Hydromatic I 2 Stage Control Board – ASY-221-B22

Description:

Hydromatic I 2 Stage Control BoardThis is a favorite of professional and private captains for the high end yachts they pilot. They are particularly suited to the Aqua Air and Marine Air brand of marine air conditioning chillers.The Hydromatic I two stage control board is the classic, legacy control system for multistage marine chillers. Used for over 20 years in luxury yachts, it has weathered hundreds of thousands of A/C starts on hundreds of marine air conditioning chillers around the world.The Hydromatic I stands the test of time, in large part due to its simple and robust operation.Features:Integrated and configurable 115 or 240VAC/50-60Hz Logic Power SupplySeparate Control Power Supply input available (24/115/230VAC) to power contactors and valvesSupports up to 2 stages with individual compressor, electric heater, and reversing valve outputsIsolated triac outputs for all AC control outputs8-Pin Display InterfaceHigh and Low Pressure Safety Switch Inputs for each stageOil Pressure or Flow Switch Safety Inputs for each stage that can be use with individual FreezestatsSeparate Service (condenser) Temp Sensor Inputs for each stageCommon Return and Supply Water Temp Sensor InputsSpecificarionsGeneral:Set Point Ranges: Heating 95oF to 118oF - Cooling: 42oF to 58oFStaging Temperature Range (Heating and Cooling): 1 - 6 DegreesCompressor Service Sensor Range: 25oF to 145oFFailsafe Levels: 3 LevelsSea Water Pump Cycle Time: Continuous or Cycle with CompressorElectrical:Line Voltage: 120/240 VAC Main InputAC Aux. Input (for low voltage applications): 24 - 110 VAC (with external transformer)Temperature Sensor Inputs: Micro-Air Sensor Only - NTC type 0-150tFreon & Oil pressure Sensor Inputs: Normally Closed Dry Contact (SPST) - Contact rating: 50mA or betterContactor Output Circuits: Type: SSR Triac Drive Circuits w/ Snubbers - Current: Each rated @ 5 A 12-250 VACControl Operating Current: Less than 500mA (all outputs off)Twenty-Four Volt Control Voltage:JUMPERS EXT-L1 AND EXT-L2 REMOVEDTwo Station Cooling Only:JMP 2 INPART NO. ASY-221-A15 115 VOLTPART NO. ASY-221-A22 220 VOLTPART NO. ASY-221-C15 115 VOLT 24 VOLT CONTROLPART NO. ASY-221-C22 220 VOLT 24 VOLT CONTROLTwo Station Reverse Cycle Heating & Cooling:JMP 2 OUTPART NO. ASY-221-B15 115 VOLTPART NO. ASY-221-B22 220 VOLTPART NO. ASY-221-D15 115 VOLT 24 VOLT CONTROLPART NO. ASY-221-D22 220 VOLT 24 VOLT CONTROL