Description
Controller Models: XLR130 and XLR170, microprocessor-based controllers, suitable for medium or low-temperature refrigerating unitsOutputs: XLR130 has four relay outputs, while XLR170 has six. Outputs control compressor, defrost (electrical or hot gas for XLR170), evaporator fans (XLR170), lights, alarm, and auxiliary functions.Inputs: Three NTC or PTC probe inputs provided: one for temperature control, one for controlling defrost end temperature of the evaporator, and an optional one for display. Two digital inputs (free contact) for door switch, configurable by parameter.Connectivity: Standard TTL output allows connection to ModBUS-RTU compatible monitoring system via TTL/RS485 external module. Parameter list can be programmed using "Hot Key".Additional Features: Optional Real-Time Clock available for each model allows programming of up to eight daily defrost cycles, divided into holidays and workdays. "Day and Night" function with two different set points for energy-saving.