background image

WARNING

!

4

CL3 

Series

1.0

 Introduction

 

 Safety Labels and Their Locations  

Safety Signs and Labels

Product safety signs or labels should be replaced by the product user when they no longer are legible.  

Contact either your local distributor or the product manufacturer for obtaining replacement signs or 

labels.

Read and understand all safety information and warnings in this manual before 

installation, operation, and maintenance of the radiant tube heater system.

24V

LOW

24V OUT

HIGH

- 24V HEATER OUTPUT -

F/N: LLV3EP4  

24 V Input (White 

crescent - without 

relay option)

NEUTRAL

EARTH

HOT

- 120V HEATER INPUT -

120V

NEUTRAL

EARTH

HOT

- 120V HEATER INPUT -

120V

LOW

NEUTRAL

HIGH

24V

- 24V HEATER INPUT -

F/N: LLAC 

Air Metering Orifice

Air Metering Orifice

DO NOT REMOVE

TP-114

TP-3014

3”

SAMPLE

SER

VICE 

ACCESS P

ANE

L

CONTROLS & GAS 

VA

LVE COMP

ARTMENT

 

1.

 Disconnect gas & electricit

y.

2.

 Remove four (4) thumbscrews

.

3.

 Remove top cove

r.

4.

 Swing hinged panel downward.

KEEP

 COVER IN PLACE. REMOVE FOR SER

VICE ONL

Y.

SER

VICE 

ACCESS P

ANE

L

IGNITER & FLAME SENSE COMP

ARTMEN

T

 

1.

 Disconnect gas & electricit

y.

2.

 Remove cover by lifting top 

    cover upward and outward

.

CAUTION

:

  

HOT SURF

ACE.

KEEP

 COVER IN PLACE. REMOVE FOR SER

VICE ON

LY

.

SER

VICE 

ACCESS P

ANE

L

F

AN COMP

ARTMENT

 

1.

 Disconnect gas & electricit

y.

2.

 Remove top cover (2 thumbscrews).

3.

 Remove tsix (6) 1/4” screws.

4.

 Lift and remove panel.

KEEP

 COVER IN PLACE. REMOVE FOR SE

RV
ICE ONL

Y.

Back Panel

Top Panel

Bottom Panel

F/N: LLTB018

 

(Natural Gas)

F/N: LLTB019

 

(Prop. Gas)

F/N: LLTCL006L, LLTCL019, LLTCL001R  

Clearances to Combustibles Labels

F/N: LLV3EP1

120V Input

F/N: LLV3EP14

(Operational Indicator Lights)

!

CLEARANCES TO COMBUSTIBLES (IN INCHES)

FIRE HAZARD

.  Always maintain published clearances to 

combustibles.  In locations used for the storage of 

combustible materials, signs must be posted. Consult 

manual for additional guidelines.

FRONT

SIDE

BEHIND

TOP

BELOW

DANGER

SIDE

SIDE

TOP

BELOW

0° MOUNTING ANGLE

45° MOUNTING ANGLE

FRONT

BEHIND

BELOW

TOP

0° W/1 SIDE SHIELD

BELOW

BEHIND

FRONT

TOP

0° W/2 SIDE SHIELDS

SIDE

SIDE

BELOW

TOP

IMPORTANT:

.

 *Use highest BTU output when determining clearances.  

Minimum end clearance for all models is 12 inches.  Maximum mounting 

angle is 45°.  Keep cover in place. 

LLTCL019-1M-12/18 (CDS)

50,000*

W/1 side shield
W/2 side shields
20 ft. from burner

45°



16
36
33

9
9

MODEL

BTU/H RANGE

MOUNTING

ANGLE

16

9
9
9
9

6

10

6
6
6

43
33
43
46
32

60,000 & 65,000*

W/1 side shield
W/2 side shields
20 ft. from burner

75,000*

W/1 side shield
W/2 side shields
20 ft. from burner

80,000 & 85,000*

W/1 side shield
W/2 side shields
20 ft. from burner

45°



45°



45°



16
36
33

9
9

16

9
9
9
9

6

10

6
6
6

43
33
43
46
32

16
36
33

9
9

16

9
9
9
9

6

10

6
6
6

43
33
43
46
32

16
36
33

9
9

16

9
9
9
9

6

10

6
6
6

43
33
43
46
32

!

WARNING

Improper installation, adjustment, 

alteration, service or maintenance 

can cause property damage, injury 

or death.

Read and understand the installation, operating 

and maintenance instructions thoroughly before 

installing or servicing this equipment.

12”

This heater must be installed and serviced by trained 

gas installation and service personnel only.
This is 

NOT 

an explosion-proof heater. 

DO NOT

 install 

in explosive environments. Where there is the 

possibility of exposure to flammable vapors or dusts, 

consult the local fire marshall, your insurance carrier or 

authorities for approval of the proposed installation.  

VENTING

. This heater must be properly vented 

according to the manufacturer’s specifications.

WARNING

: Operation of this heater, when 

not properly vented with an approved 

system, can result in carbon monoxide 

(CO) poisoning and possible death.

This heater requires 

FRESH COMBUSTION AIR

 for 

safe operation and must meet all provisions of the 

specified combustion and ventilation requirements.

GAS CONNECTION

. Allowances must be made for the 

system to expand. A flexible gas connection of approved 

type is required. Flexible stainless steel gas connectors 

installed in one plane, without sharp bends, kinks or 

twists is recommended. Consult manual for further 

instructions.

WARNING

: Connector must be installed in a “C” 

configuration. Use only the connector that was 

furnished with the heater.

Gas Pipe

Gas Flex 

Hose

Gas Flex Hose

Heater

Movement

45°

45°

F/N: LLLOGO32 

Logo Label

F/N: LLV3EP2 

24 V Input

(Orange crescent 

- with relay option)

Summary of Contents for CL3 Series

Page 1: ...his heater in indoor living or sleeping quarters etc Installation of a tube heater system in residential indoor living spaces may result in property damage serious injury asphyxiation or death CL3 Ser...

Page 2: ...le Assembly and Placement 22 Final Heater Assembly 23 Venting 24 Vertical Venting Category I 26 Horizontal Venting Category III 28 Common Venting Category I 30 Common Venting Category III 31 Optional...

Page 3: ...ht Length U Tube Length Standard Weight lbs Recommended Mounting Height Combustion Chamber Black Coated Radiant Emitter Tube s Black Coated CL3 30 65 Nat or Prop 65 50 Nat 55 Prop 31 5 17 9 185 11 to...

Page 4: ...t BTU output when determining clearances Minimum end clearance for all models is 12 inches Maximum mounting angle is 45 Keep cover in place LLTCL019 1M 12 18 CDS 50 000 W 1 side shield W 2 side shield...

Page 5: ...FOR PARTS LIST AND METHOD OF INSTALLATION AVOID EQUIPMENT FAILURE THIS 10 FT TUBE IS THE CNG LINED COMBUSTION CHAMBER THIS TUBE MUST BE THE FIRST TUBE FOLLOWING THE BURNER CONTROL BOX INSTALLER The co...

Page 6: ...oof heater No tube heater may be used in a Class 1 or Class 2 Explosive environment Consult your local fire marshal insurance carrier and other authorities for approval if the proposed installation is...

Page 7: ...in accordance with the latest edition of the Standard for Aircraft Hangars ANSI NFPA 409 In Canada refer to CAN CGA B149 1 and B149 2 In aircraft storage and servicing areas heaters shall be installe...

Page 8: ...Clearances to Combustibles A critical safety factor to consider before installation is the clearances to combustibles Clearance to combustibles is defined as the minimum distance you must have betwee...

Page 9: ...es per hour a minimum distance of 18 from the top of the heater to the ceiling is required Consult the factory for more information 0 Mounting Angle 45 Mounting Angle 0 Mounting Angle with 1 Side Shie...

Page 10: ...eral guidelines NFPA 30A NFPA 52 and all other applicable standards should also be consulted Contact the factory for more information When designing an infrared radiant heating system consider the fol...

Page 11: ...3 1 for dimensions Chart 3 1 Recommended Mounting Heights and Coverages NOTE This chart is provided as a guideline Actual conditions may dictate variation from this data Model Maximum Input BTU h Reco...

Page 12: ...elongated tube hanger TP 19E on the tapered CNG combustion tube with liner s 4 O D end The spacing between the burner control box mounting brackets and the 4 tube hanger should be 2 4 4 Mark location...

Page 13: ...82C Suspension Point Suspension Point Suspension Point Chart 3 2 Heater Mounting Requirements and Weights Refer to page 18 for U bend configuration dimensions Model Dimension Straight Configuration S...

Page 14: ...N THGHxx Pass the loop end of the cable through the hook Thread the other end through the loop the locking fastener the hanger and back up through the locking fastener Adjust to appropriate length NOT...

Page 15: ...ngle with two suspension points using two optional Brass Knuckle P N BK fittings 1 double loop chains and S hooks U Tubes can be mounted from a single suspension point using an optional Single Mountin...

Page 16: ...s and each subsequent tube will utilize one 1 hanger Refer to page 23 for tube installation sequence 2 Slide tube clamps onto radiant tubes see figure 3 7 Figure 3 6 Attach Hangers Figure 3 7 Attach T...

Page 17: ...haust end NOTE If it is difficult to mate the tubes they may be installed incorrectly 4 Center tube clamps over the seam where two radiant tube sections connect If necessary rotate tube clamps so they...

Page 18: ...ure 3 11 U Bend and Elbow Dimensions Chart 3 4 Overall Dimensions for Heaters Configured With U Bend Tube Length Dimension B Notes 30 ft 17 9 213 Requires P N 5EA SUB 40 ft 22 9 273 N A 50 ft 27 5 329...

Page 19: ...1 double loop chain P N THCS to anchor Check that it is securely connected 4 Attach chain assemblies and S hooks to mounting brackets on the burner control box Adjust chain lengths until level and in...

Page 20: ...ng sheet metal screws except at the expansion joint see page 23 NOTE Installer to supply sheet metal screws 4 Attach reflector end caps with polished finish inward to each end of the reflector run Sec...

Page 21: ...Detroit Radiant Products Company Tube Heater Accessory Guide or online at www detroitradiant com Figure 3 16 Reflector Shield Accessories 3 0 Installation Common Reflector Accessories Reflector Assemb...

Page 22: ...the baffle 90 to lock the baffle sections together 5 Repeat this process with all remaining baffle sections to complete assembly Figure 3 17 Assembling the Baffles Figure 3 18 Inserting the Baffles T...

Page 23: ...s 24 32 for complete venting information Final Heater Assembly Chart 3 6 Tube Installation Sequence Baffle Location and Secured Joints for Reflectors 30 Foot 40 Foot 50 Foot Double Swaged Radiant Tube...

Page 24: ...sion or other deficiencies that can cause hazards The vent pipe should be corrosion resistant galvanized steel of a thickness that meets the National Fuel Gas Code Minimum thickness for connectors var...

Page 25: ...n the venting system Have all vent pipe seams or connectors sealed with high temperature silicone sealant approved for at least 550 F field supplied and fastened together with at least three 3 corrosi...

Page 26: ...nted heaters that are Category I must be connected to a chimney or vent complying with a recognized standard or lined masonry or concrete chimney with a material acceptable to the authority having jur...

Page 27: ...223 1 Gas Vent Termination criteria if roof pitch exceeds 9 12 24 in Min Double Wall B Vent Roof Heater 1 in Minimum Clearance Use Attic Insulation Shield Field Supplied Fire Stop Spacer 8 Sheet Metal...

Page 28: ...provincial and local codes The venting system must be provided by the installer and should be comprised of single wall venting materials with a thickness of no less than 26 gauge All joints must be s...

Page 29: ...t to public walkways must terminate a minimum of 7 feet above grade level The vent cap must be a minimum of 6 inches from the sidewall of the building Vent must be a minimum of 36 inches below or exte...

Page 30: ...elbow installed within the common portion of the vent carrying system reduces the maximum common vent capacity by 10 Refer to NFPA 54 IFEC tables 11 2 and 11 3 for capacity The vent connector capaciti...

Page 31: ...m must follow all guidelines for Category III venting as listed on pages 28 29 The vent connector should be routed in the most direct route from the units to the common vent Where two or more vent con...

Page 32: ...with the electrical supply line to the heaters enabling both to function simultaneously The minimum clearance between the air intake and the exhaust terminal is 4 feet NOTE When installing in a U tube...

Page 33: ...ls such as chlorinated or fluorinated hydrocarbons typical sources are refrigerants solvents adhesives degreasers paints paint removers lubricants pesticides etc are present in the atmosphere High hum...

Page 34: ...2 90 directional changes elbows in the system Seal all joints with metallic tape or silicone sealant Wrap the tape two full turns around the vent pipe Slope air intake pipe inch per foot upward or dow...

Page 35: ...es heaters must utilize outside air for combustion Figure 3 25 Outside Combustion Air Vertical Intake Side View Figure 3 26 Outside Combustion Air Sidewall Intake Side View Non contaminated outside ai...

Page 36: ...In the United States refer to the latest edition of the ANSI Z223 1 NFPA 54 Standard and in Canada refer to the latest edition of the CAN CGA B149 1 Standard Supply gas piping to the unit should conf...

Page 37: ...atest edition or CSA B149 1 and B149 2 Support all gas piping with pipe hangers metal strapping or other suitable material Do not rely on the heater to support the gas pipe When connecting piping to t...

Page 38: ...nt Do not use the gas piping to electrically ground the heater Installation of the Gas Line to the Heater 1 Install a sediment trap drip leg in the supply line at the lowest spot prior to the gas ball...

Page 39: ...30 40 75 75 000 BTU h 3 5 5 0 74 4 CL3 30 40 50 80 80 000 BTU h 3 5 5 0 76 2 CL3 30 40 50 85 85 000 BTU h 3 5 5 0 81 0 Chart 3 9 allows for a 0 3 W C pressure drop in the supply pressure from the buil...

Page 40: ...controls must never exceed 14 W C 1 2 PSI Supply pressures greater than 14 W C can damage the controls resulting in personal injury property damage or death WARNING Testing for gas leaks with an open...

Page 41: ...is appliance check the existing wiring replace if necessary If any of the original wire supplied with the appliance must be replaced it must be replaced with copper wiring material having a rating of...

Page 42: ...upply for the unit ensure that it does not interfere or obstruct the heater s service panel Thermostat Connection NOTE Different thermostats operate according to their particular features Refer to the...

Page 43: ...e needed for thermostats that require constant power 24VAC N Low High EXTERNAL TRANSFORMER field supplied THERMOSTAT To 120VAC grounded outlet To 120VAC grounded outlet To 120VAC grounded outlet N Bur...

Page 44: ...properly grounded as per the National Electrical Code ANSI NFPA 70 or Canadian Electrical code CSA C22 1 Part 1 9 9 The unit is properly mounted to a permanent structure able to bear the weight of the...

Page 45: ...ly lights the burner This heater cannot be lighted manually Do not try to light the burner by hand Verify minimum inlet gas supply pressure 7 Turn on all other gas appliances that are on the same supp...

Page 46: ...ted manually Do not try to light the burner by hand Verify manifold pressure 7 After the unit has successfully ignited wait five minutes prior to taking any readings The heater must be in a steady sta...

Page 47: ...all of your tools 9 9 Leave the Installation Operation Maintenance and Parts Manual with the owner or end user Chart 3 10 Manifold Pressure Pressure Equivalents 1 W C equals 058 oz in2 equals 2 49 mb...

Page 48: ...2 m above MSL sea level in the United States Contact the factory for installations above these elevations WARNING Explosion hazard This heater must be converted by a trained gas installation and servi...

Page 49: ...he lowest setting 3 Turn OFF all electrical power to the appliance 4 Turn manual shutoff clockwise to OFF 5 Wait 5 minutes to clear out any gas If you smell gas STOP Follow the safety information foun...

Page 50: ...e to flow to a higher output single stage must be energized as well The thermostat determines which stage to maintain for the desired temperature Shut Down When the thermostat is satisfied the fan wil...

Page 51: ...sure switch error Some LED codes have a time delay before the LED will flash Some LED codes have a time delay before the LED will flash LED CODE FAULT STATUS FAULT CODE DELAY Initial flash on power up...

Page 52: ...and the 24 V terminal plug Repair the wiring between power in and transformer Yes No Yes No Yes Yes Does the igniter warm up and glow red Is the igniter physically damaged Replace igniter Check volta...

Page 53: ...24 V across the TH and ground terminals on the circuit board Correct wiring Is the circuit board sending 120 V to the fan Is the fan obstructed Remove ob struction Is the pressure switch stuck in the...

Page 54: ...ated on the heater s rating plate Is gas pressure OK Does the burner stay on for approximately 8 seconds and then shut off Does the burner come on and turn off immediately 1 or 2 seconds Check to make...

Page 55: ...em No No Yes Yes No Yes Purge gas line No Is there 24 V across the GROUND and HIGH HIGH to COM on heaters with optional isolation relays on the terminal strip located on the outside of the control box...

Page 56: ...1 2 Female Male Flare Fitting TP 17 Sight Glass Kit TP 85 1 2 Male Male Flare Fitting TP 19E 4 Elongated Wire Hanger with Tension Spring TP 105 Aluminum Reflector End Cap TP 20C 10 Aluminum Reflector...

Page 57: ...r Color Code GREEN TP 832 Thermostat Terminal Strip TP 3093 8 23 Cage Nut Qty 4 TP 851B 35 66 Diagnostic Circuit Board TP 3094A 8 32 x 1 2 Zinc Coated Steel Knurled Thumb Screw Qty 4 TP 1018 Different...

Page 58: ...he gas connection to the heater Check for leaks damage fatigue or corrosion Do not operate if repairs are necessary and turn off gas supply to the heater Contact service personnel To check gas tightne...

Page 59: ...passageways Burner Check for proper ignition burner flame and flame sense Flame should extend directly outward from burner without floating or lifting Wiring Check electrical connections for tightnes...

Page 60: ...60 CL3 Series Maintenance Log Date Maintenance Performed Replacement Parts Required 5 0 Maintenance Maintenance Log...

Page 61: ...61 CL3 Series Notes 5 0 Maintenance Notes...

Page 62: ...62 CL3 Series 5 0 Maintenance This page intentionally left blank...

Page 63: ...adiant Products Company has made a diligent effort to provide product information and illustrate the products in this literature accurately however such information and illustrations are for the sole...

Page 64: ...mply could result in personal injury asphyxiation death fire or property damage Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance In loc...

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