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13-18-607 Page 54
SECTION 6
HEAT EXCHANGERS (OIL, AIR), AXIAL COOLING FANS
Compressor, air/oil sump and all piping and tubing may be at high temperature
during and after operation.
Do not attempt inspection or cleaning of air-cooled heat exchangers until
cooling fan has stopped rotating. Disconnect, lockout and tagout package from
power supply.
Automatic restarting or electrical shock can cause injury or death. Disconnect,
lockout and tagout package from the power supply.
OIL/AIR HEAT EXCHANGERS –
The heat of compression absorbed by the oil injected into the
compressors (for cooling and lubrication) is ultimately rejected in a convenient medium such as air (for
air-cooled cores) or water (for water-cooled cores). Proper operation of these heat exchangers is
essential for the following processes:
·
The compressors require a stable, cool (140
°
F typical at 80
°
F ambient air) supply of injection oil in
order to operate at optimal efficiency. Under these conditions, the oil core allows 37gpm oil flow with
6.4 psid pressure loss (VS170 @ 100 psig discharge pressure).
·
The lubricating and cooling oil must be kept at a normal operating temperature below 225
°
F in order
to preserve its longevity.
Содержание AirSmart VS135A
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