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__________should be checked at least annually to ensure the air economizer is operating properly: A) Setting and operation of the outdoor thermostat or enthalpy control
__________should be checked at least annually to ensure the air economizer is operating properly: A) Setting and operation of the outdoor thermostat or enthalpy control B) Proper damper operation and damper lubrication C) Correct operation of the system when a call for cooling comes from the thermostat D) all of the above
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The General Managers
Authors: John P. Kotter
1st Edition
0029182301, 978-0029182307
