Desa CANADIAN PROPANE CONSTRUCTION CONVECTION HEATER, RCCP25, TCC25, RCP25V, TC25V Owner's Manual

CANADIAN PROPANE CONSTRUCTION CONVECTION HEATER

OWNER’S MANUAL

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.

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, explosion, 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.

Variable 15,000/25,000

Btu/Hr Models

Save this manual for future reference.

For more information, visit www.desatech.com

TABLE OF CONTENTS

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

Product Identification .......................................... 3

Unpacking ........................................................... 3

Theory of Operation ............................................ 3

Ventilation ...........................................................3

Propane Supply .................................................. 4

Installation ........................................................... 4

Operation ............................................................4

Storage ............................................................... 5

Maintenance ....................................................... 5

Inspecting Burner ................................................ 5

Specifications ...................................................... 6

Troubleshooting ..................................................6

Technical Service ................................................ 6

Illustrated Parts Breakdown and Parts List ......... 7

Replacement Parts ............................................. 7

Warranty and Repair Service .............................. 8

www.desatech.com 112396-01A

2

SAFETY INFORMATION

WARNING: This product con­tains and/or generates chemicals
known to the State of California
to cause cancer or birth defects,
or other reproductive harm.

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.

WARNING: NOT FOR
HOME OR 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 specific 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 fire safety

authority if you have questions about heater use.

Other standards govern the use of fuel gases and
heat producing products for specific uses. Your
local authorities can advise you about these.

Carbon Monoxide Poisoning: Some people
are more affected by carbon monoxide than oth­ers. 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.

Propane Gas: 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.

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.

• 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 Stor-

age and Handling of Liquefied Petroleum Gas,
ANSI/NFP A 58 and the Pr opane Installation Code,
CAN/CGA B149.2. This instructs on the safe stor-

age and handling of propane/LP gases.

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

• Use only propane gas set up for vapor with­drawal.

• For indoor and outdoor use. When used indoors,
use only in well-vented areas. Provide at least
120 square inches (774.2 cm2) of fresh, outside
air before using heater.

• Do not use heater in occupied dwellings, sleep­ing quarters, campers, tents, or any type of
unvented or enclosed area.

• 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.

• Do not use heater as a cooking device. Do not
place objects on top of heater.

• Keep appliance area clear and free from com­bustible materials, gasoline, paint thinner, and
other flammable vapors and liquids. Dust is
combustible. Do not use heater in areas with
high dust content.

• Minimum heater clearances from combustibles:
Sides: 3 feet (1 meter); T op: 6 feet (1.8 meters).

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

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

www.desatech.com

112396-01A

3

SAFETY INFORMATION

Continued

PRODUCT

IDENTIFICATION

Piezo Ignitor
Button

Gas Inlet
Connector

Shell

Top

Base

Automatic
Control Valve
Button

Figure 1 - Product Identification

Hose/Regulator/
Fuel Gas Connector
Assembly

• Before each use, check heater for leaks. 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.

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

• Check hose before each use of heater . If highly
worn or cut, replace with hose specified by the
manufacturer before using heater .

• Do not alter heater. Keep heater in its or ginal state.

• Do not use heater if altered.

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

• Never block air inlet (top of base) or air outlet
(around top of shell) of heater.

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

• Never operate heater while sleeping or unattended.

• Keep children and animals away from heater.

• Never move, handle, or service a hot or operat­ing heater. Severe burns may result. You must
wait 15 minutes after turning heater off.

• To prevent injury, wear gloves when handling
heater.

• Always remove heater from propane tank after
each use. Always store propane tank outdoors
in a well ventilated space out of the reach of
children. Never store propane tank in a build­ing, garage, or any other enclosed area. Never
store propane tank near high heat, open flame,
or where temperatures exceed 120° F (49° C).

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

• 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.

• Keep all connections and fittings clean. Make
sure propane tank valve outlet is clean. Check
the rubber “O” ring on the heater inlet fuel con­nector for damage before each use. Replace if
worn or damaged.

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.

THEORY OF OPERATION

The Fuel System: The hose/regulator assembly

attaches to the propane gas supply. This provides
fuel to the heater.

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.

VENTILATION

WARNING: Provide at least
an 120-square-inch (774.2 cm2)
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.

www.desatech.com 112396-01A

4

Figure 2 - Connecting Heater to Propane

Tank

Propane
Tank

Propane Supply
Valve

Regulator

Hose

POL
Fitting

Inlet
Connector

Hose

Figure 3 - Hose and Inlet Connector,
Automatic Control Valve Button and

Piezo Ignitor Button Locations

Piezo
Ignitor

Automatic Control
Valve Button

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. See Chapter 5 of the Stan-

dard for Storage and Handling of Liquefied Pe­troleum Gas, ANSI/NFPA 58 and/or CAN/CGA
B149.2. Your local library or fire department will

have this booklet.
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

20 lb. (9 kg) tank. Y ou may need two or more tanks
or one larger tank in colder weather . Use a 100 lb.
(45 kg) tank for longer operation or in very cold
weather. Less gas is vaporized at lower tempera­tures. Your local propane gas dealer will help you
select the proper supply system.

Temperature °F (°C) Number of tanks,

at Tank Location 100 pound (45 kg)

above 0°(-18°) 1
below 0°(-18°) 2

INSTALLATION

WARNING: Test all gas pip­ing and connections for leaks
after installation 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. Wrench tighten the fuel connector nut into the
propane tank valve (see Figure 2). Turn fuel
connector nut counterclockwise to tighten.
Threads are left-handed.

2. Connect hose to inlet connector (see Figure 3).
Tighten firmly using a wrench.

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

Note:

if not opened slowly , excess-flow
check valve on propane tank may stop gas flow .
If this happens, you may hear a click inside the
regulator assembly , this is the check valve clos­ing. T o reset the excess-flow check valve, close
propane supply valve and open it again slowly .

4. Check all connections for leaks. Apply mixture
of liquid soap and water to gas joints. Bubbles
forming show a leak that must be corrected.

5. Close propane supply valve.

OPERATION

WARNING: Review and un-

derstand the warnings in the

Safety Information

section, pages
2 and 3. They are needed to safely
operate this heater. Follow all lo­cal codes when using this heater.

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 on heater .

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

4. Turn the heater regulator knob clockwise to the
“HI” position.

5. Push in and hold automatic control valve button
(see Figure 3). Push and release piezo ignitor

www.desatech.com

112396-01A

5

OPERATION

Continued

Burner
Tube

Primary Air
Openings

Figure 4 - Bottom View of Heater

button. Keep pushing piezo ignitor button until
the burner lights. Hold control knob down for a
maximum of 10 seconds while attempting igni­tion. If heater does not light, release control knob
and wait 30 seconds. Repeat step 5 to start heater .

Note:

Keep hands and face away from outlet
(around top of shell) of heater while attempting
to start heater. After ignition, hold control knob
down for approximately 30 seconds. This acti­vates the automatic control system.

6. If burner will not light after repeated tries, do not
attempt to repair heater. Return heater to nearest
authorized service center or call DESA Heating
Products' Technical Service at 1-866-672-6040.

7. When burner remains lit, you can turn the heater
regulator knob clockwise to the desired heat
setting. If burner goes out, turn off gas. Check
fuel supply . If fuel supply is OK, restart heater .

TO STOP HEATER

1. Tightly close propane supply valve on propane
tanks by turning clockwise. Wait 15 minutes
for the heater to cool before handling heater.

2. Always remove the gas supply hose from the
heater and the propane tank after each use.

TO RESTART HEATER

1. Wait five minutes after stopping heater.

2. Repeat steps under To Start Heater, page 4.

STORAGE

CAUTION: Disconnect heater

from propane supply tank(s).

1. Do not store heater while attached to propane
tank. Remove the gas supply hose from the pro­pane tank by turning the fuel gas connector nut
clockwise.

2. Store propane tank(s) in safe manner. Refer to
Chapter 5 of Standard for Storage and Han-

dling of Liquified Petroleum Gases, ANSI/NFPA
58 and/or CAN/CGA B149.2. Follow all local

codes. Always store propane tanks outdoors.
Never store propane tank in an enclosed area.

3. Place plastic cover caps over brass fittings on
inlet connector and hose/regulator assembly.

4. Store in a dry, clean, and safe place.

MAINTENANCE

WARNING: Never attempt to
service heater while it is con­nected to propane supply, oper­ating, or hot. Severe burns can
occur.

1. Keep heater clean.

2. Inspect heater before each use. Check connec­tions for leaks. Apply mixture of liquid soap
and water to connections. Bubbles forming
show a leak that must be corrected. 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.

INSPECTING BURNER

WARNING: Heater shell, top,
and heated air from heater is
very hot during operation.
Gradually move in closer to
heater to observe flame color.
Do not touch heater shell or top.
Do not get too close to heated
air from heater. Severe burns
could occur.

To check for correct burner flame, look through
the ventilation holes in the top of the heater to see
the burner flame. The burner flame should be
mostly blue with slight yellow coloring on the
ends. If the burner flame is mostly yellow, the pri­mary air openings on the burner tube under the
heater base may be blocked (see Figure 4).

1. Stop heater (see To Stop Heater) and let cool.

2. Turn heater over to locate the primary air open­ings on the burner tube (see Figure 4). Remove
any debris blocking the primary air openings.

www.desatech.com 112396-01A

6

REMEDY

1. Open propane supply valve
slowly

2. Replace burner/valve assembly

3. Assure ignitor electrode gap is
.120" (3.04 mm). Check wire
lead for damage. Replace
piezo ignitor and/or ignitor
electrode as necessary

1. Relight, hold automatic con­trol valve button in 45 seconds

2. Check propane tank(s) for
proper gas supply

3. Tighten connection or replace
thermocouple

4. Replace automatic control
valve assembly

1. Check gas supply; check regu­lator output

2. Consult propane gas supplier

3. Replace burner assembly

POSSIBLE CAUSE

1. Propane supply valve closed
on propane tank(s)

2. Blockage in burner/valve as­sembly

3. Piezo ignition system not
sparking

1. Not enough warm-up time

2. Low gas pressure

3. Thermocouple loose or needs
to be replaced

4. Automatic control valve
needs to be replaced

1. Low gas pressure

2. Low fuel supply

3. Plugged gas orifices

SYMPTOM

Burner fails to light

Burner lights but goes out when
automatic control valve button
is released

Maximum burn rate is low

WARNING: Never attempt to service heater while it is connected

to propane supply, operating, or hot. Severe burns can occur.

TROUBLESHOOTING

SPECIFICATIONS

Rating

High....................25,000 Btu/Hr (26.375 Kj/Hr)

Low.....................15,000 Btu/Hr (15.826 Kj/Hr)

Fuel ..................................... Propane Vapor Only

Fuel Consumption

Gallons (Liters)/Hour ... Min .17 (.64), Max .27 (1.02)

Pounds (kg)/Hour ....... Min .70 (.32), Max 1.16 (.53)

Supply Pressure (To Regulator)

Maximum.................................... Tank Pressure

Minimum ..............................275.8 kPa (40 psi)

Regulator Outlet Pressure

High......................................103.4 kPa (15 psi)

Low ........................................ 34.4 kPa (5 psi)

W eight

Heater ............................................ 3.2 kg ( 7 l b )

Ship p ing ......................................... 4.1 kg ( 9 lb)

Size - L x W x H

Heater ................................ 31.7 x 2 7 . 9 x 34 cm

(12.5 x 11 x 13.4 inches)

Carton ................................ 33 x 30 . 5 x 3 5 . 6 c m

(13 x 12 x 14 inches)

TECHNICAL SERVICE

Y ou may have further questions about installation,
operation, or troubleshooting. If so, contact DESA
Heating Products’ Technical Service Department
at 1-866-672-6040. When calling please have your
model and serial numbers of your heater ready.

You can also visit DESA Heating Products’ tech­nical services web site at www.desatech.com.

www.desatech.com

112396-01A

7

ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST

MODELS
RCCP25

TCC25
RCP25V
TC25V
REM25V

This list contains replaceable parts used in your
heater. When ordering parts, follow the instructions
listed under Replacement Parts of this manual.

5

6

2

1

4

7

8

3

REPLACEMENT PARTS

WARNING: 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. This will also protect
your warranty coverage for parts
replaced under warranty.

PARTS UNDER WARRANTY

Contact authorized dealers of this product. If they
can’t supply original replacement part(s), either
contact your nearest Parts Central or call DESA
Heating Products (US) at 1-866-673-6040 or
DESA Industries (CAN) at 1-905-826-8010.

When calling DESA, have ready

• your name and address

• how heater was malfunctioning

• purchase date

• model and serial numbers of your heater
In most cases, we will ask you to return the part to

the factory.

PARTS NOT UNDER WARRANTY

Contact authorized dealers of this product. If they
can’t supply original replacement part(s), either con­tact your nearest Parts Central listed in the Autho­rized Service Center booklet supplied with heater or
call DESA Heating Products (US) at 1-866-673-6040
or DESA Industries (CAN) at 1-905-826-8010 for
referral information.

When calling DESA, have ready

• model number of your heater

• the replacement part number

KEY PART
NO. NO. DESCRIPTION QTY

1 101880-01 Shell Assembly 1
2 101864-01

Burner Assembly Kit

1
3 102445-01 Piezo Ignitor w/ Nut 1
4 103933-01 Thermocouple

Bracket 1
5 101878-01 Electrode Ignitor 1
6 099236-01 Thermocouple Kit 1
7 112776-01 Hose & Regulator

Assembly 1
8 112392-01 Base Shield 1

PARTS AVAILABLE - NOT SHOWN

111677-04 RCCP25 Decal 1
111677-05 RCP25V Decal 1
111677-06 REM25V Decal 1
102597-02 TCC25 Decal 1
102597-03 TC25V Decal 1
111348-04 Warning Tag 1
111348-06 Warning Tag 1
111348-05 Operation Tag 1
111348-07 Operation Tag 1
112398-01 US Rating Label 1
112398-02 CAN Rating Label 1

LIMITED WARRANTY

DESA Heating Products warrants this product and any parts thereof, to be free from defects in materials and
workmanship for one (1) year from the date of first purchase when operated and maintained in accordance with
instructions. This warranty is extended only to the original retail purchaser, when proof of purchase is provided.

This warranty covers only the cost of parts and labor required to restore the product to proper operating condition.
Transportation and incidental costs associated with warranty repairs are not reimbursable under this warranty.

Warranty service is available only through authorized dealers and service centers.
This warranty does not cover defects resulting from misuse, abuse, negligence, accidents, lack of proper mainte-

nance, normal wear, alteration, modification, tampering, contaminated fuels, repair using improper parts, or repair by
anyone other than an authorized dealer or service center. Routine maintenance is the responsibility of the owner.

THIS EXPRESS WARRANTY IS GIVEN IN LIEU OF ANY OTHER WARRANTY EITHER EXPRESSED OR
IMPLIED, INCLUDING WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.

DESA Heating Products assumes no responsibility for indirect, incidental or consequential damages. Some states
do not allow the exclusion or limitation of incidental or consequential damages, or limitations or exclusions may
not apply to you. This Limited Warranty gives you specific legal rights and you may also have other rights which
vary from state to state.

WARRANTY AND REPAIR SERVICE

KEEP THIS WARRANTY

This warranty does not cover discoloration due to operation of heater. We reserve the right to amend these specifica­tions at any time without notice. The only warranty applicable is our standard written warranty. We make no other
warranty, expressed or implied.

WARRANTY SERVICE

Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be
presented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workmanship.
If so, DESA Heating Products will repair or replace the heater without charge.

REPAIR SERVICE

Return your heater to your nearest authorized service center. Repairs not covered by the warranty will be billed at
standard prices. Each Service Center is independently owned and operated. We reserve the right to amend these
specifications at any time without notice.

Model _______________________________
Serial No. ____________________________
Date of Purchase ______________________

Industries of Canada, Inc.

2220 Argentia Road, Unit #4
Mississauga, Ontario
L5N2K7
905-826-8010
Fax: [phone]
www.desatech.com

2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004

www.desatech.com