ClimateMaster DC Series Specifications

Page 1Installation, Operating &Maintenance InstructionsCMC 2000 SeriesElectronic Controller Version 9.0USDCSDESDGNDLOWMEDHICLXGY1W1RSHIGND24VN-N+C

Page 10CONTROL BOARD TROUBLESHOOTING (CON'T)Possible CauseCondensate Over- Blocked drainFlow SwitchYellow LED ON Improper "P" trapOverf

Page 11CONTROL BOARD TROUBLESHOOTING (CON'T)SolutionSet thermostat on demand for cooling. Check for 24 VAC onthe Reversing Valve terminals on the

Page 12USDCSDESDGNDLOWMEDHICLXGY1W1RSHIGND24VN-N+C2P2P4C4P3C3LTSHPSLPSCONDSTG2S/NL1L2LOFANMEDFANFAN HIGH RELAY COMP. RELAYMEDLO24 VACWVRVUSDCSDESDGND

Page 2TABLE OF CONTENTSPageIntroduction 3General Information 4Overview 4General Operating Parameters 4Relay Ratings 4Optional Components 4Revision Ide

Page 3INTRODUCTIONThis Installation and Operation manual is forClimateMaster CMC 2000 Series Electronic Controller(CMC).ClimateMaster CMC Controllers

Page 4GENERAL INFORMATIONOverviewThis manual includes discussion on the followingcontroller options:Centralized communications via Direct Digital Cont

Page 5UNIT OPERATIONSingle-Phase EquipmentWire Single-Phase equipment requiring less than 10amps at 240 VAC (2.4 kva) as follows:1. Connect the incomi

Page 6acts as if a thermostat is connected and returns the unit tocontinuous heat until the thermostat is satisfied.R-HI-ME-LO Fan Speed Select (Optio

Page 7Term Description FunctionR R on thermostat 24 VAC 1/2 wave rectifiedW1 W1 on thermostat Heat modeY1 Y1 on thermostat Cool modeG G on thermostat

Page 8Interfacing the CMC 2000 Series Controllerto External EquipmentContact Factory for instructions to wire DDC controllersby others to the CMC boar

Page 9CONTROL BOARD TROUBLE SHOOTINGSolutionCheck line voltage circuit breaker and disconnect. Check for 24VAC between C1 and P1.Check 24 VAC between