COOLING
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
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
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 .
* If pneumatic steam valve control is used .
Scope of order
Item Standard Option
Chilled water Temperature
Flow rate
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 %)
Max . working pressure |
1034 kPa |
1540 kPa , 2068 kPa |
Hydraulic test pressure Fouling factor Tube material Water quality Structure of water header Manufacturing standard of water header |
Max . working pressure x 1.5 0.018 m 2 K / kW Max . 0.18 m 2 K / kW Copper tube Refer to JRA-GL02E-1994 Removable type and epoxy treated Flanged ANSI |
Max working pressure x 1.5
Cu Ni tube No option No option No option
|
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 : 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 m 2 K / kW . Max . 0.18 m 2 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
Cu Ni tube No option No option No option
No option No option No option No option No option
334 C A R R I E R 2 0 1 6 / 2 0 1 7