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8.941-114.0-M     06/06/17

EHW Series

Hot Water - Electric Powered - Electric Heated

Operator’s Manual

Pressure Washer

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Cold W

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Inlet

Hot W

ater

Outlet

EHW

4-2000

CA

UTION

Ne

ver Use

:

• Bleach, chlor

ine products an

d other corro

siv

e chemicals

• Liquids containing

 solv

ents (i.e

. paint thinne

r,gasoline

,oil)

• T

ri-sodium phosphate p

roducts

• Ammonia products
• Acid-based produ

cts

These chemicals will ha

rm

 the 

unit and will damage

 the 

surf

ace being

 cleaned.

Use

 m

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acturer's detergen

ts as recommended in m

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MEN

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ARNING

EHW

4-2000

MODELS:             EHW4-2000C

1.109-500.0

EHW4-2000F

1.109-954.0

EHW4-3000C

1.109-501.0

EHW4-3000F

1.109-955.0

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www.landa.com

Summary of Contents for EHW Series

Page 1: ...GA R ETT EIN T Cold Water Inlet Hot Water Outlet EHW 4 2000 CA UT ION Nev er Use Blea ch chlo rine prod ucts and othe r corr osiv e che mic als Liqu ids con tain ing solv ents i e pain t thin ner gas...

Page 2: ...2 Landa EHW Operator s Manual 8 941 114 0 M Machine Data Label...

Page 3: ...heck 7 Operations Component Identification 8 Assembly Instructions 10 Shutdown Procedures 14 Storage 14 Pump Storage 14 Maintenance Troubleshooting 16 Preventative Maintenance 19 Parts Landa EHW Left...

Page 4: ...perator with the operation and function of the machine The MAINTENANCE section contains preventive main tenance to keep the machine and its components in good working condition They are listed in this...

Page 5: ...this Landa pressure washer Warning information should be emphasized and understood If the operator is not fluent in English the manufacturer s instructions and warnings shall be read to and discussed...

Page 6: ...ble liquids can create fumes which can ignite causing property damage or severe injury WARNING Risk of fire Do not install or operate near any flammable liquids WARNING Before obtaining access to elec...

Page 7: ...and balance at all times 21 Follow the maintenance instructions specified in the manual 22 When making repairs disconnect from electrical source 23 Do not operate this product when fatigued or under t...

Page 8: ...N 10 0 726 ON PRE NDE R O I OF F APA GA R ETT EIN T EX PO SE D PU LL EY S AN D BE LT S CA N CA US E INJ UR Y PR EC AU CIO N A VE RT ISS EM EN T WARNIN G Variable Pressure Control Wand Handle Nozzle Qu...

Page 9: ...n water tank that is heated to 200 by heating elements Pressure Relief Valve Safety device to protect from excessive pressure High Pressure Hose Connect one end to water pump high pressure discharge n...

Page 10: ...eater elements Prior to shipping a rust inhibitor was added to the hot water tank This will mix with the added water to prevent rust build up inside the tank Rust inhibitor should be added when adding...

Page 11: ...of pressure nozzle CAUTION Never replace nozzles without engaging the safety latch on the spray gun trigger STEP 7 Release the coupler collar and push the nozzle until the collar clicks Pull the nozzl...

Page 12: ...control handle clockwise to increase pressure Selection of high or low pressure is accompanied by turning the handle NOTE High pressure nozzle must be inserted at end of wand to obtain high pressure T...

Page 13: ...low detergent to remain on surface 1 3 minutes Do not allow detergent to dry on surface If surface appears to be drying simply wet down surface with fresh water If needed use brush to remove stubborn...

Page 14: ...oil Tri sod ium pho sph ate pro duc ts Am mo nia pro duc ts Aci d b ase d pro duc ts The se che mic als will har m the unit and will dam age the sur face bein g clea ned Use ma nufa ctur er s det erg...

Page 15: ...of the pumping system is required Weekly Maintenance After the first week of operation it is recommended 1 quart 1 litre of motor oil be added to the heat exchanger tank through the 1 1 4 fill pipe T...

Page 16: ...ATING PRESSURE Valves worn Check and replace if necessary Blockage in valve Check and clean out if necessary Pump sucking air Check water supply and suction line for air seepage at joints Worn piston...

Page 17: ...lty Check clean or replace Timer faulty Check and replace SYSTEM WILL NOT STOP Water leak in discharge line Repair water leak Pressure switch faulty Disconnect at timer If unit stops replace pressure...

Page 18: ...ill have to be disassembled to inspect and or replace the O rings in the actuator fitting Spring tension Adjustment should stop when pressure is no longer affected by further compression of the spring...

Page 19: ...r pressure washer Perform maintenance more often under severe conditions Oil Change Record Pump Oil SAE 10W 40 non foaming Inspect Daily inspect the oil level Change After first 50 hours then every 50...

Page 20: ...20 Notes Landa EHW Operator s Manual 8 941 114 0 M...

Page 21: ...21 Parts Parts EHW4 2000C 1 109 500 0 EHW4 2000F 1 109 954 0 EHW4 3000C 1 109 501 0 EHW4 3000F 1 109 955 0 LANDA EHW Landa EHW Operator s Manual 8 941 114 0 M...

Page 22: ...22 Landa EHW Left 30 34 31 15 15 14 13 9 18 15 16 17 39 29 41 37 40 38 14 32 For Detail See Electrical Box Page 19 Landa EHW Operator s Manual 8 941 114 0 M...

Page 23: ...solin e oil Tri s odiu m phos phat e prod ucts Amm onia prod ucts Acid bas ed prod ucts Thes e chem icals will harm the unit and will dam age the surfa ce bein g clean ed EX PO SE D PU LL EY S A N D...

Page 24: ...EL 4 3000 9 9 800 020 0 1 LABEL COLD WATER INLET 10 8 932 970 0 1 LABEL COLD WATER OUTLET 11 8 707 000 0 1 CONNECTOR 1 2 ANCHOR 12 8 755 033 0 1 BULKHEAD 3 8 FXF NPT STEEL 13 1 MOTOR SEE SPECIFICATION...

Page 25: ...3 8 X 20 2 WIRE PRESSURE LOOP 40 9 802 131 0 1 ELBOW 1 2 JIC X 3 8 90 BRASS 41 9 802 039 0 1 ELBOW 1 2 JIC X 3 8 90 BRASS 42 8 912 141 0 1 COVER SEA STAINLESS STEEL 43 9 802 071 0 8 25 ft TRIM 1 16 BL...

Page 26: ...26 Electrical Box GROUND 1 2 3 4 5 9 10 11 12 13 6 14 7 15 8 16 17 18 19 20 21 22 3 23 9 Landa EHW Operator s Manual 8 941 114 0 M...

Page 27: ...10 32 X 1 2 BH SOC BLK 10 9 802 762 0 1 SCREW 10 32 X 1 1 4 RH SC BLK 1 SCREW 10 32 X 1 1 4 RH SC BLK AUTO START STOP OPTION 11 9 802 515 0 1 STRAIN RELIEF 1 2 ST MED 12 9 802 424 0 38 CORD SERVICE SE...

Page 28: ...EHW Operator s Manual 8 941 114 0 M WAR NI NG TA NK FIL L EL BO W DO NO T PL UG VE NT HO LE Part No 1 2 6 5 4 7 9 8 3 10 64 11 13 12 17 16 15 42 43 44 45 46 47 24 To Pressure Washer 43 43 58 75 79 74...

Page 29: ...114 0 M Cabinet Right L1 L2 L3 32 31 30 18 26 27 25 24 29 28 19 20 21 22 23 56 33 34 35 38 36 37 41 40 39 48 49 80 50 51 53 52 54 55 43 59 47 53 56 64 57 48 23 61 60 62 63 53 61 52 43 25 71 68 67 70 6...

Page 30: ...0 2 BRACKET COIL 20 8 706 542 0 4 PAD 1 4 RUBBER COIL 21 8 711 785 0 10 HOSE 3 8 X 1 2 PUSH ON 22 8 913 214 0 1 BRACKET COIL SPACER 23 8 706 322 0 2 TUBE FITTING PARKER 8MSC6N 316 1 2 SS A LOK 24 8 70...

Page 31: ...40 0 3 LABEL GROUND SYMBOL 57 9 802 103 0 1 BUSHING SNAP 5 8 58 9 802 171 0 1 NIPPLE 1 2 HEX STEEL 59 9 802 073 0 10 ft WEATHERSTRIP 1 8 X 1 2 60 8 718 803 0 1 SCREW 10 32 X 3 4 BHSOC 61 9 802 695 0 3...

Page 32: ...32 Hose Spray Gun 5 6 1 2 4 Pressure Nozzle Landa EHW Operator s Manual 8 941 114 0 M...

Page 33: ...OAP NOZZLE 8 710 722 0 1 WAND ONLY SS VP AR AL 344 1 83 SSVPKIT KIT REPAIR AR SS SEAT 3 9 802 286 0 1 NOZZLE ONLY 1 8 BRASS SOAP NOT SHOWN 4 4 775 054 0 1 EASY FORCE ADVANCED KNA 5 8 739 072 0 1 HOSE...

Page 34: ...Landa EHW Operator s Manual 8 941 114 0 M Cold Water Inlet Hot Water Outlet ON PR EN DE R OFF I O AP AG AR 1 2 3 4 5 6 8 9 10 21 11 12 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 7 11 31 32 18...

Page 35: ...O REMOTE BNC CONNECTION 15 9 802 532 0 2 VALVE CHEM LESS SOLENOID 04F20C2118AAF 16 9 802 533 0 2 SOLENOID COIL 120V AF4C05 17 8 718 569 0 4 SCREW 10 32 X 1 2 PL RDH PH 18 9 802 695 0 4 NUT 10 32 KEPS...

Page 36: ...hemical 1 flow Chemical 2 To start chemical 2 flow press transmitter button 4 The green indicator light will illuminate when chemical 2 is in use Press button 4 again to stop chemical 2 flow When mach...

Page 37: ...e sure there are no other transmitters are transmitting in the area 1 Press the Function button once to select the Learn Code mode 6 Red LED lights you have approximately 5 seconds to make the next se...

Page 38: ...SCRIPTION NOTES 1 9 802 216 0 1 INJECTOR DET NON ADJUST 3 5 GPM 0 83 2 6 390 126 0 2 CLAMP HOSE 46 54 ST 3 9 802 251 0 6 ft TUBE 1 4 X 1 2 CLEAR VINYL 4 8 707 057 0 1 STRAINER 1 4 HOSE BARB Landa EHW...

Page 39: ...PUSH ON 6 8 706 888 0 1 ELBOW 3 4 JIC X 1 2 90 BRASS 7 9 802 048 0 1 SWIVEL 1 2 JIC FEM 3 8 MALE STEEL 8 9 802 039 0 2 ELBOW 1 2 JIC 3 8 90 STEEL 9 8 706 207 0 1 ELBOW 3 8 STREET STEEL 10 8 706 844 0...

Page 40: ...RING 2 62 X 25 1 SEE KITS TABLE 12 6 VALVE ASSEMBLY SEE KITS TABLE 13 9 803 193 0 6 O RING 3068 SEE KITS TABLE 14 9 802 928 0 6 VALVE PLUG 15 8 753 817 0 8 MANIFOLD STUD BOLT 16 9 802 890 0 8 LOCK WAS...

Page 41: ...5 8 752 820 0 3 BONDED SEAL SEE KITS TABLE 36 8 753 819 0 3 PLUNGER 18MM SEE KITS TABLE 37 8 752 823 0 3 COPPER SPACER SEE KITS TABLE 38 8 753 820 0 3 PLUNGER ROD 39 8 752 822 0 3 CONNECTING ROD PIN 4...

Page 42: ...del Size Voltage PH Hertz Part Pulley Pulley Part Bushing Bushing Part Belt Size Qty Part Contactor EHW4 20024C 6HP 460V 3PH 60 8 751 004 0 2AK51H 8 715 549 0 HX1 1 8 9 802 400 0 AX34 2 9 802 407 0 8...

Page 43: ...dary Fuse Secondary Fuse Part EHW4 20024C 8 724 303 0 9 802 551 0 1 2 Amp 2 9 802 462 0 1 2 AMP 1 9 802 463 0 EHW4 30024C 8 724 312 0 9 802 551 0 1 2 Amp 2 9 802 462 0 1 2 AMP 1 9 802 463 0 EHW4 20024...

Page 44: ...8 941 114 0 Printed in U S A...

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