Xytronic LF-853D User manual

OPERATING MANUAL
FOR
LF-853D
Multi-Function
SMD Rework System

1
INTRODUCTION
Thank you for choosing XYTRONIC LF-853D Mu ti-Function S.M.D. Rework Station. This
unit is the best too for repairing work, combination with XYTRONIC LF-852D and LF-8800 which
is specia y designed for ead free so dering/deso dering, surface mount devices with temperature
contro ed hot air. The “3 in one” design ,save your working space. P ease read the operating manua
carefu y to maximize the advantages of using your new LF-853D mu ti-function SMD rework
station and keep this manua readi y accessib e for future reference.
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【 WARNING 】
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】 and 【
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【 CAUTION 】
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:: 【 ELECTRICAL SHCOK 】
Warning and Caution are positioned at critical points in the manual to draw the user’s
attention to significant safety concerns Be sure to comply with the following warnings and
cautions for your safety
This app iance is not intended for use by chi dren or other persons without assistance or supervision
if their physica , sensory or menta capabi ities prevent them from using it safe y. Chi dren shou d be
supervised to ensure that they do not p ay with app iance. Fai ure to observe the safety regu ation
wi resu t in a risk of ife and imb. The manufacturer sha not be iab e for damage resu ting from
misuse of the unit or unauthorized a terations.
1. Please unscrew the 4 screws under the bottom enclosure when the unit is used at the first
time (See the procedure on page1 )
2. Ensure the vo tage rating of the unit and your power supp y are identica prior to use.
3. Check carefu y of any damage during transportation.
4. Put the product on a safe and stab e working tab e. Tab e surface shou d be consisted of fire and
heat resistant materia due to the unit can reach very high temperature and potentia y dangerous.
5. During the operation, the heater is extreme y hot, and wi cause serious burns if contacted
exposed skin. Use g oves and/or any heat resistant too s to pick up the PCB assemb y to e iminate
the possibi ity of burns.
6. Do not use the product near combustib e gases or f ammab e materia s.
7. Turn the power switch OFF and a ow the heater to coo before checking or rep acing heater and
other parts, or prior to storing the unit.
8. Keep the app iance c ean. This may be used with a damp c oth using sma amount of iquid
detergent. Never submerse the unit in iquid or a ow any iquid to enter the station. Never use
any so vent to c ean the case.
9. This unit is designed for so dering/deso dering, hot air SMD rework and shou d not be used for
any other purpose without first consu ting the manufacturer or its authorized agent.
10. Keep the unit out of the reach of chi dren. Young chi dren shou d be supervised to ensure that

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they do not p ay with the app iance.
To prevent electrical shock, be sure to take the following precautions:
1. Make sure the unit is grounded. A ways connect power to a grounded receptac e.
2. Do not pressure the AC power cord. Be sure the work area is we venti ated.
3. Do not bump, hit, pour water/ iquids or otherwise subject the heating surface to
physica shock. This may damage the heater.
4. To iso ate the equipment from the mains before commencing repairs or making any maintenance
to avoid e ectric shock. This may resu t in Death or serious injury.
5. Do not expose the unit to moisture nor use the unit with wet hands.
6. Turn the power switch off and remove the AC power cord by pu ing the p ug (not the cab e) when
the unit wi remain unused for a onger period of time.
7. Do not modify the unit.
Warning
Soldering / Desoldering Function Warning
◆ A ways p ace the so dering & deso dering irons in its origina ho der when not being used.
◆ Keep the so dering and deso dering tip and heating e ement away from the body, c othes and
f ammab e materia when in operation.
◆ The so dering and deso dering tip and the heating e ement are sti remaining hot after being
switched off. Ensure that you do not touch the tips and the heating e ements.
◆ For your hea th, do not inha e so der fumes.
◆ You must not undertake work on ive parts. On y the technician is permitted to undertake repairs.
Use the origina rep acement part on y.
Hot Air Function Warning
● To last the life of the heating element, not recommend continuously using at low air flow
and high temperature Let the heating e ement be coo er after using a maximum 20 minutes.
Ensure that it is p aced back on its coo ing stand to coo down between rework operations. A so,
do not switch the hand too on whi e it is in the coo ing stand. Fail to comply with the
instructions may result in damage to the hand tool
● Do not aim the hot air at your eyes Do not a ow the hot air from the hand too to aim the eyes
as serious eye damage may occur.
● The hot air pencil can produce a lot of heat Do not a ow the heater and the nozz e to contact
exposed skin as burning may occur. To e iminate the possibi ity of burns, a ow time for the
equipment to coo before commencing maintenance.
● Death or serious injury may result from electric shock It is therefore essentia to iso ate the
equipment from the mains before commencing repairs.

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● Keep the hot air away from the body, clothes and flammable material when in operation
The nozz e meta is in a high temperature status, do not touch the nozz e! A ways rep ace the
hand too to its origina ho der when not being use. The nozz e and the heating e ement are sti
remaining hot after being switched off. Ensure that you do not touch them.
● Do not block the air outlet in full area of the nozzle, or it may cause the heat reflection and
damage the heating element
● Do not leave when the machine is on operating: Stare at the nozz e when the rework station is
on operating, so as not to burn your body or other objects. Turn off the machine and unp ug the
power cord when you are eaving and put the hot air hand e to the ho der in one side of the
machine. The nozz e is sti remaining hot after being switch off on some time. Ensure that you
do not touch the nozz e.
● Do not use if damaged: If the pump doesn’t work or the rework station becomes fau ty,
discontinue using immediate y. To comp y with safety standards, the pump or other part must
on y be rep aced by authorized technicians as specia purpose too s are required. On y the
technician is permitted undertake repairs. Use the origina rep acement part on y.
● Remember unplug in the power cord: The station must be switched off and the power cord
must be unp ug-in before rep acing the fuse in AC socket in rear side of the machine.
● Do not unp ug the power cord; when the power switch is turned off, the coo ing system wi
begin to work automatica y, the temperature fa s down to 100℃(212℉) to protect the heater,
remember that do not unp ug the power cord at this time unti the unit stop working.
PRODUCT FEATURES
◆ “3 in one” by design, saving working space, owning three function, can great y meet the users
need.
◆ With specia inte igent chip microcomputer contro design, doub e LED disp ay operating by
pressing keys, make it convenient and comfortab e operation.
◆ Se ection free for Fahrenheit and Centigrade (Ce sius) temperature.
◆ “Password se ection”: Temperature or air b ow by digita disp ay readout, easy to read. The
temperature can be ocked by “password” code that is convenient for production ine
management.
Soldering / Desoldering Function
◆ HEATER/SENSOR FAILED DETECTION: If sensor circuit fai ed that the disp ay reads “S--E”
and cut off the heater power. If heater circuit fai ed the disp ay wi read “H--E” and cut off the
heater power.
◆ TEMPERATUE “LOCK-OUT” FEATURE: The temperature can be ocked by “password” code
that is convenient for production ine management.
◆ ESD SAFE AND SPIKE FREE CIRCUITRY: The “Zero Vo tage” e ectronic switching design
a so protects vo tage and current sensitive components (CMOS devices, etc.) against damaging
current and transient vo tage spikes common y produced by ess efficient, mechanica y switched
stations.

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◆ DELAYED SUCTION: To e iminate the prob em of so der c ogging up the tip, a de ayed switch
feature has been incorporated for the unit that a ows the pump to continue sucking for 1.5
seconds after the actuator switch is re eased.
◆ LIGHTWEIGHT SOLDERING IRON: Ergonomic mini hand e that stays coo and prevents
operator fatigue.
◆ ENERGY SAVER MODE: If the station has been id e for 20 minutes, the energy
saver feature wi automatica y engage, the temperature goes down to 150℃ from the set
temperature for So dering and 200℃ from the set temperature for de-so dering Activating the
so der/deso der wands wi disengage the power saving feature and the unit wi immediate y
ramp up to the preset temperature. When over 40 minutes without operation the main power wi
be switched off to “s eep mode” which cuts power consumption and extends tip ife.
Please note: You have to turn off the power switch first and then switch “ON” again to
commence work when the unit goes to “S eep” mode.
◆ IRON WORKING OPTION: When the users don’t use the so dering or deso dering function ,or
they a so set by pressing keys “ SET + ▲”,at this time, the iron which you set wi enter the
power off suspend status. It means that the heater power is cut off. If press “▼”then the heater
power wi be on.
◆ OPTIONAL SMD TWEEZERS : The additiona feature is specia y designed for SMD chips,
SOT, F at pack ICs’ etc. reworking. TWZ90 Tweezers can be interchangeab e with so dering iron as
an option. Be sure before proceeding this operation, the main switch must be “OFF” to avoid any
damage to the unit.
Hot Air Funciton
◆ With the high power heating e ement, heat up quick y, the momentary power can reach 600W.
◆ Temperature adjustab e, suits for removing QFP, SOP, PLCC or SOJ chips etc.,
especia y the bui t in static free circuit design is safety for the sensitive e ements ike CMOS ICs.
◆ SENSOR /PUMP FAILED DETECTION: If sensor circuit fai ed that the disp ay read “S--E” and
cut off the heater power. If the pump circuit fai ed that the disp ay read ”P-E” and cut off the
heater power.
◆ Auto-coo ing design: When the power switch off, the coo ing system wi begin to work
automatica y, the temperature fa s down to 100℃(212℉) to protect the heating e ement from
burning ..
◆ Heating e ement auto-protecting function: When heating e ement reaching a high
temperature which can be protected automatica y, to asting the ife of heating e ement.

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SPECIFICATIONS
MODEL LF-853D mu ti-functon SMD rework system
Power Vo tage 220-240Vac 50Hz/ 100-120Vac 60Hz
Fuse (Fast type) 10A（Fast type） 15A（Fast type）
Power Consumption (Max) 900W
Weight 12kg
So dering
Power Consumption 100W
Temperature range SIA：150℃- 480℃（302℉- 896℉）
S eep Temperature 150℃（302℉）
Temperature correction range +99℃~ -99℃／+178℉~ -178℉
Defau t seting
150℃ (302℉)
F-1：“000”
F-2： “00”
F-3：“000”
F-4： “℃”
Deso dering
Power Consumption 170W
Temperature range DIA: 300℃- 450℃（572℉- 842℉）
S eep Temperature 200℃（392℉）
Temperature correction range +99℃~ -99℃／+178℉~ -178℉
Defau t seting
300℃ (572℉)
F-1：“000”
F-2： “00”
F-3：“000”
F-4： “℃”
Hot Air
Power Consumption 600W
Air F ow 1.5 L / Min - 40L / Max
Temperature range 100℃- 480℃／212℉- 896℉
Air range 10-99
Defau t seting
F-1：“000”
F-2：“℃”
Temperature100 Air 10

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BRIEF INTRODUCTION OF PANEL FUNCTIONS:
Front panel
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1 Main power switch
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2SIA /TWZ socket
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3 HAP: Hot air fitting
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4 DIA: Desolder/HAP wand socket
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5 VAC: Desoldering vacuum
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6 Hot air pencil inlet
Soldering Function Part
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7 “▲”: Temperature increasing (UP)
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8 “▼”: Temperature decreasing (Down)
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9 Temp Display
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10 Heat indicating light
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11 “SET”: Function key
Desoldering Function Part
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12 “▲”: Temperature increasing (UP)
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13 “▼”: Temperature decreasing(Down)
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14 Temp Display
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15 Heat indicating light
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16 “SET”: Function key
Hot Air Function Part
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17 “▲”: Temperature increasing (UP)
○
18 “▼”: Temperature decreasing(Down)
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19 Temp Display
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20 Heat indicating light
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21 “SET”: Function key
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22 “▲”: Hot air blow (UP)
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23 Air blow display
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24 “▼”: Hot air blow (DOWN)

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FUNCTION INTRODUCTION
Soldering /desoldering function introduction
(Both so dering and deso dering function can be set in the same way.)
TEMPERATURE SETTING: (No password set)
1. Increase temperature: By pressing “▲” key one time, the digita wi be increase “1” numera . If
pressing “▲” key over 2 seconds then the digita numera s wi be forwarded counting
continuous y ti the temperature up to what you desire to set.
2. Decrease temperature: By pressing“▼” key, the same procedure as above.
PARAMETER SETTING:
1. Press “SET” key and ho d for at east 5 seconds unti disp ay shows“— — —” sign then re ease
the “SET” key. The sign “— — —” starts to f ash and reminding the user to input the mode ock
password “010” (fixed). If the user inputs the same number as “010”, the unit wi enter the
modes se ection procedure, otherwise, the unit wi be back from the current mode automatica y.
2. After the unit enters the Modes se ection, the LED wi disp ay “F-0”and f ash. Press “▲”or “▼”
key to se ect modes. If the user doesn’t press “▲” or “▼” key within 15 seconds or press “SET”
key one time, then the unit wi be immediate y back from the Parameter Set status.
For examp e: F-0 → F-1 → F-2 → F-3 →F-4
↑ ↓
← ← ← ← ←
3. Password Setting:
When the LED disp ays “F-1” and f ashes, press “SET” key one time and the unit enters the
Password Set status. At this moment, the LED disp ays the pre-set va ue. Press “▲” or “▼” key
to change password set va ue. If the user sets “000” that means the unit wi be under the status
of no password. If the user sets “100” then means the unit wi be under the password status.
Press “SET” key once to finish password setting and the unit wi backup mode, the user can
continue set other modes or back from the setting mode.
4. Temperature Correction Setting:
Press “SET” key once when the LED disp ays “F-2” and f ashes that the unit enters the
Temperature Correction Mode. At this moment, the LED disp ays preset correction va ue.
A: Operation of Centigrade temperature correction（+99℃~-99℃）:
Press “▲” or “▼” key to change the temperature correction va ue. The first digit “— ” means
minus (actua temperature is down), “No disp ay” means p us (actua temperature is up).
B: Operation of Fahrenheit temperature correction va ue（+178℉~-178℉）:
Press “▲” or “▼” key to change the temperature correction va ue. The first digit “— ” means
minus (actua temperature is down), “No disp ay” means p us. Press “SET” key once to finish
the temperature correction and the unit automatica y backup mode. The user may continue set
other modes or back from the current setting mode.

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Examp e for temperature correction: The current set temperature va ue is 300℃, however, the
actua temperature is on y 290℃. So it needs to correct by +10℃. Correction method: if the
current correction va ue is 00 or -00; then change it to 10. If the current correction va ue is -20,
then change it to -10. If the current correction va ue is 20, then change it to 30.
5. S eep Mode Set:
Press “SET” key one time when the LED disp ays “F-3” and f ashes, the unit enters the S eep
mode status. At this moment, the LED disp ays the pre-set va ue. Press “▲” or “▼” key to
change the set va ue. If set va ue reads “000” that means the unit set in “S eep” mode re easing
status. If the disp ay read “100” that means the unit set in “S eep” mode. Press “SET” key once
to finish the s eep mode setting, then the unit automatica y backup. The user may continue set
other modes or back from current set mode.
 Please note the manufacturer original design will keep in “Free” status without setting
“Sleep” mode
6. Wake-up method:
① Temperature Down Suspend: If the unit is set at S eep mode function, after 20min
id eness, the system wi enter the s eep mode automatica y, the temperature of so dering wi go
down to 150℃ (302 ℉) / and the LED disp ays at “ 150” and f ashes, the temperature of
deso dering wi go down to 200℃ (392 ℉) and the LED disp ays at “ 200” and f ashes .
Activating the so der wand wi disengage the suspend status and the unit wi immediate y ramp
up to the preset temperature.
There are three methods to wake-up the Temperature Down Suspend.
a.Ⅰ So dering: Pick up the so der wand 210ESD and shake it gent y.
Ⅱ Deso dering: Pick up the so der wand and press the red suction button on the
DIA 100.
b. Press any key of the unit.
c. Turn off the main switch and restart.
○
2
Power off Suspend: If the unit enters the S eep mode over 40min without wake-up, the unit wi
enter automatica y the power off suspend status. It means the heater power wi be cut off and
the LED disp ays “— — —” and f ashes. You can wake it up by pressing “▼” key when you
reuse the iron or turn off the main switch and re-switch on.
7. Fahrenheit and Centigrade (Ce sius) temperature se ection
When temperature disp ay window shows "F-4" and b inking, press the "SET" button, at this
time ,the system enters the degrees Fahrenheit and Centigrade temperature se ection function,
indicating the temperature of the window shows the current status. Press "▲" or "▼" key to
change the temperature se ection status. It expressed as degrees Ce sius temperature va ue if set
to “℃”; it shows as degrees Fahrenheit temperature if set to ℉
WORKING TEMPERATURE
SOLDERING
To meet RoHS requirements, the common 60/40 ead so der a oys are not a owed in

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the production process. Lead free so der a oys require a working temperature of 30℃
(54℉) higher than previous generation e ectrica so dering. The working temperature of so der is
detai ed be ow and can vary from manufacture to manufacture.
Me ting point 220℃ (428℉)
Norma operation 300-360℃ (572-680℉)
Production ine operation 360-410℃ (680-770℉)
When the so dering iron’s working temperature is set within the parameters suitab e for the type of
so dering being used, a good joint assured. Too ow of a temperature wi s ow the rate of so der f ow
whi e a high temperature setting might burn the f ux in the so der and emit a heavy, white smoke
resu ting in a dry joint or permanent damage to the printed circuit board (P.C.B) and may a so shorten
tip ife.
IMPORTANT: The temperature above 410℃ (770℉) is not recommended for norma so dering
functions, but can be used for short periods of time when high temperatures are required.
DESOLDERING
Recommended tip working temperatures are detai ed be ow and can vary from joint to point.
Operation for sma joint 320℃ - 360℃ (608℉- 680℉)
Operation for arger joint 370℃ - 400℃ (698℉- 752℉)
Too ow of a temperature wi s ow the f ow rate of so der and may c og the tip. Too a high
temperature may burn the P.C.B.
Hot air function introduction
TEMPERATURE SETTING: (No password set)
1. Increase temperature: By pressing “▲” key one time, the digita wi be increase “1” numera . If
pressing “▲” key over 2 seconds then the digita numera s wi be forwarded counting
continuous y ti the temperature up to what you desire to set.
2. Decrease temperature: By pressing“▼” key, the same procedure as above.
AIR FLOW SETTING: (No password set)
1 Increase temperature: By pressing “▲” key one time, the digita wi be increase “5” numera . If
pressing “▲” key over 2 seconds then the digita numera s wi be forwarded counting
continuous y ti the temperature up to what you desire to set.
2. Decrease temperature: By pressing“▼” key, the same procedure as above.
PARAMETER SETTING:
1. Press “SET” key and ho d for at east 3 seconds unti disp ay shows“— — —”
sign then re ease the “SET” key. The sign “— — —” starts to f ash and reminding the user to input
the mode ock password “010” (fixed). If the user inputs the same number as “010”, the unit wi
enter the modes se ection procedure, otherwise, the unit wi be back from the current mode
automatica y.