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Brant Radiant Heaters DX2-20-50 User Manual Download Page 39

39

DX2 

Series

Before field wiring this appliance - 

Check existing wiring; replace if necessary.

Note: 

 If any of the original wire supplied with the appliance must be replaced, it must be replaced with 

wiring material having a temperature rating of at least 105° C.

Figure 2.2 •  Internal Wiring Diagrams

A.

 Ladder Diagram - TP-351A

B.

 Block Diagram - TP-351A

 W

 R

BK

BK

BK

Ground

Neutral

Valve

Neutral

TH

Line1

SIC1

Probe

 W

BK

BK

BK

BK

BK

BR

 W

G

120VAC

N

L1

O

BK

 W

BK

Terminal Block

Pressure Switch

Indicator Lights

Blower

Burner

Igniter

Flame 
Rod

Ignition Module 

Gas Valve

S

IC

1

LI

N

E

1

N

E

U

T

GN

D

N

E

U

T

T

H

P

R

O

B

E

V

A

LV

E

BK

BK

BK

BK

G

BR

W

BK

BK

W

W

N

R

BK

O

BK

BK

120VAC

L1

Blower

Indicator Lights

Pressure Switch

Igniter

Ignition Module

Gas Valve

Flame Rod

BK

3.0

 Installation

 •

 Wiring

Summary of Contents for DX2-20-50

Page 1: ...pprobation de l installation Storage of gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance may result in fire or explosion Do not store or use gasoline or ot...

Page 2: ...end Accessory Configuration 19 Burner Control Box Suspension 21 Reflector Assembly 22 Baffle Assembly and Placement 24 Final Heater Assembly 25 Venting 26 Sidewall Horizontal Venting 27 Roof Vertical...

Page 3: ...ety installation operation and maintenance of the tube heater You must read and understand the instructions and safety warnings in this manual before installing the tube heater Additional literature o...

Page 4: ...150 000 41 0 22 8 190 235 15 to 27 Titan Alum 40 5 4 DX2 40 175 N or LP 175 000 41 0 22 8 190 N A 16 to 30 Titan Alum 40 5 4 DX2 50 100 N or LP 100 000 50 8 27 4 235 290 15 to 27 Alum Alum 50 6 2 DX2...

Page 5: ...installing or servicing this equipment Only trained qualified gas installation and service personnel may install or service this equipment Applications This is not an explosion proof heater No tube he...

Page 6: ...B149 2 and applicable Standards for Aircraft Hangars Guidelines In areas adjoining the aircraft storage area e g shops offices the bottom of heaters shall be installed no less than 8 ft 2 4 m above th...

Page 7: ...0 60Hz 4 8 1 1 MANIFOLD PRESSURE MIN INLET PRESSURE ORIFICE SIZE 3 5 WC 5 0 WC 19 D M S HEATER TYPE VERSION MIN MOUNTING ANGLE COMBUSTION CHAMBER 4 BC ALUMINUM FOR INDOOR USE BRANT RADIANT HEATERS LIM...

Page 8: ...LTS ONLY Note This heater has a 24 Volt control system Do not connect 120 volt power supply as it will damage the controls F N LLV3EP6 VALVE PS PRESSURE SWITCH V CAUTION KEEP COVER IN PLACE REMOVE FOR...

Page 9: ...Sprinkler heads Overhead doors and tracks Dirty contaminated environment Gas and electrical lines Combustible and explosive materials Chemical storage areas Areas of high chemical fume concentrations...

Page 10: ...81 45 58 8 10 81 with 1 side shield 0 42 8 6 81 with 2 side shields 0 23 23 6 81 20 ft from burner 0 11 11 6 44 DX2 40 50 60 70 175 N P 0 34 34 6 92 45 63 8 10 92 with 1 side shield 0 50 8 6 92 with 2...

Page 11: ...Has the building s heat loss been evaluated Does the design meet the needs of the space Have recommended mounting heights been observed Have all clearance to combustibles situations been observed Is t...

Page 12: ...e Chart 3 1 Produces an uneven heat distribution Four burners 100 000 BTU each are placed in each corner Burner hotter ends direct heat to areas of highest heat demand Recommended mounting heights hav...

Page 13: ...Heater Rows ft Dimension B Maximum Distance Between Heaters and wall ft Dimension C Figure 3 3 Mounting Height Dimensions see Chart 3 1 for dimensions Dimension A Dimension B Distance between heater...

Page 14: ...ombustion chamber as the first tube downstream of the burner control box 2 Mark locations for hanging points NOTE If the available hanging points do not allow for the recommended spacing then addition...

Page 15: ...ed on the swaged end of the tube s Stainless Steel Tube Clamp 175 200 MBH models only Refer to page 18 for U bend configuration dimensions Model requires 5EA SUB accessory package when installing in a...

Page 16: ...it is securely attached NOTE Threaded rod and turnbuckles may be used 6 Attach hangers to chains Adjust chain lengths until radiant tubing is level and equal weight distribution is achieved Chains mus...

Page 17: ...45 degree angle with two suspension points using two Brass Knuckle P N BK fittings 1 double loop chains and S hooks U Tubes can be mounted from a single suspension point using a Single Mounting Brack...

Page 18: ...3 8 Attach Hangers Figure 3 9 Attach Tube Clamps Hanger Welded seam faces down Swaged End Tube Clamp Radiant Tube IMPORTANT 175 000 to 200 000 BTU h models must be installed with a stainless steel tu...

Page 19: ...st 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 wi...

Page 20: ...ions for Heaters Configured With U Bend P N TF1B Elbow can be set in both directions Tube Clamp Tube Clamp Dimension A Dimension B P N TF1B 4 P N E6 4 8 Model Tube Length Dimension B Notes 20 ft 13 0...

Page 21: ...clamp screw hook or other type of suspension anchor to hanging point 3 Attach S hook and 1 double loop chain P N THCS to anchor Check that it is securely connected 4 Attach chain assemblies and S hook...

Page 22: ...20 3 20 3 22 9 35 6 20 3 20 3 40 6 50 8 20 3 20 3 50 8 17 8 61 20 3 20 3 58 4 86 4 20 3 20 3 76 2 104 1 20 3 20 3 76 2 27 9 22 9 99 1 73 7 22 9 22 9 99 1 73 7 22 9 22 9 99 1 73 7 22 9 35 6 99 1 73 7 4...

Page 23: ...nal Accessories Reflector Accessory Description Part Number Reflectors cannot be rotated when used with a reflector elbow RE U shaped reflector RU or side shield SSE Refer to the Clearance to Combusti...

Page 24: ...ure 3 19 Assembling the Baffles Figure 3 20 Inserting the Baffles To insert the baffles Insert baffles with the keyhole end first 2 Rotate baffle assembly so that it is in the vertical position 3 Slid...

Page 25: ...Foot Final Heater Assembly A secondary combustion chamber is installed as the second tube downstream from the burner control box on 150 000 to 200 000 BTU h models Refer to the Series Insert Manual f...

Page 26: ...single wall 26 gauge min galvanized steel vent pipe or Dura Connect single wall flexible exhaust vent must be used Maximum vent length for most models is 20 ft 6 m SV Series models have specific vent...

Page 27: ...prevent moisture from entering the heater system slope the vent pipe down toward the outlet 1 4 in per foot of length Do not pitch the heater Vent must extend beyond any combustible overhang if the v...

Page 28: ...be a minimum of 6 in 15 2 cm from the sidewall of the building Vent must be a minimum of 36 in below or extend beyond any combustible overhang Consult the NFPA ANSI Z223 1 Gas Vent Termination criter...

Page 29: ...in vent cap must be used Common vented heaters must be controlled with the same thermostat Do not operate individually Figure 3 25 Common Sidewall Venting Top View Double Wall B Vent Consult the NFPA...

Page 30: ...heater s Use of combustion air intake WARNING Not for residential use The use of unvented tube heaters in residential indoor spaces may result in property damage serious injury or death Use unvented...

Page 31: ...Vertical Outside Air Supply for Single Heater Intake Side View Figure 3 28 Horizontal Outside Air Supply for Single Heater Intake Side View Figure 3 29 Vertical Outside Air Supply for Common Intake Si...

Page 32: ...and comparable to a new pipe Test all gas supply lines in accordance with local codes Air Intake Duct Size Max Intake Length Duct Size Max Intake Length General No more than two 90 degree elbows are a...

Page 33: ...accessible It may not be concealed within or run through any wall floor or partition When installing the heater in a corrosive environment or near corrosive substances use a gas connector suitable for...

Page 34: ...r control box inlet Seal the joints NOTE Excessive torque on the manifold may misalign the orifice Always use two wrenches to tighten mating pipe connections Final assembly must be tested for gas leak...

Page 35: ...ed 14 Inches W C to the appliance Ball Valve Inlet Tap 7 14 Type 1 Hose Gas Connector formed into a U bend Adapter Drip Leg Sediment Trap Heater Movement Elbow Burner Control Box Side View Adapter Elb...

Page 36: ...150 000 2 1 2 63 5 50 15 3 175 000 2 3 4 69 9 50 15 3 200 000 2 3 4 69 9 60 18 3 125 000 2 50 8 60 18 3 150 000 2 1 2 63 5 60 18 3 175 000 2 3 4 69 9 60 18 3 200 000 2 3 4 69 9 70 21 4 175 000 2 3 4 6...

Page 37: ...erstand the installation operating and maintenance instructions thoroughly before installing or servicing this equipment Only trained qualified gas installation and service personnel may install or se...

Page 38: ...the United States refer to the most current revisions to the ANSI NFPA 70 Standard and in Canada refer to the most current revisions to the CSA C22 1 Part I Standard Wiring Figure 2 1 Field Wiring Di...

Page 39: ...ing Diagrams A Ladder Diagram TP 351A B Block Diagram TP 351A W R BK BK BK Ground Neutral Valve Neutral TH Line1 SIC1 Probe W BK BK BK BK BK BR W G 120VAC N L1 O BK W BK Terminal Block Pressure Switch...

Page 40: ...Ground Neutral Valve Neutral TH Line1 SIC1 Probe G BK 24VAC BK BK BR BK BK W L1 120VAC N BK O BK W BK Ignition Module Pressure Switch Indicator Lights Blower Burner Igniter Flame Rod Terminal Block T...

Page 41: ...tely acts to reignite the gas air mixture identical to the starting sequence If flame sense is not established within 8 5 seconds the heater will attempt two 2 additional ignition sequences before pro...

Page 42: ...2 Indicates Pressure Switch Closes Operational Indicator Lights Operational Indicator Lights The externally located operational indicator lights are provided to assist in troubleshooting of the heate...

Page 43: ...e or repair Lower inlet pressure Loss of heater efficiency Low gas pressure Dirty or restricted orifice Foreign matter inside burner Unit cycles on and off Reflector is dirty Reflector not in place Cl...

Page 44: ...the electrical problem between panel and heater No Yes Remove obstruction and lubricate fan No Yes Does the switch light energize Yes Is the light burnt out If so replace No No Yes Remove obstruction...

Page 45: ...Does the light energize DX2 Series Key Start Question Process Question Corrective Action Yes No The fan is faulty and must be replaced Correct wiring Repair No Yes Yes Replace faulty light No Replace...

Page 46: ...econds and then shut off Does the burner come on and turn off immediately 1 or 2 seconds Check to make sure gas pressure is within minimum and maximum inputs as indicated on the burner rating plate Is...

Page 47: ...eater than 7 microamps Check to make sure flame sensor wire is OK If so then replace circuit board Sensing rod is faulty or flame is weak Check to make sure heater is operating at proper gas pressure...

Page 48: ...tions If dirt becomes a problem installation of outside air intake ducts for combustion is recommended Combustion air intake system when applicable Check for blockage and or leakage Check the outside...

Page 49: ...49 DX2 Series This page intentionally left blank...

Page 50: ...ulator Baffle TP 11 TP 11 Glo Bar Ignitor Box TP 66 TP 66 2 x 4 Outlet Box TP 12 TP 12 Glo Bar Ignitor Box Cover TP 67 TP 67 2 x 4 Outlet Box Cover TP 13 TP 13 8 x 1 2 Self Drilling Screw TP 70 TP 70...

Page 51: ...ound Screw TP 218 TP 218 Differential Switch Vinyl Sensing Tube exhaust TP 351A TP 78DUA Potted Circuit Board TP 219 TP 219 Differential Vinyl Sensing Tube burner TP 352A DU 78B Circuit Board Wiring H...

Page 52: ...ncidental damages is expressly disclaimed Brant Radiant Heaters Limited s liability in all events is limited to and shall not exceed the purchase price paid Warranty Disclaimer Brant Radiant Heaters L...

Page 53: ..._____________________________________________________________ ___________________________________________________________________________________ ______________________________________________________...

Page 54: ...idential spaces may result in property damage asphyxiation serious injury or death Consult your local fire marshall and or insurance carrier if unsure of your application Interdit pour usage r sidenti...

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