IHR Series Manual
10 11
Model
& Input
Type of Area
(Surroundings)
Approx.
Area
Covered
Approx.
Coverage
(sq. ft.)
Recommended
Mounting Height
Stnd. Reflector
(Dim. A)
Distance
Behind
Person or
Work Station
(Dim. B)
Centers for
Full Coverage
(Spot & Area)
Htg. Only
IHR 30
30,000
BTU/h
Cold/Drafty 10’ x 10’ 100 9’ to 10’ 4’ 10’
Average 12’ x 12’ 144 10’ to 12’ 5’ 12’
Protected/Insulated
14’ x 14’ 196 12’ to 14’ 6’ 14’
IHR 60
60,000
BTU/h
Cold/Drafty 16’ x 16’ 256 12’ to 14’ 6’ 16’
Average 18’ x 18’ 324 14’ to 16’ 7’ 18’
Protected/Insulated
20’ x 20’ 400 16’ to 18’ 8’ 20’
IHR 90
90,000
BTU/h
Cold/Drafty 20’ x 20’ 400 16’ to 18’ 9’ 20’
Average 24’ x 24’ 576 18’ to 20’ 10’ 24’
Protected/Insulated
28’ x 28’ 784 20’ to 22’ 11’ 26’
IHR 130
130,000
BTU/h
Cold/Drafty 26’ x 26’ 676 18’ to 20’ 11’ 26’
Average 30’ x 30’ 900 18’ to 20’ 12’ 28’
Protected/Insulated
35’ x 35’ 1225 20’ to 22’ 13’ 32’
IHR 160
160,000
BTU/h
Cold/Drafty 28’ x 28’ 784 20’ to 22’ 12’ 28’
Average 35’ x 35’ 1225 24’ to 26’ 16’ 32’
Protected/Insulated
40’ x 40’ 1600 28’ to 30’ 20’ 35’
Chart 2.2 • Recommended Mounting Heights and Distances for “Spot” Heating
2.0 Installation • Heater Placement
A
B
Figure 2.2 • Spot Heater Heights