Operating instructions

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Operating Instructions and Owner’s ManualMr. Heater, Inc.| Forced Air Propane Construction Heater
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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
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AIR TEMPERATURE -
o
F (
o
C)
AIR TEMPERATURE -
o
F (
o
C)