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Contents
Safety Instructions
Before using the boiler
How to use
The structure and its description
Room Thermostat
Room Thermostat On/Off
Room Temp. Mode
Heating Water Temp. Mode
Timer Mode
Power Heating Mode
Outing Mode
Setting Hot Water Temp.
Hot Water Mode
Remote Operation by telephone
Safety device
Everyday checking
How to install
Converter-CV2
Multi Floor System
Room Thermostat Installation
How to replace the parts
Electric wiring diagram
How to locate troubles and solve
Error code
The Specification
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5
7
10
11
12
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15
16
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Safety Instructions
4
Safety-related messages and instructions have been provided in this manual
and on boiler to warn you and others of a potential injury hazard.
Read and follow all safety messages and instructions throughout this manual.
It is very important to understand these safety section for operating,
installing and servicing of boiler.
This is safety alert symbol. It is used to alert you to potential
personal injury hazards.
Obey all safety messages that follow this symbol to avoid
possible injury or death.
Indicates an imminently hazardous situation which,
if not avoided, could result in severs injury or death.
DANGER
Indicates a potentially hazardous situation which,
if not avoided, could result severe injury or death.
WARNING
Indicates an imminently hazardous situation which,
if not avoided, could result in minor moderate injury.
CAUTION
Meaning of symbols
in the guide for use
Make ground
Dismantling
arbitrarily is forbidden
Use of fire
forbidden
Dangerous
electric current
Touching is
forbidden
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Before using the boiler
5
Checking points before starting up
It is essential to use only kerosen or light oil.
(Don’t use gasoline, alcohol)
It is better to use kerosene when the temperature
goes down below -5ఁ
In winter, don’t use the light-oil for summer.
Store in the Place where there is no eect
of oil, re, rain, and keep out of the sun.
Pay attention that water or dust may not
get in on time of feeding oil.
(Water or dust may cause the combustion
failure or shorten the boiler span.)
Wipe o the oil spilled.
Close the lid of the oil inlet without fail.
Feed oil after turning the power o and
locking the tank valve.
Check out if or not oil leaks in the
connecting part of the oil pipe.
Fuel
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Check out that there is enough water in
the body of the boiler without failure.
Expansion tank type-Check out if there is
water in the Expansion tank, and in case
that there is no water, please ll water in
the body of the boiler.
Open Expansion Tank type-check out if
there is water in the expansion tank, and in
case that there is on water, press the power
button. Then, ‘Low Water Level’ lamp turns on
and water is supplied automatically.
Notes when using
Put the surroundings of the boiler in order
and don’t put the ammables near the boiler.
Check out whether the ignition and
the combustion is normal.(Checking through
the ame inspection window.)
When the boiler is going to be not in use for
a long time, cut o the power.(Don’t pull out
the power cord when there is a danger of freezing.)
If you pull out the power plug on time of
thunder and lightening, you can prevent the
damage on the boiler by the falling of the
thunderbolts.
Be careful not to get burned due to the
high temperature of the exhaust/inhale pipe
(exhaust pipe).
In case of emergency such as you may feel
the abnormality of the boiler, cut o the
power.
Don’t use the hot water for food.
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How to use
How to exhaust
Be careful that the oil tank may not run out
of oil completely.
In that case, even though oil is supplied,
air may get in. As a result, ignition failure or
operation failure may occurs.
Untighten the screw for exhaust in the oil
lter by a screwdriver, the air goes out.
When oil ows out, please tighten it.
(This is possible only in case that the oil
tank is above the oil lter.)
If the oil tank is below the oil lter or the air
ows out enough like the above, lock the
screw for exhaust and remove the air with
the exhaust valve.
In such case, open the exhaust valve turn
the power on to operate the boiler.
After about 6-7 Seconds, the electronic
pump exhaust the air o with noise,
and “CHECK” lamp on, the boiler stops.
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Preparation and checking before starting to operate
Now press the power button on the panel
repeatedly, and the oil ows out.
Lock the valve and press the power button
again, and the boiler gets ignited.
In case that after removing air completely,
the igni-tion has failed repeatedly about
three times, contact the sales agency or the
commercial agency.
Open the drain valve, and check out whether
there is water in.
Check out whether the pipes is lled with water.
Check out that the boiler is grounded to
earth. (Don’t ground to the gas pipe or
a lightening conductor)
Plug the power plug in the outlet.
(Checking if the outlet power is 220V)
Press the power button, and check out if
“RUN” lamp turns on a little later.
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How to use
Open the window door of the Operation and
Display Panel and set the thermostat to the
position you like.
Pressing the power button starts fan motor
And the boiler gets started, turning the
“COMBUSTION” lamp on.
If ignition fails and the operation stops.
“check” lamp turns on, In this case, press the
power button on the panel.
In case that the ignition fails with pressing
the power button four or ve times, contact
the sales agency or the commercial agency.
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Heating temp.
LED indicate the temp.
of heating water, and
occurrence of trouble
displayed the failure code.
02. LOW WATER LEVEL
03. MISFIRE
04. PSEUDO-FLAME
05. TEMP. SENSOR FAILURE
12. MISFIRE IN COMBUSTION
16. BIMETAL OVERHEAT
The Structure of the boiler
(Model No : LST-17,21,24,30,41K / LFA-17,21,24,30,41K)
Operation and display panel (KDC-106M)
CONTROLLER
ELECTRONIC PUMP
OIL FILTER
PRE-HEATER
I.G TRANS
FLAME DETECTOR
(C.D.S)
The structure and its description
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LCD
Indicating each
function and status
LCD Display
Room Thermostat
Power ON/OFF
Power
Outing Setting Mode
Outing Mode
Temp. & Timer Mode
UP/DOWN
Select Mode
MODE
Hot Water Mode
Hot Water
Room Thermostat (LCR-2DW)
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Temperature
Timer
Heating
Operation
Indicator
Heating
Water Temp.
Hot water
Mode
Outing
Mode
Room Temp Power Heating
Hot Water
Temp. (3 Step)
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Room Thermostat On/Off
Press the power button.
LCD is on when pressing the power button.
Hot water and heating operation stops
and LCD is turned o when pressing
the power button again.
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Room Temp. Mode
Press the Mode button repeatedly,
until is displayed.
Set the heating temp.
with +/- button.
blinks when selecting
Room Temp. Mode
If a room thermostat is programmed with Room Temp. Mode
and it is placed in the following places when using Room Temp.
mode, it may cause some errors to recognize temperature.
CAUTION
1. Frequently opened and closed door and drafty place.
2. A place where direct sunlight is eected and high humidity.
3. A place under direct inuence from heat, such as radiator.
When blinks, set the desired
heating temp. between 10~40丯 by
adjusting +/- button, after a while,
it is automatically saved.
Heating temp. can be set by 1丯.
After the setting is done,
is on and current room temp.
is displayed.
In that case, Heating Water Temp. is recommended.
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blinks when selecting
Heating Water Temp. Mode
When blinks, set the desired
heating temp. between 40~80丯 by
adjusting +/- button, after a while,
it is automatically saved.
Heating temp. can be set by 1丯
After the setting is done,
is on and current heating water
temp. is displayed.
Press the Mode button repeatedly,
until is displayed.
Set the heating temp.
with +/- button.
Heating Water Temp. Mode
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