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Johnson Controls Frick 852 - Quantum LX EZ-Cool Liquid Injection Adjustment; Analog Output Calibration

Johnson Controls Frick 852
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RWH ROTARY SCREW COMPRESSOR UNITS
OPERATION
070.620-IOM (DEC 12)
Page 19
Figure 23 - Port Locations
QUANTUM
LX EZ-COOL
LIQUID INJECTION ADJUSTMENT PROCEDURE
Figure 24 - Analog Output Calibration
Use the following directions to set up and tune the EZ-Cool
LIOC with a Quantum
LX Control Panel. Also refer to publi-
cation 090.022-O, Quantum
LX Operation, for an overview
of PID control.
First, complete calibration of the analog output used for
EZ-Cool
LIOC. Typically, this will be analog output #1 for PID #1.
Power down the panel and remove the two control
wires for the valve from terminals 1 & 2 of the P11A
terminal strip of analog board #1.

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