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User Manual - Page 7

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7
Operating Instructions and Owner’s ManualMr. Heater, Inc.| Forced Air Propane Construction Heater
SIZE AND CAPACITY OF PROPANE
CYLINDERS REQUIRED
Thechartsbelowshowtheapproximatesizeofthecylinder
requiredfortheseheaters.Tousethechart:
1.Selectthelowestairtemperatureexpected(atthebottomofthe
chart).
2.Movestraightuptotimeofoperationdesired(leftsideofchart).
3.Readthecylindersizerequired.
Allheatersshouldhave:
full cylinders
good air circulation
no frost on cylinders
MAXIMUMOPERATINGTIME-HOURS
MAXIMUMOPERATINGTIME-HOURS
60,000 BTU/HR (16.1 kW)
85,000 BTU/HR (33.4 kW)
AIRTEMPERATURE-
o
F(
o
C)
AIRTEMPERATURE-
o
F(
o
C)
MAXIMUMOPERATINGTIME-HOURS
125,000 BTU/HR (49.1 kW)
AIRTEMPERATURE-
o
F(
o
C)
PROPANE/LP VAPORATION RATE
(Per100lb.PropaneCylinder)
100lb.
40lb.
20lb.
100# (45.4kg)
2 Cylinders
3 Cylinders
1 Cylinders
40
38
33
34
32
30
28
23
24
22
20
18
13
14
12
10
8
6
4
2
0
100# (45.4kg)
100# (45.4kg)
Pounds of
Propane in
Cylinder
Maximum continuous BTU Output
per Hour at Various Temperature
0° 20° 40°
100 113,000 167,000 214,000
90 104,000 152,000 200,000
80 94,00 137,000 180,000
70 83,000 122,000 160,000
60 75,00 109,000 140,000
50 64,00 94,000 125,000
40 55,000 79,000 105,000
30 45,000 66,000 85,000
20 36,000 51,000 69,000
10 28,000 38,000 49,000
Propane Heater Cylinder Selection Chart
40(lbs) 18 kg Cylinder
20(lbs) 9 kg Cylinder
100(lbs) 45.4 kg Cylinder
40(lbs) 18 kg Cylinder
20(lbs) 9 kg Cylinder
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
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