Honeywell Low Voltage Time/Temperature Defrost Controller

ST74A1053

Categories

Description

Low voltage time/temperature defrost controller for heat pumps. Features Reset the defrost cycle by remote contact closure. Mounts in outdoor section of heat pump. Test pins speed up defrost cycle for easy operational checkout. Reliable relay switch output. Moisture-protective board coating. Specifications Time Off: Selectable: 50/70/90 min. Time On: 10 min. (factory-set) Increased Time Off: None Operating Temperature Range: -40 F to 158 F Electrical Connections: 1/4 in. quick-connect male terminals

Manuals

#TitleLanguagesPagesUpdated
1Install InstructionsEN42022-03-22
2Submittal SheetEN62022-03-22