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Sioux Tools S224443 Owner's Instruction Manual

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S TEEL COMPA N Y
R
Ultra Low Heater
Owner's Parts and Instruction Manual
For the Following Heater Controls:
Thermostat
EQM Board with Relative/Humidity Sensor
Sioux Steel Company
Sioux Falls, South Dakota 57101
800-557-4689
Manual No. 224424
10-31-19/KAG
1

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  • Page 1 S TEEL COMPA N Y Ultra Low Heater Owner’s Parts and Instruction Manual For the Following Heater Controls: Thermostat EQM Board with Relative/Humidity Sensor Sioux Steel Company Sioux Falls, South Dakota 57101 800-557-4689 Manual No. 224424 10-31-19/KAG...

  • Page 3: Table Of Contents

    Contents Heater Models ............Safety .

  • Page 4: Heater Models

    Heater Models PART # DESCRIPTION Centrifugal Fan Models S224443 7.5HP Ultra Low Heater with EQM Board and Relative/Humidity Sensor S224444 7.5HP Ultra Low Heater with Thermostat Control S224441 10-25HP Ultra Low Heater with EQM Board and Relative/Humidity Sensor S224442 10-25HP Ultra Low Heater with Thermostat Control...

  • Page 5: Safety

    Safety Read and save these instructions General Safety Statements Thank you for choosing a Sioux Steel Company product. It is designed to perform and serve you for many years. It is the goal of Sioux Steel Company to improve our products whenever it is possible and practical to do so. Sioux Steel Company reserves the right to change, improve, and modify products at any time without obligation to make changes, improvements, and modifications on previously sold equipment.
  • Page 6 Safety Recognize the Safety Alert Symbol The above symbol means “Attention! Be Alert! Your Personal Safety Is Involved!” Note this symbol in instructions for important issues concerning your personal safety. Read each message carefully to avoid personal injury or death. Follow Machine Safety Signs &...
  • Page 7 Safety Warning: To reduce the risk of fire, electric shock, or injury to persons, observe the following: 1. Use this unit only in the manner intended by the manufacturer. If you have any questions, contact the manufacturer. 2. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from being switched on accidentally.
  • Page 8 Safety Danger: Never enter bin, unless all power is locked off and another person is present. Rotating augers can kill or dismember! Danger: Flowing grain may trap and suffocate. If you enter a bin of flowing grain you can be completely submerged in grain in seconds.
  • Page 9 Safety Safety Decal Locations Safety decals and shields are mounted whenever possible at factory. Please check that all decals are in place according to these drawings and in good legible condition. To order replacement decals or shields (NO CHARGE) contact your dealer or Sioux Steel Company, 196 ½ E. 6 St., Sioux Falls, SD 57101-1265.
  • Page 10 Safety Safety- In Case of Fire Instructions Important: To maintain grain quality and avoid risk of bin fire, drying temperature should not exceed 130°F for in-bin stir drying of corn, or 180°F for in-bin continuous-flow system. Lower temperature may be required depending upon drying conditions.

  • Page 11: Heater Selection

    Heater Selection Determine the Right Size Fan for Your Bin Size First Warning! Determining the correct size fan for the size of the bin, type of grain and needs, is the key to successful drying. Your heater selection only needs to match your fan size, fuel source at hand, and type of heater controls desired.

  • Page 12: Site Prep Installation

    Site Prep Installation For Operation with Propane Vapor Danger: These units operate with flammable and explosive gases, improper installation, operation, or maintenance can create potential danger. Read all instructions carefully, and obey all cautions and warnings. Failure to do so could result in serious bodily injury or property damage. Shipping, Receiving, and Inspection Review heater model number, confirming this is the model you ordered.

  • Page 13: Centrifugal Fan Model Installation

    Centrifugal Fan Model Installation 1. Remove existing fan guard. Also remove hardware where indicated by the Letter “A” for mounting of Burner Assembly. Save 5/16” Fender Washers and Bolts for future use 2. Mount “Cent Mnt” (224416) onto Burner Ass’y (224314) as shown utilizing ¼”x ¾”...
  • Page 14 4. Assemble Control Box Mounts (224414) to base of Control Box as shown below utilizing ¼”x ¾” Hex bolts (154003) , ¼” Washers (13368), and ¼” Nylock Nut (157388). 5. For EQM version of heaters only (Heater Models S224441 and S224443). Proceed to next step for Thermostat versions (Heater Models S224442 and S224444) a.
  • Page 15 Centrifugal Fan Model Installation 6. Position Control Box Assembly on top of fan as shown and mount to top of fan housing utilizing ¼” x 1.25” Drill Screws (157630). 7. Drill a 1” hole in scroll of fan housing where indicated for High Limit Switch (2 x 4 box). Remove cover from Hi Limit Box and mount box to fan housing by positioning Hi Limit into hole and mounting box to housing with #10 x .75”...
  • Page 16 Centrifugal Fan Model Installation 9. Connect 45° elbow (224420) and hose (224436) to Burner Assembly as shown using Gas Rated Teflon Tape (208980). Position elbow to allow Hose to easily connect to the Plumbing Tree Connection. Note: Support Burner Assembly pipe when connecting elbow and hose to avoid twisting of assembly.
  • Page 17 Flame/Sense rod on burner assembly. 13. Check Gas Line for leaks with soapy water. 14. For EQM version of heaters (Heater Models S224441 and S224443), if the optional Headspace Temperature/Relative Humidity Sensor was provided, install at this time. Skip step if heater is a Thermostat version (Heater Models S224442 and S224444).
  • Page 18 For Thermostat Version (Heater Models S224442 and S224444) schematic see Thermostat Control Model Electrical Schematic (pg 28-29) 17. For operating instructions see either EQM Control Model (Heater Models S224441 and S224443) pages 32-47 or Thermostat Control Model (Heater Models S224442 and S224444) pages 24 sections of this...

  • Page 19: Triumph Fan Model Installation

    2. Drill 9/32” holes on top and inlet side of fan where indicated by dimples. a. For EQM version of heater (Heater Model S224443), that includes a Temperature Relative Humidity Sensor, a 7/8” hole will need to be drill where indicated on top of fan for the sensor.
  • Page 20 5/16” washer and bolts in their original holes from Step 1. 5. For EQM version of heater only (Heater Model S224443). Proceed to next step for Thermostat version (Heater Model S224444). a. Install Temperature and Relative Humidity Sensor inside control box (sensor will be found inside box).
  • Page 21 TRIUMPH FAN MODEL INSTALLATION 7. Drill a 1” hole in top of fan housing where indicated for High Limit Switch (2 x 4 box). Remove cover from Hi Limit Box and mount box to fan housing by positioning Hi Limit into hole and mounting box to housing with #10 x .75”...
  • Page 22 For Thermostat Version (Heater Model S224444) schematic see Thermostat Control Model Electrical Schematic (pg 28-29) 16. For operating instructions see either EQM Control Model (Heater Model S224443) pages 32-47 or Thermostat Control Model (Heater S224444) pages 24 sections of this manual.

  • Page 23: Thermostat Control Installation

    Thermostat Installation Warning! Before installing the Thermostat Control, disconnect and lock out all power to heater! Note: For Multiple fans/heaters on one bin If installing two heaters on a bin you will need to disconnect the existing Thermostat Controls (TC-100) from the heaters and install (1) TC-400 Thermostat Control (S19995).

  • Page 24: Thermostat Control Model

    Thermostat Control Model Operating Instructions WARNING! Although these controls are called “automatic” they do not sample the grain for proper moisture content! They are designed to cycle the heater on and off to the set of conditions that you select. It does not adjust the heater gas pressure to changing ambient temperatures or changing airflows.

  • Page 25: Troubleshooting (Thermostat)

    Thermostat Control Model Troubleshooting Heater Will Not Fire: • Be sure thermostat has a set point higher than the ambient temperature; otherwise heater is in standby mode. • Check if heater gas shut off valve is open. • Check heater regulator to determine a gas flow is available. •...
  • Page 26 Thermostat Control Model Troubleshooting d. Check Thermostat: Connect lead to #5 on terminal block. If no voltage is read, turn up thermostat. If voltage is still not present, replace thermostat (S3735100). e. Check Fenwal Control: Connect lead to L1 on Fenwal. If no voltage is read, check wire connections between Fenwal Control and terminal block #5.
  • Page 27 Thermostat Control Model Troubleshooting Flame Rod Fowling, Carbon Build Up • Carbon build up is a symptom of poor air moment. The plug is mounted in the optimum location for spark in clean air. Look for any object from the heater forward threw the transition that could be causing unwanted static pressure, like bin floor stands mounted directly in front of the outlet of the transition which can cause excess static pressure.

  • Page 28: Electrical Schematic

    Thermostat Control Model Schematic Note: 1) 120VAC Power Source supplied by end customer and must be interlocked through fan starter. It is the responsibility of the end customer to provide the interlocks. Failure to interlock heater through fan starter may lead to damage to heater in event of a fan shutdown and will void warranty.
  • Page 29 Thermostat Control Model TC-400 Schematic Note: 1) 120VAC Power Source supplied by end customer and must be interlocked through fan starter. It is the responsibility of the end customer to provide the interlocks. Failure to interlock heater through fan starter may lead to damage to heater in event of a fan shutdown and will void warranty.

  • Page 30: Electrical Layout/Components

    Thermostat Control Model Electrical Layout/Components Part Description Item Number Hi-Limit Switch S224456 Timer S224463 Fenwal Board S224190 (35-705505-015) Thermometer S171094 Thermostat S3735100...

  • Page 31: Plumbing Tree Layout/Components

    Thermostat Control Model Plumbing Tree Layout/Components Part Description Item Number Gauge S224381 Ball Valve S224370 Solenoid & Valve S224355 Regulator S224391...

  • Page 32: Eqm Control Model Instructions

    EQM Control Model EQM Conditioning Principles 1. Shelf Life Conditioning starts with storage and the desire to keep grain as long as possible without spoilage. Shelf life is determined by grain moisture and storage temperature. This has been well documented by university research and verified by field results.
  • Page 33 EQM Control Model EQM Conditioning Principles These principles are important to understand because it affects how grain is dried, the Drying Front, and Equilibrium Moisture (EQM). When water is turned to vapor it takes energy away from the surface of what it is leaving. This is just like when people sweat.
  • Page 34 EQM Control Model EQM Conditioning Principles Relative humidity and temp create vapor pressure in the air Moisture content and temp create vapor pressure from the kernel The pressure difference drives moisture either into the air or into the kernel: • When the pressure in the air is greater, the grain gets wetter •...
  • Page 35 EQM Control Model EQM Conditioning Principles • The airflow (cfm) is simply how many pounds of air are available to remove water. More airflow means that more pounds of air can carry away more pounds of water per minute. 6. Typical EQM Since the EQM of the air is critical to whether we are removing or adding moisture of the grain, we need to know when the air is right to accomplish the desired Target EQM for the grain.
  • Page 36 EQM Control Model EQM Conditioning Principles 7. Adding heat Adding a small amount of heat has a dramatic effect on EQM. For example: a typical fall day with 45F temperature and 75% relative humidity produces an EQM of 17% for corn. Just a 3F temperature rise drops the relative humidity to 67% and the EQM to 15.3%.
  • Page 37 EQM Control Model EQM Conditioning Principles 9. Grain type variances Grain types absorb moisture differently. The same air that would produce 15% moisture for corn would produce 13% for wheat or soybeans. Also the amount of EQM air required to remove moisture in corn is much less than what is required to add the same amount of moisture.

  • Page 38: Components/Functions

    EQM Control Model Components/Functions 1. Power Supply / Breaker The Power Supply / Breaker is located on a din rail in the control box and is the source for 110VAC and 24VDC to the EQM Board. The 110VAC will not receive power if the High Limit Thermostat is tripped or if the fan is not running (Heater power must be interlocked fan control).
  • Page 39 EQM Control Model Components/Functions 3. Ignition and Flame sensor The spark plug for the Fenwal is both the sparkplug for ignition and the flame detection system. Fenwal has two different styles. We use the two wire style. It will attempt to light and then check for a flame presence. Once the flame is detected it will continue in sensing mode until a flame failure in which case it will go through another purge cycle and attempt to light again.
  • Page 40 EQM Control Model Components/Functions 7. Burner The burner is unique in its size, baffle hole pattern, and side panels. The burner was developed to handle the high velocity air and the large variety of fan sizes that it accommodates. The low BTU design permits utilizing either Liquid Propane Vapor or Natural Gas.

  • Page 41: Setup And Operation

    EQM Control Model Setup and Operation 1. Connecting to your mobile device a. EQM Board The EQM board is equipped with a WiFi dongle that provides access to the EQM computing and database with a mobile device or laptop computer. When power is present on the EQM board the WiFi boots up (up to 2 min) and is then accessible.
  • Page 42 EQM Control Model Setup and Operation c. Setup on the dashboard The setup is unique to each bin and location. To fill in or change these parameters select “edit”. This is for basic information such as the name of the farm, bin location, bin number, number of rings, grain type, and EQM Target. There is also a button to permit setting the time in the event that the battery has lost power and the unit was turned off.
  • Page 43 EQM Control Model Setup and Operation This is the “Operation Limits” section, which are items such as the minimum and maximum relative humidity and temperature. This is the “Select the Sensors” section, which is selecting the type of Temp/RH sensors being used and if a heater is being used.
  • Page 44 EQM Control Model Setup and Operation This is the “Select the VFD” section, which is selecting the brand of VFD being used. Currently there is only the Vacon X5 Series being offered. After this screen, the next button brings you back to the basic information dashboard where you are given the opportunity to save all your edits.
  • Page 45 EQM Control Model Setup and Operation If Gages is selected from the dashboard, the current readings on the gages will be displayed. The limits will be shown in red on the dials. The current EQM will also be calculated and if the heat would be on and the butterfly valve position in this set of conditions if it were in the run mode.
  • Page 46 EQM Control Model Setup and Operation 2. Operation a. Run mode The primary operational settings to get started are: • Target EQM and Grain type • Minimum and maximum EQM o the maximum EQM is primarily for wet weather if the heater is unable to drive the ambient air EQM down to reasonable levels o if using a vfd, the minimum is of little consequence •...
  • Page 47 EQM Control Model Setup and Operation c. Advanced settings Access to the advanced settings is provided by a checkbox on the edit screen under basic information. It allows access to additional Operation Limits such as Minimum and Maximum EQM and Minimum and Maximum Fan RPM.

  • Page 48: Troubleshooting

    EQM Control Model Troubleshooting Heater Will Not Fire: • Check to make sure all EQM settings are set properly. • Check if heater gas shut off valve is open. • Check heater regulator to determine a gas flow is available. •...
  • Page 49 EQM Control Model Troubleshooting o Check 24vdc power supply: Connect lead to V+ on power supply. If no voltage is read, Power Supply (S224457) may need to be replaced. o Check EQM: Connect lead to 24V on EQM. If no voltage is read, check wire connections between 24vdc Power Supply and EQM.
  • Page 50 EQM Control Model Troubleshooting Burner Ignites and Operates, but Nuisance Lock Out Occurred • Replace flame-sensing rod (S208916). • Check flame-sensing rod wires and flame-sensing rod (S208916). Look for cracks or grounding in wires. • Check tank pressure, line, and strainer for blockage. Heater unit works best with a tank at 30% above capacity.

  • Page 51: Electrical Schematic

    EQM Control Model Electrical Schematic Note: 1) 120VAC Power Source supplied by end customer. 2) Heater must be interlocked through fan starter by connecting to EQM board as shown in schematic. It is the responsibility of the end customer to provide the interlocks. Failure to interlock heater through fan starter may lead to damage to heater in event of a fan shutdown and will void warranty.

  • Page 52: Electrical Layout/Components

    EQM Control Model Electrical Layout/Components Part Description Item Number Hi-Limit Switch S224456 Power Supply S224457 Fenwal Board S224343 (35-705505-115) EQM Board S224345 Modmotor S224348 Temp/RH Sensor S224225...

  • Page 53: Plumbing Tree Layout/Components

    EQM Control Model Plumbing Tree Layout/Components Part Description Item Number Gauge S224381 Butterfly Valve S224382 Solenoid & Valve S224355 Ball Valve S224370 Regulator S224391...

  • Page 54: Vfd (Vacon)

    Vacon VFD Connection to Heater Note: 1) 120VAC Power Source supplied by end customer. Separate Ground and Neutral will also need to be supplied. 2) Circuit Protection is provided by the VFD. The VFD is the control portion within and existing Branch Circuit. 3) Ensure Heater Housing is Properly Grounded to Heater Control Panel.

  • Page 55: General Maintenance

    GENRAL MAINTENANCE KEEP ALL GUARDS AND SCREENS IN PLACE DISCONNECT ALL POWER SOURCES BEFORE DOING ANY REPAIR, MAINTENANCE OR INSPECTIONS! BEGINNING OF EACH DRYING SEASON: Remove inlet screen. With power off, check for foreign material on fan blade. Turn fan by hand to be sure it rotates freely.

  • Page 57: Template (Thermostat)

    TEMPLATE (TC-100 Thermostat)

  • Page 59: Warranty

    RODUCT ARRANTY LIMITED WARRANTY FOR NEW SIOUX STEEL COMPANY PRODUCTS A. GENERAL PROVISIONS. “Sioux Steel” means Sioux Steel Company, 196 1/2 East Sixth Street, Sioux Falls, South Dakota 57104. The warranties described below are provided by Sioux Steel to the original purchasers of new products purchased from Sioux Steel or from an authorized Sioux Steel Dealer (the “Products”).
  • Page 61 SIOUX STEEL COMPANY WARRANTY AND MANUAL ACKNOWLEDGEMENT If you prefer to fill out this information online, visit: www.siouxsteel.com/find-resources/warranties FAILURE TO RETURN THIS WARRANTY AND MANUAL ACKNOWLEDGEMENT MAY VOID THE PRODUCT “LIMITED WARRANTY” CONTAINED IN YOUR INSTALLATION AND/OR OPERATIONS MANUAL PROVIDED WITH THE PRODUCT. Please complete and return the Warranty and Manual Acknowledgement within ten *(10) days of receipt to: Sioux Steel Company, PO Box 1265, Sioux Falls, SD 57101-1265.
  • Page 62 WARRANTY REGISTRATION IS REQUIRED TO VALIDATE YOUR WARRANTY (Please Fold and Tape at the bottom for mailing.) Sioux Steel Company Warranty Department Po Box 1265 Sioux Falls, SD 57101-1265...

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