070.250-IOM (APR 11)
Page 7
408 MM ROTARY SCREW COMPRESSOR
INSTALLATION
control piston. When in the unloaded position, gas is
bypassed back to suction through a recirculation slot before
compression begins and any work is expended, providing
the most efficient unloading method available for part-load
operation of a screw compressor.
INSTALLATION
DESIGN LIMITS
General information for all of the models is provided below.
Please see CoolWare to determine the limits for a specific
application.
The rotor and bearing design set limitations of the 408 mm
compressors must not be exceeded (See CoolWare). Refer
to Johnson Controls-Frick Compressor Control Panel
instruction 090.040-O for additional information on
setpoint limits.
OUTLINE DIMENSIONS
Drawings
for reference only
can be found on the following
pages. Complete dimensions and access connections can
be found on the outline drawing
534E1237.
If you do not
have this drawing, please request it by contacting Johnson
Controls-Frick sales.
