42.-upload-lks-2015-refrigation.pdf

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

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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

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LKS2015_TPRA.doc Bagian A

BAGIAN A KISI-KISI LOMBA

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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 kesalahankesalahan 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

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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

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5. Kriteria Soal Lomba, Nilai dan Waktu Soal Lomba 1. Refrigeration System Installation & Commissioning 2. Air-Conditioning System Installation & Commissioning 3. Troubleshooting & Component Replacement

Nilai 60 poin 25 poin 15 poin

Waktu 6.0 jam 5.0 jam 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

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LKS2015_TPRA.doc Bagian B

BAGIAN B PETUNJUK LOMBA

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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 2. Air-Conditioning System Installation & Commissioning 3. Troubleshooting & Component Replacement

60 poin 6.0 jam 25 poin 5.0 jam 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

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

Juri:

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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

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LKS2015_TPRA.doc Bagian C

BAGIAN C SOAL – SOAL LOMBA

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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

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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

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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:

Jury 1.

Refrigeration System Pressure Test

Jury 2. Jury 3.

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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:

Jury 1.

Refrigeration System Pressure Test

Jury 2. Jury 3.

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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:

Mass of Refrigerant added:

=

□ grams □ pounds

=

□ grams □ pounds Jury 1.

Refrigeration System Pressure Test

Jury 2. Jury 3.

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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:

Jury 1.

Refrigeration System Pressure Test

Jury 2. Jury 3.

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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 .... Suction Pressure .... kPa

pounds :

..... 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:

Jury 1.

Refrigeration System Pressure Test

Jury 2. Jury 3.

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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 o

Room temperature setting at

:

+21 C

Fan speed setting at

:

High Speed.

Louvre Setting

:

Fixed open

Evacuation Reached within 30 mins.

Air Conditioning System Set Up Observed

Jury Initials

Jury Initials

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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 Ambient Temperature Suction Pressure Discharge Pressure

□Gram, □Ounces □˚C, □˚F □kPa, □psi □kPa, □psi

=

□Bar □Bar

= =

Saturated Suction Temperature

˚C,

Saturated Discharge Temperature

□˚C, □K,

□˚F □˚R

=

□˚C,

□˚F

=

Suction Superheat Value Air Suction Temperature onto Evaporator

˚F =

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

=

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Air Discharge Temperature off Evaporator

□˚C,

□˚F

Fan speed

High

Medium

Indoor coil air velocity

m/se

Ft/sec

Compressor operating current

Amp

= Low

Jury to fill out: Start Time: Time fault identifeid:

Jury 1.

Refrigeration System Pressure Test

Jury 2. Jury 3.

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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

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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

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LKS2014_TPRA.doc Bagian D

BAGIAN D GAMBAR / DRAWING

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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Drawing R.001 1

2

3

4

5

6

7

8

10

9

X

A

A

90

FACE OF COOL SIGN B

B

40

Y

C

C

180

X D

D

Y position the components by yourself E

E

F

F Skala : 1: 10

1

2

3

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

4

5

6

7

8

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9

10

Drawing R.002 1

2

3

4

5

7

6

8

10

9

A

A

condensing unit

B3 fan speed controller

cooling system

PT

B

B

10x10x6mm T piece

M2 check valve 6mm

6mm

10mm

TC

Q1

TXV

SG

Q2

drier

solenoid valves

C

TSIHL schraeder valve

capacity regulator 10mm

Ball Valve

PC

heat rejection

10mm

heat recovery

10mm

12mm to 10mm reducer

D

thermostat warm water

10mm

B2

6mm 12mm

C

12mm

10x10x6mm T piece

PIH HP gauge

6mm

D

heat-recovery

6mm

B1F

Insulation 10mm

M1

PSH / PSL Dual HP / LP Switch

We keep the world 6mm

E

PIL

12mm x 1

E

LP gauge

10mm Insulation

see drawing no’s.: R003, R005, R005 F

F

1

2

3

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

4

5

6

7

8

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9

10

Drawing R.003 1

2

3

4 125

325

7

6 125

325

45°

45°

10

9

125

325

150 75

45 °

8

325

150

75

A

5

45 °

75

A

(8

45°

45°

75

45°

9)

B

500

B

C

C

brazing connections on backside

D

60

22

100

12 x 1

E

D

wood

backside

frontside

E

on frontside with tubebender

F

Skala : 1 : 5 Dimensi dalam mm

1

2

3

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

4

5

6

7

8

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9

10

F

Drawing R.004 1

2

3

4 125

325

5 325

7

6 125

8

325

10

9

125

325

A

A

inlet B

500

B

C

C outlet

D

D

E

E

F

F 12 x 1

1

2

3

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

4

5

6

7

8

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9

10

Drawing R.005 1

2

3

4

5

6

7

8

10

9

A

A

REAR VIEW REFRIGERANT FLOW DIAGRAM

B

B

Liquid & Vapour from TXV & HGBV capacity regulator

C

C

100

D

D suction line 60 Competitors are free to determine pipe work, component and bracket location

E

E

F

F

1

2

3

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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5

6

7

8

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9

10

Drawing R.006

900

600

50

50

Filter drier

46

900

150

10

0

0

X 1:1

Skala 1:10 Dimensi dalam mm

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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Drawing R.007

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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LKS2014_TPRA.doc Bagian E

BAGIAN E PERALATAN & PERLENGKAPAN PESERTA

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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 Writing equipment, including, pencils, coloured pens, paper, highlighters Tape measure: 5 m Centre punch Pipe reamer Scribe Set of drills: 1-10 mm Spirit level Tong-ammeter Metal Rule: 300 mm Knife Hammer Hacksaw Screw drivers Try-square Set squares Long nose pliers Mechanical tasks Tube cutter, up to 22 mm Files: flat, half round and round Pipe Bending Machine 6 mm Pipe Bending Machine 10 mm Pipe Bending Machine 12 mm Mechanical tube benders, Set of spanners up to 25 mm Shifting spanners Side cutting pliers Steel wool Oil can

Refrigeration Set of gauges R-134a and R410A Gauge manifold set R134a and R410A Vacuum gauge, down to 50 Pascal Scale digital balanced Ratchet key Schrader valve key Allen keys – imperial and metric Vacuum pump Digital Thermometers with at least 2 sensors Electronic Leak Detector Leak detection solution Small mirror Electrical Work Wire Strippers Electrician’s pliers Multigrips Electrical Crimping Tools Megohmmeter Multi-meter Safety Clothing, long sleeves, long work trousers Emergency cloth Safety shoes Clear Safety glasses Gloves

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LKS2014_TPRA.doc Bagian F

BAGIAN F SKEMATIK PENILAIAN

Test Project For Skills Refrigeration and Air Conditioning National Vocational Students Skills Competition - 2015

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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

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