Hot water - gasoline powered - diesel/oil heated (50 pages)
Summary of Contents for Landa ENG4-2000
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If kn it 5 s eq ll a . Wa e thi y ca siti t us . Im 98015100-1 ® For technical assistance or the dealer nearest you, consult our web page at www.landa.com 9.801-511.0...
SYMBOLS Identification of Operational Label Symbols Burner Switch Pump Switch Hour Meter Steam Combination Detergent Voltage When the light is on, it means power supply is on Pilot Light When the light is on, it means there is power to the pilot control. If there is no light, see troubleshooting guide.
INTRODUCTION & IMPORTANT SAFETY INFORMATION Thank you for purchasing this Pressure Washer. 5. All installations must comply with local codes. We reserve the right to make changes at any time Contact your electrician, plumber, utility company without incurring any obligation. or the selling distributor for specific details.
IMPORTANT SAFETY INFORMATION WARNING: High pressure spray WARNING: Protect machine WARNING WARNING can cause paint chips or other from freezing. particles to become airborne 13. To keep machine in best and fly at high speeds. To avoid operating conditions, it is personal injury, eye, hand and important you protect machine foot safety devices must be...
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IMPORTANT SAFETY INFORMATION 22. Install optional LP gas regulator assembly, item Optional 9.802-633.0 or obtain a proper size regulator. Regulator Kit 9.802-633.0 23. Install this machine about 2 feet from wall to provide adequate ventilation and servicing space. t t l e This equipment incorporates parts such as snap switches or similar parts that tend to produce arcs or sparks.
COMPONENT IDENTIFICATION - ALL MODELS Gas Inlet located at Rear of Machine Pump/Burner High Exhaust Switches Pressure Collar Nozzle Spray Detergent Wand Valve Access S OU M PL ILIS T UT D ’E S BL éa L’O TÉ ”. éch s sur “O e pri...
INSTALLATION ENG 6-3200, 8-3200, 10-3000 Piping to Outside 17.33" 34.79" Customer Supplied Draft Diverter 17.36" 19.50" 36" Minimum Exhaust Out 12" Dia. Control Panel 1" Gas Inlet High Pressure 61.00" Out 3/8" QC Nipple Inlet Electrical Connection 26.18" Water In 3/4"...
INSTALLATION Place machine in a convenient location providing ample Install a gas union in the gas line adjacent to and up- support, drainage and room for maintenance (pgs 8-9). stream from the control manifold and downstream from the manual main shut-off valve. A 1/8" NPT plugged Location: tapping accessible for test gauge connection shall be installed immediately upstream of the gas supply...
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INSTALLATION LP-Gas (Liquid petroleum gas or containers are equipped with a fixed liquid level gauge which contacts the liquid level at 80% of container ca- propane) pacity, allowing 20% for expansion. LP-gas containers LP-gas is gas compressed into liquid form for easy not equipped with a fixed liquid level gauge can only transportation and storage.
INSTALLATION two inches from combustibles. Vents passing through combustion box and decreasing combustion efficiency. enclosed spaces and vents exposed to the weather The draft diverter can also help prevent back drafting should also be the double-wall type. Sometimes vents that can inhibit combustion. The draft diverter should have to be built of such great length that they come be installed a minimum of 36”...
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INSTALLATION Inspection and Testing Gas Piping: Testing has shown that simply adding a 36” stack extension to the flue adapter on top of the pressure The building structure should not be weakened by washer can reduce the outlet temperature by 5-10°F. installing the gas piping.
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INSTALLATION This process can also be used when turning down the firing rate for high altitude installations above 2000 ft. 1. Adjust the gas pressure down 4% for every 1000 ft of elevation. Example: Recommended firing rate for a 4.8@3000 is 4.2 wc-in.
INSTALLATION START-UP FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: Read and follow WARNING WARNING instructions carefully when If you do not follow these instructions exactly, a fire or installing or servicing machine. explosion may result, causing property damage, per- Failure to do so may result in sonal injury or loss of life.
INSTALLATION Check List Before Starting: CAUTION! If “NO” has been checked on any of the following sixteen questions, do not operate this machine. YES NO Has gas supply been inspected by an authorized contractor to meet local codes? Is machine protected from downdraft and excessive wind? Is machine shielded from moisture or water spray?
ASSEMBLY INSTRUCTIONS Pump Discharge Fitting Spray Cold Water Safety Source Latch High Pressure High Hose Garden Pressure Hose Hose 98015100-6 98015100-7 98015100-5 STEP 1: Attach the high pressure STEP 2: Connect the high pressure STEP 3: Connect garden hose to hose to the spray gun using teflon hose to the discharge fitting.
OPERATING INSTRUCTIONS STEP 2: Turn on main gas supply and depress and turn control knob to the ‘ON’ position. 98015100-12 STEP 1: Have an electrician con- nect power supply into electrical box according to information shown on 98015100-13 the serial plate. Detergent Burner Valve...
APPLYING DETERGENT & GENERAL OPERATING TECHNIQUES WARNING: Some detergents THERMAL PUMP WARNING may be harmful if inhaled or PROTECTION ingested, causing severe nau- sea, fainting or poisoning. The If you run the engine for 3-5 minutes without pressing harmful elements may cause the trigger on the spray gun, circulating water in the property damage or severe pump can reach high temperatures.
SHUTTING DOWN AND CLEANUP ecte terre cteu r l’eau veil OPER DAÑO Conn mise à la . Le procé disjon press ion, coule z l’inter rupte “ON” . La USAR ONAL à l’aide disjon cteur à haute faites . Mette posit brûle “ON”...
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION WATER Incoming water to machine warm or hot Lower incoming water temperature. TEMPERATURE Gas pressure too high See specifications for proper gas pressure. TOO HOT Detergent line sucking air Tighten all clamps. Check detergent lines for holes.
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TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Oil seal worn Check and replace if necessary. DRIPPING Faulty pressure gauge Install new gauge. OPERATING Insuffient water supply Use larger garden hose. Clean filter washer at PRESSURE water inlet. Old, worn or incorrect spray nozzle Match nozzle number to machine and /or replace new nozzle.
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TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION FLOW & BURNER A. No main power With power switch on, open trigger on spray gun SWITCH ON; and set your test meter to the 24 volt scale. Probe NO SPARK, B. Faulty transformer terminals 24V and 24V(GND). If you do not read NO PILOT GAS 24 volts, the problem is not the ignition system.
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TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION HAVE PILOT FLAME, Faulty main valve coil in the Set test meter to 24 volt scale. MAIN BURNER WILL gas valve NOT TURN ON Faulty ignitor/sensor and/or its With pilot flame on ignitor/sensor, probe terminals wiring MV and MV/PV on the ignition control unit.
MAINTENANCE AND SERVICE Spray Nozzles: should exceed its operating temperature, the high limit control will turn the burner off until the water cools. Each machine is equipped with one or more spray nozzles, depending on the model. Different spray Pumps: nozzles are calibrated for each machine, depending on Use only SAE 20/40 weight non-detergent oil.
MAINTENANCE & SERVICE Gas Pressure Requirements GAS VALVE REGULATOR All propane fired machines operate on vapor propane ADJUSTMENT fuel only. They are designed to operate at a pressure of 11 w.c.i. (between 1/3 and 1/2 of one psi), and are Adjustment of the built-in regulator isn’t normally nec- often operated at even higher pressures when extra essary, since it is preset at the factory.
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MAINTENANCE & SERVICE 2. TO CLEAN BURNER JETS: Select proper size drill for type gas involved. Use pin vise to hold drill and ream out each jet orifice. CAUTION: Do not ream out orifices to a larger size. If the water heater will be exposed to freezing weather, an anti-freeze solution should be circulated through the coil by whatever means are available for the particular system the water heater is used on.
MAINTENANCE AND SERVICE BASIC FACTS Based on 60° Propane Butane 1 Cu. Ft. NG Approx 1000 BTU Formula C3H8 C4H10 Vaporization Point (°F) -43.7 31.1 Specific Gravity (Vapor) 1.522 2.006 Specific Gravity (Liquid) 0.508 0.584 Lbs. per Gal. (Liquid) 4.23 4.87 BTU per Cu.
MAINTENANCE AND SERVICE PRESSURE EQUIVALENTS Simply stated, pressure is the force exerted by a gas or liquid attempting to escape from a container. It is useful to know how strong this “attempt to escape” is. Pressure can be measured with a manometer or with a pressure gauge.
PREVENTATIVE MAINTENANCE This pressure washer was produced with the best available materials and quality craftsmanship. However, you as the owner have certain responsibilities for the correct care of the equipment. Attention to regular preventative maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer for maintenance.
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Authorized LANDA Dealer of the defect. Your Authorized LANDA Dealer will file a claim with Landa, who must subsequently verify the defect. In most cases, the part must be returned to LANDA freight prepaid with the claim. For warranty service on components warranted by other manufacturer’s, your Authorized LANDA Dealer can help you obtain warranty service through these manufacturers’...
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Form #9.801-511.0 • Revised 9/13a • Printed in U.S.A.
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