Operating Instructions and Owner’s Manual
Mr. Heater, Inc.| Forced Air Propane Construction Heater
6
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
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
60,000 BTU/HR (16.1 kW)
AIR TEMPERATURE -
o
F (
o
C)
DURATION OF OPERATION MAX- HOURS
MAXIMUM OPER
AT
ING TIME - HO
URS
125,000 BTu/Hr (49.1 kw)
AIR TEMPERATURE -
o
F (
o
C)
Use liquid with-
drawal
and a vaporizer