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PNEG-581
Deluxe Vane Axial Heater
Model # VHC _-_ _-_ _-D (HIGH-FIRE)
Model # VLC _-_ _-_ _-D (LOW-FIRE)
Owner ’s Manual
PNEG-581
Date: 07-18-08
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Check List
1. All wire connections
2. Spark plug gap 0.125
3. Pipetrain tightness and gas leaks
4. Flame sensor tight
5. Fuse in place, extra fuse provided
6. Time delay reset
7. Indicator light
8. Pressure gauge
9. Regulator adjusted
10. Shut off valve operates correctly
11. Vapor High-Limit
12. Unit cycles ON to OFF
13. Heat rise even across transition
14. Unit cycles High-Low (High-Low only)
15. Modulating valve holds temperature within 1 degree (modulating units only)
16. All decals and serial number tag
17. Aesthetic appearance
18. Manual
Tester Signature:
Date:______________________________
______________________________
2 PNEG-581 Deluxe Vane Axial Heater
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Table of Contents
Contents
Chapter 1 Safety ................................................................................................................................................. 4
Safety Guidelines ............................................................................................................................... 4
Fuel Warning ...................................................................................................................................... 5
Power Warning ................................................................................................................................... 5
Proper Use of Product ........................................................................................................................ 5
Heater Operation ................................................................................................................................ 5
Safety Instructions .............................................................................................................................. 6
Chapter 2 Safety Decals .....................................................................................................................................8
Chapter 3 Heater Installation ...........................................................................................................................13
Fuel Connection ............................................................................................................................ ... 13
Heater Electrical Installation (230V Fans) ........................................................................................ 14
Transition High-Limit Installation ...................................................................................................... 16
Plenum Thermostat Mounting .......... ... ... ... ... .... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... ................................ 17
Second Heater Installation ............................................................................................................... 18
Temperature Heater Specifications .................................................................................................. 19
Chapter 4 Deluxe Heater Wiring Diagram .......................................................................................................20
Chapter 5 Heater Operation .............................................................................................................................21
Standard Heater Operation .............................................................................................................. 21
High-Low Heater Operation ................. ... ... ... .... ... ... ... .... ...................................... .... ... ... ... ... .......... ... 21
Modulating Valve Operation ...................................... ....................................... ... .... ... ... ... ... .... ... ...... 22
BTUs per Gauge Pressure (PSI) Propane Models (Approximate) ................................................... 23
BTUs per Gauge Pressure (PSI) Natural Gas Models (Approximate) ... .... ... ... ... .... ... ... ... ... .... ... ... ... 24
Adjusting the Vaporizer .................................................................................................................... 25
Chapter 6 Parts List ..........................................................................................................................................26
18" Gas Heater ................................................................................................................................. 27
24" and 26" Gas Heater ................................................................................................................... 28
28" Gas Heater ................................................................................................................................. 30
Control Box Parts .................................................................................................................... ... ...... 31
Axial Propane Vapor Pipetrain ......................................................................................................... 32
Axial Natural Gas Pipetrain .............................................................................................................. 33
Axial Propane Vapor High-Low Pipetrain ............................ ... .... ... ... ... ... ....................................... ... 34
Axial Natural Gas High-Low Pipetrain .............................................................................................. 35
Axial Liquid Propane Pipetrain ......... ... ... ... ... .... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... ................................ 36
Chapter 7 Warranty ...........................................................................................................................................37
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1. Safety
This is the safety alert symbol. It is used to alert you to
potential personal injury hazards. Obey all safety
messages that follow this symbol to avoid possible
injury or death.
WARNING indicates a potentially hazardous situation
which, if not avoided, could result in death or serious injury.
CAUTION indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury.
CAUTION used without the safety alert symbol indicates a
potentially hazardous situation which, if not avoided, may
result in property damage.
NOTE indicates information about the equipment that you
should pay special attention.
DANGER indicates an imminently hazardous situation
which, if not avoided, will result in death or serious injury.
Personnel operating or working around electric fans should read this manual. This
manual must be delivered with the equipment to its owner. Failure to read this manual
and its safety instructions is a misuse of the equipment.
WARNING! BE ALERT!
Safety Guidelines
This manual contains information that is important for you, the owner/operator, to know and understand.
This information relates to protecting personal safety and preventing equipment problems. It is the
responsibility of the owner/operator to inform anyone operating or working in the area of this eq uipment
of these safety guidelines. To help you recognize this information, we use the symbols that are defined
below. Please read the manual and pay attention to these sections. Failure to read this manual and its
safety instructions is a misuse of the equipment and may lead to serious injury or death.
4 PNEG-581 Deluxe Vane Axial Heater
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1. Safety
Do not use propane tanks which have previously been used for ammonia unless
they have been purged according to procedures of the National LP Association.
Be sure fuel supply system complies with all local codes for LP gas installations.
DO NOT USE FLAME FOR LEAK TESTING.
Fuel Warning
Power Warning
Be sure power is disconnected and locked out before installation. Failure to do so may cause serious
injury or death.
IMPORTANT: Heater must be interlocked with fan for safe operation.
IMPORTANT: Thermostat must be installed for safe operation.
Proper Use of Product
This product is intended for the use of grain drying only. Any other use is a misuse of this produ ct. This
product has sharp edges. These sharp edges may cause serious injury. To avoid injury handle sharp
edges with caution and use proper protective clothing and equipment at all times. Guards are removed
for illustration only. All guards must be in place before and during operation.
Heater Operation
Thank you for choosing a GSI product. It is designed to give excellent performance and service for
many years.
This manual describes the operation of the GSI Deluxe Vane Axial Heater. Many models are available
to accommodate low, medium or High-Temperature grain conditioning.
PNEG-581 Deluxe Vane Axial Heater 5
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1. Safety
Follow Safety Instructions
Carefully read all safety messages in this manual and
safety signs on your machine. Keep signs in good
condition. Replace missing or damaged safety signs. Be
sure new equipment components and repair parts include
the current safety signs. Replacement safety signs are
available from the manufacturer.
Learn how to operate the machine and how to use controls
properly. Do not let anyone operate without instruction.
Keep your machinery in proper working condition.
Unauthorized modifications to the machine may impair
the function and/or safety and affect machine life.
If you do not understand any part of this manual or need
assistance, contact your dealer.
Read and Understand Manual
Install and Operate Electrical Equipment Properly
Electrical controls should be installed by a qualified electrician
and must meet the standards set by the National Electrical Code
and all local and state codes.
Disconnect and lock out all power sources before installing
wires/cables or servicing equipment.
Electric Shock Hazard
Safety Instructions
Our foremost concern is your safety and the safety of others associated with this equipment. We want
to keep you as a customer. This manual is to help you understand safe operating procedures and some
problems which may be encountered by the operator and other personnel.
As owner and/or operator, it is your responsibility to know what requ irements, hazards and p recautions
exist, and to inform all personnel associated with the equipment or in the area . Safety precautions may
be required from the personnel. Avoid any alterations to the equipment. Such alterations may produce
a very dangerous situation where SERIOUS INJURY or DEATH may occur.
This equipment shall be installed in accordance with the current installation codes and applicable
regulations which should be carefully followed in all cases. Authorities having jurisdiction should be
consulted before installations are made.
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1. Safety
Install and Operate Gas-Fired Equipment Properly
Fuel supply should be installed by a qualified gas
technician and must meet local and state codes for
gaseous fuel supplies.
Disconnect and lock out all fuel sources before
servicing equipment.
Explosive Gases
Prepare for Emergencies
Be prepared if fire starts.
Keep a first aid kit and fire extinguisher handy.
Keep emergency numbers for doctors, ambulance service,
hospital and fire department near your telephone.
Keep Emergency Equipment
Quickly Accessible
Wear Protective Clothing
Wear close fitting clothing and safety equipment appropriate
to the job.
Remove all jewelry.
Long hair should be tied up and back.
Safety glasses should be worn at all times to protect eyes
from debris.
Wear gloves to protect your hands from sharp edges on
plastic or steel parts.
Wear steel toe boots to help protect your feet from falling
debris. Tuck in any loose or dangling shoe strings.
A respirator may be needed to prevent breathing potentially
toxic fumes and dust.
Wear hard hat to help protect your head.
Wear appropriate fall protection equipment when working at
elevations greater than six feet (6').
Eye Protection
Gloves
Steel Toe Boots
Respirator
Hard Hat
Fall Protection
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2. Safety Decals
CAUTION!
Excessive vacuum (or pressure) may
damage roof. Use positive aeration
system. Make sure all roof vents are
open and unobstructed. Start roof
fans when supply fans are started.
Do not operate when conditions exist
that may cause roof vent icing.
DC-969
GSI does not warrant any roof damage caused by
excessive vacuum or internal pressure from fans
or other air moving systems. Adequate ventilation
and/or “Makeup Air” devices should be provided
for all powered air handling systems. GSI does not
recommend the use of downward flow systems
(suction). Severe roof damage can result from any
blockage of air passages. Running fans during
high humidity/cold weather conditions can cause
air exhaust or intake ports to freeze.
The GSI Group recommends contacting your local power company, and having a representative survey
the installation so the wiring is compatible with their system, and adequate power is supplied to
the unit.
Safety decals should be read and understood by all people in the grain handling area. The bottom-right
decal warns that the enclosure contains electrical devices carrying high voltages that will cause inju ry or
death. Lock out power before servicing. If a decal is damaged or is missing, contact:
GSI Decals
1004 E. Illinois St.
Assumption, IL. 62510
Phone: 217-226-4421
A free replacement will be sent to you.
Roof Damage Warning and Disclaimer
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2. Safety Decals
DC-851
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2. Safety Decals
Stay clear of rotating
blade. Blade could start
automatically. Can cause
serious injury. Disconnect
power before servicing.
DC-1225
WARNING
DC-1224
Safety Alert Decals for Door
WARNING
Flame and pressure beyond
door can cause serious
injury. Do not operate with
service door removed. Keep
head and hands clear.
DC-1227
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Safety Decals for Bin
2. Safety Decals
WARNING
Stay clear of rotating
blade. Blade could start
automatically. Can cause
serious injury. Disconnect
power before servicing.
DC-1225
WARNING
Flame and pressure beyond
door can cause serious
injury. Do not operate with
service door removed. Keep
head and hands clear.
DC-1227
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2. Safety Decals
VAPORIZER ADJUSTMENT
DC-535
VAPORIZER COIL SHOULD BE ADJUSTED
SO VAPOR PIPE TRAIN IS WARM
(100-125 DEGREES F) TO THE TOUCH
WARMER COLDER
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3. Heater Installation
Do not use propane tanks which have previously been used for ammonia unless
they have been purged according to procedures of the National LP Association.
Be sure fuel supply system complies with all local codes for LP gas installations.
DO NOT USE FLAME FOR LEAK TESTING.
Fuel Connection
Liquid Propane Models
1. LP models are designed to run on liquid propane, with liquid draw from the propane tank. Avoid
using propane supply tanks that have been used for vapor draw for long periods of time. When
using liquid draw systems any moisture that may be present in tank or lines may freeze when
system is used in cold weather. To avoid this, the usual precaution is to purge the system
with methanol.
2. Run proper size line (see Specifications on Page 19) to liquid pipetrain on heater. Have a qualified
gas service man inspect installation to be sure that everything is installed according to local codes
and ordinances.
3. After installation is complete check all connections for leaks with liquid detergent or comparable.
Wear rubber gloves and eye protection. Avoid contact with liquid propane. DO NOT USE FLAME
FOR LEAK TESTING.
Propane Vapor Models
1. Propane vapor models are designed to run directly off of a supply tank or from a separate
external vaporizer.
2. Run proper size line (see Specifications on Page 19) to pipetrain on heater. Have a qualified gas
service person inspect installation to be sure everything is installed according to local codes
and ordinances.
3. After installation is complete check all connections for leaks. DO NOT USE FLAME FOR
LEAK TESTING.
Natural Gas Models
1. Natural gas models are similar to vapor models, but have a larger orifice to accommodate lower
pressure sometimes found with natural gas.
2. Run proper size line (see Specifications on Page 19) to pipetrain on heater. Have a qualified gas
service man inspect installation to be sure everything is installed according to local codes
and ordinances.
3. After installation is complete check all connections for leaks. DO NOT USE FLAME FOR
LEAK TESTING.
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3. Heater Installation
Be sure power is disconnected and locked out before installation. Failure to do so
may cause serious injury or death.
Heater Electrical Installation (230V Fans)
These instructions are for heater installation on fan units with 230V motors.
1. Connect power cord to fan control box.
2. Make field connection of wires in fan box as shown in Figure 3B on Page 15. 110V power supply
or 0.5KVA 460V to 110V transformer must be used to supply power for heater.
IMPORTANT: Heater must be interlocked with fan for safe operation.
3. Connect deluxe thermostat control (optional) as shown in Figure 3B on Page 15.
IMPORTANT: Thermostat must be installed for safe operation.
Figure 3A Illustration of Deluxe Vane Axial Heater Wiring Installation on a Fan Unit
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3. Heater Installation
Heater Electrical Installation (230V Fans) (Continued)
Figure 3B Deluxe Vane Axial Heater Wiring to Fan Unit
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3. Heater Installation
Bin Configuration
Figure 3C
IMPORTANT: When mounting two (2) heaters on a bin it is imperative that they be situated as in
Figure 3C. Plenum thermostat must be to the right of master heater and master heater
must be to the right of slave heater.
Transition High-Limit Installation
1. Mark location on transition one (1) foot up from the bottom (entrance collar) and centered in
the transition.
2. Drill or knock out 7/8" diameter hole on marked location.
3. Install transition High-Limit using supplied self-drilling screws.
Figure 3D The transition connecting the Vane Axial Heater to the bin
with the plenum sensor in place.
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3. Heater Installation
Plenum Thermostat Mounting
The plenum thermostat is the 4 x 4 white box with knob that is preconnected to heater when heater is
ordered with thermostat.
1. 24" to the right side of the transition, drill one (1) 3/8" hole (High-Temperature) or 1-1/2" hole
(Low-Temperature) in the center of the plenum in a valley (4.00" corrugation) or hill
(2.66" corrugation) on bin sidewall.
2. Insert the probe through the hole.
3. Position the housing so that the tabs are vertical, and the cord exits the housing horizontally.
Figure 3E Plenum Thermostat Mounting on Bin Wall
4. Use four (4) self-drilling screws to mount the housing to the bin sidewall.
5. Caulk between the housing and the sidewall to seal.
IMPORTANT: Do not exceed plenum temperatures listed in table.
Operating Temperature Table
Low-Temperature Batch
Corn 5-20° Above Ambient Temp. 120° 140° 160°
Rice 5-10° Above Ambient Temp. 100° 100° Not Recommended
Beans and Wheat 5-20° Above Ambient Temp. 110° 120° Not Recommended
High-Temperature
Batch Dry No Stirring
High-Temperature
with Stirring
Continuous Flow
(Recirculating)
This table is not intended as a drying guide. It should be used as a reference for setting maximum
plenum temperature for safe operation.
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3. Heater Installation
Second Heater Installation
For Units Using HF-7318 Control Board
Two (2) deluxe heaters may be connected to one (1) grain drying system and wired so they cycle
together. One (1) of the heaters should have a thermostat connected to it as per the installation
instructions. That heater will be referred to as the master. The other heater (without the thermostat) will
be referred to as the slave.
Installation for Standard Units
1. Install relay base (TD-100283) in master heater control box.
2. Connect wire between terminal 6 on circuit board and terminal 14 on relay base in master heater.
3. Connect wire between terminal 13 on relay base and terminal 8 on circuit board in master heater.
4. Run two (2) wires (18 gauge) between master and slave heaters.
5. Connect wires to terminal 5 and 9 (points A and B) on relay base in master heater.
6. Connect wire from terminal 9 in master to terminal 14 (point F) in slave unit.
7. Connect wire from terminal 5 in master to terminal 15 (point E) in slave unit.
8. Install relay (TD-100282) in relay base.
Additional Steps For High-Low Units
1. Run two (2) wires (18 gauge) between master and slave unit.
2. Connect wires to terminal 21 and 22 (points C and D) on circuit board in main heater.
3. Connect wire from terminal 21 in master to terminal 12 (point H) in slave unit.
4. Connect wire from terminal 22 in master to terminal 13 (point G) in slave unit.
5. Install relay (TD-100282) in relay base.
Figure 3F The HF-7318 Control Board
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Temperature Heater Specifications
High-Temperature Heater Specifications
Inside Diameter 18-5/16" 24-1/4" 26-5/16" 28-1/8"
Bolt Circle Diameter 19-7/16" 25-3/4" 27-15/16" 29-5/8"
All Models
Liquid Models
Vapor Models
Natural Gas Models
Length 22" 22-1/2" 22-1/4" 25-1/4"
BTU Rating 1400000 2100000 2700000 3000000
Weight 81 110 115 140
Maximum Fuel Flow (GPH) N/A 23 30 34
Orifice N/A 3/16" 7/32" 15/64"
Modulating Valve Bypass Orifice N/A Blue Blue Aluminum
Minimum Operating Pressure N/A 2 2 2
Maximum Operating Pressure N/A 20 20 20
Minimum Line Size N/A 3/8" 3/8" 3/8"
Maximum Fuel Flow (CFH) 585 877 1128 1253
Orifice 5/32" 3/16" 7/32" 15/64"
Modulating Valve Bypass Orifice Green Blue Blue Aluminum
Minimum Operating Pressure 2 2 2 2
Maximum Operating Pressure 20 20 20 20
Minimum Line Size 1/2" 3/4" 3/4" 3/4"
Maximum Fuel Flow (CFH) 1473 2210 2842 3157
Orifice 1/4" 5/16" 23/64" 3/8"
Modulating Valve Bypass Orifice Blue Aluminum Aluminum Aluminum
Minimum Operating Pressure 1 1 1 1
Maximum Operating Pressure 7 7 7 7
Minimum Line Size 3/4" 1" 1-1/4" 1-1/4"
3. Heater Installation
18" 24" 26" 28"
All Models
Vapor Models
Natural Gas Models
Low-Temperature Heater Specifications
18" 24" 26" 28"
Inside Diameter 18-5/16" 24-1/4" 26-5/16" 28-1/8"
Bolt Circle Diameter 19-7/16" 25-3/4" 27-15/16" 29-5/8"
Length 22" 22-1/2" 22-1/4" 25-1/4"
BTU Rating 400000 500000 500000 500000
Weight 81 110 115 140
Maximum Fuel Flow (GPH) 167 292 292 292
Orifice 5/64" 3/32" 3/32" 3/32"
Modulating Valve Bypass Orifice Red Yellow Yellow Yellow
Minimum Operating Pressure 2 2 2 2
Maximum Operating Pressure 20 20 20 20
Minimum Line Size 3/8" 3/8" 3/8" 3/8"
Maximum Fuel Flow (CFH) 421 736 736 736
Orifice 9/64" 5/32" 5/32" 5/32"
Modulating Valve Bypass Orifice Yellow Green Green Green
Minimum Operating Pressure 1 1 1 1
Maximum Operating Pressure 7 7 7 7
Minimum Line Size 1/2" 1/2" 1/2" 1/2"
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4. Deluxe Heater Wiring Diagram
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5. Heater Operation
Standard Heater Operation
1. Thermostat must be wired into heater control box for heater to operate.
2. Open all manual shut off valves to heater unit.
3. Start fan. This will supply power to heater.
4. Turn thermostat dial to its highest setting.
5. Turn toggle switch ON.
6. Heater should now be lit. If not check to see that all gas is ON.
7. Watch thermometer on plenum and when it reaches desired temperature turn thermostat back
slowly until heater cycles off.
8. Gas pressure should be adjusted so burner is on 75% of the time.
9. Watch plenum temperature as burner goes through a few cycles, to be sure that it is
operating properly.
High-Low Heater Operation
1. High-Limit and cycling thermostat must be wired into heater control box for heater to operate.
2. Open all manual shut off valves to heater unit.
3. Start fan. This will supply power to heater.
4. Turn thermostat dial to its highest setting.
5. Turn toggle switch ON. Both red lights should light up indicating power to the control circuit.
6. Heater should now be lit. If not check to see that all gas is ON.
7. Open Low-Fire ball valve all the way.
8. Turn thermostat dial back slowly until heater cycles to low flame.
9. Adjust ball valve so that low flame pressure is at desired setting.
10. Turn thermostat dial to desired setting and wait for bin plenum to come up to temperature. Heater
should cycle to low flame after a few minutes. If heater does not cycle to low flame increase
high flame gas pressure.
11. Low flame should be adjusted so that temperature drops slowly until burner goes back to
high flame.
12. Watch as burner goes through a few cycles, to be sure that it is operating properly, back to
high flame.
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5. Heater Operation
Modulating Valve Operation
1. The modulating valve regulates gas flow through the heater based on sensing unit in the plenum,
and maintains a constant drying air temperature.
2. The sensing bulb of the modulating valve should be mounted through the bin wall with the side
reading “top” up. The bulb reacts to temperature. It changes the amount of gas (increase or
decrease), burning warmer or cooler depending on the position of the valve SET POINT. If the bulb
is cooler than it was at the SET POINT, the bulb senses the cooler temperature and opens the valve
further so more heat is applied to the drying air. If the bulb is warmer than it was at the SET POINT,
the valve closes further and reduces the temperature until the air is at the valve SET POINT.
3. It is important that the pressure regulator be set high enough to allow the modulating valve to deliver
enough gas to maintain the plenum temperature necessary. The regulator is normally factory set
at 15 PSI (propane units). To set the regulator, run the heater and turn the modulating valve
T-handle in. This gets full line pressure to the burner. Then adjust regulator to read 15 PSI
(depending on the plenum temperature needed).
4. Turn the fan and heater ON. To set the modulating valve, turn the T-handle out (counterclockwise)
until loose and wait a few minutes for the plenum temperature to equalize. When the temperature
under the bin has equalized, gradually turn T-handle in (clockwise) about 1/2 turn at a time. Wait
until temperature under bin has equalized as before. If temperature under bin is less than the
desired temperature, continue turning T-handle in, increasing gas flow and waiting for plenum
temperature to equalize until the desired temperature is the stable temperature of the plenum. If
temperature under bin is the same 10 minutes after you last made any adjustments to the T-handle
you can be certain that the temperature under the bin is the SET POINT of the valve. One (1) turn
of the T-handle equals approximately 7°F of temperature.
5. The valve will now keep the plenum temperature at the set point regardless of ambient conditions
as long as humidistat or thermostat do not shut down the heater. A bypass orifice is used to
maintain a small flame when outside temperature is near or above the set point of the valve. The
bypass insures steady application of heat at minimum gas flow operation. Bypass orifice will only
operate correctly if pressure regulator is set correctly.
6. To observe how the modulating valve increases the efficiency of bin drying, check the gas pressure
of the unit in the morning and compare to the pressure read mid-afternoon. If the ambient (outside)
temperature is significantly greater later in the day (as normal), the gas pressure will be less. Since
less heat is required to maintain the same temperature in the plenum, the modulating valve will
have reduced the amount of gas used by the heater.
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5. Heater Operation
BTUs per Gauge Pressure (PSI) Propane Models (Approximate)
High-Temperature
Diameter
2 4 6 8 101214161820
18" 416380 588680 720290 832760 930880 1019420 1107800 1174960 1244360 1340080
24" 598250 844730 1036170 1198890 1340080 1464520 1581770 1689460 1787570 1892860
26" 816010 1148640 1409480 1632030 1825860 1995762 2153700 2302070 2436070 2577260
28" 935660 1318540 1617670 1868930 2091480 2309250 2467180 2649050 2792630 2955360
Operating Pressure (PSI)
Low-Temperature
Diameter
2 4 6 8 101214161820
18" 102900 145970 181870 208190 234510 253660 275200 294340 311090 335020
24-28" 148370 210580 258440 299130 335020 366130 394850 421170 447490 473810
Operating Pressure (PSI)
Gauge Pressure (PSI) Required to Maintain Temperature (Approximate)
(High-Temperature Units Only)
Fan Model Static Pressure
60 80 100 120 140 160 180
1" 2 3 4 5 6 8 9
Heat Rise °F
3 HP-18"
7 HP-24"
10 HP-24"
15 HP-26"
2" 1 1 2 3 4 5 6
3" Low-Temperature Low-Temperature 1 2 2 3 3
1" 2 4 6 8 10 14 17
2"13457911
3" Low-Temperature Low-Temperature 1 2 3 3 4
4" Low-Temperature Low-Temperature Low-Temperature Low-Temperature 1 2 3
1" 4 6 9 13 18 22 26
2" 3 5 8 10 14 18 22
3" 2 3 4 6 8 9 11
4" 1 2 3 4 5 6 8
1" 2 4 6 8 11 14 18
2"245791316
3"134571013
4"13457911
5" Low-Temperature 1 2 3 3 4 5
1" 3 4 7 9 12 16 20
2" 2 4 6 8 11 14 18
15 HP-28"
3" 2 3 4 5 8 10 13
4" 1 2 3 4 6 8 10
5" Low-Temperature 1 2 3 3 4 5
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5. Heater Operation
BTUs per Gauge Pressure (PSI) Natural Gas Models (Approximate)
High-Temperature
Diameter
1234567
18" 454180 644780 787970 909260 1016880 1115380 1204750
24" 710450 1006850 1231200 1419980 1587790 1741920 1881456
26" 938450 1331520 1627920 1876896 2099420 2302800 2487940
28" 1022350 1450080 1772020 2043790 2285470 2507090 2708640
Operating Pressure (PSI)
Low-Temperature
Diameter
1234567
18" 144100 205200 250800 289100 322850 353860 383040
24-28" 177840 251710 308260 355680 397632 435936 470590
Operating Pressure (PSI)
Gauge Pressure (PSI) Required to Maintain Temperature (Approximate)
(High-Temperature Units Only)
Fan Model Static Pressure
1" 1 1 2 2 3 3 4
3 HP-18"
7 HP-24"
10 HP-24"
15 HP-26"
15 HP-28"
2" 1 1 1 1 2 2 3
3" Low-Temperature Low-Temperature 1 1 1 1 31
1" 1 2 2 3 4 5 6
2" 1 1 1 2 2 3 4
3" Low-Temperature Low-Temperature 1 1 1 1 2
4" Low-Temperature Low-Temperature Low-Temperature 1 1 1 1
1" 2 2 4 5 6 7 8
2" 1 2 3 3 4 6 7
3" 1 1 1 2 2 3 4
4" Low-Temperature 1 1 1 1 2 2
1" 1 2 2 3 4 5 7
2" 1 1 2 3 3 4 5
3" 1 1 2 2 3 3 4
4" 1 1 1 1 2 2 3
5" Low-Temperature Low-Temperature 1 1 1 1 2
1" 1 2 3 4 5 7 8
2" 1 2 2 3 4 5 6
3" 1 1 2 2 3 4 5
4" 1 1 1 1 2 2 3
5" Low-Temperature Low-Temperature 1 1 1 2 2
60 80 100 120 140 160 180
Heat Rise °F
24 PNEG-581 Deluxe Vane Axial Heater
Page 25
5. Heater Operation
Adjusting the Vaporizer
1. Vaporizer should be adjusted so the vapor pipetrain runs warm to the touch (100°F-120°F).
2. Loosen 5/16" bolt on adjustment bracket.
3. Swivel vaporizer away from flame if running too hot, closer to flame if too cold.
4. Move vaporizer only 1" at a time and allow a few minutes for temperature to equalize.
5. Tighten 5/16" bolt and watch heater run for several minutes to verify adjustment.
Figure 5A Adjusting the vaporizer coil on a liquid propane model.
The top photo shows the setting in, and the bottom photo shows the coil out.
PNEG-581 Deluxe Vane Axial Heater 25
Page 26
6. Parts List
1. 18" Gas Heater
2. 24" and 26" Gas Heater
3. 28" Gas Heater
4. Control Box Parts
5. Axial Propane Vapor Pipetrain
6. Axial Natural Gas Pipetrain
7. Axial Propane Vapor High-Low Pipetrain
8. Axial Natural Gas High-Low Pipetrain
9. Axial Liquid Propane Pipetrain
26 PNEG-581 Deluxe Vane Axial Heater
Page 27
18" Gas Heater
6. Parts List
Ref # Part # Description
1 HF-6785 18" Heater Housing
2 HH- 3933 18" Burner Casting
3 HH-1180 18" Flame Spreader
3 HH-4410 18" Low-Temperature Flame Spreader
4 HF-7078 18" Flame Diverter
4 HF-7073 18" Low-Temperature Flame Diverter
5 HF-6062-18 18" Access Panel (Deluxe, SR 200 0)
6 HF-7380 Plastic View Window
7 HF-7379 Access Panel Cover Plate
8 TFH-2046 Access Panel Latch
9 HF-983 18/24" Burner Collector
10 HF-978 18/24/26" Burner Collector Plate
11 HH-4416 Drum Grill Guard (LTD)
12 HH-4421 Stand-Off Bracket (LTD)
13 F-953 18" Grill Guard (LTD)
14 HH-1650 Spark Plug
N/S HF-1810 Spark Plug Nut
N/S H F-7260 18-28" Heater Spark Plug Wire
N/S HF-7262 18-28" Heater Flame Probe Wire
15 THH-4179 Flame Sensor (Deluxe, SR 2000)
16 CD-0187 Flame Sensor Bracket (Deluxe, SR 2000)
PNEG-581 Deluxe Vane Axial Heater 27
Page 28
6. Parts List
24" and 26" Gas Heater
28 PNEG-581 Deluxe Vane Axial Heater
Page 29
24" and 26" Gas Heater
Ref # Part # Description
1 HF-6175 24" Heater Housing
1 HF-6176 26" Heater Housing
2 HH-3934 24/26" Burner Casting
3 HH-1179 24/26" Flame S p reader
3 HF-6757 24/26/28" Low-Temperature Flame Spreader
4 HF-7103 24/26" Flame Diverter
4 HF-7107 24/26/28" Low-Temperature Flame Diverter
4 HF-7104 24/26" Diverter Collar
5 HF-6062-24 24" Access Panel (Deluxe, SR 2000)
5 HF-6062-26 26" Access Panel (Deluxe, SR 2000)
6 HF-7380 Plastic View Window
7 HF-7379 Access Panel Cover Plate
8 TFH-2046 Access Panel Latch
9 HF-983 18/24" Burner Collector
9 HF-986 26" Burner Collector
10 HF-978 18/24/26" Burner Collector Plate
11 HH-7016 Rubber Grommet
12 HF-7056 Pivot Bracket
13 HF-7057 Adjustment Bracket
14 HF-7060 Vaporizer Support Weldment
15 THF-3237 Vaporizer Cover
16 HH-1650 Spark Plug
N/S HF-1810 Spark Plug Nut
N/S HF-7260 18-28" Heater Spark Plug Wire
N/S HF-7262 18-28" Heater Flame Probe Wire
17 THH-4179 Flame Sensor (Deluxe, SR 2000)
18 CD-0187 Flame Sensor Bracket (Deluxe, SR 2000)
19 HH-7054 24-28" Burner Cone
6. Parts List
PNEG-581 Deluxe Vane Axial Heater 29
Page 30
6. Parts List
28" Gas Heater
Ref # Part # Description
1 HF-6060 28" Heater Housing
2 HH-3934 24/26" Burner Casting
2 THF-3141 28" Burner Casting
3 THF-3144 28" Flame Spreader
3 HF-6757 24/26/28" Low-Temperature Flame Spreader
4 HF-7105 28" Flame Diverter
4 HF-7107 24/26/28" Low-Temperature Flame Diverter
4 HF-7106 28" Diverter Collar
4 HF-7104 24 /26" Diverter Collar
5 HF-6062-28 28" Access Panel (Deluxe, SR 2000)
6 HF-7380 Plastic View Window
7 HF-7379 Access Panel Cover Plate
8 TFH-2046 Access Panel Latch
9 THF-3101 28" Burner Collector
9 HF-986 26" Burner Collector
10 HF-7092 28" Burner Collector Plate
10 HF-978 18/24/26 " Burner Collector Plate
11 HH-7016 Rubber Grommet
12 HF-7056 Pivot Bracket
13 HF-7057 Adjustment Bracket
14 HF-7060 Vaporizer Support Weldment
15 THF-3237 Vaporizer Cover
16 HH-1650 Spark Plug
N/S H F-1810 Spark Plug Nut
N/S HF-7260 18-28" Heater Spark Plug Wire
N/S H F-7262 18-28" Heater Flame Probe Wire
17 THH-4179 Flame Sensor (Deluxe, SR 2000)
18 CD-0187 Flame Sensor Bracket (Deluxe, SR 2000)
19 HH-7054 24-28" Burner Cone
30 PNEG-581 Deluxe Vane Axial Heater
Page 31
Control Box Parts
6. Parts List
Ref # Part # Description
1 F-942 Control Box Lid
2 HH-1487 Ignition Transformer
3 HF-7318 Circuit Board Assembly
4 HH-1092 High-Limit Switch 180°
5 FH-4429-1 Spring Latch
6 HH-7015 Snap Trak
7 HF-7046 18" Control Box Housing
7 HF-7047 24" Control Box Housing
7 HF-7098 26" Control Box Housing
7 HF-7051 28" Control Box Housing
8 DC-1166 Decal Deluxe Heater Front Panel
9 TFH-2021 Red Light (110V)
10 HH-1442 Toggle Switch
11 HF-7455 High-Limit Switch Box Bottom
12 HF-7439 High-Limit Switch 250°
13 HF-7454 High-Limit Switch Box Top
14 HF-7414 Recessed Plastic Plug
15 TD-100282 Optional Relay
15 FH-1310 Cord Connector
PNEG-581 Deluxe Vane Axial Heater 31
Page 32
6. Parts List
Axial Propane Vapor Pipetrain
Ref # Part # Description
1 TFC-0023 1/2" 0-30 PSI Regulator (Deluxe, SR 2000)
2 HH-3670 1/2" x 2-1/2" Nipple
3 TFC-0032 1/2" Solenoid (Deluxe, SR 2000)
4 HH-2029 1/2" x 1-1/2" Nipple
5 HH-2984 30 PSI Gauge
6 S-3853 1/2" x 1/4" x 1/2" Tee
7 HH-1083 18/24/28" Orifice Pipe
7 HH-1107 26" Orifice Pipe
8 HF-7036 5/32" Orifice Plug (18" Standard)
8 CD-0149 5/64" Orifice Plug (18" Low-Temperature)
8 HF-7086 3/16" Orifice Plug (24" Standard)
8 HF-7084 3/32" Orifice Plug (24/26/28" Low-T e mperature)
8 HF-7087 7/32" Orifice Plug (26" Standard)
8 HF-7088 15/6 4" Orifice Plug (28" Standard)
9 HH-2653 Modulating Valve (Optional)
10 HH-1251 1/2" Strainer
32 PNEG-581 Deluxe Vane Axial Heater
Page 33
Axial Natural Gas Pipetrain
6. Parts List
Ref # Part # Description
1 TFC-0051 3/4" Ball Valve
2 THH-4136 3/4" x 3" Nipple
3 TFC-0081 3/4" Solenoid (Deluxe, SR 2000)
4 THH-4121 3/4" Close Nipple
5 THH-4158 3/4" x 1/4" x 3/4" Tee
6 D08-0022 15 PSI Gauge
7 HH-7026 3/4" 18/24/28" Orifice Pipe
7 HH-7027 3/4" 26" Orifice Pipe
8 HF-7123 1/4" Orifice Plug (18" Standard)
8 HF-7124 5/16" Orifice Plug (24" Standard)
8 HF-7125 23/64" Orifice (26" Standard)
8 HF-7126 3/8" Orifice (28" Standard)
9 D67-0008 3/4" Strainer
10 HH-7064 3/4" Modulating Valve (Optional)
PNEG-581 Deluxe Vane Axial Heater 33
Page 34
6. Parts List
Axial Propane Vapor High-Low Pipetrain
Ref # Part # Description
1 TFC-0023 1/2" 0-30 PSI Regulator (Deluxe, SR 2000)
2 HH-3670 1/2" x 2-1/2" Nipple
3 TFC-0032 1/2" Solenoid (Deluxe, SR 2000)
4 HH-2029 1/2" x 1-1/2" Nipple
5 HH-1453 1/2" x 1/2" x 1/2" Tee
6 THH-4067 1/2" Street Elbow
7 TFC-0030 1/2" Ball Valve
8 S-3853 1/2" x 1/4" x 1/2" Tee
9 HH-2984 30 PSI Gauge
10 HH-7019 1/2" Gas Hose
11 HH-1107 26" Orifi ce Pipe
11 HH-1083 18/24/28" Orifice Pipe
12 HF-7036 5/32" Orifi c e Plug (18" Standard)
12 HF-7086 3/16" Orifice Plug (24" Standard)
12 HF-7087 7/32" Orifi c e Plug (26" Standard)
12 HF-7088 15/64" Orifice Plug (28" Standard)
13 HH-1251 1/2" Strainer
34 PNEG-581 Deluxe Vane Axial Heater
Page 35
Axial Natural Gas High-Low Pipetrain
6. Parts List
Ref # Part # Description
1 TFC-0051 3/4" Ball Valve
2 THH-4136 3/4" x 3" Nipple
3 TFC-0081 3/4" Solenoid (Deluxe, SR 2000)
4 THH-4121 3/4" Close Nipple
5 THH-4174 3/4" x 3/4" x 1/2" Tee
6 THH-4067 1/2" Street Elbow
7 TFC-0030 1/2" Ball Valve
8 S-3853 1/2" x 1/4" x 1/2" Tee
9 D08-0022 15 PSI Gauge
10 HH-7019 1/2" Gas Hose
11 HH-7026 3/4" 18/24/28" Orifice Pipe
11 HH-7027 3/4" 26" Orifice Pipe
12 HF-7123 1/4" Orifice Plug (18" Standard)
12 HF-7124 5/16" Orifice Plug (24" Standard)
12 HF-7125 23/64" Orifice (26" Standard)
12 HF-7126 3/8" Orifice (28" Standard)
13 D18-0002 3/4" x 1/2" x 3/4" Tee
14 HH-3670 1/2" x 2-1/2" Nipple
15 D67-0008 3/4" Strainer
PNEG-581 Deluxe Vane Axial Heater 35
Page 36
6. Parts List
Axial Liquid Propane Pipetrain
Ref # Part # Description
1 HH-4845 1/4" Relief Valve
2 THH-4058 1/2" x 1/2" x 1/2" Tee SCH 80
3 THH-4089 1/2" Male Union Elbow SCH 80
4 THH-4071 1/2" Elbow SCH 80
5 CD-0198 Vaporizer Coil
6 D67-0005 1/2" Coupling
7 D07-0009 5/16" x 24" LP Gas Hose
8 HH-7013 200° Vapor High-Limit
9 D07-0019 1/2" x 1-1/2" Nipple SCH 80
10 TFC-0092 1/2" Solenoid Valve 300 PSI
11 TFC-0030 1/2" Ball Valve
12 HH-1251 1/2" Strainer
13 THH-4023 1/2" x 1/4" Reducer Bushing
36 PNEG-581 Deluxe Vane Axial Heater
Page 37
Limited Warranty
The GSI Group, LLC. (“GSI”) warrants products which it manufactures to be free of defects in materials
and workmanship under normal usage and conditions for a period of 12 months after sale to the original
end-user or if a foreign sale, 14 months from arrival at port of discharge, whichever is earlier. The enduser’s sole remedy (and GSI’s only obligation) is to repair or replace, at GSI’s option and expense,
products that in GSI’s judgment, contain a material defect in materials or workmanship. Expenses
incurred by or on behalf of the end-user without prior written authorization from the GSI Warranty Group
shall be the sole responsibility of the end-user.
Warranty Extensions: The Limited Warranty period is extended for the following products:
Product Warranty Period
AP Fans and
Flooring
Cumberland
Feeding/Watering
Systems
Grain Systems
Grain Systems
Farm Fans
Zimmerman
Performer Series Direct Drive
Fan Motor
All Fiberglass Housings Lifetime
All Fiberglass Propellers Lifetime
Feeder System Pan Assemblies 5 Years **
Feed Tubes (1.75" & 2.00") 10 Years *
Centerless Augers 10 Years *
Watering Nipples 10 Years *
Grain Bin Structural Design 5 Years
Portable & Tower Dryers 2 Years
Portable & Tower Dryer Frames
and Internal Infrastructure †
3 Years
5 Years
GSI further warrants that the portable and tower dryer frame and basket, excluding all auger and auger
drive components, shall be free from defects in materials for a period of time beginning on the twelfth (12
month from the date of purchase and continuing until the sixtieth (60
th
) month from the date of purchase
* Warranty prorated from list price:
0 to 3 years – no cost to end-user
3 to 5 years – end-user pays 25%
5 to 7 years – end-user pays 50%
7 to 10 years – end user pays 75%
** Warranty prorated from list price:
0 to 3 years – no cost to end-user
3 to 5 years – end-user pays 50%
† Motors, burner components and
moving parts not included. Portable
Dryer screens included. Tower Dryer
screens not included.
th
)
(extended warranty period). During the extended warranty period, GSI will replace the frame or basket
components that prove to be defective under normal conditions of use without charge, excluding the labor,
transportation, and/or shipping costs incurred in the performance of this extended warranty.
Conditions and Limitations:
THERE ARE NO WARRANTIES THAT EXTEND BEYOND THE LIMITED WARRANTY DESCRIPTION
SET FORTH ABOVE. SPECIFICALLY, GSI MAKES NO FURTHER WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE OR USE IN CONNECTION WITH: (i) PRODUCT
MANUFACTURED OR SOLD BY GSI OR (ii) ANY ADVICE, INSTRUCTION, RECOMMENDATION OR
SUGGESTION PROVIDED BY AN AGENT, REPRESENTATIVE OR EMPLOYEE OF GSI REGARDING
OR RELATED TO THE CONFIGURATION, INSTALLATION, LAYOUT, SUITABILITY FOR A PARTICULAR
PURPOSE, OR DESIGN OF SUCH PRODUCTS.
GSI shall not be liable for any direct, indirect, incidental or consequential damages, including, without
limitation, loss of anticipated profits or benefits. The sole and exclusive remedy is set forth in the Limited
Warranty, which shall not exceed the amount paid for the product purchased. This warranty is not
transferable and applies only to the original end-user. GSI shall have no obligation or responsibility for any
representations or warranties made by or on behalf of any dealer, agent or distributor.
GSI assumes no responsibility for claims resulting from construction defects or unauthorized modifications
to products which it manufactured. Modifications to products not specifically delineated in the manual
accompanying the equipment at initial sale will void the Limited Warranty.
This Limited Warranty shall not extend to products or parts which have been damaged by negligent use,
misuse, alteration, accident or which have been improperly/inadequately maintained. This Limited Warranty
extends solely to products manufactured by GSI.
Prior to installation, the end-user has the responsibility to comply with federal, state and local codes which
apply to the location and installation of products manufactured or sold by GSI.
9101239_1_CR_rev7.DOC (revised July 2009)
Page 38
This equipment shall be installed in accordance with
the current installation codes and applicable
regulations which should be carefully followed in all
cases. Authorities having jurisdiction should be
consulted before installations are made.
Copyright © 2008 by GSI Group
Printed in the USA
GSI Group
1004 E. Illinois St.
Assumption, IL 62510-0020
Phone: 1-217-226-4421
Fax: 1-217-226-4420
www.gsiag.com
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