Sunbelt SPL375000 Le manuel du propriétaire

OPERATOR’S MANUAL FOR

SH-375LP

SPAcE HEATER

120037-01

2 Operator’s Manual

Introduction

THANK YOU for purchasing this product.

READ THIS MANUAL carefully to learn how to operate

and service your machine correctly. Failure to do so

could result in personal injury or equipment damage.

This manual and safety signs on your machine may

also be available in other languages. (See your dealer

to order.)

THIS MANUAL SHOULD BE CONSIDERED a

permanent part of your machine and should remain

with the machine when you sell it.

MEASUREMENTS in this manual are given in both

metric and customary U.S. unit equivalents. Use only

correct replacement parts and fasteners. Metric and

inch fasteners may require a specic metric or inch

wrench.

The SERIAL NUMBER is located in the Specication

or Identication Numbers section. Accurately record all

the numbers to help in tracing the machine should it be

stolen. Your dealer also needs these numbers when you

order parts. File the identication numbers in a secure

place off the machine.

WARRANTY is provided from your dealer for customers

who operate and maintain their equipment as described

in this manual. The warranty is explained on the warranty

certicate shown in this manual.

This warranty provides you the assurance that your

dealer will back products where defects appear within the

warranty period. Should the equipment be abused, or

modied to change its performance beyond the original

factory specications, the warranty will become void.

GENERAL HAZARD WARNING:

FAILURE TO COMPLY WITH THE PRECAUTIONS

AND INSTRUCTIONS PROVIDED WITH THIS

HEATER, CAN RESULT IN DEATH, SERIOUS

BODILY INJURY AND PROPERTY LOSS

OR DAMAGE FROM HAZARDS OF FIRE,

EXPOSITION, BURN, ASPHYXIATION, AND/OR

CARBON MONOXIDE POISONING.

ONLY PERSONS WHO CAN UNDERSTAND AND

FOLLOW THE INSTRUCTIONS SHOULD USE

OR SERVICE THIS HEATER.

IF YOU NEED ASSISTANCE OR HEATER

INFORMATION SUCH AS AN INSTRUCTIONS

MANUAL, LABELS, ETC. CONTACT THE

MANUFACTURER.

WARNING: FIRE, BURN, INHALATION

AND EXPLOSION HAZARD. KEEP SOLID

COMBUSTIBLES, SUCH AS BUILDING

MATERIALS, PAPER OR CARDBOARD, A

SAFE DISTANCE AWAY FROM THE HEATER

AS RECOMMENDED BY THE INSTRUCTIONS

NEVER USE THE HEATER IN SPACES WHICH

DO OR MAY CONTAIN VOLATILE OR AIRBORNE

COMBUSTIBLES OR PRODUCTS SUCH AS

GASOLINE, SOLVENTS, PAINT THINNER, DUST

PARTICLES OR UNKNOWN CHEMICALS.

WA RNIN G : NOT F O R HOM E O R

RECREATIONAL VEHICLE USE.

The heater is designed for use as a construction heater in

accordance with ANSI Z83.7/CGA 2.14. Other standards

govern the use of fuel gases and heating products for

specic uses. Your local authority can advise you about

these. The primary purpose of construction heaters is to

provide temporary heating of buildings under construction,

alteration or repair. Properly used, the heater provides

safe economical heating. Products of combustion are

vented into the area being heated.

We cannot foresee every use which may be made of our

heaters. Check with your local re safety authority if

you have questions about heater use.

Other standards govern the use of fuel gases and

heat producing products for specic uses. Your local

authorities can advise you about these.

Propane gas is odorless. An odor-making agent is added

to propane gas. The odor helps you detect a propane

gas leak. However, the odor added to propane gas can

fade. Propane gas may be present even though no

odor exists.

Install and use heater with care. Follow all local

ordinances and codes. In the absence of local

ordinances and codes, refer to the Standard for Storage

and Handling of Liqueed Petroleum Gas, ANSI/NFPA

58 and the Propane Installation Code, CAN/CGA

B149.2. This instructs on the safe storage and handling

of propane gases.

Operator’s Manual 3

Contents

Page

Safety ........................................................................ 4

Controls ................................................................... 9

Preparation ............................................................... 10

Installation ................................................................ 12

Operation ................................................................ 13

Troubleshooting ..................................................... 14

Service .................................................................... 16

Storage .................................................................... 19

Specications ......................................................... 20

Wire Diagram ............................................................ 21

Warranty .................................................................. 22

Notes ......................................................................... 23

All information, illustrations and specications in this manual are based on the latest

information available at the time of publication. The right is reserved to make changes at any

time without notice.

4 Operator’s Manual

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Safety

RECOGNIZE SAFETY INFORMATION

This is the safety alert symbol. When you see this

symbol on your machine or in this manual, be alert to

the potential for personal injury.

Follow recommended precautions and safe operating

practices.

UNDERSTAND SIGNAL WORDS

A signal word--DANGER, WARNING or CAUTION--is

used with the safety-alert symbol. DANGER identies

the most serious hazards.

DANGER or WARNING safety signs are located near

specic hazards. General precautions are listed on

CAUTION safety signs. CAUTION also calls attention

to safety messages in this manual.

FOLLOW SAFETY INSTRUCTIONS

Carefully read all safety messages in this manual and on

your machine safety signs. Keep safety signs in good

condition. Replace missing or damaged safety signs.

Be sure new equipment components and repair parts

include the current safety signs. Replacement safety

signs are available from your dealer.

Read this owner’s manual carefully and completely before

trying to assemble, operate, or service this space heater.

Improper use of this space heater can cause serious injury

or death from burns, re, explosion, electrical shock, and

carbon monoxide poisoning.

Make certain you read and understand all warnings.

Keep this manual for reference. It is your guide to safe

and proper operation of this space heater.

If you do no understand any part of this manual and need

assistance, contact your dealer.

Operator’s Manual 5

CARBON MONOXIDE - POISONOUS GAS

DANGER: CARBON MONOXIDE POISONING MAY LEAD TO

DEATH!

Space heaters exhaust contains carbon monoxide - a poisonous gas

that can kill you. You CAN NOT smell or see this gas.

Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning

resemble the ﬂu, with headaches, dizziness, and/or nausea. If you have

these signs, the space heater may not be working properly. Get fresh air at

once! Have space 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.

Never use a space heater in enclosed or partially-enclosed spaces without

proper ventilation. Use only in well-vented areas. Before using space heater,

provide at least a three-square-foot (2800 square cm) opening of fresh,

outside air for each 100,000 Btu / Hr (30 kw) of rating. Space heaters can

produce high levels of carbon monoxide very quickly. When you use a space

heater, remember that you cannot smell or see carbon monoxide. Even if you

can’t smell exhaust fumes, you may still be exposed to carbon monoxide.

If you start to feel sick, dizzy, or weak while using a space heater, get to fresh

air RIGHT AWAY. DO NOT DELAY. The carbon monoxide from space heaters

can rapidly lead to full incapacitation and death.

If you experience serious symptoms, get medical attention immediately.

Inform medical staff that carbon monoxide poisoning is suspected. If you

experienced symptoms while indoors, have someone call the re department

to determine when it is safe to re-enter the building.

NEVER operate the space heater in an explosive atmosphere, near

combustible materials or where ventilation is not sufcient to carry away

exhaust fumes. Exhaust fumes can cause serious injury or death.

NEVER run space heaters inside homes, garages, sheds, or other semi-

enclosed spaces without proper ventilation. These spaces can trap poisonous

gases EVEN IF you run a fan or open doors and windows. Use only in well-

vented areas. Before using space heater, provide at least a three-square-foot

(2800 square cm) opening of fresh, outside air for each 100,000 Btu / Hr (30

kw) of rating.

If you start to feel sick, dizzy, or weak while using the space heater, shut

if off and get fresh air RIGHT AWAY. See a doctor. You may have carbon

monoxide poisoning.

Install battery-operated carbon monoxide alarms or plug-in carbon monoxide

alarms with battery back-up in your home, according to the manufacturer’s

installation instructions. The carbon monoxide alarms should be certied to

the requirements of the latest safety standards for carbon monoxide alarms.

(UL 2034, IAS 6-96, or CSA 6.19.01).

Test your carbon monoxide alarm frequently and replace dead batteries.

6 Operator’s Manual

ELECTRICAL HAZARDS

DANGER- IMPROPER CONNECTION OF THE EQUIPMENT-

GROUNDING CONDUCTOR CAN RESULT IN A RISK OF

ELECTROCUTION. CHECK WITH A QUALIFIED

ELECTRICIAN OR SERVICE PERSON IF YOU ARE IN

DOUBT AS TO WHETHER THE UNIT IS PROPERLY

GROUNDED.

Use only the electrical voltage and frequency specied on model

plate. The electrical connections and grounding of the heater shall

follow the National Electric Code, ANSI/NFPA 70 or the Canadian

Electrical Code, Part 1.

Space heater must be grounded. Use only a properly grounded

three-wire extension cord. Plug into grounded outlet only. If it should

malfunction or breakdown, grounding provides a path of least

resistance for electric current to reduce the risk of electric shock.

The space heater is a potential source of electrical shock if not

kept dry. Keep the space heater dry and do not use in rain or wet

conditions. To protect from moisture, operate it on a dry surface

under an open, canopy-like structure. Dry your hands if wet before

touching the space heater.

Check that the entire cord is free of cuts or tears and that the plug

has all three prongs, especially a grounding pin.

IMPORTANT SAFETY INSTRUCTIONS

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.

1. Use only in areas free of flammable vapors or high dust

content.

2. Minimum heater clearances from combustible materials: Outlet:

8 Ft. (2.44 m), Sides: 2 Ft. (60.96 cm), Top: 6 Ft. (1.83 m), Rear:

2 Ft. (60.96 cm).

3. Locate space heater on a stable and level surface while hot or

operating or a re may occur.

4. Use only in well-vented areas. Before using space heater, provide

at least a three-square-foot (2800 square cm) opening of fresh,

outside air for each 100,000 Btu / Hr (30 kw) of rating.

5. Keep children and animals away from space heater at all times.

6. Use space heater only in accordance with local ordinances and

codes.

7. Keep space heater area clear and free from combustible materials,

gasoline, paint thinner and other ﬂammable vapors and liquids.

8. Never use space heater in living or sleeping areas.

9. Never leave a space heater plugged in without adult supervision

if children or animals are likely to be present. Do not leave heater

unattended.

10. Never move, handle or service a hot or operating heater. Severe

burns may result. You must wait 15 minutes after turning heater

off.

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Operator’s Manual 7

IMPORTANT SAFETY INSTRUCTIONS

11. Never attach duct work to front or rear of space heater.

12. Space 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

10 feet (304.8cm). It is further recommended that these enclosure

materials be of a re retardant nature. These enclosure materials

shall be securely fastened to prevent them from igniting or from

upsetting the space heater due to wind action.

13. Unplug space heater when not in use.

14. This product has been approved for use in the Commonwealth

of Massachusetts.

15. Use only the hose and factory preset regulator provided with

the heater.

16. Use only propane gas set up for vapor withdrawal.

17. For indoor use only. Do not use heater outdoors.

18. Do not use heater in basement or below ground level. Propane

gas is heavier than air. If a leak occurs, propane gas will sink

to the lowest possible level.

19. Keep heater at least six feet from propane tank(s). Do

not point heater at propane tank(s) within 20 feet.

20. Keep propane tank(s) below 100° F (37.8° C).

21. Check heater for damage before each use. Do not use

a damaged heater.

22. Check hose before each use of heater. If highly worn or

cut, replace with hose specied by manufacturer before using

heater.

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

24. Keep heater away from strong drafts, wind, water spray, rain

or dripping water.

25. To prevent injury, wear gloves when handling heater.

26. Do not alter heater. Keep heater in its original state.

27. Do not use heater if altered.

28. Turn off propane supply to heater when not in use.

29. Use only original replacement parts. This heater must

use design-specic parts. Do not substitute or use generic parts.

Improper replacement parts could cause serious or fatal

injuries.

30. This heater is equipped with a thermostat. Heater may start at

anytime!

31. Do not adjust regulator below 7 PSIG or above 20 PSIG.

SAVE THESE INSTRUCTIONS

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8 Operator’s Manual

WEAR PROTECTIVE CLOTHING

Wear close tting clothing and safety equipment appropriate

to the job.

Wear a suitable hearing protective device such as

earmuffs or earplugs to protect against objectionable or

uncomfortable loud noises.

Operating equipment safely requires the full attention of

the operator. Do not wear radio or music headphones while

operating machine.

INSPECT SPACE HEATER

Be sure all covers, guards and shields are tight and in

place.

Locate all operating controls and safety labels.

Inspect power cord for damage before using. There is a

hazard of electrical shock from crushing, cutting or heat

damage.

Remove all packing items applied to space heater for

shipment. Remove all items from carton. Check items for

any shipping damage. If space heater is damaged, promptly

inform dealer where you bought space heater.

PREPARE FOR EMERGENCIES

Keep a rst aid kit and re extinguisher handy.

Keep emergency numbers for doctors, ambulance service,

hospital and re department near your telephone.

Be prepared if a re starts.

SERVICE SPACE HEATER SAFELY

Before servicing the space heater, disconnect all equipment

and battery (if equipped) and allow unit to cool down.

Service space heater in a clean dry ﬂat area.

Operator’s Manual 9

Controls

A -- Hot Air Outlet (Front)

B -- Handle

C -- Fan Guard

D -- Power Cord

E -- Hose / Regulator Assembly

F -- Inlet Connector

CONTROLS

SH-375LP

G -- On / Off Switch

H -- Outer Shell

I -- Thermostat Knob

REAR VIEW

A

B

C

D

E

F

G

H

I

10 Operator’s Manual

Preparation

VENTILATION

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.

Provide a fresh air opening of at least three square feet for

each 100,000 Btu/Hr rating. Provide extra fresh air if more

heaters are being used.

PROPANE SUPPLY

Propane / L.P. gas and Propane / L.P. tank(s) are to be

furnished by the user.

Use this heater only with a propane vapor withdrawal

supply system. See Chapter 5 of the Standard for Storage

and Handling of Liqueed Petroleum Gas, ANSI/NFPA 58

and the Propane Installation Code CAN/CGA B149.2. Your

local library or re department will have this booklet.

The amount of Propane / L.P. gas ready for use from

Propane / L.P. tanks varies. Two factors decide this amount:

1. The amount of Propane / L.P. gas in tank(s)

2. The temperature of tank(s)

The chart below shows the number of 100 pound (45

kg) tanks needed to run this heater. Do not operate this

product with any tanks smaller than 100 pounds.

Less gas is vaporized at lower temperatures. You may

need two or more 100 pound (45 kg) tanks or one larger

tank in colder weather. Your local propane gas dealer will

help you select the proper supply system. The minimum

surrounding air temperature rating for each heater is

-20° F (-29° C).

Temperature at Tank # of Tanks

40°F (5°C) and above 3

Below 40°F (5°C)

(Use larger tank)

Preparation

Operator’s Manual 11

THEORY OF OPERATION

The Fuel System: The hose / regulator assembly attaches to the propane gas supply. The propane gas moves

through the solenoid valve and out the nozzle.

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 direct spark ignitor (DSI) sends voltage to the ignitor. The ignitor ignites the fuel and

air mixture.

The Safety Control System: This system causes the heater to shut down if the ﬂame goes out. The motor will

continue to run, but no heat is produced.

Air For Combustion Air For Heating

Cool

Air In

(Back)

Motor

Nozzle

Power Cord

Hose/

Regulator

Assembly

Solenoid Valve

Ignitor

Combustion Chamber

DSI

Fan

Clean

Heated

Air Out

(Front)

12 Operator’s Manual

Installation

INSTALLATION

IMPORTANT: Review and understand the warnings in

the Safety Information section. They are needed to safely

operate this space heater. Follow all local ordinances and

codes when using this space heater.

WARNING: TEST ALL GAS PIPING AND

CONNECTIONS FOR LEAKS AFTER

INSTALLING OR SERVICING. NEVER

USE AN OPEN FLAME TO CHECK FOR

A LEAK. APPLY A MIXTURE OF LIQUID

SOAP AND WATER TO ALL JOINTS.

BUBBLES FORMING SHOW A LEAK.

CORRECT ALL LEAKS AT ONCE.

1. Provide Propane / L.P. supply system (see Propane / L.P.

Supply section).

2. Connect POL tting on hose / regulator assembly to

Propane / L.P. tank(s). Turn POL tting counterclockwise

into threads on tank. Tighten rmly using wrench.

IMPORTANT: Tighten regulator with black adjustment

knob pointing down. Pointing adjustment knob down

protects regulator from weather damage.

3. Connect hose to inlet connector. Tighten rmly using a

wrench. (Fig. 2)

IMPORTANT: Extra hose or piping may be used if needed.

Install extra hose or piping between hose/regulator

assembly and Propane / L.P. tank. You must use the

regulator supplied with heater.

4. Open propane supply valve on Propane / L.P. tank(s)

slowly.

Note: If not opened slowly, excess-ow check valve on

Propane / L.P. tank will stop gas ow. If this happens,

you may hear a click inside the regulator assembly. To

reset the excess ow check valve, close Propane / L.P.

supply valve and open again slowly.

5. Adjust regulator between 7 and 20 PSIG.

Note: Higher regulator setting will allow heater to produce

more heat.

6. Check all connections for leaks.

7. Close Propane / L.P. supply valve.

WARNING: DO NOT ADJUST REGULATOR

BELOW 7 PSIG OR ABOVE 20 PSIG.

HEATER MAY NOT RUN PROPERLY.

Propane/LP

Tank

Supply

Valve

Hose

POL Fitting

Regulator

Adjustment Knob

(pointing down)

(Fig. 1)

Hose

Inlet Connector

(Fig. 2)

Operator’s Manual 13

Operation

OPERATION

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.

START SPACE HEATER:

1.

Follow all ventilation and safety information.

2. Place the space heater in an area that provides maximum

circulation of the heated air. Follow all location requirements

noted in the Safety Information.

3. Locate heater on stable and level surface. Make sure strong

drafts do not blow into front or rear of heater.

4. Plug power cord of heater into a three-prong, grounded

extension cord. Extension cord must be at least 6 feet (1.83

m) long, UL listed and of a proper size. See Extension Cord

Chart.

5. Plug extension cord into a 120 volt/60 hertz, 3-hole, grounded

outlet.

6. Open propane supply valve on Propane / L.P. tank(s) slowly.

Note: If not opened slowly, excess-flow check valve on

Propane / L.P. tank will stop gas ow. If this happens, you may

hear a click inside the regulator assembly. To reset the excess-

ow check valve,close Propane / L.P. supply valve and open

again slowly.

7. Make sure regulator is set between 7 and 20 psig.

Note: Higher regulator setting will allow heater to produce more

heat.

8. Turn on/off switch to the ON position. Adjust thermostat to

desired setting. If heater does not start, thermostat setting may

be too low. Turn thermostat knob to higher position to start

heater.

Note: If heater does not start, turn on/off switch to the OFF position.

Wait ten seconds for safety control to reset, then try again.

STOP SPACE HEATER:

1. Tightly close Propane / L.P. supply valve on propane

tank(s).

2. Wait a few seconds. Heater will burn gas left in supply

hoses.

3. Turn ON/OFF switch to the OFF position.

4. Unplug heater.

TO RESTART HEATER:

If safety control stops gas ﬂow to heater, motor will continue to

run.

1. Turn on/off switch to the OFF position.

2. Wait ten seconds, then turn on/off switch to the ON position.

If heater does not restart:

1. Check manual valves (if any) and supply valves (on Propane

/ L.P. tank). Make sure they are open.

2. Check fuel level in Propane / L.P. tank(s). If fuel level is too

low, contact local Propane / L.P. gas company.

If heater still does not restart, contact your local service center.

Extension Cord Size Requirement

Length of Cord: Rated Cord:

Up to 50 feet (15 m)

18 AWG

51 to 100 feet (15.5 to 30.48 m)

16 AWG

101 to 200 feet (30.78 to 60.96 m) 14 AWG

14 Operator’s Manual

Symptom Problem Solution

Fan does not turn when heater

is plugged in.

Heater will not ignite.

No electrical power to heater.

Fan hitting inside of heater shell.

Fan blades bent.

Defective motor.

User did not follow installation or

operation instructions properly.

No spark at ignitor. To test for spark,

see "Service: Ignitor" and follow

step 8. If you see spark at ignitor,

have heater serviced by qualied

service person. If no spark seen:

a. Loose or disconnected ignitor

wire

b. Wrong spark gap

c. Bad ignitor electrode

d. Bad spark transformer

Check voltage to electrical outlet. If volt-

age is good, check heater power cord

for breaks.

Adjust motor / fan mount to keep fan

from hitting inside of heater shell.

Replace fan.

Replace motor.

Repeat installation and operation

instructions.

a. Check ignitor wire. Tighten or reattach

loose ignitor wire. See "Maintenance:

Spark Transformer" for ignitor wire

location

b. Set gap between ignitor electrode and

nozzle to .13"/.15" (3.3/3.8 mm)

c. Replace ignitor electrode. See

"Maintenance: Ignitor".

d. Replace spark transformer. See

"Maintenance: Spark Transformer".

Troubleshooting

WARNING: HIGH VOLTAGE. NEVER SERVICE SPACE HEATER WHILE IT IS PLUGGED IN,

OPERATING, OR HOT. SEVERE BURNS AND ELECTRICAL SHOCK CAN OCCUR.

Troubleshooting

Operator’s Manual 15

Symptom Problem Solution

Heater shuts down while

running.

Heater producing odor.

Propane supply may be inadequate.

High surrounding air temperature

causing thermal limit device to shut

down heater.

Restricted air ﬂow.

Damaged fan.

Excessive dust or debris in

surrounding area.

Gas leak

Heater not operating on a 100 lb.

propane / L.P. cylinder. Insufcient

propane / L.P. gas will result in odor.

Propane / L.P.... supply tank is

"freezing up". Evaporation and

consumption rate of propane from

supply tank is to great for the size of

the tank and air temperature

a. Rell tank

b. Provide additional and/or larger

tanks. See "Preparation: Propane

Supply".

This can happen when running heater

in temperatures above 85° F (30° C).

Run heater in cooler temperatures.

Check heater inlet and outlet. Re-

move any obstructions.

Replace fan. See "Maintenance:

Fan".

Clean heater. See "Maintenance".

Check all connections for leaks. Apply

mixture of liquid soap and water to

gas joints. Bubbles forming show a

leak that must be corrected

To obtain correct mixture of propane

/ L.P. gas and air, use a larger cylin-

der size, i.e. 100 lb. (minimum) See

"Preparation: Propane Supply".

a. Use a larger supply cylinder size,

i.e. 100 lb. (minimum).

b. Reduce consumption rate by

operating the heater at LOW

setting temporarily until frost

disappears from the tank

WARNING: HIGH VOLTAGE. NEVER SERVICE SPACE HEATER WHILE IT IS PLUGGED IN,

OPERATING, OR HOT. SEVERE BURNS AND ELECTRICAL SHOCK CAN OCCUR.

WARNING: Use only in areas free

of high dust content.

16 Operator’s Manual

Service

MAINTENANCE:

WARNING: TO AVOID RISK OF BURN AND

ELECTRICAL SHOCK, NEVER ATTEMPT

TO SERVICE SPACE HEATER WHILE IT IS

PLUGGED IN, OPERATING, OR HOT.

KEEP HEATER CLEAR AND FREE FROM

COMBUSTIBLE MATERIALS, GASOLINE AND

OTHER FLAMMABLE VAPORS AND LIQUIDS

DO NOT BLOCK THE FLOW OF COMBUSTION

OR VENTILATION AIR.

1. Keep heater clean. Clean heater annually or as

needed to remove dust and debris. If heater is dirty or

dusty, clean heater with a damp cloth. Use household

cleaners on difcult spots.

2. Inspect heater before each use. Check connections

for leaks. Apply mixture of liquid soap and water to

connections. Bubbles forming show a leak. Correct

all leaks at once.

3. Inspect hose / regulator assembly before each use. If

hose is highly worn or cut, replace with hose specied

by manufacturer.

4. Have heater inspected yearly by a qualied service

agency.

5. Keep inside of heater free from combustible and

foreign objects. Remove motor and other internal

parts if needed to clean inside of heater.

6. Clean fan blades each season or as needed.

Service

Operator’s Manual 17

MAINTENANCE (CONTINUED):

(Fig. 3)

(Fig. 4)

(Fig. 5)

WARNING: NEVER SERVICE HEATER WHILE

IT IS PLUGGED IN, CONNECTED TO

PROPANE SUPPLY, OPERATING OR

HOT. SEVERE BURNS AND ELECTRICAL

SHOCK CAN OCCUR.

CLEANING FAN:

Clean fan every 500 hours of operation or as needed.

1. Remove screws on side cover using 5/16" nut-driver.

2. Remove side cover.

3. Detach the ve motor wires from parts under heater

shell. Be sure to detach only wires coming from motor.

(Fig. 3)

The ve motor wires are:

• white wire—to terminal board

• black wire—to terminal board

• blue wire—to thermal switch wire

• orange wire—to solenoid valve

• green wire—to grounding screw on shell

4. Remove fan guard from rear of heater.

5. Reach into rear of heater shell. Carefully pull motor wires

through hole in bottom of shell. (Fig. 4)

Note: Pull wires through hole one at a time.

6. Remove nuts and mounting bolts holding motor mount

to shell. Use 3/8" nut-driver and 7/16" wrench.

7. Carefully pull motor and fan out of shell.

IMPORTANT: Be careful not to damage fan. Do not set

motor and fan down with the weight resting on fan. This

could damage fan pitch.

8. Turn motor and fan around. Place motor and fan into

shell backwards.

Note: Motor will go into shell rst (Fig. 5).

9. Line up rear mounting holes in shell with rst hole on

each side of motor mount (Fig. 5).

Note: When holes are lined up, fan should be outside of

shell.

10. Holding mounting bolt, carefully reach through fan

blades into rear of heater. Be careful not to damage

fan pitch. Insert bolt through motor mount and shell.

With free hand, attach nut, nger tight. Repeat process

for other mounting hole.

11. Use 1/8" hex wrench to loosen setscrew which holds

fan to motor shaft (Fig. 6).

12. Slip fan off motor shaft.

13. Clean fan using soft cloth moistened with kerosene or

solvent.

T

erminal

Board

Grounding Screw

Thermal

Switch Wire

Solenoid

Valve

Motor Wires

Mounting

Bolts

Motor

Mount

Rear

Mounting

Hole

First

Hole

Motor

Shaft

Fan

Setscrew

(Fig. 6)

Service

18 Operator’s Manual

CLEANING FAN (CONT.):

14. Dry fan thoroughly.

15. Replace fan on motor shaft. Make sure setscrew is

touching back of ﬂat surface on motor shaft (Fig. 7).

16. Place setscrew on ﬂat of shaft. Tighten setscrew rmly

(40-50 inch-pounds).

17. Remove two nuts and bolts securing motor mount to

shell.

18. Pull motor and fan from shell. Turn motor and fan

around. Carefully place back in shell. Note: Fan will

go into shell rst.

19. Line up mounting holes in shell with holes on motor

mount. Replace four bolts through shell and motor

mount. Insert bolts from outside of heater. Tighten nuts

rmly.

20. Route motor wires through hole in bottom of shell

(Fig. 4).

21. Connect motor wires as follows (Fig. 3):

• white wire—to terminal board

Note: Attach to empty connector on white wire side of

terminal board.

• black wire—to terminal board

Note: Attach to empty connector on black wire side of

terminal board.

• blue wire—to thermal switch wire

• orange wire—to solenoid valve

• green wire—to grounding screw on shell

22. Replace side cover.

23. Replace fan guard.

(Fig. 7)

Fan

Hub

Setscrew

Motor

Shaft

Operator’s Manual 19

STORAGE

CAUTION: DISCONNECT HEATER FROM

PROPANE / L.P. SUPPLY TANK(S).

1. Store Propane / L.P. tank(s) in safe manner. See

Chapter 5 of Standard for Storage and Handling of

Liqueed Petroleum Gases, ANSI/NFPA 58 and the

Propane Installation Code CAN/CGA B149.2. Follow

all local codes. Always store propane tanks outdoors.

2. Place plastic cover caps over brass ttings on inlet

connector and hose / regulator assembly.

3. Store in dry, clean and safe place. Do not store

hose / regulator assembly inside heater combustion

chamber.

4. When taking heater out of storage, always check

inside of heater. Insects and small animals may place

foreign objects in heater. Keep inside of heater free

from combustible and foreign objects.

Storage

20 Operator’s Manual

ITEM SPECIFICATION

Model Size SH-375LP

Output Rating (BTU / Hr) 225,000 to 375,000

Fuel Propane / L.P. Vapor Only

Fuel Consumption:

(Gal. Per Hr / Liters Per Hr) Min: 2.5 / 9.4

Max: 4.0 / 15

(Pounds Per Hr / Kilograms Per Hr) Min: 10.4 / 4.7

Max: 17.4 / 7.9

Supply Pressure to Regulator:

Minimum (for input adjustment) 25 PSIG / 172kPa

Maximum Tank Pressure

Regulator Outlet Pressure 7-20 PSIG / 48 to 138 kPa

Hot Air Output (Approx.) 1500 CFM / 42.5 cubic meter / minute

Motor RPM 1725

Motor HP 1/5

Electric Input 120V / 60Hz

Amperage (Normal Run) 4.2

Ignition Electronic Direct Spark, D.S.I.

Shipping Weight

(Approximate Pounds /

Kilograms) 48 / 21.8

Space Heater Weight

(Approximate Pounds /

Kilograms) 41 / 18.6

Specications

RECORD SERIAL NUMBER

Write you model number, machine serial number and

date of purchase in the spaces provided below. Your

dealer needs this information when ordering parts.

Model No. ______________________________________________

Machine Serial No. _______________________________________

Date of Purchase ________________________________________

(To be lled in by purchaser)

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