Hot water - electric powered - lp gas 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 t us . Im For the Landa Dealer nearest you, consult our web page at www.landa.com 9.801-510.0 - AV 07/31/17...
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 Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
When ordering parts, please specify model and serial number. Use only identical replacement parts. This machine is to be used only by trained opera- tors. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Do not spray water on or near electrical components. Do not touch machine with wet hands or while standing in water. Always disconnect power before servicing. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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Use caution when oper- ating. Do not direct discharge stream at people or animals, or RISK OF INJECTION OR SEVERE INJURY severe injury or death will result. TO PERSONS. KEEP CLEAR OF NOZZLE. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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18" (457mm) or more above the floor. DO NOT SPRAY MACHINE OR ANY PEOPLE, ANIMALS OR ELECTRICAL PARTS. Follow the maintenance instructions specified in the manual. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Repeat leak test until problem is corrected. 9. LP-gas is normally non-corrosive – you need not worry about the inside of your container. However, the outside should be kept free from rust by a Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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REGULATOR, HI 8.717-746.0 PRESSURE, R321H22 HOSE, 1/2” X 19”, 8.711-855.0 PROPANE FITTING, PIGTAIL, FISHER, M318 (INCLUDED WHEN 8.717-782.0 ORDERING PART 8.717- 746.0) Optional Regulator Kit 9.802-633.0 t t l e n l e Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Wand — Must be connected to the spray gun. protector onto floor. This system prevents internal High Pressure Hose — Connect one end to water pump damage. pump high pressure discharge nipple and the other end to spray gun. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
The installation must size, an elbow is equivalent to about 2.6 feet of pipe conform to local codes (NFPA 54). and a tee is equivalent to about 5.2 feet of pipe. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Do not company. transport, install or use a vertical cylinder in a horizontal or upside down position. Proper care must be taken to position a horizontal container in the correct position for Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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Vents passing through draft into the stack without pulling more air through the enclosed spaces and vents exposed to the weather combustion box and decreasing combustion efficiency. should also be the double-wall type. Sometimes vents Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Connect the high pressure hose by pulling the coupler collar back and then inserting it onto the discharge nipple. Secure it by pushing the collar forward. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Follow the installa- drill a hole slightly larger than the combustion tion and adjustment instructions provided with your analyzer probe through the exhaust stack at a point about 18” above the flue adapter. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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10. If main burner fails to shut off, turn off gas supply. 11. Keep all combustible materials away from gas appliances. DO NOT allow lint or dust to collect in burner area. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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Have gas lines been checked with local codes? Have all operators using this machine been instructed properly and have they read the manual? Has the machine been installed according to operator's manual instructions? Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Turn CAUTION: Do not run the pump until the collar clicks. Pull the off machine. without water or pump damage nozzle to make sure it is seated will result. properly. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Turn the water off. Protect from freezing. Wand NOTE: High Pressure Nozzle Must Be Attached At End Of Wand To Obtain High Pressure. To High Pressure Apply Soap, See Applying Detergent & Nozzle General Operating Techniques. Trigger Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Rinsing Turn detergent valve clockwise to close. Operate pressure washer and allow a few seconds for the detergent to clear. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Turn pump off immediately. 4. Do not allow high pressure hose to become kinked. 5. Store the machine and accessories in a room which does not reach freezing temperatures. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
In areas where alkaline water is an extreme Refer to Troubleshooting Chart for low pressure. If the problem, periodic use of Landa Coil Descaler (part # trouble is found to be either the unloader or the pump, 8.914-296.0) will remove lime and other deposits your next step is to determine which is the problem.
Propane gas is heavier than air; unburned propane gas will gravitate to the floor rather than rise out of the stack. Hence, adequate floor space and good ventilation are especially important with propane systems. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Cost of Gas per Therm = Cost to Run Example Using Natural Gas at 50¢ Therm: 400,000 BTU Machine 400 Cu. Ft. (400,000 / 1,000) 4 x 50¢ = $2.00 / Hour to Run ((400 / 100) x cost of gas) Landa ENG Dealer’s Manual 9.801-510.0 - AV...
27.71" Water Column 1 lb./sq. in. 14.73 lbs./sq.in 1" Mercury .39 lb./sq. in 1 Std. Atmosphere 14.73 lbs./sq. in. Oil Change Record Date Oil Changed Month/ Estimated Operating Hours Day/Year Since Last Oil Change Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Clean Water and Chemical Screen/Filter Weekly Clean Float/Supply Tank Every 6 months Replace HP Hose If there is any sign of wear Grease Motor Every 10,000 hours Check Burner Pilot Jets Annually Pressure Relief Valve Annually Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Broken or weak inlet or discharge valve Check and replace if necessary. PUMP NOISY springs Excessive matter in valves Check and clean if necessary. Worn bearings Check and replace if necessary. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Improper pressure regulator to machine for correct sizing of regulator. LOW WATER TEMPERATURE Low gas pressure Increase gas pressure Soot buildup on coils not allowing heat Clean coils. transfer Improper burner nozzle See serial plate. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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4. If you do not have continuity through wire and the ignitor/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 ignitor wire. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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 ignitor/sensor. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Parts Parts LANDA ENG (ENG4-2000, ENG4-2200, ENG4-3000, ENG5-2300, ENG5-3000, ENG6-3200, ENG8-3200, ENG10-3200) Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Coil - NG 4-5 NG 4-2000, 4-2200, 4-3000, 5-2300, 5-3000 Burner Assy. Illus. For Detail Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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SHIELD, PILOT , NG/SM 9.802-685.0 PILOT,NATURL GAS PILOT A3-S,#77623 2SH60 9.802-772.0 SCREW, 10/32" X 1/4" 8.726-103.0 SCREW, 1/4"-20 X 5/8" WHIZ LOC 8.718-817.0 NUT, 1/4" WHIZ LOC SS 9.802-036.0 NIPPLE, 1/2" JIC X 3/8" MPT, STEEL Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Pump - NG 4-5 NG 4-2000, 4-2200, 4-3000, 5-2300, 5-3000 Steam Valve Option t e r l v e F l o F l o Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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UNLOADER, VRT3 W/SWITCH 9.802-039.0 ELBOW, 1/2" JIC X 3/8" MPT, STEEL 9.802-129.0 ELBOW, 1/2" JIC X 3/8" MPT 8.918-425.0 HOSE, 3/8" X 29" 8.706-955.0 HOSE BARB, 1/4" X 1/8" MPT, 90° SEE SPECIFICATIONS Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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Pump - NG 6-10 NG 6-30200, 8-3200, 10-3000 F l o Steam Valve Option t e r l v e F l o Steam Valve Option Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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8.706-297.0 BUSHING, 3/8" X 1/4" STEEL (6-3200) 9.802-038.0 NIPPLE, 1/2" JIC X 1/2" MPT, STEEL (8-3200,10-3000) 9.802-036.0 NIPPLE, 1/2" JIC X 3/8" MPT, (6-3200) 8.706-955.0 HOSE BARB, 1/4" BARB X 1/8" MPT 90° Landa ENG Dealer’s Manual 9.801-510.0 - AV...
Tensioner Torque Specifications 9 ft-lbs (108 in-lbs) 434 in-lbs (36.166 ft-lbs) 25 in-lbs (2.08 ft-lbs) NOTE: Orientation of item numbers 1 and 2 is dependent on model family Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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Tensioner Torque Specifications PART NO. DESCRIPTION NOTES 8.923-700.0 BRAKET, TENSIONER, ROSTA 8.749-975.0 TENSIONER, ROSTA, SE18, BELT 8.749-973.0 BUSHING, IDLER TENSION Landa ENG Dealer’s Manual 9.801-510.0 - AV...
If kno serv lt in outa utes a serv resu pilot . Wai ipme call tion this edia tely posi r. Imm wate repa M IS D EL SI O D 'E O ID Landa ENG Dealer’s Manual 9.801-510.0 - AV...
DOOR, END PANELS NG/SM 8.921-399.0 DOOR, SIDE PANEL COIL PUMP 8.753-254.0 BALL STUD, LARGE, 5/16 ZINC 9.802-778.0 NUT, 5/16, WHIZ LOC FLANGE 9.802-068.0 PLUG, RUBBER 8.719-081.0 LATCH SPRING, FLUSH HEAD 8.753-462.0 RIVET, 1/8" BLACK STEEL Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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If knob servi t in outag 5 minu ment a servi resul Shou pilot ion. Wait this equip call posit r. Imme diate wate repai L AG Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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8.753-254.0 BALL STUD, LARGE, 5/16" ZINC 9.802-778.0 NUT, 5/16" WHIZ LOC FLANGE 9.802-068.0 PLUG, RUBBER, SJ-10/15 P/N 1372-26012 8.719-081.0 LATCH, SPRING FLUSH HEAD 8.753-462-0 RIVET, 1/8" BLACK STEEL 8.921-646.0 DOOR, SIDE, PUMP, NG/LM Landa ENG Dealer’s Manual 9.801-510.0 - AV...
SEE PARTS LIST 4-3000LP X-44 SEE PARTS LIST 5-2300LP X-44 SEE PARTS LIST 5-3000LP X-44 SEE PARTS LIST 6-3200LP X-44 SEE PARTS LIST 8-3200LP X-88 SEE PARTS LIST 10-3000LP X-88 SEE PARTS LIST Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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If “spike” pressure exceeds the 500 psi limit, remove the adjusting knob (Item 18) and re-adjust (lower) the nuts (Items 15) on the stem (Item 8). Re-attach the adjusting knob (Item 18), then repeat step #6. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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If “spike” pressure exceeds the 500 psi limit, remove the adjusting knob (Item 18) and re-adjust (lower) the nuts (Items 15) on the stem (Item 8). Re-attach the adjusting knob (Item 18), then repeat step #6. Landa ENG Dealer’s Manual 9.801-510.0 - AV...
O-RING 3068 SEE KITS TABLE 9.802-928.0 VALVE PLUG 8.753-817.0 MANIFOLD STUD BOLT 9.802-890.0 LOCK WASHER 8.719-008.0 COPPER WASHER 3/8 8.707-262.0 BRASS PLUG 3/8 VALVE SEAT SEE KITS TABLE VALVE PLATE SEE KITS TABLE Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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KIT DESCRIPTION 16 mm 16 mm 16 mm Valve Seals ITEM NUMBERS 3, 5, 7 3, 4, 5, 6, 7 34, 35, 36, 37 11, 12, 13 INCLUDED NUMBER OF CYLINDERS KIT WILL SERVICE Landa ENG Dealer’s Manual 9.801-510.0 - AV...
VALVE ASSEMBLY SEE TABLE KITS 9.803-948.0 O-RING Ø1.78 X 18.77 SEE TABLE KITS 9.803-949.0 VALVE PLUG 8.754-851.0 PLUG, BRASS G1/4 8.718-973.0 WASHER, COPPER G1/4 8.754-854.0 BOLT, MANIFOLD M14 X 40 8.754-850.0 WASHER, LOCK Landa ENG Dealer’s Manual 9.801-510.0 - AV...
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KIT DESCRIPTION 16 mm 16 mm 16 mm Valve Seals ITEM NUMBERS 4, 6, 8 4, 5, 6, 7, 8 36, 37, 38, 39 12, 13, 14 INCLUDED NUMBER OF CYLINDERS KIT WILL SERVICE Landa ENG Dealer’s Manual 9.801-510.0 - AV...