L.B. White CP155 Owner'S Manual And Instructions Download Page 26

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Electrical Connection and Ladder Diagrams

CAUTION - REFER TO THE HEATER'S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING

TO AVOID WIRING ERRORS & HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.

WARNING: THIS HEATER MAY START AT ANY TIME

DIRECT SPARK

IGNITION CONTROL

BACKFLASH

SWITCH

AIR PROVING

SWITCH

RED

BLACK

BLUE

WHITE

GREEN

RED

BLACK

BLUE

GREEN

THERMOSTAT

CASE

GROUND

POWER CORD

ON/OFF

SWITCH

GREEN/YELLOW

IF APPLICABLE

CASE

GROUND

BURNER

GROUND

MOTOR

WHITE

SOLENOID

DIRECT SENSE

IGNITER

BLACK

OR RED

PSI

IND

PSO

GND

NEUT

VALVE

AIR PROVE

MOTOR

120 VAC

AIR PROVE

GROUND

ELECTRICAL CONNECTION DIAGRAM

ON/OFF

SWITCH

THERMOSTAT

SOLENOID

GROUND

NEUTRAL

MOTOR

BACKFLASH

SWITCH

DIRECT SPARK

IGNITION CONTROL

AIR PROVING

SWITCH

BURNER

GROUND

DIRECT SENSE

IGNITER

PSI

IND

PSO

GND

NEUT

VALVE

AIR PROVE
MOTOR

120 VAC

AIR PROVE

GROUND

IF ANY OF THE ORIGINAL WIRES AS SUPPLIED WITH THE HEATER MUST BE REPLACED, IT MUST BE

REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 302ºF (150ºC)

ELECTRICAL LADDER DIAGRAM

CAUTION - REFER TO THE HEATER'S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING

TO AVOID WIRING ERRORS & HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.

WARNING: THIS HEATER MAY START AT ANY TIME

DIRECT SPARK

IGNITION CONTROL

BACKFLASH

SWITCH

AIR PROVING

SWITCH

RED

BLACK

BLUE

WHITE

GREEN

L.E.D.

RED

BLACK

BLUE

GREEN

THERMOSTAT

CASE

GROUND

POWER CORD

ON/OFF

SWITCH

GREEN/YELLOW

IF APPLICABLE

CASE

GROUND

BURNER

GROUND

MOTOR

WHITE

SOLENOID

DIRECT SENSE

IGNITER

BLACK

OR RED

L.E.D.

PSI

IND

PSO

GND

NEUT

VALVE

AIR PROVE

MOTOR

120 VAC

AIR PROVE

GROUND

ON/OFF

SWITCH

THERMOSTAT

SOLENOID

GROUND

NEUTRAL

MOTOR

BACKFLASH

SWITCH

L.E.D.

DIRECT SPARK

IGNITION CONTROL

AIR PROVING

SWITCH

BURNER

GROUND

DIRECT SENSE

IGNITER

PSI

IND

PSO

GND

NEUT

VALVE

AIR PROVE
MOTOR

120 VAC

AIR PROVE

GROUND

L.E.D.

IF ANY OF THE ORIGINAL WIRES AS SUPPLIED WITH THE HEATER MUST BE REPLACED, IT MUST BE

REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 302ºF (150ºC)

ELECTRICAL LADDER DIAGRAM

ELECTRICAL CONNECTION DIAGRAM

TRADESMAN 155

TRADESMAN 155 ULTRA

Summary of Contents for CP155

Page 1: ...Owner s Manual and Instructions Tradesman Construction Heaters ATTENTION ALL USERS This heater has been tested and evaluated by C S A International in accordance with the requirements of Standard ANS...

Page 2: ......

Page 3: ...d to property damage personal injury or loss of life GENERAL HAZARD WARNING Failure to comply with the precautions and instructions provided with this heater can result in Death Serious bodily injury...

Page 4: ...des all options and accessories commonly used on this heater When calling for technical service assistance or for other specific information always have model number configuration number and serial nu...

Page 5: ...NG CONTINUOUS OPERATION Fuel Consumption Per Hour Inlet Gas Supply Pressure Acceptable at the Inlet of the Heater for Purpose of Input Adjustment MAX MIN 10 ft 115 60 1 Heater Specifications Fuel Type...

Page 6: ...olorless and the intensity of its odor can fade under some circumstances If there is an underground leak the movement of gas through the soil can filter the odorant Propane gas odor may differ in inte...

Page 7: ...on 6 For safety this heater is equipped with an auto reset backflash switch and an air proving switch Never operate the heater with any safety device that has been bypassed Do not operate this heater...

Page 8: ...g is performed as follows Check all pipe connections hose connections fittings and adapters upstream of the gas control with approved gas leak detectors In the event a gas leak is detected check the c...

Page 9: ...plication If you are in doubt contact the L B White Co Inc 13 The heater must be installed so as not to interfere with or obstruct normal exits emergency exits doors and walkways 14 Railing fencing or...

Page 10: ...mpound suitable for use with L P gas or natural gas on the threaded connections 2 At the inlet of the regulator is a male nut and stem called a POL assembly Remove the cap from the POL Insert POL stem...

Page 11: ...ion takes place 5 Do not exceed input rating provided on dataplate or manufacturer s recommended burner manifold pressure for size orifice used Ensure that the primary air supply to heater is open and...

Page 12: ...no cost A nominal charge will be applied for wiring diagrams Maintenance Instructions 1 Before cleaning shut off all gas supply valves and disconnect electrical supply 2 The heater should have dirt or...

Page 13: ...nate method for checking the components is to perform a continuity check 5 The air proving switch must not be jumpered If jumpered the ignition control will not allow heater operation Test the air pro...

Page 14: ...mounting bracket s tab is positioned in hole adjacent to mounting screw hole FIG 9 TESTING The switch should be tested annually 1 Remove the switch assembly Holding the switch by its bracket apply a s...

Page 15: ...ENT 1 Remove ignition cable from igniter See Fig 11 FIG 11 2 Holding the igniter at its hex reach in the heater s barrel and remove the igniter s mounting nut See Fig 12 When replacing ensure ignitor...

Page 16: ...the barrel bottom See Fig 18 Guide the bulb down through the hole Handle the replacement thermostat carefully to prevent damage to the capillary and bulb FIG 18 THERMOSTAT IGNITION CONTROL 14 15 1 Re...

Page 17: ...With the heater operating the pressure gauge must read the pressures specified on the dataplate 2 Does the reading at the gas control valve agree with that specified on the dataplate If so then no fu...

Page 18: ...Components should be replaced only after each step has been completed and replacement is suggested in the flow chart Refer to the Servicing sections as necessary to obtain information on disassembly a...

Page 19: ...s Is Thermostat Above Room Temperature Set Thermostat Above Room Temperature Is Thermostat Defective Is 115 Volts Supplied to Heater Power Cord Provide 115 Volt Electrical Supply Check Circuit Breaker...

Page 20: ...air Air Proving Switch One Time Air proving Switch Contacts Are Closed before Fan Motor Starts Pattern Begins 5 Seconds After Condition Is Air Proving Switch Stuck Closed Check Continuity Is Airflow S...

Page 21: ...ive Motor or Capacitor Replace Motor or Capacitor Is Ignition Control Module Sending Proper Voltage to Switch Is Ignition Module Receiving Proper Voltage No No Is Proper Voltage Supplied to Heater Pow...

Page 22: ...gniter High Voltage Lead Connected No Is Ignitor Gap Positioned Properly No Reposition Igniter See Service Instructions No Connect High Voltage Lead Yes A Check High Voltage Lead For Continuity and Ti...

Page 23: ...ermostat Above Room Temperature No Yes Yes Is 115 Volts Supplied to Thermostat Defective On Off Switch Replace Is 115 Volts Supplied to Ignition Control Defective Thermostat Replace No No Yes Is 115 V...

Page 24: ...ied Are the Backflash Switch Contacts Closed Yes Does Gas Solenoid Valve Open Is Proper Voltage Supplied to Gas Valve Defective Wires or Connections If Good Rplace Ignition Control Defective Gas Valve...

Page 25: ...Clean Is High Voltage Lead Connected Refill Tank or Check Regulator No No Clear Obstructions to Inlet Maintain Clearances Check Circuit Breaker or Electrical Supply No Clean and Gap Igniter Replace if...

Page 26: ...G MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 302 F 150 C ELECTRICAL LADDER DIAGRAM CAUTION REFER TO THE HEATER S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING TO AVOID WIRING ERRORS HEATER MALFUN...

Page 27: ...ol Solenoid Valve House an electromagnet which is energized by voltage and opens to allow passage of gas to the burner orifice Gas Hose Flexible connector used to convey gas from supply line in buildi...

Page 28: ...27 PARTS SCHEMATIC Parts Identification...

Page 29: ...Compression 03879 20 Nut Compression 05772 21 Tube Formed Copper w Nuts and Sleeves 24641 22 Wire Red 18 in 24595 23 Direct Spark Ignition Control 24650 24 Screw Ignition Control 09043 25 Nut 86169 26...

Page 30: ...the end user Warranty is automatic if a component is found defective within 12 months of the date code marked on the part If the defect occurs more than 12 months later than the date code but within...

Page 31: ...defective parts replaced immediately The heater must be retested by properly qualified service personnel before placing the heater back into use...

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L.B. White CP155, Owner'S Manual And Instructions

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