Operation - Master MH-40-GFA User's Manual And Operating Instructions

Propane Supply / Information:
Propane (LP)
This heater is not supplied with a propane cylinder.
Use only an approved propane cylinder.
LP Characteristics
– Flammable, explosive under pressure, heavier
than air and pools in low areas.
– In its natural state, propane has no odor, but
for your safety an odor that smells like rotten
cabbage has been added.
– Contact of propane (LP) gas with the skin can
cause freeze burns.
– Heater is manufactured for use with propane
gas only. DO NOT attempt to convert to any
other gas. Such modifications are dangerous
and will void the warranty.
– When heater is not in use, LP Cylinder must be
turned OFF.
– Be sure that the LP Cylinder is located on a
level and stable surface.
– DO NOT use this heater in a basement or
below ground level. Propane is heavier than
air and will always seek the lowest level. If you
suspect a leak, shut off the valve at the LP
Cylinder immediately.
The Propane (LP) cylinder must also be
equipped with the following
– A collar to protect the gas valve.
– A shut-off valve terminating a LP cylinder valve
outlet as specified in the American National
Standard for Compressed Gas Cylinder Valve
Outlets and Inlets Connections.
– A safety relief valve having direct
communications with the vapor space of the LP
cylinder.
– The heater must operate on vapor withdrawal
from the operating cylinder.
© 2014, Pinnacle Products International, Inc.
NEVER LEAVE HEATER UNATTENDED WHILE BURNING,
CONNECTED TO A POWER SOURCE, OR WHILE
CONNECTED TO A FUEL SOURCE

Operation

The amount of Propane (LP) used with this
heater varies. Both factors are
– The amount of gas in the cylinder of LP.
– The temperature of the LP tank and its
The table above shows the minimum number of 100 lb. LP
cylinders required in cold weather. Your local LP dealer will
help you select the proper LP supply System
handling of the LP cylinder could result in a
fire and or an explosion.
– Always keep LP cylinder fastened and upright.
– Avoid tipping the LP cylinder on its side when
– Handle valves with care.
– Never connect an unregulated LP cylinder to
– DO NOT subject LP cylinder to excessive heat.
– Tightly close the gas shutoff valve on the LP
– All fittings must be protected when
– Never store an LP cylinder inside a building or
garage or any other enclosed area.
5
surroundings.
Average 40-GFA 60V-GFA-A
Temp 20 / 100 20 / 100
(ºF) lb. cylinder lb. cylinder
32º 1
20º 1
10º 1
0º 1
-10º
2
-20º 2
Propane is safe to use when
CAUTION
properly handled. Careless
connected to a regulator, since this may
cause damage to diaphragm in the regulator.
a construction heater.
cylinder after each use.
disconnected from the LP cylinder.
in the vicinity of an gas burning appliances.
The disconnected tank must
CAUTION
never be stored in a building,
Propane Forced Air Heater User's Manual
125V-GFA-A 150V-GFA-A
20 / 100
lb. cylinder lb. cylinder
1 2
1 2
1 3
1 3
Use Larger Use Larger
2
Tank
Use Larger Use Larger
2
Tank
20 / 100
2
2
3
3
Tank
Tank