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104131

OWNER’S MANUAL

PRODUCT
IDENTIFICATION

NATURAL GAS
SUPPLY

The user must furnish the natural gas supply
and the connections to the heater.

Regulate the natural gas supply down from
a minimum 6 inches water column to a
maximum of 1/2 psi. The natural gas supply
capacity should be able to supply a mini-
mum of 100 cubic feet of gas at pressure for
each heater connected to the system.

Consult your natural gas supplier for proper
sizing of the natural gas supply lines.

Follow all local ordinances and codes. In the
absence of local ordinances and codes, 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
ventilation before running heater.

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 a low pressure natu-
ral gas source. The source must be 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.
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.

 WARNING: Review and un-

derstand the warnings in the
Safety Information Section, 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

Summary of Contents for TC100RNG

Page 1: ...NG 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...

Page 2: ...once Check for proper ventilation and have heater serviced 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 I...

Page 3: ...ING 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 a low pressure n...

Page 4: ...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 Continue...

Page 5: ...ntral 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 ...

Page 6: ...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 ...

Page 7: ...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...

Page 8: ...alve slowly 2 Allow several minutes to purge air 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...

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Page 12: ...RRANTIES 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 var...

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