Page -6-
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
30,000 BTU/HR (11.8 kW)
MAXIMUM OPERATING TIME - HOURS
MAXIMUM OPERATING TIME - HOURS
MAXIMUM OPERATING TIME - HOURS
MAXIMUM OPERATING TIME - HOURS
55,000 BTU/HR (16.1 kW)
85,000 BTU/HR (33.4 kW)
125,000 BTU/HR (49.1 kW)
AIR TEMPERATURE -
o
F (
o
C)
AIR TEMPERATURE -
o
F (
o
C)
AIR TEMPERATURE -
o
F (
o
C)
AIR TEMPERATURE -
o
F (
o
C)
Use liquid
withdrawal
and a vaporizer
Models
30-FAS/SPC-30, 55-F/SPC-55, 85-FAC/SPC-85, 125-F/SPC-125