Chromalox PG442 User Manual

PG442

OCTOBER, 2003

161-025617-001

Type RBC-1 Radiant Heater

For Fixed Overhead Installations

© 2010 Chromalox, Inc.

Specifications – Table 1

Dimensions Wire Ga.

Model Volts Watts Amperage BTU A Length B Width D Depth (Min.)

RBC-1101 120 1000 8.3 3412
RBC-1108 208 1000 4.8 3412
RBC-1102 240 1000 4.2 3412

27.125” 8.375” 3.5”
14 Ga

RBC-1107 277 1000 3.6 3412

(689 mm) (212 mm) (88.9)

RBC-11034 347 1000 2.9 3412
RBC-1151 120 1500 12.5 5118

RBC-1158 208 1500 7.2 5118

35.625”

RBC-1152 240 1500 6.3 5118

(905 mm)

8.375” 3.5”
14 Ga

RBC-1157 277 1500 5.4 5118

(212 mm) (88.9)

RBC-11534 347 1500 4.3 5118
RBC-1208 208 2000 9.6 6824

RBC-1202 240 2000 8.3 6824 46.625”

8.375” 3.5”
14 Ga

RBC-1207 277 2000 7.2 6824 (1184 mm)

(212 mm) (88.9)

RBC-12034 347 2000 5.8 6824
RBC-1258 208 2500 12.0 8530

RBC-1252 240 2500 10.4 8530 53.375”

8.375” 3.5”
14 Ga

RBC-1257 277 2500 9.0 8530 (1356 mm)

(212 mm) (88.9)

RBC-12534 347 2500 7.2 8530

Figure 1

With Optional Screen

Without Optional Screen

Ø1.125

SERVICE

ENTRANCE

OPENING

4X1/4" Ø MOUNTING
HOLE FOR "S" HOOKS

1.000±.062

(3.500)

90˚

(8.375)

(4.500)

(10.000)

Ø.475

VIEW SHOWN WITH
COVER REMOVED

("B")

("A")

The Chromalox RBC-1 radiant heater is shipped fully assem­bled. The heater can be hung from the ceiling by chains or rigid
angle brackets attached to the heater brackets located on the back
of the heater. (Chromalox offers hanging chain kits for these
heaters that will allow for installations to 6 feet from the ceiling.)
Minimum spacings:

Ceiling to top of heater is 3 in.

Wall to sides of heater is 12 in.

Floor to bottom of heater is 10 feet.

Installer should consult state and local codes and
meet any applicable requirements regarding the
installation.

GENERAL

IMPORTANT:
SAVE THESE INSTRUCTIONS

FIRE HAZARD. Do not use as a residential or
household heater. Keep combustible material away
from heater. Do not operate heater where flamma­ble vapors, gases or liquids are present.

To avoid personal injury read “IMPORTANT
INSTRUCTIONS” on this page before installation or
operation of heater.

INSTALLATION

Min.

Min.

Min.

Min.

2

Figure 3

Figure 2

3

WIRING

ELECTRIC SHOCK HAZARD. Disconnect all power
before installing or servicing heater. Failure to do
so could result in personal injury or property dam­age. Heater must be effectively grounded in accor­dance with the National Electrical Code, NFPA 70.

All electrical wiring must be done by a qualified
person in accordance with National Electrical Code
(NEC) and meet all state and local regulations.

1. Use heater only at the voltage specified on the nameplate.

2. Branch circuit wire for connection to heater must be at least

90°C wire. Use copper conductors only.

3. The heater connection points are located in the gasketed termi-

nal enclosure. To remove cover, remove 4 screws on the cover.
Remove the cover to expose wiring connection points.

4. A green ground terminal is provided in the bottom of the enclo-

sure. The ground wire should be connected before other con­nections are made.

5. Refer to Table 1 for proper entrance wiring size.

6. Heater can be wired with rigid or flexible conduit.

Grill Kit Selection Guide

Model Volts Watts Optional Grill Kit

RBC-1101 120 1000
RBC-1108 208 1000
RBC-1102 240 1000 168-053169-085
RBC-1107 277 1000
RBC-11034 347 1000

RBC-1151 120 1500
RBC-1158 208 1500
RBC-1152 240 1500 68-053169-086
RBC-1157 277 1500
RBC-11534 347 1500

RBC-1208 208 2000
RBC-1202 240 2000

68-053169-087

RBC-1207 277 2000
RBC-12034 347 2000

RBC-1258 208 2500
RBC-1252 240 2500

68-053169-088

RBC-1257 277 2500
RBC-12534 347 2500

MAINTENANCE

ELECTRIC SHOCK HAZARD. Disconnect all power
before servicing or replacing heating elements.

The reflectors should be kept clean to obtain the maximum

radiant output.

Element Replacement

1. Remove Terminal Box Cover.

2. Disconnect lead wires from heater terminals and disengage box

from conduit /cable fitting.

3. Remove safety grills (if installed).

4. Loosen (2) 3/8” nuts from the terminal box bracket located on

the back of the heater and slide the entire heating element
assembly out of the reflector assembly.

5. Remove bulkhead fitting nut and washers.

6. Remove failed element and replace with a new element.

7. Place gasket on the bulkhead fitting and insert terminals and fit-

ting into the element hole in the terminal box.

8. Place washer and nut on the bulkhead fitting and tighten.

9. Reassemble by following the reverse procedures (steps 4

through 1)

Replacement Parts

Model Volts Watts Element

RBC-1101 120 1000 322-074905-143
RBC-1108 208 1000 322-074905-144
RBC-1102 240 1000 322-074905-145
RBC-1107 277 1000 322-074905-146
RBC-11034 347 1000 322-074905-147

RBC-1151 120 1500 322-074905-148
RBC-1158 208 1500 322-074905-149
RBC-1152 240 1500 322-074905-150
RBC-1157 277 1500 322-074905-151
RBC-11534 347 1500 322-074905-152

RBC-1208 208 2000 322-074905-153
RBC-1202 240 2000 322-074905-154
RBC-1207 277 2000 322-074905-155
RBC-12034 347 2000 322-074905-156

RBC-1258 208 2500 322-074905-157
RBC-1252 240 2500 322-074905-158
RBC-1257 277 2500 322-074905-159
RBC-12534 347 2500 322-074905-160

IMPORTANT INSTRUCTIONS

When using electrical appliances, basic precautions should
always be followed to reduce risk of fire, electric shock and injury
to persons, including the following:

1. Read all instructions before using this heater.

2. This heater is hot when in use. To avoid burns, do not let bare

skin touch hot surfaces. Keep combustible materials, such as

furniture and papers at least 7 feet from the front of the heater.

3. Always disconnect heater when not in use.

4. Do not use outdoors.

5. Connect to properly grounded outlets or building ground.

6. This heater has hot surfaces. Do not use it in areas where gaso-

line, paint or flammable liquids are used or stored.

7. 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.

8. In order to prevent equipment damage, protect with a ground

fault device such as Chromalox STAR-GF series monitor.

9.

SAVE THESE INSTRUCTIONS

2150 N. RULON WHITE BLVD., OGDEN, UT 84404
Phone: [phone] www.chromalox.com

Limited Warranty:

Please refer to the Chromalox limited warranty applicable to this product at

http://www.chromalox.com/customer-service/policies/termsofsale.aspx.