Bird Technologies 8890-300SC13-Manual - Manual (Page 5)

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Caution Statements
The following equipment cautions appear in the text whenever the
equipment is in danger of damage and is repeated here for emphasis.
CAUTION
The Bird 8890-300SC13 is not designed for use with a blower. Do not
install a blower on the unit. Doing so will void the warranty.
CAUTION
This load is designed for operation in a horizontal position only, with
the vent plug up. Do not use in any other manner.
CAUTION
If installed, connect optional interlock before applying RF power.
CAUTION
Use only Bird coolant, P/N 5-1070, to prevent damage to the load.