Yoshitake STC-1 Manuel utilisateur

Taper
Manuel utilisateur
ڦEPDT-345aڦ
MODEL STC-1
STEAM TRAP CHECKER
PRODUCT MANUAL .
Thank you very much for choosing the Yoshitake’s product. To ensure the correct and safe use of the
product, please read this manual before use. This manual shall be kept with care for future references.
The symbols used in this manual have the following meanings. Please note that Chinese language version
and Thai language version can be downloaded from the following website.
Website: http://www.yoshitake.jp/index.html
ᵢӝ૷Ⲻѣᮽᆿ㻻ֵ⭞䈪᱄Ҝ䈭Ԅԛс㖇൶с㼔㼠㼠㼜㻛㻛㼣㼣㼣㻚㼥㼛㼟㼔㼕㼠㼍㼗㼑㻚㼖㼜㻛㼏㼚
ือิตัณ
Warning
This symbol indicates a potentially hazardous situation that, if not avoided,
could result in death or serious injury.
Caution
This symbol indicates a hazardous situation that, if not avoided, may result in
minor or moderate injury or may result in only property damage.
Table of Contents
1. Usage of the Product ················································· 1
2. Specifications and Mode ········································· 1-2
2.1 Specifications ····················································· 1
2.2 Mode (function) ··················································· 2
3. Operation procedure ··············································· 2
4. Dimension and weight················································· 3
5. Before use ···························································· 3-5
5.1 Precaution for installation ······································ 3
5.2 Name of the parts ··········································· 4-5
5.3 Installing Battery ·················································· 5
5.4 Peel off protective film of screen ····························· 5
5.5 Attach/Remove sensor cap ·································· 5
6. How to use ··························································· 6-11
6.1
Switch operation for Power (ON/OFF) and Mode (function) ···· 6
6.2 Procedures for steam trap automatic diagnosis mode ··· 7-10
6.3 Procedures for surface temperature sensor mode ···· 11
6.4 Procedures for auscultation mode ························· 11
7. Maintenance ··························································· 12
7.1 Precaution for maintenance ································· 12
7.2 Troubleshooting ············································ 12-13
Warranty Information
̺̺                 ڦEPDT-345aڦ
1. Usage of the Product
The STC-1steam trap checker is a simple checker that diagnoses the condition of steam trap, equipped with
automatic steam trap diagnosis, operation auscultation, and steam piping surface temperature sensor
functions.
2. Specifications and Mode
2.1 Specifications
Model
STC-1
Steam trap automatic diagnosis
time
2 seconds or 8 seconds
Working pressure for steam trap
automatic diagnosis
0.05-8.0MPa
Working temperature
for surface temperature sensing
0-300°C
Automatic power off
After 5 minutes
(While steam trap automatic diagnosis mode and not in operation)
Ambient temperature
0-40°C (Non-Freezing)
Where to use
Inside and outside (However, it should not be exposed to rain water).
Battery
DC1.5V AAA alkaline batteries 2pcs
Continuous use time: Approximately 8 hours(*1)
Accessories(*2)
Storage case, earphones, AAA alkaline batteries 2pcs(*3)
* 1 When using alkaline batteries ( 25°C,steam trap diagnosis mode).
* 2 Confirm the package contents before use. If any, please contact us.
* 3 The batteries are not included for overseas shipment (export).
Caution
Check the model on the product label (Please refer to 5.2 Name of the parts) on the product against
the model ordered. Also make sure that accessories are stored. If the contents are different, please
contact us without using.
Check
(1)
(2)
Name
Steam trap checker
Case
Appearance
Q’ty
1
1
Check
(3)
(4)
Name
AAA alkaline batteries (*3)
Earphones
Appearance
Q’ty
2
1
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2.2 Mode (Function)
Mode(Function)
Overview
Steam trap automatic
diagnosis mode
Automatically diagnosis the condition of steam trap(*4)
Surface temperature
sensor mode
Indicates the surface temperature of steam piping
Auscultation mode
Listens to the condition of steam trap
*4: Results of steam trap automatic diagnosis
Result
Working condition of steam trap
GOOD
Good condition
CAUTION
Hard to diagnose whether GOOD or LEAK.
Caution required for the possibility of LEAK.
LEAK
High possibility of steam leakage
LOW TEMP
High possibility of clogged, not in service, or inadequately low capacity,
because the surface temperature is low.
3. Operation procedure
3.1 Steam trap automatic diagnosis mode
The product detects vibration and temperature during steam trap operation, performs automatic
diagnosis from the detected data, and displays the result on the screen.
3.2 Surface temperature sensor mode
The product detects the temperature of the steam trap and steam pipe and displays the temperature
on the screen.
3.3 Auscultation mode
The product detects vibration during the operation of the steam trap and auscultates the operating
condition.
4. Dimension and weight
Weight: 214g (including batteries)
(211: Without sensor cap)
Label for peeling off the
protective screen film
(See
5.4
Peel off the
protective screen film.”)
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5. Before use
5.1 Precaution for installation
Warning
1. The product cannot be used in a place or atmosphere where explosive gas accumulates.
* There is a risk of fire because the product is not an explosion-proof structure.
2.
If there is a risk of being caught in an equipment, do not use earphone straps.
* There is a risk of injury.
3.
Do not disassemble or modify the product.
* There is a risk of injury, electric shock, or fire.
4.
Do not operate the product while walking.
* There is a risk of accidents such as falling or collisions.
5. Do not give shock
to the product.
* There is a risk of injury, electric shock, or fire due to damage or deformation of parts.
6.
Avoid from water such as rain.
* If water enters, there is a risk of malfunction, heating, electric shock, or fire.
7. Do not mix foreign substances. (Do not use
the product in dusty place).
* There is a risk of malfunction or fire.
8. Do not leave the product in a place exposed to direct
sunlight, in a sun-heated car
, or near the fire,
where it has the risk of getting high temperature.
* There is a risk of battery leakage, heating, rupture, or fire.
9. Do not use the product if the battery ha
s leakage, or if strange odor, deformation, etc. are observed.
* There is a risk of heating, fire, or rupture.
* If the liquid leaks to your body, immediately rinse with clean water and consult a doctor.
Caution
1. When adopting earphones, work in two people because the surroundings danger cannot be predicted.
2.
If the product will not be in used for a long time, remove the batteries and store them
in a dry and cool place.
* There is a risk of battery leakage, rusting, malfunction or shorter service life.
3.
Do not use or store the product
near the blow out of steam, salty place, oily place, or in an atmosphere
of acid, strong alkali, or organic solvent.
* There is a risk of deformation, discoloration, or damage of the product.
̺̺                 ڦEPDT-345aڦ
5.2 Name of the parts
Warning
Do not use the earphones when there is a risk of being caught in an equipment.
Spare parts are available for the parts *5 and *6.
(*6: Battery cover and battery cover set screw are available as a set.)
Manual operation button
Operation description
POWER/MODE
button
Power ON/OFF: Press down the button for 2 seconds or more.
Switch the mode
:
Steam trap automatic diagnosis à Surface temperature sensor à
Auscultation
TRAP
Button
Select a steam trap type.(*7)
DISC à BUCKET à FLOAT à THERMO à OTHERS
Button
Select a pressure range. (Available while steam trap automatic diagnosis mode)
Adjust Vol
ume. (Available while auscultation mode)
Back light ON/OFF
: Press down the bottom for 2 seconds or more.
(However, invalid while auscultation mode)
START
Button
Start steam trap automatic diagnosis.
(Available while steam trap automatic diagnosis mode).
Without Sensor cap
(See
“5.5 Attach/Remove
the sensor cap.”)
Sensor cap (*5)
POWER/MODE button
TRAP button
START button
Screen
䕦䞉䕰button
LED
Sensor tip
Battery cover set screw (*6)
Product label
Battery cover (*6)
Rubber cap (Earphone)
Earphone plug size
φ3.5
Outer diameter of r
esin part of earphone plug φ7mm
or less
Wa
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5.3 Installing battery
5.3.1 Loosen the battery cover set screw (Counterclockwise) with a flat-head screwdriver or coin, and
remove the battery cover.
5.3.2 Install the batteries with the polarity of the battery (accessory) matched.
5.3.3 Attach the battery cover and tighten the battery cover set screw with a flat-head screwdriver or coin
while holding the battery cover. (Clockwise).
Caution
1. If the product will not be in used for a long time, remove the batteries.
*There is a risk of battery leakage.
2.
Do not overtighten the battery cover set screw.
*The case and battery cover will be damaged.
5.4 Peel off protective screen film
Gently peel off the protective film while holding the peel-off label.
5.5 Attach/Remove sensor cap
5.5.1 Loosen the sensor cap by turning it counterclockwise, and remove it
5.5.2 To attach the sensor cap, tighten it by turning it clockwise.
Loosen
Tighten
Peel off the protective screen film
while holding this part.
*7: Types of Steam Trap
Screen Description
Type of steam traps
DISC
Disc type steam trap
BUCKET
Bucket type steam trap
FLOAT
Float type steam trap
THERMO
Thermostatic type steam trap
(Bellows, Bi-metal)
OTHERS
Others (Orifice, Unknown type)
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Battery
Full
Battery
low
6. How to use (Refer to 5.2 Name of the parts”)
6.1 Switch operation for Power (ON/OFF) and Mode (function)
After showing
“YS” on the Screen
Screen.
Screen
Screen
Caution
1. Do not press the button with a hard object such as metal or resin.
* Button will be damaged.
Steam trap automatic
diagnosis mode
Auscultation mode
To switch the mode,
press “
POWER/MODE button
To power ON/OFF,
p
ress down
“POWER/MODE”
button
for 2 seconds or more
Operation Button
Battery level indicator
(Caution
Battery level is approximate
and for
reference only.)
Surface temperature
sensor mode
̺̺                 ڦEPDT-345aڦ
6.2 Procedures for s
team trap automatic diagnosis mode
6.2.1 Choose “Steam trap automatic diagnosis mode” by
pressing POWER/MODE button, according to the
procedures shown in 6.1
6.2.2 Select the type of steam trap by pressing TRAP” button.
6.2.3 Select the pressure range by pressing
▼” button.
Operation Button
Steam trap automatic
diagnosis screen
Table 1: Pressure range
Pressure Range
1
0.05 MPa or more and less than 0.1 MPa
2
0.1 MPa or more and less than 0.5 MPa
3
0.5 MPa or more and less than 1.0 MPa
4
1.0 MPa or more and less than 2.0 MPa
5
2.0 MPa or more and less than 3.0 MPa
6
3.0 MPa or more and less than 4.0 MPa
7
4.0 MPa or more and less than 5.0 MPa
8
5.0 MPa or more and less than 6.0 MPa
9
6.0 MPa or more and less than 7.0 MPa
10
7.0 MPa or more and less than 8.0 MPa
Switch and select a type of steam trap
by pressing “TRAP” buttom.
(DISC
à BUCKET à FLOAT à THERMO à
OTHERS)
Refer to the table “*7: Types of Steam Trap” in “5.2 Name
of the parts.”
Switch and select a pressure range
by pressing “
▼” button.
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6.2.4 Press the sensor tip vertically against the inlet side (flat surface) of the steam trap.
Caution
1. During the steam trap diagnosis, press the sensor tip as vertically as possible.
* If the sensor tip is pressed from an angle,
the contact condition of the sensor will change and
accurate measurement will not be possible. It is recommended to create a flat surface (at least φ6
)
by sanding the measurement surface.
2. Measure the steam trap by pressing the sensor tip at the same position.
* Diagnosis result will differ depending on the measurement positions.
3. Do not push the sensor too much.
* It will lead to damaging the tip.
Sensor tip
The tip retracts
when pressed
Inlet side of steam trap
(Flat surface)
㼃㼔㼑㼚㻌㼟㼑㼚㼟㼛㼞㻌㼠㼕㼜㻌
㼕㼟㻌㼜㼞㼑㼟㼟㼑㼐㻌
Inlet side of
steam trap
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6.2.5 Press “Start” button to start the steam trap diagnosis.
Vibration will notify you of starting of the measurement.
Screen while automatic diagnosis
(2 seconds or 8 seconds)
Operation button
* Timer function:
Press down “START” button for 2 seconds and then vibrator operates.
After 10 seconds, the diagnosis automatically starts.
Please use this function when you need time to press down the sensor tip on a steam trap in a deep
place.
Caution
Please us
e the sensor as far as it can be confirmed that the sensor tip is pressed vertically against
the inlet side (flat surface) of the steam trap.
Push the sensor tip vertically against the inlet side (flat surface) of the
steam trap until the vibrator operates.
(After 12 seconds to 18 seconds).
Screen while preparation
(10 seconds)
Screen while automatic diagnosis
(2
seconds or 8 seconds)
Level gauge of
measuring time
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* If the tip of the pressed sensor is disconnected, the screen will show “ERROR.
Please start again with the procedures shown in 6.2.4.
ERROR Screen
6.2.6 Diagnosis completes with vibrator operation. (After 2seconds or 8 seconds)
6.2.7 The screen displays the diagnosis result. (LED turns on for about 5 seconds).
* Please refer to “*4: Results of steam trap automatic diagnosis” for the condition of steam trap diagnosis.
6.2.8 If you need to switch the type or pressure range for another diagnosis, press “POWER/MODE” button
once. Then the screen displays below.
Please start according to the procedures shown in 6.2.2.
Operation button Steam trap automatic diagnosis mode screen
Diagnosis
result
GOOD CAUTION
LEAK LOW TEMP
S
creen
indication
LED
Green Yellow Red Yellow
̺㻝㻝̺                 ڦEPDT-345aڦ
6.3 Procedures for surface temperature sensor mode
6.3.1 Choose “Surface temperature sensor mode” by pressing “POWER/MODE” button, according to the
procedures shown in 6.1.
6.3.2 Press the sensor tip against the object and measure the temperature. (Refer to 6.2.4.)
Operation button Screen while surface temperature sensor mode
6.4 Procedures for Auscultation mode
6.4.1 Choose “Auscultation mode” by pressing “POWER/MODE” button, according to the procedures
shown in 6.1.
Operation button Screen while auscultation mode
6.4.2 Open the rubber cap (for earphones) of the product and insert the earphone plug into the earphone
jack.
6.4.3 Press the sensor tip against the object and auscultate.
(Refer to 6.2.4.)
6.4.4 Adjust the volume by pressing “▲▼” button.
Caution
Please remove the earphone plug and replace the
rubber cap(Push in the rubber cap) after usage.
Warning
Do not use the earphones when there is a risk of being caught
in an equipment.
Rubber cap (for earphones)
Open the rubber cap
High volume
Low volume
Volume
̺㻝㻞̺                 ڦEPDT-345aڦ
7. Maintenance
7.1 Precautions for maintenance
Caution
Do not disassemble the product.
* There is a risk of electric shock or fire.
7.2 Troubleshooting
Trouble Cause Remedy
No display even after
pressing
“POWER/MODE”
button
No batteries
Install the
batteries correctly.
Replace the batter
ies.
Refer to “5.3 Installing battery.
Battery polarity is not correct
Low battery
The measured
temperature value is
abnormal,
while steam trap
automatic diagnosis
mode or surface
temperature sensor
mode.
Sensor tip is deformed or
damaged.
Need to repair.
Please contact us
Sensor
tip is not pressed
vertically against the flat surface.
Press the sensor tip vertically against the
flat surface.
Refer to 6.2.4.
Foreign matter is attached to the
sensor tip.
Be careful not to deform the sensor tip and
remove the foreign matter.
V
ibrator does not
operate.
Not in steam trap automatic
diagnosis mode
Switch to steam trap automatic diagnosis
mode.
Low battery
Replace the batteries.
LED does not turn on.
5 seconds or more had passed
after diagnosis.
LED turns on within 5 seconds after
diagnosis is completed.
Low battery.
Replace the batteries.
The back lamp does
not turn ON/OFF.
Auscultation mode is selected.
Operate in steam trap automatic diagnosis
mode or surface temperature sensor mode.
Re
fer to “5.2 Name of the parts” for
operation.
Sounds do not come
from the earphone
s
.
The earphone
s are
not inserted
correctly into the earphone jack.
Insert the earphones correctly. If they
cannot be inserted, u
se the earphones
which match to the specifications.
Refer to “5.2 Name of the parts”
The sensor tip is not pressed
vertically against the flat surface.
Please push it vertically.
Refer to 6.2.4
Low volume
Adjust the volume of the earphones.
Refer to 6.4.
̺㻝㻟̺                 ڦEPDT-345aڦ
Trouble Cause Remedy
Power does not turn
OFF automatically
even after 5 minutes.
The product is in
surface
temperature sensor mode or
auscultation mode.
Automatic power OFF does not function in
surface
temperature sensor mode or
in
auscultati
on mode. Switch to
steam trap
automatic diagnosis mode.
Refer to 6.1.
Contrast of the screen
display changes.
The contrast may change
depending on the outside
temperature.
This is not malfunction.
Screen flickers or is
not displayed.
The measured
sur
face
temperature
value is abnormal
There are electrical effects such
as static electricity
or electric
noise.
Keep away from sources of static
electricity
or electrical noise.
In that case,
turn off the power once and turn it on
again before use.
*If the problem persist even after taking the above actions, please contact us.
Please note that the contents of this manual are subject to change without prior notice.
2015.8
PDD-046e
Warranty Information
1. Limited warranty
This product has been manufactured using highly-advanced techniques and subjected to
strict quality control. Please be sure to use the product in accordance with instructions on
the manual and the label attached to it.
Yoshitake warra
nts the product to be free from any defects in material and workmanship
under normal usage for a period of one year from the date of receipt by the original user, but
no longer than 24 months from the date of shipment from Yoshitake’s factory.
2. Parts supply after product discontinuation
This produc
t may be subject to discontinuation or change for improvement without any prior
notice. After the discontinuation of the product, Yoshitake supplies the repair parts for 5
years otherwise individually agreed.
3. This warranty does not cover the damage due to any of below:
(1) Valve seat leakage or malfunction caused by foreign substances inside piping.
(2) Improper handling or misuse.
(3) Improper supply conditions such as abnormal water pressure/quality.
(4)
Water scale or freezing.
(5) Trouble with power/air supply.
(6) Any alteration made by other than Yoshitake.
(7) Use under severe conditions deviating from the design specifications
e.g. in case of corrosion due to outdoor use).
(8)
Fire, flood, earthquake, thunder and other natural disasters.
(9) Consumable parts such as O-ring, gasket, diaphragm and etc.
Yoshitake is not liable for any damage or loss caused by malfunction or defect of the product.
INTERNATIONAL DEPT.
955-5, Miyamae, Irukadeshinden, Komaki, Aichi, 485-0084, Japan
Phone: +81-568-75-4432 Fax: +81-568-75-4763
E-mail: Intntl@yoshitake.co.jp
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Yoshitake STC-1 Manuel utilisateur

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