ESA 125T Bedienungsanleitung

PORTABLE FORCED AIR

HEATERS OWNER’S MANUAL

HEATER SIZES:

125,000, 170,000 AND 200,000 BTU/HR

KEROSENE/DIESEL HEATER WITH BUILT-IN THERMOSTAT

IMPORTANT: Read and understand this manual before

assembling, starting or servicing heater. Improper use

of heater can cause serious injury. Keep this manual for

future reference.

TABLE OF CONTENTS

Safety Information

.............................................2

Unpacking

.........................................................3

Fuels

.................................................................3

Product Identiﬁcation

........................................3

Theory of Operation

..........................................4

Ventilation

.........................................................4

Assembly

..........................................................4

Operation

..........................................................5

Operation with Portable Generator

...................7

Storing, Transporting or Shipping

.....................7

Preventative Maintenance Schedule...................8

Troubleshooting...................................................8

Service Procedures

.........................................10

Speciﬁcations

..................................................15

Wiring Diagrams

..............................................16

Technical Service

............................................17

Replacement Parts

..........................................17

Accessories

.....................................................17

Illustrated Parts Breakdown and Parts List

......18

Warranty and Repair Service

..........................28

Fill In For Your Records

Model No.

(Located on side panel)

Serial No.

(Located on fuel tank)

Date of Purchase:

Save this manual for future reference.

For more information, visit www.desatech.com

113170-01E

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SAFETY

INFORMATION

WARNING:Thisproductcon-

tainsand/orgenerateschemicals

known to the State of California

to cause cancer or birth defects

or other reproductive harm.

IMPORTANT: Read this owner’s

manual carefully and completely

beforetryingtoassemble,operate

or service this heater. Improper

useofthis heatercan cause seri-

ousinjuryordeathfromburns,ﬁre,

explosion, electrical shock and

carbonmonoxidepoisoning.

DANGER: Carbon monoxide

poisoning may lead to death!

Carbon Monoxide Poisoning: Early signs of

carbon monoxide poisoning resemble the ﬂu,

with headaches, dizziness and/or nausea. If you

have these signs, the heater may not be working

properly. Get fresh air at once! Have heater ser-

viced. Some people are more affected by carbon

monoxide than others. These include pregnant

women, persons with heart or lung disease or

anemia, those under the inﬂuence of alcohol and

those at high altitudes.

Make certain you read and understand all warn-

ings. Keep this manual for reference. It is your

guide to safe and proper operation of this heater.

1. Use only kerosene, #1/#2 diesel/fuel oil, JETA

or JP-8 fuels to avoid risk of ﬁre or explosion.

Never use gasoline, naphtha, paint thinners,

alcohol or other highly ﬂammable fuels.

2. Fueling

a) Personnel involved with fueling shall be

qualiﬁed and thoroughly familiar with the

manufacturer's instructions and applicable

regulations regarding the safe fueling of

heating units.

b) Only the type of fuel speciﬁed on the

heater's data plate shall be used.

c) All flame, including the pilot light, if

any, shall be extinguished and the heater

allowed to cool, prior to fueling.

d) During fueling, all fuel lines and fuel-line

connections shall be inspected for leaks.

Any leaks shall be repaired prior to

return- ing the heater to service.

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e) At no time shall more than one day's

sup- ply of heater fuel be stored inside

a build- ing in the vicinity of the

heater. Bulk fuel storage shall be

outside the structure.

f) All fuel storage shall be located a

mini- mum of 762 cm (25 feet) from

heaters, torches, welding equipment

and similar sources of ignition

(exception: the fuel reservoir integral

with the heater unit).

g) Whenever possible, fuel storage shall

be conﬁned to areas where ﬂoor

penetrations do not permit fuel to drip

onto or be ignited by a ﬁre at lower

elevation.

h) Fuel storage shall be in accordance

with the authority having jurisdiction.

3. Use only the electrical voltage and

frequency speciﬁed on model plate.

4. Heater must be grounded. Use only a

properly grounded three-wire extension

cord.Plug into grounded outlet only.

5. Use only in areas free of ﬂammable vapors

or high dust content.

6. Minimum clearance from any

combustible materials: 8 feet (244 cm)

from hot air outlet; 6 feet (183 cm) from

top; and 4 feet (120 cm) from sides and

inlet.

7. Locate heater on a stable and level

surface while hot or operating or a ﬁre

may occur.

8. Use only in well-vented areas. Before

using heater, provide at least a 2800 square

cm (three- square-foot) opening of fresh,

outside air for each 30 kw (100,000

Btu/Hr) of rating.

9. Keep children and animals away from

heater at all times.

10. Never start heater when combustion

chamber is hot or if fuel has accumulated in

combustion chamber.

11. When used with thermostat, heater may

start at anytime.

12. When heater is moved or stored, it must be

in a level position or fuel spillage may

occur.

13. Use heater only in accordance with

local ordinances and codes.

14. Never use gasoline, crankcase

drainings, naphtha, paint thinners, alcohol

orotherhighly ﬂammable fuels.

15. Never use heater where gasoline, paint

thinner or other highly ﬂammable vapors are

present.

16. Never use heater in living or sleeping areas.

17. Never leave a heater plugged in without adult

supervision if children or animals are likely to

be present.

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SAFETY INFORMATION

Continued

18. Never move, handle, refuel or service a hot,

operating or plugged-in heater.

19.

Never attach duct work to front or rear of heater.

20. Never attach heater to external fuel tank.

21. Heaters used in the vicinity of tarpaulins,

canvas or similar enclosure materials shall be

located a safe distance from such

materials. The recommended minimum safe

distance is

304.8 cm(10 feet). It is further recommended

that these enclosure materials be of a ﬁre

retardant nature. These enclosure materials

shall be securely fastened to prevent them

from igniting or from upsetting the heater due

to wind action.

22. Unplug heater when not in use.

23. Never block air inlet (rear) or air outlet (front)

of heater.

24. Warning to New York City Residents

For Use Only At Construction Sites in ac-

cordance with applicable NYC codes under

NYCFDcertiﬁcateofapproval#4803, #4899,

#4908, #4909 or #4934.

UNPACKING

1. Remove all packing items applied to heater

for shipment.

2. Remove all items from carton.

3. Check items for any shipping damage. If

heater is damaged, promptly inform dealer

where you bought heater.

FUELS

WARNING: Use only kero-

sene, #1/#2 diesel/fuel oil, JET

A or JP-8 fuels to avoid risk

of ﬁre or explosion. Never

use gasoline, oil drained from

crankcases, naphtha, paint

thinners,alcoholorotherhighly

ﬂammable fuels.

Use only kerosene, #1/#2 diesel/fuel oil, JET A

or JP-8 fuels. Heavier fuels such as No. 2 fuel

oil or No. 2 diesel fuel may also be used but will

result in:

•noticeable odor

•additional fuel ﬁlter maintenance

•theneedfornontoxic,anti-icer additivesinvery

cold weather

Do not use fuels heavier than No. 2 grade or

heavy oils such as oil drained from crankcases.

These heavy oils will not ignite properly and will

contaminate the heater.

IMPORTANT:Use a KEROSENE ONLY (blue)

or DIESEL ONLY (yellow) storage container.

Be sure storage container is clean. Foreign matter

such as rust, dirt or water will cause the ignition

control assembly to shut down heater. Foreign

matter may also require heater's fuel system to be

frequently cleaned.

PRODUCT IDENTIFICATION

Hot Air

Outlet

Lower

Shell

Upper Shell ON/OFF

Switch Thermostat

Knob

Fan

Handle

Fuel Cap/

Gauge Guard

Extension

Cord Wrap

Shroud

Control Cover

Ignition Control

Assembly (On

Inside of Control

Cover)

Fuel Tank

Rear Panel

Figure 1 - 125T, 170T and 200T Models

113170-01E

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THEORY OF OPERATION

The Fuel System: The air pump forces air through the air line. The air is then pushed through the

nozzle. This air causes fuel to be lifted from the tank. A ﬁne mist of fuel is sprayed into the combus-

tion chamber.

The Air System: The motor turns the fan. The fan pushes air into and around the combustion chamber.

This air is heated and provides a stream of clean, hot air.

The Ignition System: The ignition control assembly provides power to the ignitor. This ignites the

fuel/air mixture in the combustion chamber.

The Flame-Out Control System: This system causes the heater to shut down if the ﬂame goes out.

Combustion Chamber Ignitor

Clean

Heated

Air Out

Fan Motor Air Pump Air Intake

Filter Cool Air In

Air Output Filter

Fuel

Tank

Nozzle

Air For Fuel

System

Fuel

Filter

Air Line

To Burner

Air For

Combustion

And Heating

Ignition

Control

Assembly

Fuel

Figure 2 - Cross Section Operational View

VENTILATION

WARNING:Provideafreshair

opening of at least three square

feet (2,800 square cm) for each

100,000 BTU/HR rating. Provide

extra fresh air if more heaters

are being used. The minimum

ventilationrequirementsmustbe

followedtoavoidrisksassociated

withcarbonmonoxidepoisoning.

Make certain these requirements

aremet prior to operatingheater.

Example: A 58.6 kw (200,000 Btu/Hr) heater

requires one of the following:

•a two-car garage door [4.88 meter (16 feet)

opening] raised 12.7 cm (5 inches)

•a single-car garage door [2.74 meter (9 feet)

opening] raised 20.3 cm (8 inches)

•two,76.2 cm(30 inch) windows raised 38.1 cm

(15 inches)

ASSEMBLY

These models are furnished with wheels and a rear

handle. Wheels, handle and the mounting hardware

are found in the shipping carton.

Tools Needed

•Medium Phillips Screwdriver

•Rubber Mallet/Hammer

•Flat Blade Screwdriver

1. Slide axle through holes in shroud. Install

washers, wheel spacers and wheels on axle

as shown in Figure 3, page 5.

IMPORTANT: When installing wheels, point

extended hub of wheels toward shroud (see

Figure 3, page 5).

2. Place cap nuts on axle ends. Gently tap with

hammer to secure.

3. Install extension cord wraps into handle.

4. Slide handle onto shroud leaving a one inch

gap between parts.

5. Place washers onto screws and insert

screws into holes in handles.

6. Visually confirm that all six screws are

threaded into the shroud. Push the handle

completely into the shroud.

7. Tighten all screws.

113170-01E

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Hot Air Outlet

ASSEMBLY

Continued

Shroud

Axle Hole

Wheel

Spacer

Washer

Air Inlet Rear Panel

Handle

Washer

Extension

Cord Wrap

Wheel

Cap Nut

Axle

Extended Hub Screw

Figure 3 - Wheel and Handle Assembly

OPERATION

IMPORTANT:Reviewandunder-

standthewarningsintheSafety

Information section, page 2.

They are needed to safely oper-

ate this heater. Follow all local

ordinances and codes when

using this heater.

TO START HEATER

1. Follow all ventilation and safety information.

2. Locate heater to provide maximum circulation

of the heated air. Follow all location require-

ments noted in Safety Information, page 2.

3. Fill fuel tank with fuel. Use only kerosene,

#1/#2 diesel/fuel oil, JET A or JP-8 fuels to

avoid risk of ﬁre or explosion. Never use

gasoline, naphtha, paint thinners, alcohol or

other ﬂammable fuels.

4. Attach fuel cap/gauge.

5. Plug heaterʼs power cord into

approved, grounded, three-wire extension

cord. Extension cord must be at least six feet

(1.8 meters) long.

Extension Cord Size Requirement

6 to10 feet(1.8to 3 meters)long,use 18AWG

(0.75 mm2) rated cord

11 to 100 feet (3.3 to 30.5 meters) long, use

16 AWG (1.0 mm2) rated cord

101 to 200 feet (30.8 to 61 meters) long, use

14 AWG (1.5 mm2) rated cord

6. Plug extension cord into standard 120 volt/60

hertz, 3-prong grounded outlet.

7. Turn thermostat knob to the right (clockwise)

to the warmest position.

8. Push ON/OFF switch to the ON (|) position.

Lightwillcomeon.Note:Ignitorwill preheat

for ﬁve seconds, then heater will start.

9. Afterheater is running, adjust thermostat knob

to the desired setting. Note:Acold heater may

affectthe thermostat setting. This thermostat is

a general-heating control. It is not intended for

precise temperature control. Adjust thermostat

until heater cycles at the desired setting.

TO STOP HEATER

1. Push ON/OFF switch to the OFF (O) position.

2. Unplug heater.

TO RESET HEATER

1. Push ON/OFF switch to the OFF (O) position

and wait 10 seconds. (Wait two minutes if

heater has been running.)

2. Repeat steps under To Start Heater.

113170-01E

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OPERATION

Continued

RL, RE AND PKHD SERIES MODELS

ONLY

Temperature Display

These models are equipped with a digital tem-

perature display. The temperature being shown

represents the air nearest to the control cover. The

temperature of the air in surrounding areas may

be much different from the temperature being

displayed. The display may show [ - - ] when the

thermostat control or temperature sensor are dis-

connected from the ignition control or if they are

or damaged. If this occurs, the safety control will

continue to operate as before, however, the unit

will not cycle off during operation. See Figure 4.

Lighted ON/OFF

Switch Thermostat

Control

Temperature

Display

LED Indicator Lights

These modelsare equipped withLED lightsin order

to help monitor your heater and to help diagnose

any potential problems associated with your heater.

Make sure you have read all of the instructions and

see Troubleshooting, page 8, before attempting to

rectify any problems with your heater.

WARNING: Never service

heater while it is plugged in,

operating or hot. Severe burns

and electrical shock can occur.

LOGIC ENHANCED IGNITION

These models have an electronically controlled

ignition system that is able to detect problems

during startup and is able to apply an automatic

“choke” to increase the likelihood of ignition. If

the heater does not ignite within the ﬁrst second

the motor will slow down momentarily. If your

heater does not light after the ﬁrst “choke” it will

repeat once. If the heater does not ignite after the

second “choke” it will shutdown and remain in

shutdown mode until the unit is reset. Please refer

to Troubleshooting, page 8 in order to properly

diagnose the problem.

Figure 4 - Control Cover with

Temperature Display

Ignitor - indicates a problem with

the ignitor and can be caused by

a damaged or broken ignitor or an

ignitor that is wired incorrectly.

Flame - will illuminate after heater

is shut down due to problems

associated with the ﬂame or the

photocell that monitors the ﬂame.

2 5

Temperature

Temperatura

1 6

LO Thermostat

Termostato

112935-01

Temperature

Display

Voltage - monitors line voltage during

normal operation and indicates

improper line voltage. If line voltage

falls below 108V or above 132V the

heater will shut down.

Start/Run - blinks during

“preheat” for 10-15 seconds

before ignition and will stay on

during normal operation.

Figure 5 - LED Indicator Lights

113170-01E

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OPERATION WITH

PORTABLE GENERATOR

WARNING: Before operating

heater or any appliance from a

portable generator, verify that

generatorhasbeenproperlycon-

nectedtoearthground.Improper

grounding or failure to ground

generator can result in electro-

cution if a ground fault occurs.

Refertoowner’smanualsupplied

by generator manufacturer for

proper grounding procedures.

The operating voltage range of the heater is 108 to

132 Volts (120 Volts +/- 10%). Prior to plugging

heater into generator the output voltage should be

veriﬁed (if generator is equipped with theautomatic

idle feature, the output voltage should be measured

with the generator running at full speed). If the volt-

age does not measure in this range theheatershould

not be plugged into the generator.

Refer to Operation, page 5, for starting, stopping

and resetting heater procedures.

Alternator

STORING,

TRANSPORTING

OR SHIPPING

Note: If shipping, transport companies require

fuel tanks to be empty.

1. Remove drain plug from bottom side of fuel

tank and drain all fuel.

2. Replace drain plug.

3. If any debris is noted in old fuel, add 1 or 2

quarts of clean kerosene to tank, stir and drain

again. This will prevent excess debris from

clogging ﬁlters during future use.

4. Properly dispose of old and dirty fuel. Check

with local automotive service stations that

recycle oil.

5. If storing, store heater in dry place. Make sure

storage place is free of dust and corrosive

fumes.

IMPORTANT: Do not store kerosene over sum-

mer months for use during next heating season.

Using old fuel could damage heater.

Ground Lug

Copper

or Brass

Grounding

Point

Ground Wire (#10 AWG

- Stranded-Copper)

Figure 6 - Typical Generator Grounding

Method (Generator construction may

vary from that shown)

113170-01E

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PREVENTATIVE MAINTENANCE SCHEDULE

WARNING: Never service heaterwhile it is plugged in, operating

or hot. Severe burns and electrical shock can occur.

Item

Fuel tank

Air output and lint ﬁlters

Air intake ﬁlter

Fuel ﬁlter

Ignitor

Fan blades

How Often

Flushevery150-200hoursofoperation

or as needed

Replace every 500 hours of operation

or once a year

Washanddrywithsoapandwaterevery

500 hours of operation or as needed

Clean twice a heating season or as

needed

No maintenance required

Clean every season or as needed

How To

See Storing, Transporting, or

Shipping, page 7

See Air Output, Air Intake and

Lint Filters, page 10

See Air Output, Air Intake and

Lint Filters, page 10

See Fuel Filter, page 11

See Fan, page 10

Motor Not

required/permanently

lubricated

TROUBLESHOOTING

WARNING: Never service heaterwhile it is plugged in, operating

or hot. Severe burns and electrical shock can occur.

FAULT CONDITION

Motor does not start ﬁve seconds

after heater is plugged in

INDICATOR LIGHT

•Ignitor

POSSIBLE CAUSE

1. No power to heater

2. ON/OFF switch not in theON

(|) position

3. Thermostat setting is too low

REMEDY

1. Check circuit breaker in elec-

trical panel

2. VerifytheON/OFFswitchisin

ON (|) position and light is on

3. Turn thermostat knob to a

higher setting

WARNING: High voltage!

4. Bad electrical connection be-

tween motor and ignition con-

trol assemblyorignitioncontrol

assembly and power cord

5. Binding pump rotor

6. Blownfuseon ignitioncontrol

assembly

7. Defective ignition control

assembly

8. Defective motor

4. Check all electrical connec-

tions. See Wiring Diagrams,

page 16

5. If fan does not turn freely, see

Pump Rotor, page 14

6. SeeIgnitionControlAssembly,

page 14

7. Replace ignition control

assembly

8. Replace motor

113170-01E

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TROUBLESHOOTING

Continued

FAULT CONDITION

Motor starts and runs but heater

does not ignite

INDICATOR LIGHT

•Flame

POSSIBLE CAUSE

1. No fuel in tank

2. Pump pressure incorrect

3. Dirty fuel ﬁlter

4. Obstruction in nozzle

5. Water in fuel tank

REMEDY

1. Fill tank with kerosene

2. See Pump Pressure Adjust-

ment, page 10

3. See Fuel Filter, page 11

4. See Nozzle Assembly, page 12

5. Drain and ﬂush fuel tank with

clean kerosene. See Storing,

Transporting or Shipping,

page 7

WARNING: High voltage!

•Ignitor 6. Bad electrical connection 6. Check electrical connections.

between ignitor and ignition

control assembly

7. Defective ignitor

8. Defective ignition control

assembly

See Wiring Diagrams, page 16

7. Replace ignitor, see page 11

8. Replace ignition control

assembly

•Voltage 9. Line voltage is below 108V or 9. Check for proper line voltage

above 132v

Heaterignitesbutignitioncontrol

assembly shuts heater off after a

short period of time

INDICATOR LIGHT

•Flame

1. Pump pressure incorrect

1. See Pump Pressure Adjust-

ment, page 10

2. Dirty air intake, air output 2. See Air Output, Air Intake and

and/or lint ﬁlter

3. Dirty fuel ﬁlter

4. Obstruction in nozzle

Lint Filters, page 10

3. See Fuel Filter, page 11

4. See Nozzle Assembly, page 12

5. Photocellassemblynotproperly 5. Make sure photocell boot is

installed (not seeing the ﬂame)

6. Dirty photocell lens properly seated in bracket

6. Clean photocell lens

WARNING: High voltage!

•Voltage 7. Bad electrical connection be- 7. Check electrical connections.

tween photocell and ignition

control assembly

8. Defective photocell

9. Defective ignition control

assembly

See Wiring Diagrams, page 16

8. Replace photocell

9. Replace ignition control

assembly

10. Linevoltageis below108Vor 10.Check for proper line

voltage.

above 132v Disconnect power equipment

that may be used on same

line

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