42. upload lks 2015 refrigation (1).pdf
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Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 1
Test Project–Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 2
DAFTAR ISI Dokumen-dokumen dalam lembar soal berikut meliputi beberapa bagian diantaranya adalah : 1. LKS2015_TPRA.doc Bagian A : Kisi-Kisi Lomba 2. LKS2015_TPRA.doc Bagian B : Petunjuk Lomba 3. LKS2015_TPRA.doc Bagian C : Soal – Soal Lomba 4. LKS2015_TPRA.doc Bagian D : Gambar / Drawing 5. LKS2015_TPRA.doc Bagian E : Peralatanan Perlengkapan 6. LKS2015_TPRA.doc Bagian F : Skematik Penilaian
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 3
LKS2015_TPRA.doc Bagian A BAGIAN A KISI-KISI LOMBA
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 4
INFORMASI LOMBA DESKRIPSI TEKNIK
A. Nama dan Deskripsi Kompetensi 1. Nama kompetensi adalah Teknik Pendingin dan Tata Udara 2. Jenis yang dikompetensikan pada Teknik Pendingin dan Tata Udara adalah perakitan dan
pengelasan, sistem pemipaan refrigerasi dan pemasangan sisten AC split 3. Peserta Lomba dipilih oleh propinsinya masing-masing. 4. Syarat peserta adalah siswa SMK yang sesuai dengan jurusan Teknik Pendingin dan Tata
Udara 5. Kompetisi dilakukan secara individual. Jumlah peserta dalam 1 team mewakili 1 SMK dan 1
team terdiri dari 1 orang.
B. Ruang Lingkup Kompetensi : 1. Peserta harus mampu :
a. Membaca gambar kerja pemipaan dan kelistrikan sistem refrigerasi dan tata udara b. Membentuk berbagai macam pola sambungan pemipaan dan penggunaan peralatan
mekanik guna mendukung sistem refrigerasi dan tata udara. c. Memasang AC split pada papan panel dan menguji coba hasil rakitannya, d. Memasang sistem pemipaan refrigerasi pada display case dan menguji coba hasil
rakitannya e. Menemukan dan menganalisa kesalahan sistem kelistrikan dan sistem refrigerasi.
2. Proyek dilaksanakan dalam 3 hari dimulai pukul 08.30 sampai pukul 17.00
C. Kerja Praktik : 1. Desain : proyek akan didesain dengan menggunakan komponen industri sesungguhnya yaitu
AC split, kompresor,evaporator, kondenser, dan alat ekspansi 2. Pemasangan : refrigerasi dan tata udara dipasang pada papan panel peraga sesuai dengan
gambar rancangan, 3. Komisioning : rancangan harus dapat difungsikan sesuai dengan instruksi/dokumentasi. 4. Tidak ada kesalahan yang disengaja dilakukan oleh peserta. 5. Troubleshooting : mencari kesalahan pada rangkaian yang kesalahannya dibuat oleh juri.
D. Pengetahuan Teori :
1. Desain rangkaian : peserta harus mengetahui fungsi komponen-komponen utama sistem tata udara dan refrigerasi, elektrik dan aksesories lainya serta dapat menjelaskan fungsi rangkaian,
2. Analisa teknik : peserta harus mampu menganalisa rangkaian untuk menemukan kesalahan-kesalahan yang terjadi pada rangkaian kontrol.
E. Material :
Disediakan oleh panitia lomba : 1. AC Split 2. Cold Dring Equipment 3. Recovery unit 5. Sumber listrik 220 VAC 6. Bahan Utama sistem pendingin
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 5
Disediakan oleh peserta : 1. Diperbolehkan membawa multi meter sendiri 2. Diperbolehkan membawa manifold gauge sendiri 3. Membawa peralatan tulis. 4. Peralatan yang diperlukan untuk perakitan dan pengelasan pipa, pemasangan air conditioner,
dan pemasangan sistem refrigerasi pada refrigerator dan display case.
F. Ruangan : Minimal ruangan adalah 10 x 17 m dan dilengkapi dengan meja dan kursi untuk peserta, meja untuk peralatan komponen, meja untuk juri/panitia, dan dilengkapi dengan sumber listrik 220V
G. Kriteria Penilaian :
1. Ketepatan ukuran dan kerapihan hasil kerja para peserta 2. Peralatan yang dirancang dapat bekerja sesuai dengan lembar kerja yang diberikan , 3. Tidak melebihi waktu yang diberikan dalam merakit, realisasi, dan mencari kesalahan
(troubleshooting), 4. Waktu yang dinilai adalah waktu sebelum waktu maksimum dengan hasil pekerjaan benar. 5. Kebenaran rangkaian setelah proses trouble-shooting.
GAMBARAN UMUM SOAL LOMBA
A. Bentuk Soal Soal yang dikompetensikan adalah perakitan sistem refrigerasi dan tata udara, bentuk detail soal dalam bahasa Inggris.
B. Soal
1. Perakitan sistem refrigerasi a. Merakit sistem refigerasi dan sistem kelistrikan sesuai gambar dan melakukan pengaturan
suhu sesuai menu yang ada pada sistem kontrol alat tersebut. b. Menjalankan sistem refrigerasi dan control
2. Pemasangan sistem tata udara (unit AC) pada papan peraga : Memasang (instalasi) unit AC sesuai dengan spesifikasi produk yang telah dibuat oleh manufakturing, detail berupa : a. Membangun sistem pemipaan untuk AC Split b. Merakit sistem kelistrikan AC Split pada papan peraga sesuai gambar yang ditentukan. c. Mencari dan menganalisa gangguan sistem kelistrikan dan mekanik yang ada pada Split
Air Conditioner d. Melakukan proses recovery refrigeran pada unit air conditioning
3. Trouble-shooting & Repair a. Mencari dan menganalisa gangguan sistem kelistrikan dan mekanik yang ada pada
peralatan cold drink equipment b. Mengganti komponen yang rusak pada rangkaian mekanik yang rusak c. Melakukan pressure test, evaluasi dan charging with refrigerant d. Melakukan komisioning sistem refrigerasi
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 6
5. Kriteria Soal Lomba, Nilai dan Waktu Soal Lomba Nilai Waktu 1. Refrigeration System Installation & Commissioning 60 poin 6.0 jam 2. Air-Conditioning System Installation & Commissioning 25 poin 5.0 jam 3. Troubleshooting & Component Replacement 15 poin 5.0 jam
C. Jadual Kegiatan :
1. Hari ke 1 : · Familiarisasi peralatan, · Pembukaan
2. Hari ke 2 : · Test Project 1: Refrigeration system installation & commisioning
3. Hari ke 3 : · Test Project 2: Air conditioning Installing & Commissioning
4. Hari ke 4 : · Test Project 3: Troubleshooting & component replacement
5. Hari ke 5 : Penutupan
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 7
LKS2015_TPRA.doc Bagian B
BAGIAN B PETUNJUK LOMBA
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 8
PETUNJUK UNTUK PESERTA LOMBA Soal LKS ini dibuat untuk menguji peserta Lomba dalam memasang atau merakit peralatan sistem refrigerasi dan Tata Udara (split air conditioner), termasuk melakukan proses perbaikan pada peralatan tersebut. A. Soal Lomba
Ada Lima (3) soal lomba yang akan diujikan dengan total waktu adalah 16 jam.
1. Refrigeration System Installation & Commissioning 60 poin 6.0 jam 2. Air-Conditioning System Installation & Commissioning 25 poin 5.0 jam
3. Troubleshooting & Component Replacement 15 poin 5.0 jam
B. Informasi Tambahan
Beberapa informasi tambahan berkenaan dengan lomba akan diberikan pada saat kompetisi diantaranya adalah : - Jadwal detail lomba.
- Persyaratan yang berhubungan dengan keselamatan dan kesehatan kerja (K3)
- Kategori peraturan dan prosedur lomba
- Dan beberapa informasi lain yang dianggap perlu untuk disampaikan
C. Alokasi Waktu Penyelesaian Soal
Setiap peserta lomba diwajibkan untuk dapat menyelesaikan soal sesuai dengan waktu yang telah ditetapkan dan tidak diberikan penambahan nilai pada saat peserta dapat menyelesaikan soal lebih cepat daripada waktu yang telah ditetapkan. Penambahan waktu tidak akan diberikan kepada seluruh peserta. Pada saat peserta telah menyelesaikan pemipaan peserta harus meminta juri menilai pekerjaannya dengan melakukan test kebocoran kurang lebih 15 menit sebelum melanjutkan pada tahap berikutnya, dan juga 10 menit untuk menilai hasil proses pemvakuman yang dilakukan oleh peserta.
D. Poin Pengecekan
Hal penting dalam lomba ini adalah adanya prosedur yang menghendaki setiap peserta untuk
meminta kepada juri untuk mengobservasi setiap langkah kerja yang dilakukannya. Sebagai contoh
pada saat peserta telah menyelesaikan proses pemvakuman unit, maka peserta meminta salah
seorang juri untuk melakukan observasi hasil pekerjaannya dan meminta juri untuk menandatangani
kotak proses vakum yang tersedia dalam soal. Silahkan lihat pada contoh berikut :
Proses Pemvakuman Sistem Juri:
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 9
Informasi Keselamatan (Safety) Selama Lomba, seluruh peserta diwajibkan mengikuti dan melaksanakan aturan keselamatan yang telah ditetapkan, yaitu : 1. Sepatu Kerja :
Diwajibkan untuk menggunakan sepatu keselamatan (Safety Shoes). 2. Pakaian Kerja :
• Menggunakan baju kerja dengan bagian tangan dan kaki sepenuhnya terlindungi (trousers or overalls).
• Tubuh bagian atas selalu tertutup.
• Lengan harus tertutup dengan menggunakan pakaian lengan panjang pada saat pengelasan dan penanganan Refrigerant.
3. Pelindung Mata
• Wajib mengenakan pelindung mata (Kaca Mata) putih atau Clear Glasses.
• Terutama untuk pekerjaan brazing, soldering, filing, reaming, hack-sawing, drilling, grinding dan penanganan refrigerant, dry nitrogent dan udara bertekanan., termasuk ketika sedang mengerjakan pekerjaan kelistrikan.
4. Sarung Tangan
• Harus digunakan pada saat Brazing dan penanganan refrigerants
• Wajib digunakan pada saat melakukan pekerjaan kelistrikan termasuk pengujian kelistrikan. 5. Kelistrikan
Seluruh peserta wajib untuk meminta izin dari Juri pada saat ingin mengoperasikan semua peralatan listrik kecuali peralatan kerja seperti Bor dan hand power tools lainnya.
Setiap peserta yang terindikasi tidak menggunakan peralatan keselamatan yang telah ditentukan dapat
diberhentikan aktivitasnya oleh Juri sampai peserta tersebut memenuhi persyaratan keselamatan yang
dimaksud.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 10
LKS2015_TPRA.doc Bagian C
BAGIAN C SOAL – SOAL LOMBA
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 11
Competition Details - Module 1
Refrigeration System Installation and Commissioning
Maximum Time Allowed – 6 hours 40 Marks
The competitor is required to position and install the supplied refrigeration equipment according to the schematic pipe work diagram that will be supplied. Drawing Rthat relate to this module are as follows: R.001 (Flow Diagram) included in Test Project Section 1: Test Project Drawings R.002 (Wiring Diagram) included in Test Project Section 1: Test Project Drawings R.003 (Equipment Layout) included in Test Project Section 1: Test Project Drawings R.004 (Letters “COOL” Layout Front) included in Test Project Section 1: Test Project Drawings R.005 (Letters “COOL” Layout Rear) included in Test Project Section 1: Test Project Drawings R.006 (Letters “COOL” flow direction) included in Test Project Section 1: Test Project Drawings Components will include the following : Major system components
Condensing unit
Evaporator koil
Refrigeration quality pipe work
Electrical components Refrigeration system flow control and valves including
Liquid line filter drier
Sight glass
Non return valve
Heat reclaim solenoid valves
Thermostatic expansion valve with ext. equilizer
Low pressure and high pressure gauges
Pressure access valves
Refrigerant R134a
Refrigeration quality copper pipework Electrical system component including:
Safety pressure controls
Temperature controller
Relays, contactors and associated switch gear
The competitors required to commission the system within the time limit. When you have finished commissioning the system you are required to record the operational settings on a System Data Sheet that will be provided to each competitor. The competitor must ask Jury to check their own commissioning records and obtain Jury signature in the space provided in the commissioning sheet.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 12
System Design Specifications
The following system design specifications for the installation should be used for commissioning and control setting and are as follows: SYSTEM SPECIFICATIONS
- Refrigerant = R134a - Maximum ambient temperature = 33°C Db, 28°C Wb - Design saturated suction temperature = -15 °C - Suction line pressure drop = 1 K
CONTROL AND SAFETY SETTING
- Low Pressure Controller cut off 5K lower than design saturated suction temperature (SST). - Low Pressure Controller cut in at -10 °C. - High Pressure cut out the system when the Condensing temperature reaches 55 °C.
Install and Commission Refrigeration System All competitors will be required to perform the following tasks to complete this module, all tasks except task 1 and 2 have an expert sign off sheet which needs to be filled in and signed prior to moving ahead on each task
1. Install Refrigeration System All competitors will supplied with all necessary equipment and materials to complete the installation of the refrigeration system in accordance with test project drawings and Worldskills International Standard for Refrigeration & Air Conditioning.
2. Install Electrical System All competitors will supplied with all necessary equipment and materials to complete the installation of the refrigeration system in accordance with test project drawings and National skills Standard for Refrigeration & Air Conditioning.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 13
3. Pressure Test System Under the supervision of jury, carry out a staged pressure test of the refrigeration system in accordance to manufacturer’s equipment instructions and National skills standards. The pressure test point should not drop from the starting point in the fifteen (15) minutes after the pressure test is isolated from the Nitrogen cylinder. If the pressure test has not been achieved, the competitor can continue to fix the leak and achieve the pressure test, however the full mark for Pressure Test will be lost. PLEASE FILL IN THE JURY CHECK POINT SHEET BELOW BEFORE PROCEEDING ANY FURTHER
To be filled in by Competitor
Pressure Test Value □ Bar, □ kPa, □ psi =
To be filled in by JURY ONLY
Competitor Name: Competitor province:
Pressure at Start of Test: □ kPa, □ psi =
Starting Time:
Pressure at End of Test: □ kPa, □ psi =
Finishing Time:
Refrigeration System Pressure Test
Jury 1.
Jury 2.
Jury 3.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 14
4. Evacuation
Under the supervision of Jury, evacuate the refrigeration system in accordance with
manufacturer’s instructions and National standards using the Deep Vacuum Method to hold a vacuum
of at least 1000 microns (130 Pa absolute) of mercury. The evacuation point should not rise more than
20% of the starting point in the Ten (10) minutes after the vacuum pump is isolated from the system
under test. If the evacuation below 1000 micron has not been reached within 1 Hour, the competitor can
continue to achieve the evacuation; however the full mark for Evacuation will be lost.
PLEASE FILL IN THE JURY CHECK POINT SHEET AT THE BACK OF THIS DOCUMENT BEFORE
PROCEEDING ANY FURTHER
To be filled in by JURY ONLY
Competitor Name: Competitor Province:
Evacuation Level at Start of Test: □ Micron =
Starting Time:
Evacuation Level at End of Test: □ Micron =
Finishing Time:
Refrigeration System Pressure Test
Jury 1.
Jury 2.
Jury 3.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 15
5. Charging With Refrigerant
Under the supervision of Jury, charge the refrigeration system with the required
weight of refrigerant to ensure operation according to cold box specification above, and
in accordance with acceptable trade & environmental practices.
PLEASE FILL IN THE JURY CHECK POINT SHEET AT THE BACK OF THIS DOCUMENT BEFORE PROCEEDING ANY FURTHER
To be filled in by JURY ONLY
Competitor Name: Competitor Province:
Refrigerant Bottle Gross weight prior to charging system: □ grams □ pounds =
Refrigerant Bottle Gross weight at conclusion of competition: □ grams □ pounds =
Mass of Refrigerant added: □ grams □ pounds
Refrigeration System Pressure Test
Jury 1.
Jury 2.
Jury 3.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 16
6. Electrical testing
Under the supervision of Jury, perform all necessary safety checks to ensure the test project is safe
to energise.
PLEASE FILL IN THE JURY CHECK POINT SHEET AT THE BACK OF THIS DOCUMENT BEFORE
PROCEEDING ANY FURTHER
To be filled in by JURY ONLY
Competitor Name: Competitor Province:
All wiring inspected by jury prior to energising: □ Yes
Electrical safety checks performed prior to energising: □ Yes
Comments:
Refrigeration System Pressure Test
Jury 1.
Jury 2.
Jury 3.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 17
7. Commission the System Competitors are to commission the system for operation in accordance with the design specifications supplied. Please fill out the following commissioning document with the system fully operational. Competitor Name: Competitor Province: Ambient Temperature .... Celsius ...... Fahrenheit : Refrigerant Type: Mass of Refrigerant Charge .... grams .... pounds : Suction Pressure .... kPa ..... psi Discharge Pressure .... kPa ..... psi : Condenser Subcooling .... Kelvin .... Fahrenheit Degrees Evaporator Superheat .... Kelvin .... Fahrenheit Degrees : Total System Superheat ... Kelvin ... Fahrenheit Degrees : LP Control Cut In .... kPa .... psi : LP Control Cut Out .... kPa ... psi : HP Control Cut Out .... kPa ... psi : HP Control Cut In .... kPa .... psi : Compressor Operating Current □ Amps:
To be filled in by JURY ONLY
Competitor Name: Competitor Province:
Refrigeration System Pressure Test
Jury 1.
Jury 2.
Jury 3.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 18
Competition Details - Module 2
Air Conditioning System Installation, Fault Finding, Repair and Commissioning
Maximum Time Allowed – 5 hours 25 Marks
The competitor will be issued with a split type inverter air conditioning system that includes R410A refrigerant charge. The competitor will be required to position, install and commission the Indoor unit and Outdoor unit, pipe work and associated wiring onto a supplied frame work. The installation of a Condensate drain is also required.
The test module requires the installed pipe work to be Pressure tested and Evacuation tested according to the World Skills standards within the time limit. You are then to commission the system according to the specifications provided.
Drawing R.006 (Component Layout Drawing) refers.
The competitors required to commission the system within the time limit. When you have finished commissioning the system; you are required to record the operational settings on a System Data Sheet that will be supplied to you.
The competitor must ask a Jury to check their own commissioning records and obtain Jury signature in the space provided on the commissioning sheet.
The specifications for the Air Conditioning unit are:
Cooling Mode
Room temperature setting at : +21
oC
Fan speed setting at : High Speed.
Louvre Setting : Fixed open
Evacuation Reached within 30 mins. Jury Initials
Air Conditioning System Set Up Observed Jury Initials
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 19
AC SYSTEM COMMISSIONING REPORT
SELECT COOLING MODE AND HIGH SPEED FOR THE INDOOR FAN FOR COMMISSIONING
Competitors to fill out
Competitor Name: Competitor Province: What is the Fault?
The Competitor must ask Jury to observe their air conditioning unit operation and set up
and obtain a Jury initial in the box provided.
Commissioning Data
Refrigerant Type
=
Mass of the Refrigerant Charge □Gram, □Ounces
Ambient Temperature
□˚C,
□˚F
=
Suction Pressure
□kPa,
□psi
□Bar
=
Discharge Pressure
□kPa,
□psi
□Bar
=
Saturated Suction Temperature
˚C,
˚F
=
Saturated Discharge Temperature
□˚C,
□˚F
=
Suction Superheat Value □K, □˚R
=
Air Suction Temperature onto Evaporator
□˚C,
□˚F
=
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 20
Air Discharge Temperature off Evaporator
□˚C, □˚F
=
Fan speed High Medium Low
Indoor coil air velocity m/se Ft/sec
Compressor operating current Amp
Jury to fill out:
Start Time:
Time fault identifeid:
Refrigeration System Pressure Test
Jury 1.
Jury 2.
Jury 3.
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 21
Competition Details - Module 3
Troubleshooting, Mechanical Component Replacement, and Commissioning Refrigeration System
Maximum Time Allowed – 4,5 hours 15 Marks
Using specialized and selected refrigeration tools, the competitor is required to remove and replace a component and recommission the system according to National Skill standards.
The component could be on the cold drink equipment system. The system must be returned
to correct operation within the 5 hour time limit.
Drawing R.007 (Component Layout Drawing) refers
There will be any number of component replacement tasks available and each individual task will be kept secret in its own envelope until the time of this competition module.
The task description will be announced at the start of the module test by the Jury or the delegated representative.
The module is designed to test the Competitors ability to recover refrigerant in an environmentally safe way.
Competitors to fill out
Competitor Name: Competitor Province:
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 22
Jury to fill out: Start time: Finishing time:
Refrigerant Recovery Observed Jury Initials
Pressure Test Observed Jury Initials
EvacuationTest Observed Jury Initials
Recommissioning Observed Jury Initials
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 23
LKS2014_TPRA.doc Bagian D
BAGIAN D
GAMBAR / DRAWING
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 24
Drawing R.001
Skala : 1: 10
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
A
B
C
D
E
F
A
B
C
D
E
F
position the
components by
yourself
180
90
Y
X
FACE OF
COOL SIGN
X
40
Y
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 25
Drawing R.002 1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
A
B
C
D
E
F
A
B
C
D
E
F
6mm 10mm
heat-recovery
condensing unit
cooling system
see drawing no’s.:
R003, R005, R005
PC
TC
TSIHL
12mm
12mm
6mm
PT
M2
Q1 Q2
M1
B2thermostat
warm water
B3fan speed
controller
10
mm
capacity regulator
solenoid
valves
check valve
schraeder
valve
12mm x 1
We keep the world
TXV SG drier
heat rejection heat recovery
PSH / PSL
B1F
PIH
PIL
HP gauge
LP gauge
10mm
10mm Insulation
10mm
10mm
6mm
6mm
Dual HP / LP
Switch
Ball Valve
12mm to
10mm reducer
Insulation
10mm
10x10x6mm T piece
10x10x6mm
T piece
6mm
6mm
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 26
Drawing R.003 1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
A
B
C
D
E
F
A
B
C
D
E
F
Skala : 1 : 5
Dimensi dalam mm
12 x 1
150
7545°
45°
325
45°
50
0
45° 45°
(89)
325125
757
5
125
150
7545°
45°
325125
325
60 frontside
backside
on frontside with
tubebender
brazing connections on
backside
wood
22
100
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 27
Drawing R.004 1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
A
B
C
D
E
F
A
B
C
D
E
F
12 x 1
3255
00
325125 125
325125
325
inlet
outlet
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 28
Drawing R.005
Liquid & Vapour
from TXV & HGBV
capacity regulator
suction line
60
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
A
B
C
D
E
F
A
B
C
D
E
F
Competitors are free to determine pipe work, component and bracket location
REAR VIEW REFRIGERANT FLOW DIAGRAM
100
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 29
Drawing R.006
X 1 : 1
50
50
900
60
0
150900 100
460
Filter
drier
Skala 1:10
Dimensi dalam mm
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 30
Drawing R.007
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 31
LKS2014_TPRA.doc Bagian E
BAGIAN E PERALATAN & PERLENGKAPAN PESERTA
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 32
Peralatan yang disiapkan peserta
Peralatan berikut merupakan peralatan minimum yang dibawa oleh setiap peserta lomba
dan yang akan digunakan selama lomba berlangsung, peserta diperbolehkan membawa
peralatan lain yang dianggap perlu dan membantu dalam proses mengerjakan soal lomba.
Competitor Supply
Measuring, Preparatory pahse Refrigeration
Writing equipment, including, pencils,
coloured
Set of gauges R-134a and R410A
pens, paper, highlighters Gauge manifold set R134a and R410A
Tape measure: 5 m Vacuum gauge, down to 50 Pascal
Centre punch Scale digital balanced
Pipe reamer Ratchet key
Scribe Schrader valve key
Set of drills: 1-10 mm Allen keys – imperial and metric
Spirit level Vacuum pump
Tong-ammeter Digital Thermometers with at least 2 sensors
Metal Rule: 300 mm Electronic Leak Detector
Knife Leak detection solution
Hammer Small mirror
Hacksaw
Screw drivers Electrical Work
Try-square Wire Strippers
Set squares Electrician’s pliers
Long nose pliers Multigrips
Electrical Crimping Tools
Mechanical tasks Megohmmeter
Tube cutter, up to 22 mm Multi-meter
Files: flat, half round and round
Pipe Bending Machine 6 mm Safety
Pipe Bending Machine 10 mm Clothing, long sleeves, long work trousers
Pipe Bending Machine 12 mm Emergency cloth
Mechanical tube benders, Safety shoes
Set of spanners up to 25 mm Clear Safety glasses
Shifting spanners Gloves
Side cutting pliers
Steel wool
Oil can
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 33
LKS2014_TPRA.doc Bagian F
BAGIAN F SKEMATIK PENILAIAN
Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015 Page 34
SKEMATIK PENILAIAN
Berikut ini adalah Rangkuman skala penilaian untuk bidang Refrigerasi & Air Conditioning yang harus dipersiapkan oleh seluruh peserta sesuai bahasa masing-masing pada bagian Informasi, dilakukan sebelum pelaksanaan lomba. Gambaran teknis untuk Refrigerasi & Air Conditioning pada bagian F merupakan daftar keterampilan yang harus dipenuhi oleh peserta lomba dan kriteria penilaian akan di berikan untuk semua modul berikut: Kriteria Keterampilan (Skill) Nilai Maksimum A Component fabrication 12.50
B Component and System Installation 20.00
C Electrical Installation 15.00
D Commissioning and Adjustment 17.50
E Electrical fault find and repair 10.00
F Refrigerant fault find and repair 10.00
G Refrigerant Recovery & Emission Control 10.00
H health and Safety 10.00
Total 100.00