Sumitomo F-20L, Руководство по эксплуатации, Страница: 19 / 56

Specifications
15
NOTE
Operating the equipment out of specifications may void the warranty.
Mounting Position
Compressor must be mounted base down and level within 5 degrees of horizontal.
Cooling Requirements
Cooling water flow rate: 1.9-3.8 L/min (0.5-1.0 GPM)
Cooling water inlet temperature: 4 to 27° C (40 to 81° F)
Cooling water outlet temperature: 45° C (113° F) maximum
Cooling water supply pressure: 8 bar (116 psig) maximum
Pressure drop at 9 L/min: <1 bar (<14.5 psig)
Alternative coolant 50% pure ethylene 50% water
Ethylene glycol/water (50/50) flow rate 2.2-4.4 L/min (0.6-1.2 GPM)
Water Quality Requirements
Water supplied for cooling the compressor should be filtered through a 300-micron screen and
meet the following quality limits:
Item Initial Values for non-
Replenished (closed) System
Values for Continuously
Replenished (open) System
Suspended solids, µg/L <250 <250
Particle size, µm <300 <300
pH (25° C) 6.5 to 8.0 6.5 to 8.0
Alkalinity (ppm) 100 max. 50 max.
Hardness (ppm) 200 max. 50 max.
Chloride (ppm) 200 max. 50 max.
Sulfate (ppm) 200 max. 50 max.
Iron (ppm) 1.0 max. 0.30 max.
Sulfur ion (ppm) None detected None detected
Ammonium ion (ppm) 1.0 max. 0.20 max.
Silica (ppm) 50 max. 30 max.
Calcium (ppm) 100 max. 50 max.
Magnesium (ppm) 100 max. 50 max.