Landa NG-3000 Manuale utente

8.913-942.0-E 08/20/21

Hot Water Generator

Operator’s Manual Heater Module

MODELS:

NG-3000

1.103-901.0

For the Landa Dealer nearest

you, consult our web page at

www.landa.com

2 Landa NG 3000 Operator’s Manual 8.913-942.0 - E

Machine Data Label

Table of Contents

Machine Data Label . . . . . . . . . . . . . . . . . . . . . . . . . .2

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

How To Use This Manual . . . . . . . . . . . . . . . . . . . . . 4

Safety

Introduction & Safety Information . . . . . . . . . . . . . . . 5

Important Safety Information. . . . . . . . . . . . . . . . . . .5

Operations

Component Identification . . . . . . . . . . . . . . . . . . . . . 9

Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Operation Instruction. . . . . . . . . . . . . . . . . . . . . . . .16

General Cleaning Techniques . . . . . . . . . . . . . . . .17

Shutdown Instructions. . . . . . . . . . . . . . . . . . . . . . .18

Maintenance

Preventative Maintenance . . . . . . . . . . . . . . . . . . .19

Winterizing Procedure. . . . . . . . . . . . . . . . . . . . . . .19

High Limit Hot Water Thermostat . . . . . . . . . . . . . . 19

Heating Coils. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Gas Valve Regulator. . . . . . . . . . . . . . . . . . . . . . . .20

Electrode Adjustment . . . . . . . . . . . . . . . . . . . . . . .20

Pilot Burner Adjustment . . . . . . . . . . . . . . . . . . . . .20

Pressure Relief Valve . . . . . . . . . . . . . . . . . . . . . . .20

Propane Gas

(Optional Conversion Kit) . . . . . . . . . . . . . . . . . .20

General Safety Precautions . . . . . . . . . . . . . . . . . .20

Gas Pressure Requirements. . . . . . . . . . . . . . . . . .20

Propane Cylinder Capacity . . . . . . . . . . . . . . . . . . .21

Burner Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Burner Troubleshooting . . . . . . . . . . . . . . . . . . . . .22

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Parts

Landa NG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Landa NG 3000 Operator’s Manual 8.913-942.0 - E

How To Use This Manual

This manual contains the following sections:

• How to Use This Manual

• Safety

• Operations

• Maintenance

• Parts List

The HOW TO USE THIS MANUAL section will tell you

how to find important information for ordering correct

repair parts.

Parts may be ordered from authorized dealers. When

placing an order for parts, the machine model and

machine serial number are important. Refer to the

MACHINE DATA box which is filled out during the

installation of your machine. The MACHINE DATA box

is located on the inside of the front cover of this manual.

The model and serial number of your machine is

located on the back of the machine.

The SAFETY section contains important information

regarding hazardous or unsafe practices of the

machine. Levels of hazards are identified that could

result in product damage, personal injury, or severe

injury resulting in death.

The OPERATIONS section is to familiarize the operator

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 general

order:

• Winterizing Procedure

• High Limit Hot Water Thermostat

• Heating Coils

• Gas Valve Regulator

• Electrode Adjustment

• Pilot Burner Adjustment

• Pressure Relief Valve

• Propane Gas (Optional Conversion Kit)

• General Safety Precautions

• Gas Pressure Requirements

• Propane Cylinder Capacity

• Burner Features

• Burner Troubleshooting

• Troubleshooting

The PARTS LIST section contains assembled parts

illustrations and corresponding parts list. The parts lists

include a number of columns of information:

•REF – column refers to the reference number

on the parts illustration.

•PART NO. – column lists the part number for

the part.

•QTY – column lists the quantity of the part used

in that area of the machine.

•DESCRIPTION – column is a brief description

of the part.

•NOTES – column for information not noted by

the other columns.

NOTE: If a service or option kit is installed on your

machine, be sure to keep the 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.

Model:

Date of Purchase:

Serial Number:

Dealer:

Address:

Phone Number:

Sales Representative:

Landa NG 3000 Operator’s Manual 8.913-942.0 - E

Safety

Introduction & Safety Information

Thank you for purchasing a Landa Heater Module.

This manual covers the operation and maintenance of

the NG-3000 heater module. All information in this

manual is based on the latest product information

available at the time of printing.

Landa, Inc. reserves the right to make changes at any

time without incurring any obligation.

Owner/User Responsibility:

The owner and/or user must have an understanding of

the manufacturer’s operating instructions and warnings

before using this 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 with the

operator in the operator’s native language by the

purchaser/owner, making sure that the operator

comprehends its contents.

Owner and/or user must study and maintain for future

reference the manufacturers’ instructions.

The operator must know how to stop the machine

quickly and understand the operation of all controls.

Never permit anyone to operate the engine without

proper instructions.

SAVE THESE INSTRUCTIONS

This manual should be considered a permanent part of

the machine and should remain with it if machine is

resold.

When ordering parts, please specify model and

serial number. Use only identical replacement parts.

This machine is to be used only by trained

operators.

Important Safety Information

NOTE: This heater module NG-3000 is designed

for connection to a pressure washer (not

included). Read and follow WARNING and

operating instructions of pressure washer

connected to model NG-3000.

WARNING: To reduce the risk of

injury, read operating instructions

carefully before using.

AVERTISSEMENT: Pour réduire le

risque de blessures, lire attentive-

ment les instructions de

fonctionnement avant l'utilisation.

1. Read the owner's manual thor-

oughly. Failure to follow instruc-

tions could cause malfunction of the machine and

result in death, serious bodily injury and/or property

damage.

2. Know how to stop the machine and bleed pressure

quickly. Be thoroughly familiar with the controls.

3. Stay alert — watch what you are doing.

4. Do not replace LP tank while machine is running.

5. All installations must comply with local codes.

Contact your electrician, plumber, utility company

or the selling dealer for specific details. If your

machine is rated 250 volts or less, single phase a

ground fault circuit interrupter (GFCI) will be

provided. If rated more than 250 volts, or more

than single phase this product should only be

connected to a power supply protected by a GFCI.

Landa NG 3000 Operator’s Manual 8.913-942.0 - E

WARNING

READ OPERATOR’S

MANUAL THOROUGHLY

PRIOR TO USE.

OPERATIONS

SAFETY

MAINTENANCE

Safety

WARNING: Must be plugged into properly wired

three hole grounded outlet that accommodates

plug on power cord. Failure to comply could result

in electrical shock.

AVERTISSEMENT: Doit être raccordé dans une

sortie à trois trous mise à la masse et correctement

câblée qui peut accueillir une fiche sur un cordon

d'alimentation. Le non-respect de cette consigne

pourrait causer un choc électrique.

DANGER: Improper connection of the equipment-

grounding conductor can result in a risk of electro-

cution. Check with a qualified electrician or service

personnel if you are in doubt as to whether the

outlet is properly grounded. Do not modify the plug

provided with the product - if it will not fit the outlet,

have a proper outlet installed by a qualified electri-

cian. Do not use any type of adapter with this

product.

DANGER: Une mauvaise connexion du conducteur

de terre de l'équipement peut entraîner un risque

d'électrocution. Vérifier auprès d'un électricien

qualifié ou du personnel d'entretien si vous avez

des doutes quant à savoir si lasortie est correcte-

ment mise à la masse. NE PAS modifier la fiche

fournie avec le produit - si elle n'entre pas dans la

sortie, faire installer une sortie appropriée par un

électricien qualifié.

WARNING: Keep wand, hose, and

water spray away from electric

wiring or fatal electric shock may

result.

AVERTISSEMENT: Garder la lance,

le boyau et le jet d'eau à l'écart de

tout câblage électrique ou des

chocs électriques mortels pour-

raient survenir. Lire l'étiquette

d'avertissement sur le cordon élec-

trique

6. To protect the operator from electrical shock, the

machine must be electrically grounded. It is the

responsibility of the owner to connect this machine

to a UL grounded receptacle of proper voltage and

amperage ratings. 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.

WARNING: Flammable liquids can create fumes

which can ignite, causing property damage or

severe injury.

AVERTISSEMENT: Des liquides inflammables

peuvent produire des vapeurs qui peuvent

s'enflammer, causant ainsi des dommages à la

propriété ou des blessures graves.

WARNING: Risk of explosion —

Operate only where open flame or

torch is permitted.

AVERTISSEMENT: Risque d'explo-

sion - Utiliser uniquement dans

des endroits où l'utilisation d'une

flamme nue ou d'une torche est

permise.

WARNING: Risk of fire — Do not

change tanks when the product is

operating or still hot.

AVERTISSEMENT: Risque

d'incendie - Ne pas changer les

réservoirs pendant que le produit

est en marche ou encore chaud

WARNING: Use vapor fuel only.

AVERTISSEMENT: Utiliser des vapeurs de

carburant seulement

7. Oil burning appliances shall be installed only in

locations where combustible dusts and flammable

gases or vapors are not present. Do not store or

use gasoline near this machine.

8. Keep operating area clear of all persons.

WARNING: High pressure spray

can cause paint chips or other

particles to become airborne and

fly at high speeds. To avoid

personal injury, eye, face, hand

and foot safety devices must be

worn.

AVERTISSEMENT: Un jet haute

pression peut écailler la peinture

ou provoquer l'émission d'autres

particules dans l'air et leur projection à hautes

vitesses. Pour éviter les lésions corporelles, une

protection des yeux, du visage, des mains et des

pieds doit être portée lors de l'utilisation de cet

équipement

9. Always wear properly rated eye protection such as

safety goggles or face shield while spraying.

(Safety glasses do not provide full protection.)

Landa NG 3000 Operator’s Manual 8.913-942.0 - E

KEEP WATER

SPRAY AWAY FROM

ELECTRICAL WIRING.

WARNING

RISK OF EXPLOSION:

IF GAS SMELL

PRESENT TURN OFF

SUPPLY

WARNING

USE PROTECTIVE

EYE WEAR

AND CLOTHING

WHEN OPERATING

THIS EQUIPMENT.

WARNING

RISK OF FIRE.

DO NOT ADD FUEL

WHEN OPERATING

MACHINE.

Safety

WARNING: Pressure washer

connected to the NG-3000 may

exceeds 85 db appropriate ear

protection must be worn.

AVERTISSEMENT: La laveuse à

pression connectée au NG-3000

peut excéder 85 dB; une

protection de l'ouïe appropriée

doit être portée.

CAUTION: Hot discharge fluid. Do

not touch or direct discharge

stream at persons or animals or

severe injury or death will result.

ATTENTION: Liquide de décharge

chaud. Ne pas toucher ou

décharger directement le jet vers

des personnes ou des animaux,

car cela risquerait de causer des

blessures graves ou même la mort.

WARNING: This machine produces hot water and

must have insulated components attached to

protect the operator.

AVERTISSEMENT: Cette machine produit de l'eau

chaude et doit comporter des composants isolés

attachés pour protéger l'opérateur

WARNING: Risk of injury. Hot

surfaces can cause burns. Use

only designated gripping areas of

spray gun and wand. Do not place

hands or feet on non-insulated

areas of the pressure washer.

AVERTISSEMENT: Risque de

blessures. Les surfaces chaudes

peuvent causer des brûlures.

Utiliser uniquement les zones de prise désignées

du pistolet pulvérisateur et de la lance. Ne pas

placer les mains ou les pieds sur des endroits non

isolés de la laveuse à pression.

10. To reduce the risk of injury, close supervision is

necessary when a machine is used near children.

Do not allow children to operate the pressure

washer. This machine must be attended during

operation. Stay alert - watch what you are

doing. Keep operating area clear of all persons.

WARNING: Grip cleaning wand

securely with both hands before

starting. Failure to do this could

result in injury from a whipping

wand.

AVERTISSEMENT: Agripper la

lance de nettoyage avec les deux

mains avant de commencer. Le

non-respect de cette consigne

pourrait mener à des blessures

causées par le mouvement violent de la lance

11. Never make adjustments on machine while in

operation.

12. Be certain all quick coupler fittings are secured

before using pressure washer.

WARNING: High pressure

developed from the pressure

washer connected to the NG-3000

will cause personal injury or

equipment damage. Keep clear of

nozzle. Use caution when oper-

ating. Do not direct discharge

stream at people or animals, or

severe injury or death will result.

AVERTISSEMENT: La haute

pression générée par la laveuse à pression

raccordée au NG-3000 causera des lésions

corporelles ou des dommages à l'équipement. Se

tenir à l'écart de la buse. Faire preuve de prudence

lors de l'utilisation Ne pas décharger directement

le jet vers des personnes ou des animaux, car cela

risquerait de causer des blessures graves ou

même la mort

WARNING: Protect machine from

freezing.

AVERTISSEMENT: Protéger la

machine contre le gel.

13. To keep machine in best

operating conditions, it is

important you protect machine

from freezing. Failure to protect

machine from freezing could

cause malfunction of the machine and result in

death, serious bodily injury, and/or property

damage. Follow storage instructions specified in

this manual.

14. Inlet water must be clean fresh water and no hotter

then 90°F.

Landa NG 3000 Operator’s Manual 8.913-942.0 - E

WARNING

RISK OF INJURY.

HOT SURFACES

CAN CAUSE BURNS

WARNING

TRIGGER GUN KICKS

BACK — HOLD WITH

BOTH HANDS

WARNING

RISK OF INJECTION

OR SEVERE INJURY

TO PERSONS. KEEP

CLEAR OF NOZZLE.

WARNING

PROCTECT FROM

FREEZING

CAUTION

HOT DISCHARGE FLUID:

DO NOT TOUCH OR

DIRECT DISCHARGE

STEAM AT PERSONS.

WARNING

EAR PROTECTION

MUST BE WORN

Safety

DANGER: Risk of asphyxiation.

Use this product only in a well

ventilated area.

DANGER: Risque d'asphyxie.

Utiliser ce produit uniquement

dans un endroit bien ventilé.

15. Avoid installing machines in

small areas or near exhaust

fans. Adequate oxygen is

needed for combustion or dangerous carbon

monoxide will result.

16. Manufacturer will not be liable for any changes

made to our standard machines or any compo-

nents not purchased from us.

17. The best insurance against an accident is precau-

tion and knowledge of the machine.

WARNING: Be extremely careful

when using a ladder, scaffolding

or any other relatively unstable

location. The cleaning area should

have adequate slopes and

drainage to reduce the possibility

of a fall due to slippery surfaces.

AVERTISSEMENT: Faire preuve

d'une extrême prudence au

moment d'utiliser une échelle, des

échafaudages ou toute autre surface relativement

instable. La zone de nettoyage doit avoir une pente

et un drainage adéquats pour réduire la possibilité

d'une chute due à une surface glissante

18. Do not overreach or stand on unstable support.

Keep good footing and balance at all times

19. Do not operate this machine when fatigued or

under the influence of alcohol, prescription medica-

tions, or drugs.

20. Do not replace LP tank while machine is running.

Serious injury could result.

WARNING: Use vapor fuel only.

AVERTISSEMENT: Utiliser des vapeurs de

carburant seulement

21. The LP models are designed to run on vapor

propane fuel. Do not use liquid fuel. Have a

qualified serviceman install and service your equip-

ment.

22. Never expose a spark or flame where there may be

unburned gas present.

CAUTION: This product incorporates parts that

produce sparks and therefore when located in a

garage, it should be in a room or enclosure

provided for the purpose, or should be 18” or more

above the floor. Install on noncombustible flooring

and have a 36” minimum working clearance.

ATTENTION: Cet équipement comprend des pièces

qui produisent des étincelles et, par conséquent,

lorsque l'appareil se trouve dans un garage, il

devrait se trouver dans une pièce ou une enceinte

prévue à cet effet ou devrait être installé à XX cm

(XX po) ou plus du sol

23. When making repairs disconnect from electrical

source and shut off gas valve.

24. Install this machine on non combustible flooring.

25. Do not allow acids, caustic or abrasive fluids to

pass through the pump.

26. Never run pump dry or leave spray gun closed

longer than 1-2 minutes.

WARNING: If connection is made

to potable water supply, the

system shall be protected against

back flow.

AVERTISSEMENT: Si une

connexion est établie avec un

approvisionnement en eau

potable, un dispositif de

protection contre le retour d'eau

doit être fourni.

WARNING: Do not spray machine

or any people, animals or electrical

parts.

AVERTISSEMENT: Ne pas

vaporiser sur la machine ou les

gens, les animaux ou les pièces

électriques

Follow the maintenance instructions

specified in the manual.

Example Of Down Draft Diverter

For Gas Fired Machines

Landa NG 3000 Operator’s Manual 8.913-942.0 - E

WARNING

DO NOT SPRAY

MACHINE OR ANY

PEOPLE, ANIMALS OR

ELECTRICAL PARTS.

WARNING

IF CONNECTED

TO A POTABLE

WATER SUPPLY,

PROTECT AGAINST

BACKFLOW.

WARNING

RISK OF INJURY

FROM FALLS WHEN

USING LADDER.

DANGER

RISK OF

ASPHYXIATION.

USE THIS PRODUCT

ONLY IN A WELL

VENTILATED AREA.

Operations

Component Identification

Landa NG 3000 Operator’s Manual 8.913-942.0 - E

Inlet GHF

Connector

Gas Line

Connection

Discharge

Coupling

High Pressure Nozzle

(not included)

Electric Cold Water

Pressure Washer

(not included)

Vent according to

local codes

(not included)

Burner

Switch

Spray Gun

(not included)

High Pressure Hose

(Not included)

Use with Electric Cold

Water Pressure Washer

ONLY

Flow

Switch

9 ft. High

Pressure Hose

(from Pressure

Washer)

Inlet

Connector

9 ft. High

Pressure Hose

Operations

Installation

Place machine in a convenient location providing

ample support, drainage and room for maintenance.

Location

The location should protect the machine from

damaging environmental conditions, such as wind, rain

and freezing.

1. The cleaner should be run on a level surface where

it is not readily influenced by outside sources such

as strong winds, freezing temperatures, rain, etc.

The machine should be located considering acces-

sibility for the replacing of components, adjust-

ments and maintenance. Normal precautions

should be taken by the operator to prevent excess

moisture from reaching this power machine or

electrical controls.

2. It is recommended that a partition be made

between the wash area and the NG to prevent

direct spray from the spray gun from coming in

contact with the NG. Excess moisture reaching the

NG’s gas valve will reduce the life of the gas valve

and may cause electrical shorts.

3. During installation, beware of poorly ventilated

locations or areas where exhaust fans may cause

an insufficient supply of oxygen. Sufficient combus-

tion can only be obtained when there is a sufficient

supply of oxygen available for the amount of fuel

being burned. If it is necessary to install this

machine in a poorly ventilated area, outside fresh

air may have to be piped to the burner and a fan

installed to bring air into the machine.

4. Do not locate near any combustible material. Keep

all flammable material at least 20 feet away. Allow

enough space for servicing. Local code will require

certain distances from floor and walls. (Two feet

away should be adequate).

WARNING: Avoid small areas or near exhaust fans.

AVERTISSEMENT: Éviter les petites superficies ou

les surfaces à proximité des ventilateurs

d'extraction.

Gas Codes

Confer with local gas company and with proper

municipal officials regarding any specific code or regu-

lations governing the installation. The installation must

conform to local codes.

The gas pressure coming out of the regulator and going

to the burner ring has been factory set for elevations of

0 to 2000 ft. Altitudes greater than 2000 ft will require

adjustments to the gas manifold pressures. Consult

your local service dealer for high altitude adjustments.

In Canada, certification for installation at altitudes over

4500 feet above sea level is the jurisdiction of local

authorities. You should not readjust the burner ring gas

pressure. If you replace your gas valve, you will need to

adjust the new valve. Refer to your machine’s specifi-

cation plate for the correct pressure setting. Follow the

installation and adjustment instructions provided with

your replacement valve.

NOTE: Air for combustion and ventilation along with

exhaust flue sizing must conform to methods outlined in

current American Standard (ANSI-Z223.1) National

Fuel Gas Code or National Standard of Canada CSA-

149.1 and CSA-149.2 “Installation Code for Gas

Burning Appliances”.

Electrical

The heating module runs on a self-generating millivolt

thermopile and does not require electrical AC power.

The pressure washer you attach to this heating module

must be electrically grounded in accordance to local

codes. Check for proper power supply using a volt

meter; check the serial plate and specifications for the

correct requirements.

Gas Piping

All piping must comply with local codes and ordinances

of the National Fuel Gas Code: A sediment trap or drip

leg must be installed in the supply line to the burner.

A union shall be installed in the gas line adjacent to and

upstream from the control manifold and downstream

from the manual main shut-off valve.

Drip Leg

Landa NG 3000 Operator’s Manual 8.913-942.0 - E

Sediment trap (drip leg) must be

installed in the supply line

Drop

Gas Valve

Rise

1/4 in. Test Port

(6 in.-14 W.C. or 1/2 PSIG)

Horizontal

3 in. (76.2 mm)

MINIMUM

3 in. (76.2 mm)

MINIMUM

Gas

Valve

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