Download - AC Presisi Uniflair
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Oleh :
Amirudin
Budi Mulyono
NurrokhmatVerga wirgo
Saputra Hadi
Gilang Panggalih
OJT Telkom Property Batch #2
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AC Presisi
AC presisi adalah suatu alat pengatur suhu ruang tetapi juga bisa mengaturkelembaban.
AC comfort Ac Presisi
1. Di design hanya untuk
kenyamanan2. Hanya menjaga temperatur
ruangan, tidak di design menjagakelembaban
3. Blower yang kecil, lambat dalammencapai temperatur set ruangan
4. Di design untuk running hour 8
10 jam per hari
1. Kemampuan menjaga temperatur
ruangan dengan stabil2. Selain menjaga temperatur, ac
presisi juga bisa menjagakelembaban
3. Air flow yang besar4. Cocok di gunakan di ruang
server/data centre/ ruang IT5. Running hour bisa 24 jam
nonstop
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Sistem refrigeration kompresi uap
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Identifikasi unit
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Type air supply
fig. 1.A Air intake directly from the top of the unit (via ductwork) and air delivery through the voidunder a raise access floor.
fig. 1.B Air intake directly from the top of the unit (via ductwork) with enclosed floor stand and frontdelivery.
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fig. 1.C. air intake from the base and air delivery on the top (via ducts).
fig. 1.D. air intake from the front and air delivery on the top (via ducts).
fig. 1.E. air intake from the front and with front delivery plenum.
fig. 1.F. air intake from the rear and delivery on the top (via ducts).
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Type system ac presisi uniflair
1. DX series
- air cooled direct expansion unit
- water cooled direct expansion unit
2. Chilled water
3. Twin cool unit
- chilled water
- Air cooled direct expansion unit- Water cooled direct expansion unit
4. Energy saving unit
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DX Series
Air Cooled Direct Expansion Unit
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DX Series
Water Cooled Direct Expansion Unit
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TwinCool Unit
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Energy Saving Unit
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Komponen dari AC Presisi
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Bagian-bagian unit :
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Operation procedure
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Operation procedure
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MAINTENANCE
WEEKLY: - check that room conditions on the control panel display are normal; - (for Direct expansion units ) check the refrigerant charge and the sight flow glass (the presence of a
few bubbles is normal); - check normal room temperature and noise levels of compressor and fans; - check the air filters; clean or change the filters when the dirty filter alarm comes on; - check that the power supply voltage is within design limits. MONTHLY:
- check normal condensation and evaporation pressures; - check the cylinder and the feed and drain valves of the humidifier: replace the cylinder when the
specific alarm comes on (see microprocessor instruction manual); - check the flow of condensate to the drain; - check remote condensers or external radiators: remove all foreign objects (leaves, seeds, dust, etc.)
uses an air compressor or water; - check the correct functioning of the chilled water valve (on SDC-SUC models). - check correct pressostatic valve operation (option for water-cooled models). YEARLY:
- check that electrical terminals are tight and in good condition; - check that the concentration of ethylene glycol and passivating inhibitor complies with the
suppliers instructions (water-cooled models).
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PROBLEM SOLVING
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TERIMA KASIH