SECTION III. OPERATION UNDER USUAL CONDITIONS
PREPARATION FOR USE.
a. Inspect the entire unit for external damage. Report any
deficiencies to the proper maintenance level.
when working with
injury or death.
c. Perform preventive maintenance checks and services.
STARTING THE EQUIPMENT.
Before you operate: Always keep in mind the CAUTIONS AND WARNINGS.
Failure to comply can result
a. Ventilation mode.
Turn rotary control switch to FAN position.
Adjust damper to admit fresh air as desired.