Test Run - Hitachi RCUE40AG2 Service Manual

Test run

This chapter describes the procedure of test run of the Air cooled water chillers and the Air to water heat pump chillers.
Content
2. Test run ....................................................................................................................19
2.1. Check before test run ........................................................................................................................... 20
2.1.1. Cabinet ......................................................................................................................................................... 20
2.1.2. Refrigerant System ...................................................................................................................................... 20
2.1.3. Electrical System .......................................................................................................................................... 21
2.1.4. Water System ............................................................................................................................................... 22
2.2. Test run method and check .................................................................................................................. 22
2.2.1. Check before Test Run ................................................................................................................................. 22
2.2.2. Cooling operation (low pressure, high pressure) ......................................................................................... 23
2.2.3. Heating operation (low pressure, high pressure) ......................................................................................... 23
2.2.4. Electrical consumption percentage .............................................................................................................. 24
2.3. Restart of Test Run ............................................................................................................................... 25
2.3.1. Check of high pressure switch (cooling operation) ...................................................................................... 26
2.3.2. Check of low pressure cut control ................................................................................................................ 26
2.3.3. 2.3.3. 2.3.3. Temperature controller Temperature controller ................................................................................................................................. Temperature controller .................................................................................................................................
2.3.4. Check of refrigerant leakage ........................................................................................................................ 26
2.4. Instruction at delivery............................................................................................................................ 27
2.5.Warning & Cautions .................................................................................................................................. 28
2.5.1. During product and electrical installation ..................................................................................................... 28
2.5.2. During operation........................................................................................................................................... 28
2.5.3. During repair and relocation ......................................................................................................................... 29
2.5.4. Other cautions .............................................................................................................................................. 29
pag. 19
SMGB0003 rev.0-01/2007
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