Terminology
Throughout this manual, the terms “Induced Draft” and “Forced Draft” are used. Below is a list of EVAPCO Closed Circuit Cooler
and Condenser products offerings and associated terminology.
Induced Draft equipment includes the following Evapco Product Models:
< ES Product Lines
• ESW - Closed Circuit Cooler
• ESWA - Closed Circuit Cooler
< AT Product Lines
• ATW - Closed Circuit Cooler
• ATC-E - Evaporative Condenser
< Containerized Product Lines
• CATW – Closed Circuit Cooler
• CATC - Evaporative Condenser
< eco Product Lines
• eco-ATW – Closed Circuit Cooler
• eco-ATWE – Closed Circuit Cooler
• eco-ATC - Evaporative Condenser
Forced Draft equipment includes the following Evapco Product Models:
< LR Product Lines
• LRW - Closed Circuit Cooler
• LRC - Evaporative Condenser
< LS Product Lines
• LSWA - Closed Circuit Cooler
• LSCE - Evaporative Condenser
< PM Product lines
• PMCQ - Evaporative Condenser
Initial Storage and/or Idle Period Recommendations
If the unit will sit for idle periods of time it is recommended that the following be performed in addition to all component
manufacturers recommended maintenance instructions.
• The fan, pump and motor bearings need to be turned by hand at least once a month. This can be accomplished by tagging
and locking out the unit’s disconnect, grasping the fan assembly (or removing pump motor fan guard), and rotating it several
turns.
• If unit sits longer than one month insulation test motor windings semi-annually.
• If fan motor sits idle for at least 24 hours while the spray pumps are energized distributing water over the coil, motor space
heaters are suggested and (if equipped) should be energized. Alternatively, fan motors may be energized for 10 minutes,
twice daily, to drive any moisture condensation out of the motor windings.
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