Hotsy 1.109-691.0 Dealer's Manual
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Hotsy 1.109-691.0 Dealer's Manual

Hot water - gas fired
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900/1400 Series
Hot Water - Gas Fired
Dealer Manual
WARNING:
This product and accessories may contain a chemical
State of California to cause cancer and birth defects or other
reproductive harm.
For more information about this regulation:
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Pressure Washer
MODELS:
1452P
921N
1.109-702.0
1.109-691.0
1454N
926N
1.109-707.0
1.109-692.0
1452N
943P
1.109-703.0
1.109-695.0
1455P
943N
1.109-708.0
1.109-696.0
1455N
944P
1.109-709.0
1.109-697.0
1451N
944N
1.109-701.0
1.109-698.0
1456N
942P
1.109-710.0
1.109-693.0
1473N
942N
1.109-713.0
1.109-694.0
1474N
945P
1.109-714.0
1.109-699.0
1451P
921P
1.109-950.0
1.109-948.0
1475P
945N
1.109-952.0
1.109-700.0
1473P
926P
1.109-711.0
1.109-949.0
1474P
1453P
1.109-712.0
1.109-704.0
1456P
1453N
1.109-951.0
1.109-705.0
1475N
1454P
1.109-953.0
1.109-706.0
For the Hotsy Dealer nearest you,
consult our web page at
www.hotsy.com
9.803-324.0-AW
02/20/18

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  • Page 1 1453N 1.109-951.0 1.109-705.0 1475N 1454P 1.109-953.0 1.109-706.0 For the Hotsy Dealer nearest you, consult our web page at WARNING: www.hotsy.com This product and accessories may contain a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.

  • Page 2: Machine Data Label

    When the light is on, it means there is power to the pilot control. If there is no light, see troubleshooting guide. Motor Overload When the light is on, it means the overload is tripped. Reset overload. Not all machines have all symbols Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 3: Table Of Contents

    VB9 Unloader ......58 Wiring Diagram - 900/1400 3PH W / Elec Ignition 60 Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 4: How To Use This Manual

    KIT INSTRUCTIONS which came with the kit. It contains replacement parts numbers needed for ordering future parts. NOTE: The manual part number is located on the lower right corner of the front cover. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 5: Safety

    Use only identical replacement parts. électrique, débrancher toutes les connexions électriques et la soupape de coupure des gaz avant This machine is to be used only by trained operators. d'effectuer des opérations d'entretien. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 6 10. To reduce risk of injury, close supervision is DO NOT ADD FUEL WHEN OPRERATING marche ou encore chaud. necessary when a machine is used near children. Do MACHINE. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 7 Therefore, when located in a garage, it should be in a room or enclosure provided for the purpose or should be installed 18" (457mm) or more above the floor. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 8: Propane Tank Safety Instructions

    Use only personnes qualifiées. trained certified LP-gas service personnel to perform Never allow your LP-gas container to be filled above repairs. the maximum safe level as indicated by a scale or the Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 9: Operations

    8.2 HP 36.5 Amps 615 Lbs 1451N 234 GPH 364,835 BTU/Hr. 60Hz/1Ph Natural Gas Fired, 4.0 GPM / 575VAC/ 3000 PSI 8.2 HP 10 Amps 615 Lbs 1456N 234 GPH 364,835 BTU/Hr. 60Hz/3Ph Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 10 L 47.5” X W 21” X H 51” 1455N 675 Lbs 8” L 47.5” X W 21” X H 51” 1451N 675 Lbs 8” L 47.5” X W 21” X H 51” 1456N Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 11 L 47.5” X W 21” X H 51” 1456P 680 Lbs 8” L 47.5” X W 21” X H 51” 1475P 680 Lbs 8” L 47.5” X W 21” X H 51” 1475N Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 12: Component Identification

    Bend Restrictor (Shroud) — This shroud has different Relief Valve — Safety device preventing over-pressur- lengths depending on pressure. The largest shroud ization. must be connected to the spray gun to protect operator if hose becomes separated. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 13: Assembly Instructions

    2. Install pressure hose on machine as shown. 3. Assemble wand components as shown. Connect pressure hose to trigger gun. NOTE: The nozzle is not to be installed at this time. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 14: Installation Instructions

    5.2 feet of pipe. Confer with local gas company and with proper municipal officials regarding any specific code or regu- lations governing the installation. The installation must Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 15 Proper care must be taken to and one square inch for every 4,000 BTUH for vertical position a horizontal container in the correct position for ducts (refer to NFPA 54). Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 16 Ventilation Illustration showing air openings necessary to supply air for combustion when installed in an enclosed room. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 17 American Standard (ANSI-Z223.1) National Fuel Gas Code or National Standard of Canada CSA- On/Off 149.1 and CSA-149.2 “Installation Code for Gas Switch Burning Appliances”. Manifold Pressure Adjustment Screw Under Cap Outlet View Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 18: Operation Instructions

    The safety trigger lock should be used whenever the trigger gun is not in use. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 19 Rinse from the top to the bottom to prevent turn off. detergent from dripping onto a rinsed area. For the best results, contact your Hotsy dealer to help you IMPORTANT: If ignition or flame failure is experi- select the best detergent for your application.

  • Page 20: Shutdown Instructions

    AVERTISSEMENT: Une modification non autorisée de la machine ou l'utilisation de pièces de rechange non approuvées peut causer des lésions corporelles et/ou des dommages à la propriété, et annulera la garantie du fabricant. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 21: Maintenance

    Maintenance Pump Gas Burner Use Hotsy Pump Oil (8.923-422.0) 10W-40 for pump It is recommended that the gas burner be serviced crankcase. Crankcase must be filled to the full mark on yearly or as needed. Contact your local service center.

  • Page 22: Smart Relay Instructions

    (if Timer 1 has not locked out). Menu Language Timer 2 is factory set to 30 seconds. Switch to OP 4.Move the cursor to highlight ‘Set Clock’ and Set Clock press OK to accept. S/W Time Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 23 Setup and press OK to confirm. Network Diagnostics 4.Using the up/down arrow Set Parameter key ▲ or ▼, move the Prog Name cursor to highlight ‘Set Parameter’ and press OK to confirm. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 24 To operate in time delay mode timer 2 must be deactivated. This is Timer 2 01:00 Hours done by setting timer 2 to value greater than timer 1. Timer 3 15:00 Seconds Pump must run more than 15 seconds to reset timer 1. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 25 • Connect a 24V/AC normally closed solenoid on A water inlet solenoid can be added to the machine that the water inlet, contact local Hotsy dealer for will open only when the machine is running or in solenoid options. standby. The solenoid closes when the machine is off to prevent possible water overflow when unattended.

  • Page 26: Troubleshooting

    Gas valve switch in OFF position Place switch in ON position. WILL NOT Inadequate fuel supply Check fuel supply. PRODUCE Pump switch turned off Pump must be running before burner will light. HOT WATER Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 27 SMOKES OR HAS OBNOXIOUS ODOR Excessive pressure due to Replace unloader valve. PRESSURE defective unloader valve RELIEF VALVE Defective relief valve Replace relief valve. LEAKING Dirty relief valve Clean relief valve seat Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 28: Burner Troubleshooting

    If you read 24V across 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 igniter/sensor. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 29 4. If you do not have continuity through wire and the igniter/sensor, check for a loose wire connection in the wire. Repair as needed. 5. Check to see if spark shorts to burner ring through a cut in the igniter wire. Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 30 IMPORTANT If the pressure washer demonstrates other symptoms or the corrective actions listed do not correct the problem, contact the local authorized Hotsy Service Center. The Hotsy Service Center can be identified by visiting www.hotsy.com. When ordering from your dealer, please provide the following:...

  • Page 31: Parts

    942N 1473N 1.109-694.0 1.109-713.0 945P 1474N 1.109-699.0 1.109-714.0 921P 1451P 1.109-948.0 1.109-950.0 945N 1475P 1.109-700.0 1.109-952.0 926P 1473P 1.109-949.0 1.109-711.0 1453P 1474P 1.109-704.0 1.109-712.0 1453N 1456P 1.109-705.0 1.109-951.0 1454P 1475N 1.109-706.0 1.109-953.0 Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 32: Frame Bolt Up

    Frame Bolt Up Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 33 NOTES 8.920-765.0 WLMT, COIL BRNR BOX 8.923-171.0 WLMT, POWER CUBE BASE 9.802-778.0 NUT, 5/16" WHIZ LOCK 8.920-783.0 FRAME, CONTROL PANEL ,TOP 8.753-254.0 BALL STUD, 5/16" 9.803-551.0 SCREW, 5/16" X 3/4 WHIZ LOC Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 34: Burner Box

    Burner Box Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 35 NIPPLE, BLACK PIPE 3/4" X 9" 9.802-718.0 U-BOLT 5/16" X 1-1/2" 9.803-616.0 VALVE, 3/4" NG, 24V3.5 HONEYWELL 9.802-911.0 36" TUBE, ALUM, 600"/RL1/4" 37-961464, PER 9.802-778.0 NUT, 5/16", WHIZ LOC 8.718-582.0 BOLT, 1/4" X 1/2" NC, HH Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 36: Coil

    Coil Location Of 1st Serial Plate Outside Of Panel l o a Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 37 ELBOW, 3/8" STREET, 45 DGR, STEEL 8.920-963.0 WLDMT, STRAP 8.922-407.0 BRACKET, DOORLOCK 900-1400 8.751-055.0 RIVET, ALUM, 3/16" 8.932-968.0 LABEL, INTENDED FOR OUTDOOR USE - USA 9.800-034.0 LABEL, CLEAR LEXAN, 4.3" X 5.5" Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 38: Pump & Unloader

    I n l r o m r o m F l o F l o r o m r o m t l e t l e a i n a i n Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 39 9.802-259.0 14" HOSE, PUSH-ON 8.718-961.0 WASHER, M10 SPLIT RING 9.802-043.0 ELBOW, 1/2" JIC X 1/2" FEM 90° (FOR 1.109-711.0, - 712.0, -713.0 AND 8.706-993.0 ADAPTER, 3/8" X 3/8" -714.0, -952.0, 953.2 ONLY) Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 40: Float Tank

    Float Tank Align Angled Opening of Splash Gaurd Facing into Nearest Corner of Float Tank Cold Water Inlet See Pump & Unloader Assembly Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 41 9.802-146.0 SWIVEL, 1/2" MP X 3/4" GHF W/STRAINER 9.802-259.0 6" HOSE, PUSH-ON, 1/2” 9.802-131.0 ELBOW, 1/2" MSAE X 1/2" MPT 8.707-310.0 VALVE, FLOAT BRASS, HOTSY 8.754-789.0 NUT, 1-8, HEX, GRADE A ZINC Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 42: Tensioner

    Tensioner 108 in-lbs (9 ft-lbs) 434 in-lbs (36.166 ft-lbs) 25 in-lbs (2.08 ft-lbs) Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 43 BRACKET, IDLER, ROSTA 8.749-975.0 TENSIONER, ROSTA, SE18, BELT 8.753-273.0 PULLEY, 2B36 SH 8.749-973.0 BUSHING, IDLER TENSION 9.802-807.0 WASHER, 3/8", SAE FLAT ZINC 9.802-720.0 BOLT, 3/8" X 1" NC HH 9.802-779.0 NUT, 3/8", ESNA NC Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 44: Electrical Box

    NOTES 8.922-757.0 BOX, ELECTRICAL 8.925-392.0 BOX, ELECTRICAL, 1400/WEG 1452N, P ONLY 9.802-283.0 HOUR METER, 24-240VAC 50/60 CONTACTOR SEE SPECIFICATION PAGES OVERLOAD SEE SPECIFICATION PAGES TRANSFORMER SEE SPECIFICATION PAGES FUSE SEE SPECIFICATION PAGES Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 45 HOLDER, FUSE 8.716-170.0 FUSE, MDL-1/2 250V FUSE 8.922-969.0 BRACKET, BACK, E-BOX 8.751-055.0 RIVET, ALUM 3/16" DIA.062-.125 GRIP 9.801-488.0 LABEL, TERMINAL BLOCK, 12 PIN 9.807-875.0 PLC LOGIC, STATIONARY HOT WATER, FS NOT SHOWN Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 46: Component Cube

    2nd Serial Plate Inside Motor Electrical Box PART NO. DESCRIPTION NOTES MOTOR SEE SPECIFICATION PAGES PULLEY SEE SPECIFICATION PAGES PULLEY SEE SPECIFICATION PAGES BUSHING SEE SPECIFICATION PAGES 9.802-402.0 BUSHING, H X 24MM Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 47 COVER, 2" X 4" METALWEATHER PROOF 9.800-040.0 LABEL, GROUND SYMBOL 8.716-339.0 ELEC BOX, 4" X 2" 8.753-364.0 STRAIN RELIEF 9.803-279.0 STRAIN RELIEF (944N, 944P, 1456N, 1456P) 9.803-280.0 LOCKNUT (944N, 944P, 1456N, 1456P) 9.802-779.0 NUT, 3/8" ESNA, NC Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 48: Power Side

    E SI MÀ MÀ T EN T EN S BL S BL IE S IE S T CA T CA E L’A E L’A S CO S CO S S’A S S’A Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 49 LABEL, COLD WATER INLET 9.800-049.0 LABEL, MANUFACTURERS CLEANING SOLUTION 8.932-965.0 LABEL, WARNING, EXPOSED PULLEY 9.802-252.0 8 ft. HOSE, 1/4” X 1/2” BRAIDED VINYL 9.802-252.0 12" HOSE, 1/4” X 1/2” BRAIDED VINYL 8.921-204.0 LABEL, CONTROL PANEL Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 50: Panel & Doors

    Panel & Doors Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 51 LABEL, WARNING, EXPOSED PULLEY 8.751-055.0 RIVET, ALUMINUM 3/16" DIA. 062-.125 GRIP 9.706-548.0 GROMMET, 2-1/2" NOT SHOWN 8.920-777.0 LID, PUMP MOTOR, COVER 9.800-006.0 LABEL, HOT/CALIENTE 8.719-081.0 LATCH, SPRING, FLUSH HEAD 9.804-301.0 RIVET, 1/8" X 1/4" Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 52: Hose, Gun, & Wand

    Hose, Gun, & Wand 6,7,8 Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 53 NOZZLE, 5.0 YELLOW 8.712-352.0 NOZZLE, 4.5 WHITE (1400 SERIES) (943P, 943N, 944P, NOZZLE, 5.5 WHITE 8.712-360.0 942P, 944N, 942N, 945P,945N) 8.712-356.0 NOZZLE, 5.0 WHITE (921N, 926N) REPLACEMENT PARTS 8.701-663.0 VALVE ASSEMBLY, UNITIZED Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 54: Specifications

    8.724-307.0 9.803-662.0 8.751-180.0 9.804-060.0 1474P 8.751-015.0 8.724-280.0 8.724-305.0 9.803-662.0 8.751-180.0 9.804-060.0 1474N 8.751-015.0 8.724-280.0 8.724-305.0 9.803-662.0 8.750-746.0 9.804-060.0 1475P 8.755-599.0 8.724-283.0 8.742-306.0 9.803-662.0 8.750-746.0 9.804-060.0 1475N 8.755-599.0 8.724-283.0 8.742-306.0 9.803-662.0 8.750-746.0 9.804-060.0 Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 55 8.715-705.0 9.803-299.0 9.802-402.0 8.718-056.0 9.802-685.0 9.803-616.0 8.713-286.0 1474P 8.715-705.0 9.803-299.0 9.802-402.0 8.718-055.0 9.802-685.0 9.803-616.0 8.713-286.0 1474N 8.715-705.0 9.803-299.0 9.802-402.0 8.718-056.0 9.802-685.0 9.803-616.0 8.713-286.0 1475P 8.715-705.0 9.803-299.0 9.802-402.0 8.718-055.0 9.802-685.0 9.803-616.0 8.713-286.0 1475N Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 56: Hm.3 Series Pump

    VALVE PLUG 9.802-938.0 MANIFOLD STUD BOLT 9.802-884.0 WASHER 9.803-198.0 COPPER WASHER 3/8 9.802-925.0 BRASS PLUG 3/8 9.802-944.0 HEXAGONAL SCREW 8.717-210.0 CLOSED BEARING HOUSING 9.803-192.0 O-RING Ø1.78 X 60.05 8.933-011.0 TAPERED ROLLER BEARING Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 57 REPAIR KIT NO. 8.933-023.0 9.802-603.0 9.802-609.0 Plunger Plunger Complete 3540 Valve DESCRIPTION 15mm Seals 33, 34, 35, ITEM NUMBERS 11, 12, 13 36, 37, 38 INCLUDED NO. OF CYLINDERS KIT WILL SERVICE Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 58: Vb9 Unloader

    WASHER, 4 X 16 MM 60.2351.31 60.2353.31 SEAT FITTING 10.3165.00* O-RING, 2.62 X 2.84 10.4018.00* BACK RING, 3.2 X 7.5 MM 30.4115.31 M 10 PLUG 60.2352.51 SST PIN 10.3073.00* O-RING, 1.78 X 23.52 MM Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 59 ADJUSTMENT NIPPLE 11.4589.10 M8 NUT 16.1838.00 M4 TC SCREW 60.2251.84 PLASTIC KNOB 14.3582.00 WASHER, D 30 MM 60.2254.31 M30 NUT 29.0096.24 PR 5 PL. HOUSING KIT *KIT 8.704-548.0 VB9.01+PR5 SPARE PARTS KIT,14X1 PCS Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...

  • Page 60: Wiring Diagram - 900/1400 3Ph W / Elec Ignition

    Wiring Diagram - 900/1400 3PH W / Elec Ignition Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 61 Notes Hotsy 900/1400 Series Dealer Manual 9.803-324.0 - AW...
  • Page 62 If you need SERVICE on your pressure washer, contact your local Hotsy dealer or visit www.Hotsy.com. Smart phone users scan the code below to link directly to the Service Request page. To REGISTER your pressure washer, please visit our Warranty Registration page at www.hotsy.com/WarrantyRegistration.aspx or scan the code...

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