CSZ ZP 16, Installation, Operation & Maintenance Manual, Page: 55 / 88

OPERATION
Page 4-7
Event # 3
Event # 5
Event # 1
Optional High/Low
Limit Controller
Event # 2
Event # 4
Power On/
Off
Watlow F4 Controller
Audible
Alarm
Chamber Hi Limit
(Indicator) Light On/
Off
Event Outputs
Event # 1: Conditioning system. Turns on refrigeration system components.
Event # 2: Humidity system. Turns on humidity system components.
Event # 3: Auxiliary cooling system. Turns on LN2 or C02 boost cooling components.
Event # 4: Dry air purge system. Turns on GN2 and or air dryer components.
Event #5: Turns on Frozen Coil for low RH mode.
Event # 6-8: User de fi ned event. Can be used to turn on test equipment, initiate a test cycle, etc.
Figure 2. Watlow F4 Controller Outputs
Note: CSZ is continuously upgrading the components used
in its equipment. Consequently, the physical appearance of
certain components may vary from that shown.