Val6 KBE5L Maintenance Manual

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Owner's manual (19 pages)

Owner's manual (44 pages)

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Page 1 VAL6 Infrared Heater KBE5S & KBE5L (2-step) Maintenance Manual...
Page 2 ■ Wiring Diagram of Burner Control ●KBE5S ●KBE5L 2-step ■ Sequence Time Chart ignition Operation Switch Igniter Solenoid Pump 5 sec. 180 sec. within 10 sec. 10 sec. (post ignition)
Page 3 PAGE# 1 Operation Flowchart KBE5S, KBE5L(2-step) MODEL: Remedy Possible Cause Put fuel into the tank Fuel is leaking ● Drain packing and/or bolt is damaged ● There is too much fuel in the tank Plug into the power supply Fuse blows out ●...
Page 4 PAGE# 2 Operation Flowchart KBE5S, KBE5L(2-step) MODEL: Remedy Possible Cause Misfire lamp is lit ● Terminals of control device is uncoupled (for KBE5L) (for KBE5S)*1 *1 KBE5S manufacturered from 2006 to 2013(Serial# J-04 to D-05) Overvoltage lamp is lit Direct sunlight hits flame monitor ●...
Page 5: Fuel Pump Is Idling With
PAGE# 3 Operation Flowchart KBE5S, KBE5L(2-step) MODEL: Remedy Possible Cause Fuel pump is idling with ● Fuel pump is inhaling remaining air in fuel line (especially brand-new heater or after refueling) ● Pump is inhaling air from the fittings of fuel line...
Page 6 Combustion is stable ● Nozzle is clogged ● Fuel pump is clogged or defective Combustion level can switch into High/Low (for KBE5L 2-step only) ● Change-over switch connector is loose connection ● Change-over switch is defective Smoke comes out Smoke is continuous Fuel viscosity is increasing ●...
Page 7: Normal Operation
PAGE# 5 Operation Flowchart KBE5S, KBE5L(2-step) MODEL: Remedy Possible Cause The unburnt component may come out under the temperature of Smell of fuel comes out combustion chamber is low right after ignition. This unburnt component causes odor. However this may stop within 3 minutes because the temperature of combustion chamber will increase.
Page 8: Transformer Coil Is Short-Circuited
VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy Fuel is leaking Drain packing and/or Remove fuel from tank Fuel leaks because of Replace a drain bolt is defective and take out a drain bolt. broken packing and/or...
Page 9 VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy At the time of turning on operation switch If value leads ∞Ω, the Fan motor is short- Disconnect fan connector Replace a fan motor circuited (CN 3) from circuit...
Page 10: Fuse Blows Out
VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy Heater cannot start up （heater does not operate at all with switching on) Operation lamp is not lit (No lamp is lit) If the value shows ∞V,...
Page 11 VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy 16 Circuit board (Burner Measure voltage at input If power source is Replace circuit control) is defective side of transformer normal and tester reads board (burner connector (CN 7)
Page 12: Transformer Is Defective
VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy Electrode is not sparking 24 Ignition transformer Connect connection connector (CN4) or of ignition high-voltage cord is transformer loose connection connector (CN4) or high-voltage cord 25 Electrode is defective Replace an electrode （abnormal electrode）...
Page 13: Fuel Line Is Clogged
VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy Fuel is not sprayed normally from the nozzle 33 Fuel line is clogged Clear the clog in fuel line 34 Fuel filter (element) is Check with eyes whether...
Page 14: Fuel Filter And/Or Nozzle Is Clogged By Thick Fuel
VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy 37 Fuel filter and/or Because of low Warm the fuel or nozzle is clogged by temperature, fuel mix kerosene with thick fuel viscosity increase and diesel. fuel filter and/or nozzle is...
Page 15: Nozzle Is Clogged
VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy 43 Flame monitor is Disconnect flame If the valu of resistance is Replace a flame defective monitor connector nonstandard, the flame monitor (CN11) from circuit monitor is defective...
Page 16 VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy Combustion stage can switch (for KBE5L 2-step only) 51 Change-over switch Plug change-over switch If it works normally, Plug in connector connector is loose connector (CN8) again,...
Page 17 VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy Heater produces BLACK smoke 56 Combustion air is Check whether a If the combustion fan Replace a insufficient combustion fan is run does not run, imperfect combustion fan...
Page 18 VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy Smell of fuel comes out 58 Combustion air is too Check whether air inlet If air inlet opening if too Narrow an air inlet much opening for combustion...
Page 19 VAL6 KBE5S & KBE5L Trouble Shooting Possible Cause How to check Result Remedy Electrode Nozzle ±0.5mm Electrode ±0.5mm ±0.5mm Drawing...
Page 20 How to restore the fuel flow If the heater produces a lot of black smoke, is difficult to fire or never ignites; please perform the following procedures before replacing the pump and/or nozzle. Make sure that the pump turns on (you can feel and hear the vibration). This will occur approximately 5 seconds after the switch has been turned on.
Page 21 Parts Connector No Lead Condition Resistance Remarks 0Ω Operation Switch Yellow－Yellow ∞Ω Change-over Switch High 0Ω Blue－Blue ∞Ω (KBE5L 2-step only) dark over 2MΩ Photo Cell CN11 Black－Black light under 10KΩ Red-White input about 350Ω Transformer Purple-Purple output about 9Ω...
Page 22 Picture 1 How to measure resistance How to measure voltage Picture 1 Picture 2 Pull out a connector which you will ① ① Operate the heater measure from burner control Turn on the circuit tester and set AC ② ② Turn on the circuit tester and set resistor voltage range range...
Page 23 Inspection surge absorber (SA1) Picture 4 Take out the burner control, and point the lead head at solder part of SA1 Inspection draft tube and fan Inspection fuse① Picture 5 Picture 6 Object Serial Number : till 01Q-020000 (2003/2004 model) whirl vane draft tube In case of draft tube and fan...
Page 24 Adjustment of air inlet for using the heater in high altitude Picture 9 If dark smoke comes out or flame protrudes from the radiation disk in using the heater in an altitude higher than 3,000 ft, you need to expand combustion air inlet opening.
Page 25: Inspection Of The Filter And Drainage Of Water From The Fuel Tank
Daily Inspection Inspection of the tank inlet filter Please remove the fuel cap and check if dirt/ dust sticks to the inlet filter If there are any dirt/dusts, remove the filter and wash it with fuel. Please restore the tank inlet filter, and tighten firmly the fuel cap.
Page 26: Inspection And Cleaning Of The Flame Monitor
Inspection and cleaning of the flame monitor Observations - When removing the flame monitor, hold it by its main assembly; do not pull out the cord. Remove the burner cover and pull out the flame monitor, and check whether or not its lens is dirty/foul.

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Val6 KBE5L Maintenance Manual

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