Hotsy 9452 Operator's Manual

Gas fired burner modules
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9452
9462
OPERATOR'S MANUAL
GAS FiREd BURNER MOdULES
For technical assistance or the dealer nearest you,
consult our web page at www.hotsy.com or call 1-800-525-1976
#8.914-365.0

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Summary of Contents for Hotsy 9452

  • Page 1 9452 9462 OPERATOR’S MANUAL GAS FiREd BURNER MOdULES For technical assistance or the dealer nearest you, consult our web page at www.hotsy.com or call 1-800-525-1976 #8.914-365.0...
  • Page 2 9452 SPECiFiCATiONS  Maximum Inlet: 3200 PSI  Machine Voltage: 120V  Total Machine Amperage: 1 Amps  Burner Type: Natural Gas, LP (optional)  BTU: 540,000 BTU/Hr Max  Exhaust Stack Size: 10"  Machine Weight: 470 Lbs.  Shipping Weight: 500 Lbs.
  • Page 3: Table Of Contents

    The model and serial numbers will be found on a decal attached to the machine. You should record both serial number and date of purchase and keep in a safe place for future reference. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 4: Introduction & General Safety Information

    4. Do not attach a gasoline operated pressure washer to this machine because gas vapors will This manual covers the operation and maintenance ignite. of the 9452, 9462 heating modules. All information in WARNING: Keep water spray this manual is based on the latest product information WARNiNG available at the time of printing.
  • Page 5 Therefore always provide adequate space and ventilation around these machines. a well ventilated area. 23. Hotsy will not be liable for any changes made to 10. When the machine is work- our standard machines, or any components not ing, do not cover or place in purchased from Hotsy.
  • Page 6: Component Identification

    COMPONENT idENTiFiCATiON Burner Exhaust vent For detail See Control Box illus. high Pressure Outlet Burner Switch Rupture disk Fuel Supply inlet Flow Switch valve Fresh Water inlet Power Cord Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 7: Installation

    Electrical: The machine, when installed, must be electrically grounded in accordance with local codes. Check for proper power supply using a volt meter; check the serial plate for the correct requirements. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 8 Length Iron Pipe Size 2009 of Pipe 1613 (ft.) 3/4" 1" 1 -1/4" 1-1/2" 2" 1381 1400 2100 3950 1224 1460 2750 1109 1180 2200 1020 1900 1680 1520 1400 1300 1220 1150 Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 9 - 1/2 square inch for each 1000 BTU per hour input for make-up air from outside the building. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 10 Internal damage may occur and result in a haz- ardous condition. 6. dO NOT grip gas valve body with a pipe wrench or vise. Damage may result causing gas leakage. Use inlet or outlet bosses or a special body wrench. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 11: Pre-Start Checklist

    Do not attempt to light the appliance manually as a burn injury or hAS ELECTRONiC electrical shock may result. SPARk iGNiTiON. dO NOT ATTEMPT TO LiGhT MANUALLy. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 12: Operating Instructions

    STEP 7: Start attched pressure washer according to manufacturer’s safety and operation instructions then pull trigger on spray gun to al- low water flow. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 13: Detergents & General Cleaning Techniques

    • If painted surfaces are peeling or chipping, use detergent from flowing by removing detergent siphon extreme caution as pressure washer may re- tube from bottle. move the loose paint from the surface. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 14: Shutting Down & Clean-Up

    100°. water and run for a few minutes until steady stream of clean water is evident. STEP 4: Open spray gun to relieve remaining pressure. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 15: Basic Facts

    11 Water Column Inches = 4 Lb./Sq. In. 1 Lb./Sq. In. = 27.71 Water Column Inches 1 Lb./Sq. In. = 2.04" Mercury 1" Mercury = .39 Lb./Sq. In. 1 Std. Atmosphere = 14.73 Lbs./Sq. In Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 16: Troubleshooting

    4. If you do not have continuity through wire and the ignitor/sensor, check for a loose wire con- nection in the wire. Repair as needed. 5. Check to see if spark shorts to burner ring through a cut in the ignitor wire. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 17 If you read 24V accross the switch terminals the limit switch is open. Replace the limit switch. A pilot flame set too high will also cause burner to short cycle. Pilot flame lifts over ignitor/sensor. Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 18: Maintenance & Service

    Mix thoroughly and check ment clean and dry. label for proper solution mixing ratio. The areas around the Hotsy heating module should be 2. Remove nozzle from spray gun assembly and put kept clean and free of combustible materials, gasoline spray gun into container.
  • Page 19 CAUTION: Do not ream out orifices to a larger Exterior regulators are needed to control the system. size. Propane bottles are not included with machine. A high Hosty 9452/9462GF • 8.914-365.0 • Rev. 11/08...
  • Page 20: Preventative Maintenance

    Attention to regular preventative maintenance procedures will assist in preserving the performance of your equipment. Contact your Hotsy, Inc. dealer for maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer.
  • Page 21 Hotsy does not authorize any other party, including authorized Hotsy Distributors, to make any representation or promise on behalf of Hotsy, or to modify the terms, conditions, or limitations in any way. It is the buyer’s responsibility to ensure that the installation and use of Hotsy products conforms to local codes.
  • Page 22 Form #8.914-365.0 • Revised 11/08 • Printed in U.S.A.

This manual is also suitable for:

9462

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