Firestats are furnished as standard equipment. Manual reset types are mounted in the return air and supply air stream. They will shut off the unit completely when either firestat detects excessive air temperatures.
On this type of unit, the blowers are turned by one motor with a shaft connecting the two fans. There are three small fan motors and blades mounted to exhaust air from the unit. There are four condenser fans. The evaporator coil is slanted. There are two condenser coils mounted at angles. There are two compressors. The path for the return air is through the filters and evaporator coil back to the supply-air ductwork.
