Desa Tc100rng User manual

NATURAL GAS

CONSTRUCTION

HEATER

OWNER’S MANUAL

Model: TC100RNG

®

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

FROMHAZARDSOFFIRE,EXPLOSION,BURN,ASPHYXIATION,CARBONMONOXIDEPOISONING

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.

2

104131

NATURAL GAS CONSTRUCTION HEATER

TC100RNG

THEORY OF

OPERATION

The Fuel System: The gas supply at-

taches to the heater by a minimum 3/4 inch

i.d. hose or flexible connector. User must

supplyhoseorflexibleconnector.Thelength

should be no more than 10 feet long. The

naturalgasmovesthroughtheregulatorand

out the nozzle.

The Ignition System: The piezo ignitor

lights the pilot fuel supply.

The Automatic Control System: The

automatic control valve shuts off the heater

if the flame goes out.

1. Remove all packing items applied to

heater for shipment. Keep plastic cover

caps(attached to valveinlet)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.

4. Hose not included. User must supply

hose or flexible connector.

UNPACKING

SAFETY

INFORMATION

WARNING: FIRE, BURN, IN-

HALATION, AND EXPLOSION

HAZARD.KEEPSOLIDCOMBUS-

TIBLES,SUCHASBUILDINGMA-

TERIALS, PAPER OR CARD-

BOARD, A SAFE DISTANCE

AWAY FROM THE HEATER AS

RECOMMENDED BY THE IN-

STRUCTIONS. NEVER USE THE

HEATER IN SPACES WHICH DO

ORMAYCONTAINVOLATILEOR

AIRBORNECOMBUSTIBLES,OR

PRODUCTS SUCH AS GASO-

LINE, SOLVENTS, PAINT THIN-

NER, DUST PARTICLES OR UN-

KNOWN CHEMICALS.

WARNING: NOT FOR HOME

OR RECREATIONAL VEHICLE

USE.

Theheater isdesigned foruseasaconstruc-

tionheater in accordancewithANSI Z83.7/

CGA 2.14. Other standards govern the use

of fuel gases and heating products for spe-

cific uses. Your local authority can advise

you about these. The primary purpose of

constructionheatersistoprovidetemporary

heating of buildings under construction, al-

teration or repair. Properly used, the heater

providessafe economical heating.Products

ofcombustionareventedintotheareabeing

heated.

We cannot foresee every use which may be

made of our heaters. CHECK WITH

YOUR LOCAL FIRE SAFETY AU-

THORITYIFYOUHAVEQUESTIONS

ABOUT HEATER USE.

Otherstandardsgoverntheuseoffuelgases

and heat producing products for specific

uses. Your local authorities can advise you

about these.

Carbon Monoxide Poisoning: Some

peoplearemore affected by carbon monox-

ide than others. Early signs of carbon mon-

oxidepoisoningresembletheﬂu,withhead-

aches,dizziness,and/ornausea.Ifyouhave

these signs, the heater may not be working

properly. Get fresh air at once! Check for

properventilationandhaveheaterserviced.

WARNING ICON G 001

WARNINGS

Natural Gas: Natural gas has a distinctive

odor. This odor helps you detect a natural

gasleak.However,theodormayfade.Natu-

ral 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. Fol-

low all local ordinances and codes. In

the absence of local ordinances and

codes, refer to the National Fuel Gas

CodeHandbook,NFPA54/ANSIZ223.1

and the Natural Gas Installation Code,

CAN/CGAB149.2.Thisinstructs on the

safestorageand handling of flammable

gases.

• Use only with natural gas. Do not at-

tempt to use with LP gas.

• Provide adequate ventilation. Before

using heater, provide at least a three-

square-foot opening of fresh, outside

air for each 100,000 Btu/Hr of rating.

Thisheaterproducescarbonmonoxide,

which is listed by the State of Califor-

niaasa reproductive toxin under Propo-

sition 65.

• For indoor use only. Do not use heater

outdoors.

• Do not use heater in occupied dwell-

ings or in living or sleeping quarters.

• Do not use heater below ground level.

• Keepapplianceareaclearandfree from

combustible materials, gasoline, paint

thinner, and other flammable vapors

and liquids. Do not use heater in areas

with high dust content.

• Minimum heater clearances from

combustible materials:

Sides: 6 Ft. Top: 5 Ft.

• Check heater for damage before each

use. Do not use a damaged heater.

• Check hose (if used) before each use

of heater. If highly worn or cut, replace

before using heater.

• Locate heater on stable and level sur-

face if heater is hot or operating.

• Not intended for use on finished floors.

• Never block air inlet (bottom of shell)

or air outlet (top of shell) of heater.

• Keep heater away from strong drafts,

water spray, rain, or dripping water.

• Keep children and animals away from

heater.

• Do not leave heater unattended.

• Never move, handle, or service a hot

or operating heater. Severe burns may

result. You must wait 20 minutes after

turning heater off.

• To prevent injury, wear gloves when

handling heater.

• Never attach duct work to heater.

• Do not alter heater. Keep heater in its

original state.

• Do not use heater if altered.

• Turn off natural gas 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.Improperreplacement parts could

cause serious or fatal injuries.

3

104131

OWNER’S MANUAL

PRODUCT

IDENTIFICATION

NATURAL GAS

SUPPLY

Theusermustfurnishthenaturalgassupply

and the connections to the heater.

Regulate the natural gas supply down from

a minimum 6 inches water column to a

maximumof1/2psi.The naturalgassupply

capacity should be able to supply a mini-

mumof100cubicfeetof gas at pressure for

each heater connected to the system.

Consultyour naturalgas supplierfor proper

sizing of the natural gas supply lines.

Followalllocalordinancesandcodes.Inthe

absenceoflocalordinancesandcodes,refer

to the National Fuel Gas Code Handbook,

NFPA54/ANSI Z223.1 and the Natural gas

Installation Code, CAN/CGA B149.2.

VENTILATION

WARNING: Provide at least a

3 square foot opening of fresh,

outside air while running heater.

If proper fresh, outside air venti-

lation is not provided, carbon

monoxide poisoning can occur.

Provide proper fresh, outside air

ventilationbeforerunningheater.

FRESH OUTSIDE AIR OPENING

REQUIREMENTS

HEATER SQUARE FOOT

SIZE OPENING

100,000 Btu/Hr 3.0

SPECIFICATIONS

Rating (Btu/Hr) 100,000

Fuel Natural Gas Only

Fuel Consumption

Cubic Feet/Hour 97

Supply Pressure (To Regulator)

Maximum 1/2 psi

Minimum 6" w.c.

Manifold Pressure 4" w.c.

Weight (Pounds) 23

Shipping Weight (Pounds) 27

Size - L x W x H (Inches) 16 x 16 x 29.5

Figure 1 - Product Identification

INSTALLATION

1. Provide natural gas supply system.

2. Install plumbing to alowpressurenatu-

ralgassource. Thesourcemustbe regu-

lated to 1/2 psi maximum. The plumb-

ing must be a minimum 3/4 inch i.d.

hose or flexible connector not over 10

feet long.

WARNING: Test all gas pip-

ing and connections for leaks

after installation or servicing.

Neveruseanopenflametocheck

for a leak. Apply a mixture of

liquidsoapandwatertoalljoints.

Bubbles forming show a leak.

Correct all leaks at once.

WARNING: Review and un-

derstand the warnings in the

SafetyInformationSection,page

2. They are needed to safely op-

erate this heater. Follow all local

codes when using this heater.

Figure 2 - Hose and Valve Inlet

Hose

Valve

Inlet

Ignitor Electode

Pilot Burner

Piezo Ignitor Button

Regulator

Automatic

Control Valve

Button

Base

Shell

Main Burner Tube

Nozzle

Top

Emitter

Valve Inlet

Thermocouple

Continued

4

104131

NATURAL GAS CONSTRUCTION HEATER

TC100RNG

TO STOP HEATER

1. Close valve on gas supply.

2. Turn control valve knob 1/4 turn to

right to PILOT position. Slightly push

inknobandturn 1/4 turn to righttoOFF

position (see Figure 6).

STORAGE

1. Place plastic cover cap over brass fit-

ting on inlet connector.

2. Store in dry, clean, and safe place.

3. When taking heater out of storage, al-

ways check inside of heater. Insects and

smallanimalsmay place foreign objects

inheater.Keep insideofheater freefrom

combustible and foreign objects.

CAUTION:Disconnectheater

from natural gas supply.

WARNING: Review and un-

derstand the warnings in the

SafetyInformationSection.They

are needed to safely operate this

heater. Follow all local codes

when using this heater.

WARNING:Neveruseanopen

flame to check for a leak. Apply a

mixture of liquid soap and water

to all joints. Bubbles forming

show a leak that must be cor-

rected. Correct all leaks at once.

TO START HEATER

1. Follow all installation, ventilation, and

safety information.

2. Locate heater on stable and level sur-

face. Make sure strong drafts do not

blow on heater.

3. Open gas supply slowly.

4. Turn control valve knob 1/4 turn to left

to PILOT position (see Figure 3).

OPERATION

Figure 5 - Control Valve Knob and

Piezo Ignitor Button Locations

3. Connect the hose to the heater at the 1/2

inch SAE flare fitting at the valve inlet.

Tighten all fittings with a wrench

4. Open natural gas supply valve slowly.

5. Check all connections for leaks.

6. Close natural gas supply valve.

Control Valve Knob

Piezo

Ignitor

Button

INSTALLATION

Continued

5. Push in and hold control valve knob

while pushing red piezo ignitor button.

Ignitor button may have to be pushed

again (3 to 8 times) until pilot lights.

Note:

Hose may be filled with air. If

so, allow 20 seconds for gas to reach

pilot before pushing ignitor button.

6. After pilot lights, keep control valve

knob depressed for at least 30 seconds,

then release.

7. If pilot light goes out, repeat steps 4

through 6.

8. When pilot remains lit, start heater by

slowly turning control valve knob 1/4

turnto left toONposition (see Figure4).

ON

FROM “PILOT” POSITION

SLIGHT PUSH TO

TURN OFF

FULL PUSH TO

LIGHT

OFF

PILOT

OFFON

Figure 3 - PILOT Position

PILOT

OFFON

ON

FROM “PILOT” POSITION

SLIGHT PUSH TO

TURN OFF

FULL PUSH TO

LIGHT

OFF

Figure 4 - ON Position

TO RESTART HEATER

1. Wait fiveminutes afterstopping heater.

2. Restart heater by following steps un-

der “To Start Heater.”

Figure 6 - OFF Position

PILOT

OFFON

ON

FROM “PILOT” POSITION

SLIGHT PUSH TO

TURN OFF

FULL PUSH TO

LIGHT

OFF

5

104131

OWNER’S MANUAL

MAINTENANCE

1. Keep heater clean. Clean heater annu-

ally or as needed to remove dust and

debris. If heater is dirty or dusty, clean

heater with a damp cloth.

2. Inspect heater before each use. Check

connections for leaks. Apply mixture

ofliquidsoapandwaterto connections.

Bubbles forming show a leak. Correct

all leaks at once.

3. Have heater inspectedyearlybya quali-

fied service agency.

4. Keep inside of heater free from com-

bustible and foreign objects.

WARNING: Never service

heater while it is connected to

gas supply, operating, or hot.

Severe burns can occur.

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 International’s Tech-

nical Service Department at 1-800-323-

5190.

When calling DESA International, have

ready

• your name

• your address

• model number of your heater

• how heater was malfunctioning

• purchase date

In most cases, we will ask you to return the

defective part to the factory.

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 fa-

tal injuries. This will also protect

yourwarrantycoveragefor parts

replaced under warranty.

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 or call DESA International’s Parts

Department at 1-800-972-7879 for referral

information.

When calling DESA International, have

ready

• model number of your heater

• the replacement part number

6

104131

NATURAL GAS CONSTRUCTION HEATER

TC100RNG

1

2

3

4

27

28

6

5

7

23

24

20

17

25

26

19 18

22

16

21

12

11

10

8

9

13 14

15

7

104131

OWNER’S MANUAL

PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the

instructions listed under Replacement Parts on page 5 of this manual.

KEY TC100RNG

NO. PART NO. DESCRIPTION QTY.

1 104145-01 Upper Disk 1

2 103897-01 Emitter 1

3 103898-01 Shell 1

4 104136-01 Base Assembly 1

5 103935-01 Rear Burner Shield 1

6 103900-01 Burner Shield 1

7 103901-01 Burner Support 1

8 099138-04 Nozzle 1

9 104114-01 Burner Tube Assembly 1

10 104118-01 Ignitor Electrode 1

11 097163-06 Pilot Burner Assembly 1

12 099237-01 Thermocouple Clip 1

13 097161-04 Pilot Burner Orifice 1

14 M5788 Compression Sleeve 4

15 M5787 Compression Nut 4

16 104121-01 Pilot Fuel Tube 1

17 104119-01 Control Valve 1

18 099461-01 Compression Gauge Tee 1

19 099460-01 Brass Hex Cap 1

20 103936-01 Regulator 1

21 099236-01 Thermocouple Kit 1

22 102445-01 Piezo Ignitor 1

23 103902-01 Leg 2

24 103903-01 Spacer 3

25 103401-01 1/2 NPT to 1/2 45˚ Male Flare Connector 1

26 104115-01 1/2 NPT to 1/4 NPT Reducer Bushing 1

27 104143-01 Pilot Shield 1

28 104116-01 Insulation Ring 1

PARTS AVAILABLE -- NOT SHOWN

104127-01 Information Decal 1

098853-09 Tradename Decal 1

8

104131

NATURAL GAS CONSTRUCTION HEATER

TC100RNG

SYMPTOM

Pilot fails to light.

Pilot lights but goes out

when control valve knob is

released.

Maximum burn rate is low;

emitter not glowing.

Soot forming inside heater,

flame 100% yellow.

Flames are extremely high.

Coming out of louvers

POSSIBLE CAUSE

1. Natural gas supply valve closed on gas supply.

2. Air in gas line.

3. Blockage in pilot orifice.

4. Piezo ignition system not sparking.

1. Not enough warm-up time.

2. Low gas pressure.

3. Thermocouple loose or needs to be replaced.

4. Control valve needs to be replaced.

1. Main burner valve not fully open.

2. Plugged gas orifices.

3. Low gas pressure.

1. Main burner valve not fully open.

2. Low gas pressure.

1. Unit was connected to LP gas instead of natu-

ral gas.

REMEDY

1. Open natural gas supply valve slowly.

2. Allow several minutes to purgeair with automatic

control valve button depressed.

3. Replace pilot orifice.

4. Adjust ignitor electrode gap to .120". 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 natural gas for proper gas supply.

3. Tighten connection or replace thermocouple.

4. Replace control valve.

1. Fully open main burner valve by turning the valve

handle towards ON position until it stops.

2. Replace gas orifice.

3. Consult natural gas supplier; check regulator

output.

1. Adjust main burner valve slowly towards ON

position.

2. Consult natural gas supplier.

1. Check gas source, replace with natural gas sup-

ply.

TROUBLESHOOTING

You may have further questions about this

heater. If so, contact DESA International’s

Technical Service Department at 1-800-

323-5190.

WARNING: Never service heater while it is connected to gas

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

9

104131

OWNER’S MANUAL

NOTES

_______________________________________________________________________________________________

10

104131

NATURAL GAS CONSTRUCTION HEATER

TC100RNG

NOTES

_______________________________________________________________________________________________

11

104131

OWNER’S MANUAL

NOTES

_______________________________________________________________________________________________

For information, write: DESA International, P.O. Box 90004

Bowling Green, Kentucky 42102-9004 ATTN: Customer Service Department

When writing, always include model number and serial number.

104131-01

Rev. C

10/97

DESA International 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 maintenance,

normalwear,alteration,modification,tampering,contaminatedfuels,repairusingimproperparts,orrepairbyanyoneother

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 PUR-

POSE.

DESA International 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

LIMITED WARRANTY

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 pre-

sented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workmanship. If so,

DESA International 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 specifi-

cations at any time without notice.

2701 Industrial Drive

P.O. Box 90004

Bowling Green, KY 42102-9004

Model

Serial No.

Date of Purchase

104131 01

NOT A UPC

Desa TC100RNG User manual

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