check for refrigerant overcharge

or a capacitance reading outside of the 189-227 MFD range when tested with a multimeter

Will this switch fit my 30GT series chiller

making it compatible with shell-band mount configurations

Technicians should verify coil insulation and plunger travel during installation to ensure optimal flow characteristics

Carrier HH19ZA135 Limit Switch 318518-761 check for refrigerant overchargeFor contractors servicing Carrier residential and light commercial equipment, the Carrier HH19ZA135 Limit Switch is a critical safety component designed for precise thermal monitoring. This fixed temperature furnace limit control features an L135 40F calibration, meaning the contacts are normally closed and will open on a temperature rise at 135F, automatically resetting once the temperature drops below the 40F differential. This genuine OEM Carrier