock.
3. Verify the power supply voltage coming to the heater matches the
ratings printed on the heater nameplate before energizing.
4. This heater is NOT suitable for use in hazardous locations as
described by the National Fire Protection Association (NFPA).
DO NOT use in areas where gasoline, paint or other flammable
liquids are used or stored. DO NOT use in wet areas or areas
where corrosive agents are present, such as marine, green
house, chemical storage, swimming pool, or areas of high
humidity, unless special custom panels are used. Special custom
panels may be available for certain environments. Contact manu-
facturer for details.
7. Panels are intended for ceiling installation only. Do not install on
walls, floor, etc. Painted (bottom) surface of panel is hot. Panels
must be installed at least seven (7) feet off floor and should not
be installed where panels can be easily contacted during use.
5. To prevent a possible injury or fire from falling panels, panels
MUST be securely fastened to the building structure.
GENERAL
Marley Engineered Products Radiant Heating Panels are Although the heater contains thermal insulation, it will
designed to provide comfort by warming the surfaces operate more efficiently in well insulated rooms. Four or
below the heaters just as the sun warms surfaces through more inches of insulation above an exposed ceiling will
radiant energy. This heating process heats objects in a increase both comfort and economy.
room without having to bring the room air temperature up
to the same level. These panels are ideal for spot heating The heaters are intended to be controlled by a remote wall
in high heat loss areas. Panels may be installed side by mounted thermostat. The thermostat should be located in
side or individually above areas requiring additional heat. If the same room on a side wall. It should also be above
used as a sole source of heat, more heat will be felt while five feet above the floor, but not directly under the heater.
standing directly under the panel.
SAVE THESE INSTRUCTIONS
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smaller than 2"x 4" (5cm x 10cm) for support. Use screws
no smaller than number 10 in each hole provided in side and
end frames.
SURFACE MOUNTING
1. The Surface Mounting Kit come in separate carton which
contain two side frames, two end frames, and eight assem-
bly screws.
Fig. 6
2. Assemble the end frames to the side frames using the
screws provided (see Fig. 4) before installing on the ceiling.
CAUTION
!
To prevent possible injury from falling panels, use at
least four screws (1/4" or 0.635 minimum diameter) to
secure each side frame. Screws must thread securely
into a sturdy structural member of the ceiling, such as a
ceiling joist. It may be necessary to frame-in an extra
support member. Do not finish from dry-wall, plater or
other finish ceiling materials.
3. Insert the heater panel through the opening (see Fig. 7) and
make wiring connections (see Fig. 3 and WIRING instruc-
tions). The heater must be properly grounded as a precau-
tion against electrical shock. Use a properly grounded junc-
tion box for connecting the heater to the power supply.
CAUTION
Be sure electricity is turned off at main switch before
wiring to prevent possible injury from electric shock.
A
Fig. 7
Fig. 4
3. Mounting the frame assembly to the ceiling.
4. Remove one end frame and install heater panel in side
frames as shown in Fig. 5.
CAUTION
Be sure electricity is turned off at main switch before
wiring to prevent possible injury from electric shock.
5. Connect the heater panel leads to the power supply leads
(see Fig. 3 and WIRING instructions). The heater must be
properly grounded as a precaution against electrical shock.
Use a properly grounded junction box for connecting the
heater to the power supply. The heater may be moved along
side frames to facilitate wiring.
4. Loosely screw side and end frames to ceiling opening, then
attach corners in place (see Fig. 8).
6. Re-assemble the end frame to the side frames to lock the
heater panel securely in place.
5. After attaching corners, tighten screws securely.
6. Carefully lower heater panel in place on frames.
Fig. 5
Fig. 8
CAUTION
!
Failure to mount this kit securely may result in serious
personal injury from falling heat panels.
RECESS MOUNTING
1. The Surface Mounting Kit come in separate carton which
contain four frame sections and four corners (See Fig. 6).
2. Recessed heater panels require a cutaway in ceiling and a
secure method of support (see Fig. 7). Use boards no
3
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SPECIFICATIONS: STANDARD SIZE
ELECTRIC RADIANT HEATING PANELS
Model
Number
Catalog Catalog
Number Number Volts Watts
BUT/
HR
DIM
(IN.)
DIM
(CM.)
ATL24241A
ATL24242A
ATL24248A
ATL24247A
ATL24243A
ATM24241A
ATM24242A
ATM24248A
ATM24247A
ATM24243A
ATH24241A
ATH24242A
ATM24248A
ATM24247A
ATM24243A
CP2501
CP2502
CP2508
CP2507
CP2503
CP3101
CP3102
CP3108
CP3107
CP2103
CP3751
CP3752
CP3758
CP3757
CP3753
CP251
CP252
CP258
CP257
CP253
CP311
CP312
CP318
CP317
CP313
CP371
CP372
CP378
CP377
CP373
120
240
208
277
347
120
240
208
277
347
120
240
208
277
347
250
250
250
250
250
310
310
310
310
310
375
375
375
375
375
853
853
853
853
853
1058
1058
1058
1058
1058
1280
1280
1280
1280
1280
24
X
61
X
24
X
122
X
1
2.5
ATL24481A
ATL24482A
ATL24488A
ATL24487A
ATL24483A
ATM24481A
ATM24482A
ATM24488A
ATM24487A
ATM24483A
ATH24481A
ATH24482A
ATH24488A
ATH24487A
ATH24483A
CP5001
CP5002
CP5008
CP5007
CP5003
CP6251
CP6252
CP6258
CP6267
CP6253
CP7501
CP7502
CP7508
CP7507
CP7503
CP501
CP502
CP508
CP507
CP503
CP621
CP622
CP628
CP627
CP623
CP751
CP752
CP758
CP757
CP753
120
240
208
277
347
120
240
208
277
347
120
240
208
277
347
500
500
500
500
500
625
625
625
625
625
750
750
750
750
750
1706
1706
1706
1706
1706
2133
2133
2133
2133
2133
2560
2560
2560
2560
2560
24
X
61
X
48
X
122
X
1
2.5
a
Watts Per Panel
SPECIFICATIONS: CUSTOM SIZE
Panel
Watt
Normal Panel Length
Model
Number
Catalog
Number
Catalog
Number
Width Density 24”-35” 36”-47” 48”-59” 60”-71” 72”-83 84”-95”
96”
AT+**@@#A BT+**@@#
QT+**@@#
High
10”-13” Med.
Low
High
14”-17” Med.
Low
High
18”-21” Med.
Low
High
22”-28” Med.
Low
155
235
195
155
350
295
235
470
390
315
565
470
375
315
260
210
470
390
315
625
520
415
750
625
500
390^
325^
260^
585^
490^
390^
780
650
520
940
785
N/A
N/A
N/A
N/A
N/A
N/A
940^^
780^^
625^^
1125
940
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1315
1095
875
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1500
1250
1000
130
105
235
195
155
315
260
210
375
310
250
+ = Watt Density
(H=High; M=Medium; L=Low)
** = Width of heater
@@ = Length of panel
# = AC Voltage designation
(1=120; 2=240; 3=347; 7=277; 8=208)
^ = Max. Panel Length = 60 inches
^^ = Max. Panel Length = 72 inches
625
750
a
LIMITED WARRANTY
All products manufactured by Marley Engineered Products are warranted against defects in workmanship and materials for one year from date of installation,
except heating elements which are warranted against defects in workmanship and materials for five years from date of installation. This warranty does not
apply to damage from accident, misuse, or alteration; nor where the connected voltage is more than 5% above the nameplate voltage; nor to equipment
improperly installed or wired or maintained in violation of the product’s installation instructions. All claims for warranty work must be accompanied by proof of
the date of installation.
The customer shall be responsible for all costs incurred in the removal or reinstallation of products, including labor costs, and shipping costs incurred to return
products to Marley Engineered Products Service Center. Within the limitations of this warranty, inoperative units should be returned to the nearest Marley
authorized service center or the Marley Engineered Products Center, and we will repair or replace, at our option, at no charge to you with return freight paid
by Marley. It is agreed that such repair or replacement is the exclusive remedy available from Marley Engineered Products.
THE ABOVE WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED AND ALL IMPLIED WARRANTIES OF MER-
CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE AFORESAID EXPRESSED WARRANTIES ARE HEREBY DIS-
CLAIMED AND EXCLUDED FROM THIS AGREEMENT. MARLEY ENGINEERED PRODUCTS SHALL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES
ARISING WITH RESPECT TO THE PRODUCT, WHETHER BASED UPON NEGLIGENCE, TORT, STRICT LIABILITY, OR CONTRACT.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion or limitation may not apply to you. This
warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
For the address of your nearest authorized service center, contact Marley Engineered Products in Bennettsville, SC, at 1-800-642-4328. Merchandise
returned to the factory must be accompanied by a return authorization and service identification tag, both available from Marley Engineered Products. When
requesting return authorization, include all catalog numbers shown on the products.
HOW TO ORDER REPAIR PARTS
In order to obtain any needed repair or replacement parts, warranty service or technical infor-
mation, please contact Marley Engineered Products Service Center toll-free by calling
1-800-642-HEAT.
When ordering repair parts, always give the information listed as follows:
1. The Part Number
5200-2235-004
ECR 33993
11/98
3. The Part Description
2. The Model Number
4. Date of Manufacture
SPX Corporation
470 Beauty Spot Rd. East
Bennettsville, SC 29512 USA
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