Buku Kontrol Refrigasi dan Tata Udara Kelas 11 SMK

Buku Kontrol Refrigasi dan Tata Udara Kelas 11 SMK


Kelas 11
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Penerbit Direktorat Pembinaan Sekolah Menengah Kejuruan
Tahun 2014
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Materi Kontrol Refrigasi dan Tata Udara

KATA PENGANTAR ................................ ................................ ................................ iii
DAFTAR ISI ................................ ................................ ................................ ............. iv

I. PENDAHULUAN ................................ ................................ ............................... 1
A. Deskripsi ................................ ................................ ................................ .......... 1
B. Kompetensi Inti dan Kompetensi Dasar ................................ ........................... 2
C. Silabus ................................ ................................ ................................ ............. 4
D. Rencana Aktivitas Belajar ................................ ................................ .............. 16

II. PEMBELAJARAN ................................ ................................ ............................ 17
A. Kegiatan Belajar 1 ................................ ................................ ......................... 17
Memeriksa Sistem dan Rangkai an Kontrol Otomatik. ................................ .......... 17
1. Dasar Sistem Kontrol ................................ ................................ ................... 21
2. Control Loop ................................ ................................ ............................. 24
3. Mode Kontrol ................................ ................................ ............................. 28
4. Komponen Sistem Kontrol ................................ ................................ ........... 49

B. Kegiatan Belajar 2 ................................ ................................ ........................... 54
Memeriksa Kondisi Operasi Sakelar Otomatik berbasis Suhu ............................. 54
1. Prinsip Pengontrolan Suhu ................................ ................................ ....... 55
2. Pemeriksaan Thermostat ................................ ................................ .............. 64
3. Pengaturan Range dan Di fferential ................................ ................................ 67

C. Kegiatan Belajar 3 ................................ ................................ .......................... 71
Memeriksa Sistem dan Rangkaian Pengontrolan Suhu ................................ ....... 71
1. Perangkat Kontrol ( Control Device ) ................................ .......................... 71
2. Thermostat ................................ ................................ ............................... 73

D. Kegiatan Belajar 4 ................................ ................................ ......................... 87
Menentu kan Sistem dan Rangkaian Pengontrolan Operasi Kompresor ............. 87
1. Pengontrolan Motor Kompresor Berbasis Suhu ................................ ........ 88
2. Pengo ntrolan Motor Kompresor Berbasis Tekanan ................................ .. 96
3. Piranti Pengaman ................................ ................................ ................... 101

E. Kegiatan Belajar 5 ................................ ................................ ....................... 107
Menganalisis Gangguan Kelistrikan Refrijerasi dan Tata Udara ........................ 107
1. Gangguan Pada Rangkaian Kompresor ................................ ................. 107
2. Ga ngguan Pada Pressure Control ................................ .......................... 116
3. Pelacakan Gangguan ................................ ................................ ............. 118

DAFTAR PUSTAKA ................................ ................................ .............................. 130