65
MR Series Heavy Duty Metal Sheath Electric Infrared Heater
Note: The MR-27 Series includes (2) Terminal Box
Assemblies, located on each end of the heater, requiring
an electrical service to each end.
Housing:
.040 Gold anodized Aluminum housing for efficient,
long-term reflectivity and corrosion resistance. High-
density radiant heat. Housing is ETL Listed for indoor,
dry environment applications only.
Reflector:
60 degree symmetric heat pattern.
Elements:
Rugged straight metal sheath elements. .430” diameter
Incoloy 840 metal sheath. Nickel-Chrome alloy coiled
filament imbedded within a Magnesium Oxide insulating
powder and threaded end terminations. Available wattages
in 1800, 2000, and 4500 Watts per element. Available in
standard voltages from 120 to 600 Volts.
Controls:
Heavy Duty, Metal Sheath heaters are not manufactured
with any control device on the unit. All controls and
accessories should be specified as remote mounted.
Please consult the technical sales department of factory
for help in determining applicable controls. Please follow
installation instructions that accompany each heater.
Accessories:
Wire guards and power contactor panels.
MR-27 KW
Product Specifications
Mounting Clearances & Recommended Mounting Height
MR Series Dimensions & Reflector Pattern
60° Symmetric
NOTE: Take into account that the MR
Series is designed with a 60° symmetrical
reflector heat pattern. The sizing chart can
assist you based upon your mounting height.
Sizing Chart
Manufactured in U.S.A.
Mounting Clearances
Recommended Mounting Height
All MR Models
24” from ceiling
36” from vertical surface & from another heater
72” from face of heater to combustible surface
1.8 & 2.0 KW 8’ - 10’
4.5 KW
8’ - 12’
6.0 KW
10’ - 14’
13.5 KW
12’ - 16’
MR-27 Only
87” from face of heater to combustible surface
27.0 KW
15’ - 30’
DIMENSIONS (in.)
SERIES A
B
C
LENGTH WIDTH DEPTH
MR-2
28
9
7.25
MR-4 48.5
9
7.25
MR-6
30
19.88 7.5
MR-13 50.5 19.88 7.5
MR-27 96.75 28.25 14.88
Mounting
Height
Heater
Model
Length Wide Coverage
(Sq. Ft.)
Watts / Sq.
Ft.
8’
MR-2
8
8
64
31.3
MR-4
9
8
72
62.5
10’
MR-2
11
10
110
18.2
MR-4
11
10
110
40.9
MR-6
12
10
120
50.0
12’
MR-4
12 11.5
138
32.6
MR-6
14
12
168
35.7
MR-13
15
13
195
69.2
14’
MR-6
16
14
224
26.8
MR-13
18
16
288
46.9
16’
MR-6
18
16
288
20.8
MR-13
21
18
378
35.7
MR-27
24
19
456
59.2
18’
MR-13
23
20
460
29.3
MR-27
28
20
560
48.2
20’
MR-27
28
23
644
41.9
24’
MR-27
33
27
891
30.3
30’
MR-27
41
32
1312
20.6
