Buku Sistem Instalasi dan Tata Udara Kelas 11 SMK

Materi Sistem Instalasi dan Tata Udara

KATA PENGANTAR ................................ ................................ ................................ . ii
DAFTAR ISI ................................ ................................ ................................ ............... iii

I. PENDAHULUAN ................................ ................................ ............................... 1
A. Deskripsi ................................ ................................ ................................ ........ 1
B. Kompete nsi Inti dan Kompetensi Dasar ................................ ........................ 2
C. Silabus ................................ ................................ ................................ ........... 4
D. Rencana Aktivitas Belajar ................................ ................................ ........... 17
I. PEMBELAJARAN ................................ ................................ ............................ 17

A. Kegiatan Belajar 1 ................................ ................................ ....................... 18
Memeriksa Fungsi dan performansi Unit Tata Udara ................................ ............ 18
1. Pemeriksaan Kebocoran ................................ ................................ .......... 19
2. Pemeriksaan Tekanan kondensasi ................................ ........................... 21
3. Pemeriksaan COP ................................ ................................ .................... 25

B. Kegiatan Belajar 2 ................................ ................................ ....................... 28
Menentukan Gangguan Mekanik pada Unit Tata Udara ................................ ........ 28
1. Prinsip Umum ................................ ................................ .......................... 32
2. Kontaminasi Uap Air ................................ ................................ ............... 33
3. Udara di dalam Sistem ................................ ................................ ............. 37
4. Lost Charge ................................ ................................ .............................. 38
5. Kompresi Kurang Optimal ................................ ................................ ....... 39
6. Kompresor Terbakar ................................ ................................ ................ 39
7. Ice Blocked ................................ ................................ .............................. 40
8. Blocked Condenser ................................ ................................ .................. 41

C. Kegiatan Belajar 3 ................................ ................................ ....................... 44
Memelihara Alat Penukar Kalor ................................ ................................ ............ 44
1. Merawat Alat Penukar Kalor ................................ ................................ ... 46
2. Peralatan yang Diperlukan ................................ ................................ ....... 46
3. Prosedur Pencucian Alat Penukar Kalor ................................ .................. 51

D. Kegiatan Belajar 4 ................................ ................................ ....................... 56
Mengganti Kompresor Hermetik ................................ ................................ ........... 56

E. Kegiatan Belajar 5 ................................ ................................ ....................... 61
Retrofitting Unit Tata Udara Do mestik ................................ ................................ .. 61
1. Lapisan Ozon ................................ ................................ ........................... 62  
2. Bahan Perusak Ozon (BPO) ................................ ................................ .... 64
3. Penghentian Pemakaian BPO ................................ ................................ .. 66
4. Retrofit ................................ ................................ ................................ ..... 69

DAFTAR PUSTAKA ................................ ................................ ................................ 79