RXB PLUS ROTARY SCREW COMPRESSOR UNITSS70-101 IOM
Page 50
In situations where system load conditions increase or de-
crease over extended periods of time and the liquid injec-
tion thermal expansion valve is not adequate for the new
conditions, an improvement in valve performance may be
achieved by increasing or decreasing discharge tube size.
NOTE: DO NOT ATTEMPT TO ADJUST SUPERHEAT AD-
JUSTMENT STEM ON BOTTOM OF VALVE IN AN EFFORT
TO CHANGE THE VALVE’S PERFORMANCE. THIS AD-
JUSTMENT IS PRESET AT THE FACTORY. ONLY ADJUST
1/4" BLEED VALVE ON EQUALIZING LINE.
THERMAL EXPANSION VALVES
TYPE H THERMAL EXPANSION VALVE (2-1/2 TO 16
TONS) R-22
JORDAN TEMPERATURE REGULATOR VALVE
(For low differential pressure applications)
TYPE D THERMAL EXPANSION VALVE (1-15 TONS)
R-717
TYPE A THERMAL EXPANSION VALVE (20-100 TONS)
R-717
MAINTENANCE
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