Deltech Fitness 8000 instruction manual System Operation Monitor, Indicating Lights

￿The coalescing filter removes oil mists, separates liquid oil and condensate, and automatically dis- charges these contaminants from the purifier.

￿The activated carbon filter removes hydrocarbon vapors to eliminate objectionable tastes and odors.

￿The air-to-air heat exchanger heats the air before it enters the catalyst cartridge ￿ to increase the carbon monoxide conversion efficiency. At the same time, this exchanger cools the purified air leaving the cata- lyst cartridge to increase the relative humidity for greater worker comfort.

￿The reheater (air-to-refrigerant heat exchanger) uses waste heat from the refrigerant compressor to further heat the air before it reaches the catalyst.

￿The catalyst converts carbon monoxide to carbon dioxide at an efficiency of 95 percent or higher. The catalyst must be replaced once a year to assure effi- cient conversion.

￿The particulate filter removes fine particles to pro- tect sensitive respirators and related equipment.

￿100 percent of the inlet air is supplied as Grade D compressed breathing air at the purifier outlet.

SYSTEM OPERATION MONITOR

The System Operation Monitor measures and displays critical air and refrigerant temperatures, signals operat- ing conditions which may affect dryer performance, and enables panel adjustment of the automatic drain valve. There is also a light to indicate the need for rou- tine service, including replacement of the filter ele- ment.

The monitor (refer to Figure 2) consists of:

•indicating lights

•alphanumeric display

•controls (push buttons) that provide access to critical air and refrigerant temperatures

•schematic with lights that correspond to the lo- cations of the temperature sensors in the system

•drain valve controls

•thermocouples

Indicating Lights

The System Operation Monitor has four indicating lights: NORMAL OPERATION, CHECK OPERAT-

ING CONDITIONS, SERVICE DUE AND SYSTEM ALARM. Table IV provides instructions for using the indicating lights to monitor dryer operation.

Figure 2. System Operation Monitor

Pyramid 8000® Series Purifiers (Bulletin 289) 5