Desa RCP25 Manual de usuario

CANADIAN

PROPANE

CONSTRUCTION

HEATER

OWNER’S MANUAL

Heater Size: 50,000 BTU/Hr

IMPORTANT

Readandunderstandthismanualbeforeassembling,starting,orservicingheater.

Improper use of heater can cause serious injury. Keep this manual for future

reference.

101489

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

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

Unpacking......................................................................................4

Theory of Operation ......................................................................5

Propane Supply..............................................................................5

Installation .....................................................................................6

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

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

Storage ........................................................................................... 9

Maintenance ..................................................................................9

Troubleshooting.............................................................................10

Service Procedures ........................................................................11

Speciﬁcations................................................................................. 14

Wiring Diagram.............................................................................14

Accessories ....................................................................................15

Technical Service ..........................................................................15

Service Publications ......................................................................15

Replacement Parts .........................................................................15

Warranty and Repair Service.........................................................Back Cover

SECTION PAGE

CONTENTS

Safety Information continues on next page

Carbon Monoxide Poisoning: Some people are more affected by carbon

monoxidethan others. Earlysignsof carbon monoxide poisoningresemble 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.

WARNING ICON G 001

WARNINGS

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, electri-

cal shock, or carbon monoxide poisoning.

SAFETY

INFORMATION

FOR YOUR SAFETY

Do not use this heater in a space where gasoline or other liquids

having flammable vapors are stored or used.

101489

SAFETY

INFORMATION

Continued

PropaneGas:Propanegasisodorless.Anodor-makingagentisaddedtopropane

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.

Makecertainyoureadandunderstandallwarnings.Keepthismanualforreference.

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

• For indoor use only. Provide adequate ventilation.

• Do not use heater outdoors or in occupied dwellings.

• Do not use heater in living or sleeping quarters.

• Use only in well-vented areas. Before using heater, provide at least a 0.14 m2

(1.5-square-foot) opening of fresh, outside air.

• Keep appliance area clear and free from combustible materials, gasoline, paint

thinner, and other flammable vapors and liquids. Do not use heater in areas

with high dust content.

• Keep heater away from strong drafts, water spray, rain, or dripping water.

• Install and use heater with care. Follow all local ordinances and codes. In the

absence of local ordinances and codes, refer to CAN/CGA-B149.2 Installation

Code for Propane. This instructs on the safe storage and handling of propane

gases.

• Check heater for damage before each use. Do not use a damaged heater.

• Use only propane gas set up for vapor withdrawal.

• Keep propane tank(s) below 38°C (100° F).

• Do not use heater below ground level. Propane gas is heavier than air. If a

leak occurs, propane gas will sink to the lowest possible level.

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

• Use only a three-prong, grounded extension cord.

• Use only the hose and factory preset regulator provided with the heater.

• Inspect hose before each use of heater. If highly worn or cut, replace before

using heater. Use the replacement hose assembly speciﬁed in this manual.

• Keep heater at least 2 meters (six feet) from propane tank(s). Do not point

heater at propane tank(s) within 6 meters (20 feet).

• Minimum heater clearances from combustibles:

Front outlet: 2 m (6 Ft.) Sides: 0.61 m (2 Ft.)

Top: 2 m (6 Ft.) Rear: 0.61 m (2 Ft.)

• Locate heater on stable and level surface if heater is hot or running.

• Keep children and animals away from heater.

• Turn off propane supply and unplug heater when not in use.

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

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

• Do not alter heater. Do not use heater if altered. Keep heater in its original state.

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

• Use only original replacement parts. This heater must use design-specific

parts. Do not substitute or use generic parts. Improper replacement parts could

cause serious or fatal injuries.

WARNING ICON G 001

WARNINGS

Continued

101489

PRODUCT

IDENTIFICATION

Figure 1 - 50,000 BTU/Hr Model

Power

Cord

Hose /Regulator

Assembly

Inlet

Connector

Handle

Shell

Hot Air Outlet

(Front)

Fan Guard

Piezo Ignitor

Button

Automatic

Control Valve

Button

UNPACKING 1. Remove all packing items applied to heater for shipment. Keep plastic cover

caps (attached to inlet connector and hose/regulator assembly) for storage.

2. Remove all items from carton.

3. Check all items for shipping damage. If heater is damaged, promptly inform

dealer where you bought heater.

Motor

Start Switch

Button

Heater Base

101489

Air For Combustion Air For Heating

THEORY OF

OPERATION

Combustion

Chamber

Clean

Heated

Air Out

(Front)

Hose/Regulator

Assembly

Cool Air In

(Back)

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

supply. This provides fuel to the heater.

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 piezo ignitor lights the burner.

The Automatic Control System: This system causes the heater to shut down

if the ﬂame goes out.

Motor

Fan

Figure 2 - Cross Section Operational View

PROPANE

SUPPLY

Propane gas and propane tank(s) are to be furnished by the user.

Use this heater only with a propane vapor withdrawal supply system. The amount

of propane gas ready for use from propane tanks varies. Two factors decide this

amount:

1. The amount of propane gas in tank(s)

2. The temperature of tank(s)

This heater is designed to operate with a minimum 9-kg (20-pound) propane tank.

You may need two or more tanks or one larger tank in colder weather. Use a 45-kg

(100-pound) tank for longer operation or in very cold weather. Less gas is vapor-

ized at lower temperatures. Your local propane gas dealer will help you select the

proper supply system.

Average Temperature 0°C -6.7°C -12°C -17.7°C -23.3°C -28.9°C

At Tank Location (32°F) (20°F) (10°F) (0°F) (-10°F) (-20°F)

Number Of Tanks

(45 kg/100-pound) 1111 22

101489

INSTALLATION

Inlet Connector Hose

Figure 4 - Hose and Inlet Connector

1. Provide propane supply system (see Propane Supply, page 5).

2. Connect POL ﬁtting on hose/regulator assembly to propane tank(s). Turn POL

ﬁtting counterclockwise into threads on tank. Tighten ﬁrmly using

2.22 cm (7/8 inch) wrench.

IMPORTANT:

Position regulator so that hose

leaving the regulator is in a horizontal position (see Figure 3). This places the

regulator vent in the proper position to protect it from the weather.

WARNING ICON G 001

WARNING

ReviewandunderstandthewarningsintheSafetyInformation

Section, pages 2 and 3. They are needed to safely operate this

heater. Follow all local codes when using this heater.

3. Connect hose to inlet connector. Tighten ﬁrmly using a wrench.

IMPORTANT:

Use extra hose or piping if needed. Install extra hose or piping

between hose/regulator assembly and propane tank. You must use the regula-

tor supplied with heater.

Propane

Tank

Propane

Supply

Valve Regulator

Hose

POL Fitting

Figure 3 - Regulator Position

WARNING ICON G001

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.

101489

4. Open propane supply valve on propane tank(s) slowly.

Note:

If not opened

slowly, excess-ﬂow check valve on propane tank will stop gas ﬂow. If this

happens, close propane supply valve and open again slowly.

5. Check all connections for leaks.

WARNING ICON G001

WARNING

Never use an open ﬂame to check for a leak. Apply a mix-

ture of liquid soap and water to all joints. Bubbles forming

show a leak. Correct all leaks at once.

6. Close propane supply valve.

VENTILATION

OPERATION

To Start Heater

1. Follow all installation, ventilation, and safety information.

2. Locate heater on stable and level surface. Make sure strong drafts do not blow

into front or rear of heater.

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

Extension cord must be at least two meters (six feet) long, CSA listed, and of

a proper size.

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

start switch for three seconds to start motor and fan. This will force air out

front of heater.

Extension Cord Wire Size Requirements

Up to 15 meters (50 feet) long, use 18 AWG rated cord.

15.5 to 30.5 meters (51 to 100 feet) long, use 16 AWG rated cord.

31 to 61 meters (101 to 200 feet) long, use 14 AWG rated cord.

Continued

IMPORTANT:

Provide extra fresh air if more heaters are being used.

WARNING ICON G001

WARNING

Provide at least a 0.14 m2(1.5-square-foot) opening of fresh,

outside air while running heater. If proper fresh, outside air

ventilation is not provided, carbon monoxide poisoning can

occur. Provide proper fresh, outside air ventilation before

running heater.

WARNING ICON G001

WARNING

Review and understand the warnings in the Safety Informa-

tionsection, pages 2and 3.They areneeded tosafelyoperate

this heater. Follow all local codes when using this heater.

INSTALLATION

Continued

101489

5. Open propane supply valve on propane tank(s) slowly.

Note:

If not opened

slowly, excess-ﬂow check valve on propane tank will stop gas ﬂow. If this

happens, close propane supply valve and open again slowly.

OPERATION

Continued

6. Push in and hold automatic control valve button (see Figure 5). Push piezo

ignitor button (see Figure 5). You may need to push piezo ignitor button 3-8

times until the burner lights. When burner lights, keep automatic control valve

button pushed in. Release button after 30 seconds.

Note:

If heaterfailstoignite,hosemayhave airinit.Ifso,keepautomatic control

valvebutton pressedandwait20seconds.Releaseautomaticcontrolvalvebutton

and wait 20 seconds for unburned fuel to exit heater. Repeat step 6.

To Stop Heater

1. Tightly close propane supply valve on propane tank(s).

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

3. Unplug heater.

To Restart Heater

1. Wait five minutes after stopping heater.

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

If heater does not start or restart

• Check manual valves (if any) and supply valves on propane tank. Make sure

they are open.

• Check fuel level in propane tank(s). If fuel level is too low, contact local

propane gas company.

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

Automatic Control

Valve Button

Piezo Ignitor

Button

Start Switch

Button

Figure 5 - Automatic Control Valve Button, Piezo Ignitor Button, and

Start Switch Button

WARNING ICON G001

WARNING

Be sure motor and fan are running before pushing in auto-

matic control valve button. Flames could flash outside

heater if motor and fan are not running.

101489

STORAGE

1. Store propane tank(s) in safe manner. Follow all local codes. Always store

propane tanks outdoors.

2. Place plastic cover caps over brass ﬁttings on inlet connector and hose/regula-

tor 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. Remove motor and other

internal parts if needed to remove foreign objects (see Service Procedures,

page 11).

MAINTENANCE

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 house-

hold cleaners on difficult 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.

4. Have heater inspected yearly by a qualified service person.

5. Keep inside of heater free from combustible and foreign objects. Remove

motor and other internal parts if needed to clean inside of heater (see Service

Procedures, page 11).

6. Clean fan blades each season or as needed (see Fan, page 12).

WARNING ICON G001

CAUTION

Disconnect heater from propane supply tank(s).

WARNING ICON G001

WARNINGS

•Never service heater while it is plugged in, connected

to propane supply, operating, or hot. Severe burns and

electrical shock can occur.

•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.

101489

TROUBLE-

SHOOTING

Checkvoltagetoelectricalout-

let. If voltage is good, check

heater power cord for breaks.

Adjustmotor/fanguardtokeep

fanfromhittinginsideofheater

shell. Bend fan guard if neces-

sary.

Replace fan. See Fan, page 12.

Replace motor. See Motor,

page 11.

Repeat installation and opera-

tion instructions. See Installa-

tion, page 6 and Operation,

page 7.

A)Checkignitorwire.Tighten

or reattach loose ignitor wire.

SeeFigure13,page13forigni-

tor wire location.

B) Set gap between ignitor

electrode and target plate to

4.32 mm (.17").

C) Tighten nut holding piezo

ignitor to base of heater.

D) Replace ignitor electrode.

See Ignitor, page 13.

This can happen when running

heater in temperatures above

29°C (85°F). Run heater in

cooler temperatures.

Check heater inlet and outlet.

Remove any obstructions.

Replace fan. See Fan, page 12.

WARNING ICON G001

WARNING

Use only in areas free of

high dust content.

Clean heater. See Mainte-

nance, page 9.

Fan does not turn

when heater is

plugged in and start

switch depressed.

Heater will not

ignite.

Heater shuts down

while running.

OBSERVED FAULT POSSIBLE CAUSE REMEDY

No electrical power

to heater

Fan hitting inside of

heater shell

Fan blades bent

Defective motor

Userdidnotfollowinstal-

lation or operation in-

structions properly

No spark at ignitor. To

test for spark, follow step

9 under Ignitor, page 13.

If you see spark at ignitor,

have heater serviced by

qualified service person.

If no spark seen:

A) Loose or disconnected

ignitor wire

B) Wrong spark gap

C) Piezo ignitor loose

D) Bad ignitor electrode

Highsurroundingairtem-

perature causing thermal

limit device to shut down

heater.

Restricted air flow

Damaged fan

Excessive dust or debris

in surrounding area

WARNING ICON G001

WARNING

Never service heater while it is plugged in, connected to

propane supply, operating, or hot. Severe burns and

electrical shock can occur.

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