Your serial number can be found on a white label on the right side cover of your heater. It will begin
with the letter “G” followed by 9 digits. For Example: G123456789. Have your Serial Number ready
before calling customer service at 800-641-6996.
GENERAL HAZARD WARNING:
FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS
PROVIDED WITH THIS HEATER, CAN RESULT IN DEATH, SERIOUS
BODILY INJURY AND PROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE, EXPLOSION, BURN.
ASPHYXIATION, CARBON MONOXIDE POISONING AND / OR ELECTRIC SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE INSTRUCTIONS SHOULD USE OR
SERVICE THIS HEATER. IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS AN INSTRUCTIONS MANUAL, LABEL, ETC. CONTACT THE MANUFACTURER.
FIRE, BURN, INHALATION, AND EXPLOSION
HAZARD. KEEP SOLID COMBUSTIBLES, SUCH
AS BUILDING MATERIALS, PAPER OR CARD-
BOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED
Factory ID: 001
BY THESE INSTRUCTIONS. NEVER USE THE HEATER IN SPACES WHICH
DO OR MAY CONTAIN VOLATILE OR AIRBORNE COMBUSTIBLES, OR
PRODUCTS SUCH AS GASOLINE, SOLVENTS, PAINT THINNERS, DUST
PARTICLES OR UNKNOWN CHEMICALS.
Carbon Monoxide Hazard This heater produces carbon monoxide, which
has no odor. Burning the heater in an enclosed space can kill you. Never
use the heater in enclosed spaces such as a tent, a camper, any vehicle
or recreational vehicle (RV), enclosed shelter, or any other enclosed areas.
If the information in this manual is not followed exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.
.....11
Not for use in residential living areas or in non-adequately ventilated enclosed spaces. Never bring or store a propane cylinder indoors.
NOT FOR HOME OR RECREATIONAL VEHICLE USE.
DO NOT OPERATE THIS HEATER UNTIL YOU HAVE READ AND
THOROUGHLY UNDERSTAND THESE SAFETY AND OPERATING
INSTRUCTIONS.
Failure to comply with the precautions and instructions provided with this heater can result in death,
serious bodily injury, property loss or damage from the hazards of fire, explosions, burns, asphyxiation
or carbon monoxide poisoning. Only persons who can read and understand these instructions should
use or service this heater.
This is an unvented portable heater. It uses air (oxygen) from the area in
which it is used. Adequate combustion and ventilation air must be provided. Refer to VENTILATION on Page 8.
This product contains chemicals, including lead, which are known to the
State of California to cause cancer and birth defects or other reproductive
harm. For more information go to www.P65Warnings.ca.gov.
This heater is designed and approved for use as a construction heater in accordance with Standard
ANSI Z83.7-2011/CSA 2.14-2011. CHECK WITH YOUR LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE
ANY QUESTIONS ABOUT APPLICATIONS. Other standards govern the use of fuel gasses and heating
products for specific uses. Your local authority can advise you about these.
The products described in this manual are propane direct-fired, forced air heaters. Propane
forced air heaters are primarily intended for use
for temporary heating of buildings under construction, alteration or repair. Direct-fired means that
all of the combustion products of the heater enter
the heated space. This appliance is rated at 98%
combustion eciency, but does produce small
amounts of carbon monoxide.
CARBON MONOXIDE
POISONING MAY
LEAD TO DEATH!
Carbon monoxide is toxic. Humans can tolerate
only small amounts of carbon monoxide and so
precautions should be taken to provide proper
ventilation. Failure to provide proper ventilation
in accordance with the instructions in this manual
can result in death.
People with breathing problems should consult
a physician before using this heater. Early signs
of carbon monoxide poisoning resemble the flu.
Symptoms of improper ventilation / carbon monoxide poisoning are:
Headache • Dizziness • Nausea • Dry Mouth Sore
Throat • Burning of Nose and Eyes
If you experience any of these symptoms:
GET FRESH AIR AT ONCE! Have your heater
serviced and check for proper ventilation. Some
people are more aected by carbon monoxide
than others. These include: pregnant women,
those with heart or lung problems, anemia or
those under the influence of alcohol or at high
altitudes.
FOR OUTDOOR USE. INDOOR USE PERMITTED
ONLY FOR: The temporary heating of adequately
ventilated buildings or structures under construction,
alteration or repair! Provide at least a three square
foot (2,800 sq. cm) opening of outside air for every
100,000 Btu / Hr (29 kW) heater rating. Refer to
“Ventilation” on page 8 for further instructions.
WHAT TO DO IF THE SMELL OF GAS IS PRESENT:
–DO NOT attempt to light the heater.
–Extinguish any open flame.
–Shut o gas to heater.
–If odor continues, contact your local gas supplier
or fire department.
–DO NOT touch or use any electric switch or any
electric device that can cause a spark.
–Immediately call your gas supplier from a
neighbors phone. Follow the gas suppliers
instructions.
–If you can not reach your gas supplier, call the
fire department.
–Service must be done by a qualified service
agency.
RISK OF BURNS,
FIRE AND EXPLOSION!
NEVER store or use gasoline or other flammable vapors and liquids in the vicinity of this heater.
NEVER store a propane (LP) cylinder not connected to
this heater in the vicinity of this heater.
NEVER connect heater to an unregulated gas supply.
NEVER obstruct the flow of combustion and ventilation
air. (The front and rear of heater).
NEVER use duct work in front or rear of heater.
NEVER modify this heater or operate a heater that has
been modified.
NEVER service, move or handle heater while still hot or
operating
Keep all combustible materials away from this heater.
Minimum Clearance From Combustibles
SidesTopFrontRear
24 in.36 in.72 in.24 in.
61 cm92 cm183 cm61 cm
ALWAYS use the electrical power (voltage and frequency) specified on the model plate of the heater.
ALWAYS use only 14 AWG or better extension cord.
ALWAYS unplug the heater when not in use.
CAUTION! HOT
WHILE IN OP-
ERATION. DO NOT
TOUCH. KEEP CHILDREN, ANIMALS, CLOTHING
AND COMBUSTIBLES AWAY FROM HEATER.
pliance is equipped
with a three-prong (grounding) plug for your
protection against shock hazard and should
be plugged directly into a properly grounded
three-prong receptacle.
–Gas supply connections should be checked by
using a 50/50 soap and water solution. Never use a
flame to check for gas leaks.
–Locate LP cylinder at least 6 ft. (183 cm) (10 ft./305
cm in Canada) from the heater, and do not direct
heater discharge towards the LP cylinder unless it
is at least 20 feet (610 cm) from the heater.
–Use only the regulator and hose assembly provided
with this heater. Inspect the regulator/hose
assembly prior to each use of the heater. If there
is excessive abrasion or wear, or if the hose is cut,
replace it with the proper assembly shown in the
parts list, prior to using the heater.
For use with propane
(LP) gas only.
ALWAYS install the heater so that it is not directly exposed
to water spray, rain, dripping water, or wind.
–Use heater in accordance with all local codes. In
the absence of local codes, refer to The National
Fuel Code, ANSI A223.1/NFPA 54.
–This heater is shipped from the factory for use
with propane (LP) gas only. Do not convert to
any other gas. Installation must conform to local
codes, or in their absence, with the standard for
the Storage and Handling of Liquefied Petroleum
Gases ANSI/NFPA 58 and the Natural Gas and
Propane Installation Code CSA B149.1.
RISK OF FIRE! DO NOT POSITION HEATER IN A DOWNWARD ANGLE.
ALWAYS LOCATE HEATER ON A STABLE AND LEVEL SURFACE (SEE
FIGURE 1)!
Manifold, Minimum, and Maximum Inlet Pressure
40-GFA60V-GFA
Man.
Min.5 PSI (34.5 kPa)
Max.Bottle Pressure
ing material and contact with hot surfaces both
during use and while in storage.
11" (279
mm) W.C.
11" (279
mm) W.C.
125V-GFA150V-GFA
8.3" (211
mm) W.C.
The hose assembly
shall be pro tected
from trac, build-
8" (203
mm) W.C.
Figure 1
UNPACKING
1. Remove all packing items applied to heater for
shipment. Keep plastic cover caps attached to inlet
connector and hose / regulator assembly for storage.
2. Remove all items from carton
3. Check all items for shipping damage. If the heater
is damaged, promptly inform dealer where you
purchased the heater.
sembly supplied with the heater must be used
without alteration.
4
The Propane (LP)
gas pressure regulator and hose as-
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 o 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-o 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.
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
surroundings.
Minimum Number of LP Cylinders
Average
Temp
(ºF / ºC)
32º / 0º1122
20º / -7º1122
10º / -12º1133
0º / -18º1133
-10º / -23º22
-20º /
-29º
The table above shows the minimum number of 100 lb.
(45 kg) LP cylinders required in cold weather. Your local LP
dealer will help you select the proper LP supply system.
40-GFA
100 lb.
(45 kg)
cylinder
22
60V-GFA
100 lb.
(45 kg)
cylinder
125V-GFA
100 lb.
(45 kg)
cylinder
Use Larger
Tank
Use Larger
Tank
150V-GFA
100 lb.
(45 kg)
cylinder
Use Larger
Tank
Use Larger
Tank
Propane is safe to
use when properly
handled. Careless
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
connected to a regulator, since this may cause
damage to diaphragm in the regulator.
–Handle valves with care.
–Never connect an unregulated LP cylinder to a
construction heater.
–DO NOT subject LP cylinder to excessive heat.
–Tightly close the gas shuto valve on the LP
cylinder after each use.
–All fittings must be protected when
The disconnected
tank must never be
stored in a build-
ing, garage or any other enclosed area.
Pre-Lighting Instructions:
Purging and filling
of the LP cylinders
must be performed
by personnel who
have been thoroughly trained in accepted LP
gas industry procedures. Failure to follow these
instructions may result in explosion, fire, severe
personal injury or death.
Connecting the LP Cylinder
ALL NEW LP CYLINDERS MUST BE PURGED
BEFORE THE FIRST FILLING.
–Turn heater gas valve knob and LP cylinder valve
to OFF position.
–LP cylinder valve equipped with old style fitting has
LEFT HANDED THREADS. Turn fitting CLOCKWISE
to loosen. Protect this fitting when disconnected
from LP cylinder.
–Have your LP cylinder filled by your local propane
gas supplier.
–Some LP cylinders have a bleed-OFF valve. This
valve should be inspected for leaks after each
filling of the LP cylinder. Turn the valve clockwise to
close.
–Fasten full propane tank and connect proper
fitting to LP cylinder valve by turning COUNTERCLOCKWISE (See Figure 2 & 3).
–With heater gas valve knob still in OFF position
turn ON the LP cylinder valve and check for leaks
with soap solution.
Checking For Leaks
–To check for leaks, make up a 50/50 solution of
dish soap and water. Apply this solution to all gas
connections. If bubbles appear, there is a leak. If
a leak is found, turn o the gas supply, and reconnect the leaking connection. If the leak persists
after several tries, contact Pinnacle Customer
Service at 800-641-6996.
–The installation of this heater must meet all local
codes and/or gas utility requirements. In the
absence of local codes, the National Fuel Code
ANSI Z223.1/NFPA 54 should be followed.
–The minimum clearances to any combustible
construction materials must be maintained at all
times (See Page 3).
1. Connect the heater to a three prong (grounded)
power source. You must use a three prong (grounded)
extension cord that is at least 6 feet long is a minimum
of 14 AWG rating.
2. Connect heater to a proper LP cylinder.
3. Turn gas control knob CLOCKWISE to o position.
4. Wait five (5) minutes for any gas to clear. Smell for
gas, if you do not smell gas, go to step 5.
5. Turn gas supply ON by turning the LP cylinder valve
COUNTERCLOCKWISE to OPEN.
6. Push in and turn gas control knob
COUNTERCLOCKWISE to 1 position. This will light the
burner. If needed, keep pressing control knob until
the burner lights, and keep pressing and turning from
“O” (OFF) to 1 on Piezo electric spark models (40GFA) (See Figure 4).
7. Keep the gas control knob depressed for at least 30
seconds after lighting the burner. After 30 seconds,
release the control knob.
8. If the burner doesn’t stay lit, repeat lighting procedures.
)
OPERATION CONT.
9. When burner stays lit, turn gas control knob
COUNTERCLOCKWISE to desired setting (all models
except 40-GFA).
Shutdown Instructions
To Shut Off the Heater:
1. Turn gas control knob CLOCKWISE to
“O” (OFF) position (See Figure 4).
2. Turn gas supply OFF by turning the LP cylinder valve
CLOCKWISE to close.
3. Disconnect the power cord.
Test Firing the Heater
Test fire your construction heater following the lighting
instructions applicable to the gas control system
employed.
Leak test all gas connections with 50/50 soap and water
solution prior to start-up. Soap bubbles indicate a gas
leak. DO NOT use a match or flame to test for gas leaks.
NOTE: Heater surface temperature must be cold before
initiating service, cleaning or storage.
Figure 4
40-GFA
Valve Knob
IgnitionIgnition
OFF
60V-GFA / 125V-GFA /
150V-GFA Valve Knob
VENTILATION
–Risk of indoor air pollution and Carbon
Monoxide Poisoning. Use heater only in well
ventilated areas.
–Refer to Safety Information on pages 2-3
for information about Carbon Monoxide
Poisoning.
–ALWAYS provide a fresh air opening in the
heated space of at least three square feet
(2,800 sq. cm) for each 100,000 BTU / Hr (29
kW). of heater output. Provide a larger opening
if more heaters are being used.
OFF
CARBON MONOXIDE POISONING MAY LEAD TO
DEATH!
Not for use in
residential living
areas or in non-
Always disconnect the heater from the LP cylinder
before putting the heater into storage. If for any
reason the heater is to be stored indoors, the tank
MUST be disconnected from the LP cylinder, and
the cylinder stored outdoors in a well-ventilated
area, out of the reach of children, and in accordance with the Standard for Storage and Handling
of Petroleum Gases, ANSI/NFPA 58 - latest edition
and Natural Gas and Propane Installation Code,
CSA B149.1. The plastic valve plug or valve cover
supplied with the cylinder must be re-installed on
the valve to protect the fitting from damage.
WIRING DIAGRAMS
40-GFA
Figure 6
NOTE: Installation and repair of this heater should
be done by a qualified service person.
ALWAYS be sure to follow proper maintenance
procedures. This should include cleaning the inside of the heater once a month and checking the
spark gap at least once a heating season. Re-gap
the terminals to 0.160” (4mm)
Never store an LP
cylinder inside of
a building or near
1. Temperature inside heater is too
high, causing thermal switch to
shut down operation.
2. Damaged control valve.
3. Dust or debris accumulated
in heater.
1. Check current at outlet. If voltage
is correct, inspect extension and
power cords for cuts, frays or
breaks
2. Check housing for damage. Be
sure there are no dents in the
housing obstructing the fan.
3. Straighten all fan blades.
4. Replace motor assembly.
1. Inspect module wire. Re-attach
or tighten if loose. Inspect spark
module and replace if necessary.
Inspect all other electrical
components.
2. Set plug gap to 0.16” (4 mm).
3. Replace spark plug
(multi-bracket assembly).
1. If the heater input or output is
restricted, the inside temperature
can become too hot. Keep the
areas in front and behind heater
clear of obstructions.