AIREDALE TurboChill TCC11R04G-01, Техническое руководство

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Chillers TurboChill™ R1234ze Air Cooled and FreeCool
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Chiller Technical Manual 7752785 V1.12.0_10_2018
Maintenance
Refrigeration
Procedures
HP/LP Safety Pressure Switch Settings
Check operation of HP/LP cut-out.
Settings
LP cut-out – (Auto reset for 3 times when the Low Pressure is detected over a period of 1 hour)
Has a 2 minute delay on start-up (similar to a Low ambient kit)
Low pressure cut-out 1.0 +/- 0.3 Barg
HP switch (Auto reset): High pressure switch 12.5 Barg +/- 0.5 Barg
HP limiting function 10.7 Barg / 1.5 Barg differential
Task
Frequency
3 Mths 12 Mths 60 Mths
Refrigeration
Compare the following and compare results
with commissioning records:
Suction, liquid and discharge pressures.
●
Refrigeration system temperatures, suction, liquid and
discharge. Record superheat and sub cooling temperatures.
●
Check each circuit sight glass for dryness
and bubbles for indication of leaks.
●
Inspect the leak detector in accordance to EN378.
●
Head pressure control is maintained.
●
Check and record filter drier pressure drop.
●
Record details on F-Gas record.
●
Pressure relief valves. (replace in
accordance to building insurance)
●
Inspect Pressure relief rupture discs
●
Service Tools / Test Equipment
• Refrigerant Manifold Gauges
• Spanners
• Voltmeter
Safety Equipment
• Safety Glasses / Goggles
• Gloves
• Overalls