Desa Tech 25-VC, SPC-25VC Owner's Manual

OWNERS MANUAL

CONVECTION PROPANE CONSTRUCTION HEATERS

Models

25-VC SPC-25VC

QUESTIONS?

MISSING / DAMAGED PARTS

Please do not return this product to the store.

If a part is damaged or missing, simply e-mail us
at [e-mail], or visit our website at

STOP

http://allpro-heaters.com, or call our Customer
Service Department at [phone].
We will be happy to assist you!
You can register your heater on line at
http://allpro-heaters.com/warranty.

TABLE OF CONTENTS

HEA TER SPECIFICATIONS ................................................................................................................ 2

WARNINGS .................................................................................................................................. 2

OPERATING PRECAUTIONS ............................................................................................................. 3

SAFETY PRECAUTIONS .................................................................................................................... 3

ODOR FADE WARNING...................................................................................................................... 4

OPERA TING INSTRUCTIONS ............................................................................................................ 5

SERVICING.......................................................................................................................................... 5

25-VC/SPC-25VC - PARTS.................................................................................................................. 6

WARRANTY......................................................................................................................................... 7

SERVICE CENTERS ........................................................................................................................... 7

INSTRUCTIONS FOR ORDERING PARTS......................................................................................... 7

WARRANTY REGISTRA TION ............................................................................................................11

RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE

© 2002 Scheu Products Company

Models

25-VC SPC-25VC

HEATER SPECIFICATIONS

Type of Gas: For use with Propane Only
Gas Supply Pressure

to regulator Maximum: Bottle Pressure Minimum: 40 psi (276 kPa)
regulator out 10 psi (68.9 kPa) - 15 psi (103 kPa)

Ignition: Manual, piezo igntion

Model: 25-VC/SPC-25VC

Rating: 15,000 - 25,000 BTU/hr
(5.9 kW - 9.8 kW)

Fuel Consumption: 0.7 - 1.2 #/hr (.32 - .54 kg/hr)

Fuel Orifice Port No.: 1
Fuel Orifice Port Size: 0.0250" (0.635mm)

WARNINGS
YOUR SAFETY IS IMPORTANT TO YOU AND TO OTHERS, SO PLEASE
READ THESE INSTRUCTIONS BEFORE YOU OPERATE THIS HEATER.

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, CARBON MONOXIDE POISONING, AND/OR ELECTRICAL SHOCK.

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: NOT FOR HOME OR RECREATIONAL VEHICLE USE

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.

Scheu Products Company, Incorporated

Mail: P.O. Box 250, Upland, CA 91785

Plant: 8855 Baker Ave., Rancho Cucamonga, CA 91730

Telephone: [phone]

www.scheuco.com

[e-mail]

8648

September 2002

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Models

25-VC SPC-25VC

OPERATING PRECAUTIONS

This is a propane, direct-fired, convection heater. It's intended
use is primarily temporary heating of buildings under
construction, alteration or repair.

Propane is heavier than air. If propane leaks from a connection
or fitting, it sinks to the floor, collecting there with the surrounding
air, forming a potentially explosive mixture. Obviously, propane
leaks should be avoided, so set up the propane supply with
utmost care. Read enclosed Odor Fade and Propane Sheet for
additional information about detecting propane leaks. Leak
check new connections or reconnections with a soap and water
solution and follow all connection instructions herein. Also, ask
your propane dealer for advice on the propane application and
supply installation and ask him to check it if there are any
questions.

This heater was designed for use as a construction heater in
accordance with ANSI Standard Z83.7/CGA 2.14. Check with
your local fire safety authority if you have any questions about
your applications. Other standards govern the use of fuel gases
and heat producting products in specific applications. Your local
authority can advise you about these.

Direct-Fired means that all of the combustion products enter the
heated space. Even though this heater operates very close to
100 percent combustion efficiency, it still produces small
amounts of carbon monoxide. Carbon monoxide (called CO) is
toxic. We can tolerate small amounts but not a lot. CO can build
up in a heated space and failure to provide adequate ventilation
could result in death. The symptoms of inadequate ventilation
are:

headache dizziness
burning eyes and nose nausea

dry mouth or sore throat
So, be sure to follow advice about ventilation in these operating
instructions.

Forced Air means that a blower or fan pushes the air through the
heater. Proper combustion depends upon this air flow; therefore,
the heater must not be revised, modified or operated with parts
removed or missing. Likewise, safety systems must not be
circumvented or modified in order to operate the heater.

When the heater is to be operated in the presence of other
people the user is responsible for properly acquainting
those present with the safety precautions and instructions,
and of the hazards involved.

SAFETY PRECAUTIONS

1.Check the heater thoroughly for damage. DO NOT operate a
damaged heater.

2.DO NOT modify the heater or operate a heater which has
been modified from its original condition.

3.Use only propane gas.

4.Use only VAPOR WITHDRAWAL propane supply. If there is
any question about vapor withdrawal, ask your propane
dealer.

5.Mount the propane cylinders vertically (shutoff valve up).
Secure them from falling or being knocked over and protect
them from damage.

6.Locate propane containers at least (USA) 7 ft. (2.13m),
(Canada) 10 ft. (3m) from the heater and do not direct
exhaust toward containers.

7.IMPORTANT Use only the hose and regulator assembly
provided with the heater. Match the color stripe on the
hangtag attached to the hose assembly with the color on the
label located near the propane inlet fitting on the heater.
Inspect hose assembly before each use of the heater. If there
is excessive abrasion or wear, or hose is cut, replace with
hose assembly listed on parts list before using heater.

8.For indoor use only. Area must be well ventilated. Figure 1.
(also see "Operating Precautions").

9.If at any time gas odor is detected, IMMEDIATELY
DISCONTINUE operation until the source of gas has been
located and corrected. Read enclosed Odor fade and
Propane Sheet for additional information about detecting
propane leaks.

10.Install the heater such that is is not directly exposed to water
spray, rain and/or dripping water.

11. Maintain minimum clearance from normal combustible
material (like paper). Figure 2.

12. Due to the high surface and exhaust temperatures, adults
and children must observe clearances to avoid burns or
clothing ignition.

13.Operate only on a stable, level surface.

14. CAUTION: Do not touch heater surface during operation or
for 20 minutes after shutdown. It can cause serious burns.

15.Do not move, handle or service while hot or burning.

16.Use only in accordance with local codes or, in the absence of
local codes, with the Standard for the Storage and Handling
of Liquefied Petroleum Gases ANSI/NFPA 58 and CSA
B149.1, Natural Gas and Propane Installation Code.

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

VENTILATION: Minimum openings required

Heater near floor near ceiling

Infrared ...............................................................1 ft

Convection (25-VC) ............................................1 ft

Convection (All others) .......................................2 ft

Radiant ............................................................... 2 ft

Forced air (30K-125K BTU/HR) .........................1 ft

Forced air (150-FAST, SPC-150T) ....................2 ft

Forced air (3500-FACV, SPC-350) .................... 3 ft

Forced air (7000-FACV) ..................................... 4 ft

Figure 1

Opening Opening

2

.....................

2

.....................

2

.....................

2

.....................

2

.....................

2

.....................

2

.....................

2

.....................

1 ft
1 ft
2 ft
2 ft
1 ft
2 ft
3 ft
4 ft

2
2
2
2
2
2
2
2

MINIMUM CLEARANCE: From normal combustible material

Figure 2

Radiant Forced Air
Clearance Infrared Convection Forced Air 7000-FACV

From floor ...........................................................0 ft .............. 0 ft

From outlet .........................................................6 ft .............. 10 ft

From sides ................3 ft ............ 4 ft ................2 ft .............. 3 ft

From top ...................................... 6 ft ................3 ft .............. 5 ft

From front ................. 6 ft

From rear ..................2 ft

Locate 10 ft. from canvas or plastic tarpaulins or similar coverings and
secure them to prevent flapping or movement due to wind action.

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