1. Safety 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 equipment of these safety guidelines.
1. Safety Introduction 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 Deluxe and Standard Vane Axial Heater: VHD and VHS. It is designed for low to medium temperature grain conditioning, and is ideal for the aeration of rice, popcorn or other select grains.
2. Safety Decals If a decal is damaged or missing contact: GSI Decals 1004 E. Illinois St. Assumption, IL. 62510 Phone: 1-217-226-4421 A free replacement will be sent to you. Roof Damage Warning and Disclaimer The manufacturer does not warrant any roof damage caused by excessive vacuum or internal pressure from fans or other air moving systems.
2. Safety Decals Heater Access Door Decals DC-1225 WARNING Stay clear of rotating Size: 4.875" x 2.25" blade. Blade could start Located above access door on automatically. Can cause heater housing. serious injury. Disconnect power before servicing. See Note below. DC-1225 DC-1227 WARNING...
2. Safety Decals Control Box Decals DC-889 Size: 2.813" x 1.375" Located in control box on side opposite switches. Similar decal is incorporated into the control panel decal. WARMER COLDER VAPORIZER ADJUSTMENT VAPORIZER COIL SHOULD BE ADJUSTED SO VAPOR PIPE TRAIN IS WARM (100°F-125°F) TO THE TOUCH DC-535 PNEG-012 Vane Axial Heater...
4. Installation Fuel Connection 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. Investigate to be sure that the fuel supply system complies with all local codes for LP gas installations.
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4. Installation IMPORTANT: Heater must be interlocked with fan for safe operation. Heater Power Connection 1. Connect power cord to fan control box. 2. Make field connections in fan box as shown in Figure 3. Connect deluxe thermostat control as shown in Figure IMPORTANT: Thermostat must be installed for safe operation.
4. Installation Standard Heater - Second Heater Installation Two (2) standard heaters may be connected to one grain drying system and wired so they cycle together. One of the heaters should have a thermostat connected to it as per the installation instructions. That heater will be referred to as the primary.
4. Installation Deluxe Heater Electrical Installation Always disconnect and lock out power before working on or around heater. Standard electrical safety practices and codes should be used when working with a heater. Refer to the National Electric Code Standard Handbook by the National Fire Protection Association. A qualified electrician should make all wiring installations.
4. Installation Deluxe Heater - Second Heater Installation For Deluxe Units Using HF-7318 Control Board Two (2) deluxe heaters may be connected to one grain drying system and wired so they cycle together. One of the heaters should have a thermostat connected to it as per the installation instructions. That heater will be referred to as the master.
4. Installation Bin Configuration Figure 4E IMPORTANT: When mounting two (2) heaters on a bin it is imperative that they be situated as shown in Figure 4E. Plenum thermostat must be to the right of master heater and master heater must be to the right of slave heater.
4. Installation Plenum Thermostat Mounting The plenum thermostat must be ordered separately from the heater unit. 1. Follow installation instructions provided with the thermostat assembly. 2. Position the housing so that the bolt flanges are vertical, and the cord exits the housing from the bottom.
4. Installation Heater Orifice Setup The factory has set the orifices size for propane, high temperature and natural gas, low temperature. 1. Determine the type of gas to be used: Propane or natural gas. 2. Determine the operating temperature ranges to be used: High or low. Refer to tables on Page 23 Page 3.
5. Operation Operating Temperature Table IMPORTANT: The below table is not intended as a drying guide. It should be used as a reference for setting maximum plenum temperature for safe operation. Do not exceed plenum temperatures listed in table below. High Temperature Low Temperature High Temperature...
5. Operation Time Delay Operation - Standard Heater HH-1089E Time Delay Reset Operation The electronic time delay will indicate the operating condition of the heater through the LED light shown Figure 5A. This light should be on the exterior control panel of the heater when the unit is installed correctly.
5. Operation 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.
5. 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”...
5. Operation Adjusting the Vaporizer 1. Vaporizer should be adjusted so the vapor pipe train 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.
6. Service All heaters are constructed of durable weather-resistant materials, so a minimum amount of service should be required. Before the unit is started for the first time each season there are a few items that need to be checked out. All damaged parts should be repaired or replaced. 1.
7. Troubleshooting - Standard Heater Trouble Probable Cause Check-out Procedure 1. Visually check fan control box to see if wires 1. Heater not wired. are connected. 2. Fan not running. 2. Fan contactor must be energized for heater to run. 3.
9. Parts List Standard Heater Control Box Parts PNEG-012 Vane Axial Heater...
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9. Parts List Standard Heater Control Box Parts List Ref # Part # Description HF-7698 Backing Plate - Heater HF-8111 Control Box - Standard 069-1376-8 Control Box Lid - Poly Blank 090-1699-9 Rivet, 1/8" Diameter x 0.775" Long ARSM 0.501-0.625 Grip Range 90-0009 Lamp, 120V Amber D03-0696...
9. Parts List Deluxe Heater Control Box Parts Deluxe Heater Control Box Parts List Ref # Part # Description 069-1376-8 Control Box Lid HH-1487 Transformer 1 Pole Ignition HF-7318 Circuit Board Assembly THH-4020 High-Limit Switch 200° D03-0696 Control Box Latch HF-7211 Snap Track HF-7718...
9. Parts List 18" Vapor/NG Pipe Train Assembly 18" Vapor/NG Pipe Train Assembly Parts List Ref # Part # Description HH-1251 Strainer, 1/2" Y 250# WOG SCH 80 HH-2029 Nipple, 1/2" x 1-1/2" SCH 40 Black D07-0022 Elbow, 1/2"-90° Street SCH 40 Black HH-1077 Regulator, 1/2"...
9. Parts List 24", 26" and 28" LP Pipe Train Assembly 24", 26" and 28" LP Pipe Train Assembly Parts List Ref # Part # Description D08-0017 Tee, 1" x 1" x 3/4" HF-7920 Orifice Holder - Heater - 1/2" HF-7934 Orifice Plug (1/2) Drill: 7/32"...
9. Parts List 24", 26" and 28" LP High-Low Pipe Train Assembly 24", 26" and 28" LP High-Low Pipe Train Assembly Parts List Ref # Part # Description D08-0017 Tee, 1" x 1" x 3/4" THH-4121 Nipple, 3/4" Close SCH 40 Black 056-2228-7 Solenoid Valve 3/4"...
9. Parts List 24", 26" and 28" LP Modulating Pipe Train Assembly 24", 26" and 28" LP Modulating Pipe Train Assembly Parts List Ref # Part # Description D08-0017 Tee, 1" x 1" x 3/4" HF-7920 Orifice Holder - Heater - 1/2" HF-7934 Orifice Plug (1/2) Drill: 7/32"...
9. Parts List 24", 26" and 28" Vapor/NG Pipe Train Assembly 24", 26" and 28" Vapor/NG Pipe Train Assembly Parts List Ref # Part # Description D08-0017 Tee, 1" x 1" x 3/4" HF-7920 Orifice Holder - Heater - 1/2" HF-7934 Orifice Plug (1/2) Drill: 7/32"...
9. Parts List 24", 26" and 28" Vapor/NG High-Low Pipe Train Assembly 24", 26" and 28" Vapor/NG High-Low Pipe Train Assembly Parts List Ref # Part # Description D08-0017 Tee, 1" x 1" x 3/4" HF-7920 Orifice Holder - Heater - 1/2" HF-7934 Orifice Plug (1/2) Drill: 7/32"...
9. Parts List 24", 26" and 28" Vapor/NG Modulating Pipe Train Assembly 24", 26" and 28" Vapor/NG Modulating Pipe Train Assembly Parts List Ref # Part # Description D08-0017 Tee, 1" x 1" x 3/4" HF-7920 Orifice Holder - Heater - 1/2" HF-7934 Orifice Plug (1/2) Drill: 7/32"...
14 months from arrival at port of discharge, whichever is earlier. The end-user’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.
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