10. Painting - Main unit: Rust-preventive paint - Control panel: Finish paint. 11. Accessories - Operation manual - Washer (for ﬁxing foundation bolts) - Gasket and sealant for rupture disk - Purge pump oil - Matching ﬂanges, gaskets, bolts and nuts. 3. Factory test 1. Check of external dimensions 2. Hydraulic pressure test of water headers Test pressure is 1.5 times of maximum working pressure 3. Vacuum-side leak test 4. Electric insulation resistance test 5. Dielectric breakdown test 6. Function test of electric circuit and safety devices 4. Scope of supply of the purchaser 1. Building and foundations 2. External chilled water, cooling water and steam piping work including various safety valves, isolation valves, mating ﬂanges, gaskets, bolts and nuts, etc.
3. External wiring and piping for the chillers including necessary parts 4. Insulation for the chillers including necessary parts. 5. Finish painting of the chillers (if needed) 6. Cooling water entering temperature control device 7. Cooling water treatment device 8. Various temperature/pressure gauges for steam and water lines. 9. Cooling tower(s), chilled-water pump(s) and steam control valve and steam shut-off valve 10. Electric power supply (as speciﬁed) 11. Supply of chilled water, cooling water, steam and air* at rated conditions 12. Maintenance of the chiller 13. Necessary tools, labour and materials for installation and site test operation 14. Any other item not speciﬁcally mentioned in the scope of supply
* If pneumatic steam valve control is used.
Scope of order
Chilled water Temperature Flow rate Max. working pressure Hydraulic test pressure Fouling factor Tube material Water quality Structure of water header Manufacturing standard of water header Cooling water Temperature Flow rate Max. working pressure Hydraulic test pressure Fouling factor Tube material Water quality Structure of water header Manufacturing standard of water header Steam Supply pressure Speciﬁc steam consumption Max. working pressure Hydraulic test pressure Tube material Steam quality Manufacturing standard of water header
Entering: 12.2 °C, leaving: 5 °C through 12 °C Leaving: 6.7 °C, temperature difference 3 K through 10 K 0.043 l/s x kW - Changes depending on chilled water temperature difference (min 50%) 1034 kPa Max.working pressure x 1.5 0.018 m2 K/kW Max. 0.18 m2 K/kW Copper tube Refer to JRA-GL02E-1994 Removable type and epoxy treated Flanged ANSI Entering: 29.4 °C Leaving: 38.4 °C, entering: 20 °C through 33 °C 0.065 l/s per kW. Within the water ﬂow rate range of each model 1034 kPa Max. working pressure x 1.5 0.044 m2 K/kW. Max. 0.18 m2 K/kW Copper tube Refer to JRA-GL02E-1994 Hinged type and epoxy treated Flanges ANSI 100 kPa, 50 kPa through 100 kPa, max. 5 K superheat 2.22 kg/h/kW. Changes depend on the speciﬁcations. 146 kPa Max. working pressure x 1.5 9/1 Copper nickel tube Refer to JIS-B-8223 Flanged ANSI
1540 kPa, 2068 kPa Max working pressure x 1.5 Cu Ni tube No option No option No option
1540 kPa, 2068 kPa
Cu Ni tube No option No option No option
No option No option No option No option No option