Remington REMJ70 User manual

PORTABLE

FORCED

AIR HEATERS

OWNER’S MANUAL

150 SIDE HANDLE PFA/PV 005

REMJ150

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.

REMJ70

102961

Safety Information.........................................................................2

Product Identiﬁcation .................................................................... 4

Unpacking......................................................................................5

Assembly .......................................................................................5

Theory of Operation ......................................................................6

Fuels ..............................................................................................6

Ventilation .....................................................................................7

Operation .......................................................................................7

Storing, Transporting, or Shipping ................................................8

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

Troubleshooting.............................................................................9

Service Procedures ........................................................................ 10

Upper Shell Removal ..............................................................10

Fuel Filter (REMJ70) ..............................................................10

Fuel Filter (REMJ150) ............................................................11

Spark Plug ............................................................................... 11

Air Output, Air Intake, and Lint Filters .................................. 12

Pump Pressure Adjustment .....................................................12

Nozzle .....................................................................................13

Pump Rotor .............................................................................14

Fan........................................................................................... 15

Speciﬁcations................................................................................. 15

Illustrated Parts Breakdown and Parts List ...................................16

REMJ70 ..................................................................................16

REM150 ..................................................................................18

Wheels and Handles................................................................ 20

Wiring Diagram.............................................................................21

Accessories ....................................................................................21

CONTENTS SECTION PAGE

IMPORTANT: Read this Owner’s Manual carefully and completely

before trying to assemble, operate, or service this heater. Improper

use of this heater can cause serious injury or death from burns, ﬁre,

explosion, electrical shock, and carbon monoxide poisoning.

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 serviced. 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 Warnings. Keep this manual for

reference. It is your guide to safe and proper operation of this heater.

WARNINGS

SAFETY

INFORMATION

DANGER

Carbon monoxide poisoning may lead to death!

102961

SAFETY

INFORMATION

Continued

WARNINGS

(Continued)

• Useonlykerosenetoavoidriskofﬁreorexplosion.Neverusegasoline,naphtha,paint

thinners, alcohol, or other highly ﬂammable fuels.

• Fueling

a) Personnel involved with fueling shall be qualified and thoroughly familiar with

the manufacturer's instructions and applicable federal, state, and local regula-

tions 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 returning the heater to service.

e) At no time shall more than one day's supply of heater fuel be stored inside a

building in the vicinity of the heater. Bulk fuel storage shall be outside the struc-

ture.

f) All fuel storage shall be located a minimum of 25 feet (762 cm) 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 penetra-

tions 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.

• Never use heater where gasoline, paint thinner, or other highly ﬂammable vapors are

present.

• Follow all ordinances and codes when using heater.

• Heaters used in the vicinity of tarpaulins, canvas, or similar enclosure materials

shall be located a safe distance from such materials. The recommended mini-

mum safe distance is 10 feet (305 cm). 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.

• Use only in well-vented areas. Before using heater, provide at least a three-square-

foot opening of fresh, outside air for each 100,000 Btu/Hr of rating.

• Use only in places free of ﬂammable vapors or high dust content.

• Use only the electrical voltage and frequency speciﬁed on model plate.

• Use only a grounded extension cord.

• Minimum heater clearances from combustibles:

Outlet: 8 Ft. (250 cm) Sides,Top, and Rear: 4 Ft. (125 cm)

• Locate heater on a stable and level surface if heater is hot or running or a ﬁre may

occur.

• When moving or storing heater, keep heater in a level position or fuel spillage may

occur.

• Keep children and animals away from heater.

• Unplug heater when not in use.

• When used with thermostat, heater may start anytime.

• Never use heater in living or sleeping areas.

• Never block air inlet (rear) or air outlet (front) of heater.

• Never move, handle, refuel, or service a hot, operating, or plugged-in heater.

• Never attach duct work to front or rear of heater.

102961

Side Cover

PRODUCT

IDENTIFICATION

Figure 1 - REMJ70

Fan Guard

Power Cord

Fuel Cap

Fan Guard

Hot Air Outlet

Upper Shell

Fuel Tank

Lower Shell

Fuel Gauge

Flame-Out Control

Reset Button

ON/OFF Switch

Fuel

Tank

Upper Shell

Hot Air

Outlet

Lower

Shell

Fuel Cap

Side Cover

ON/OFF Switch

Flame-Out Control

Reset Button

Power Cord

Fuel Gauge

Figure 2 - REMJ150

Air Filter

End Cover

102961

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.

ASSEMBLY These models are furnished with wheels and handles. Wheels, handles, and the

mounting hardware are found in the shipping carton.

Tools Needed

• Medium Phillips Screwdriver

• 3/8" Open or Adjustable Wrench

• Hammer

1. Slide axle through wheel support frame. Install wheels on axle.

IMPORTANT:

When installing wheels, point extended hub of wheels toward

wheel support frame (see Figure 3).

2. Place cap nuts on axle ends. Gently tap with hammer to secure.

3. Place heater on wheel support frame. Line up holes on fuel tank ﬂange with

holes on wheel support frame.

70 Model: Make sure hot air outlet end (front) of heater is over wheels.

150 Model: Make sure air inlet end (rear) of heater is over wheels.

4. Place handle or handles on top of fuel tank ﬂange. Insert screws through

handle(s), fuel tank ﬂange, and wheel support frame. Attach nut ﬁnger tight

after each screw is inserted.

5. After all screws are inserted, tighten nuts ﬁrmly.

Nut

Screw

Front

Handle

Cap Nut

Wheel

Axle Extended

Hub

Rear

Handle

Wheel

Support

Frame

Fuel Tank

Flange

Air

Inlet

Hot Air

Outlet Screw Handle

Air

Inlet

Fuel Tank

Flange

Wheel Support

Frame

Nut

Cap

Nut

Axle

Extended

Hub

Wheel

70 Model

150 Model

Figure 3 - Wheel and Handle Assembly

102961

THEORY OF

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

pushed through the burner head nozzle. This air causes fuel to lift from the tank. A

ﬁne mist of fuel is sprayed into the combustion 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 electronic ignitor sends voltage to the spark plug.

The spark plug ignites the fuel and air mixture.

The Flame-Out Control System: This system causes the heater to shut down

if the ﬂame goes out.

Fan

Fuel

Filter

Air For Fuel

System Air For Combustion

And Heating Fuel

Spark

Plug

Combustion

Chamber Intake

Air

Filter

Motor Air Pump

Air line

To Burner Electronic

Ignitor

Burner

Head

Clean

Heated

Air Out

Cool

Air

Output

Air

Filter

Nozzle

Fuel

Tank

FUELS

Figure 4 - Cross Section Operational View

WARNING

Use only kerosene or No. 1 fuel oil to avoid risk of ﬁre or

explosion. Never use gasoline, naphtha, paint thinners,

alcohol or other highly ﬂammable fuels.

Do not use heavy fuels such as No. 2 fuel oil or No. 2 Diesel. Using heavy fuels

will result in:

• clogged fuel ﬁlter and nozzle

• carbon build up on spark plug

• use of non-toxic anti-icer in fuel during very cold weather

IMPORTANT:

Use a KEROSENE ONLY container. Be sure storage container is

clean. Foreign matter such as rust, dirt, or water will cause the flame-out control to

shut down heater. Foreign matter may also require you to clean fuel system often.

102961

WARNING

Review and understand the warnings in the

Safety

Information Section

, page 3. They are needed to safely

operate this heater. Follow all local codes when using this

heater.

OPERATION

To Start Heater

1. Follow all ventilation and safety information.

2. Fill fuel tank with kerosene.

3. Attach fuel cap.

4. Plug power cord into grounded receptacle with 100 Volts, 50 or 60 Hz.

5. Turn ON/OFF switch to "ON".

Extension Cord Wire Size Requirements

Up to 100 feet (30.5 meters) long, use 16 AWG (1.0 mm2) conductor

101 to 200 feet (30.6 to 61 meters) long, use 14 AWG (1.5 mm2) conductor

If heater does not start, push in flame-out control reset button (see Figures 5

and 6).

Continued

Figure 5 - Flame-Out Control Reset

Button (REMJ70) Figure 6 - Flame-Out Control Reset

Button (REMJ150)

Flame-Out

Control

Reset

Button

Flame-

Out

Control

Reset

Button

Provide a fresh air opening of at least three square feet (2800 square cm) for each

100,000 Btu/Hr rating. Provide extra fresh air if more heaters are being used.

Example:

A 150,000 Btu/Hr heater requires one of the following:

• a two-car garage door (5 m wide opening) raised 8.6 cm.

• a single-car garage door (2.75 m wide opening) raised 15.3 cm.

• two, 76.2 cm wide windows raised 28 cm.

WARNING

Follow the minimum fresh, outside air ventilation

requirements. If proper fresh, outside air ventilation is not

provided, carbon monoxide poisoning can occur. Provide

proper fresh, outside air ventilation before running heater.

VENTILATION

102961

To Stop Heater

1. Turn ON/OFF switch to “OFF.”

2. Unplug power cord from outlet.

To Restart Heater

1. Wait 2 minutes after stopping heater.

2. Repeat steps under To Start Heater, page 7.

Note:

If shipping, transport companies require fuel tanks to be empty.

1. Drain fuel tank by removing drain plug on underside of fuel tank.

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. Replace drain plug. 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 summer months for use during next

heating season. Using old fuel could damage heater.

OPERATION

Continued

STORING,

TRANSPORTING,

OR SHIPPING

Item How Often How To

Fuel tank Flush every 150-200 hours See Storing, Transporting, or

of operation or as needed. Shipping, above.

Air output and Replace every 500 hours of See Air Output, Air Intake,

lint ﬁlters operation or once and Lint Filters, page 12.

a year.

Air intake Wash and dry with soap and See Air Output, Air Intake,

ﬁlter water every 500 hours of and Lint Filters, page 12.

operation or as needed.

Fuel ﬁlter Clean twice a heating season See Fuel Filter, pages 10

or as needed. and 11.

Spark plug Clean and regap every 600 See Spark Plug, page 11.

hours operation or replace

as needed.

Fan blades Clean every season or as needed. See Fan, page 15.

Motor Not required/permanently

lubricated

WARNING

Never service heater while it is plugged in, operating, or

hot. Severe burns and electrical shock can occur.

PREVENTATIVE

MAINTENANCE

SCHEDULE

102961

TROUBLE-

SHOOTING

OBSERVED FAULT POSSIBLE CAUSE REMEDY

Wrong pump pressure

Dirty air output, air intake,

and lint ﬁlters

Dirty fuel ﬁlter

Dirt in nozzle

Dirty photocell lens

Bad flame-out control

Heater ignites, but

flame-out control

shuts off heater after

a short period of time

See Pump Pressure

Adjustment, page 12.

See Air Output, Air Intake

and Lint Filters, page 12.

See Fuel Filter, pages 10

and 11.

See Nozzle, page 13.

Clean photocell lens.

Replace flame-out control.

Heater will not

ignite, but motor runs

for a short period of

time.

Wrong pump pressure

Carbon deposits on spark

plug and/or improper gap

Dirty fuel ﬁlter

Dirt in nozzle

Water in fuel tank

Electronic ignitor not

grounded (earthed)

Bad electronic ignitor

See Pump Pressure

Adjustment, page 12.

See Spark Plug, page 11.

See Fuel Filter, pages 10

and 11.

See Nozzle, page 13.

Drain and ﬂush fuel tank

with clean kerosene. See

Storing, Transporting, or

Shipping, page 8.

Make sure electronic

ignitor mounting is tight.

Replace electronic

ignitor.

Motor does not start

when heater is

plugged in, fan

rotates slowly or

does not turn.

ON/OFF switch in “OFF”

position

Flame-out control not reset

Binding pump rotor

Switch to “ON” position

Reset flame-out control

button, see Figures 5 and

6, page 7.

If fan is hard to turn, see

Pump Rotor, page 14.

WARNING

Never service heater while it is plugged in, operating, or hot.

Severe burns and electrical shock can occur.

WARNING: High voltage!

102961

SERVICE

PROCEDURES

Upper Shell Removal

1. Remove screws along each

side of heater using 5/16"

nut-driver. These screws

attach upper and lower

shells together.

2. Lift upper shell off.

3. Remove fan guard.

Figure 9 - Fuel Filter Removal (REMJ70)

Side Cover

Fuel Filter

(REMJ70)

1. Remove side cover screws

using 5/16" nut-driver.

2. Remove side cover.

3. Pull rubber fuel line off

fuel ﬁlter neck.

4. Carefully pry bushing and

fuel ﬁlter out of fuel tank.

5. Wash fuel ﬁlter with clean

fuel and replace in tank.

6. Attach rubber fuel line to

fuel ﬁlter neck.

7. Replace side cover.

Figure 7 - Upper Shell Removal (REMJ70)

WARNING

Never service heater while it is plugged in, operating, or

hot. Severe burns and electrical shock can occur.

Upper

Shell

Figure 8 - Upper Shell Removal (REMJ150)

Fan

Guard

Upper

Shell

Fuel Line

Fuel Filter

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