ClimateMaster DC Series Installation Manual

TABLE OF CONTENTSUltra Classic (VT) SeriesResidential Vertical Two-Stage GeothermalHeat PumpsInstallation, Operation &Maintenance Instructions691

Page 10 Ultra Classic (VT) SeriesHYBRID GROUND LOOP/WELL WATER SYSTEMSThe UltraClassic dual refrigerant circuits with individual water c

Ultra Classic (VT) Series Page 11Shut-off Valve with WasteVent at high pointCold InletHot Outletto homeInsulated water lines -5/8” OD 50 ft maximumPo

Page 12 Ultra Classic (VT) SeriesWater Tank Preparation1. Turn off power or fuel supply to the hot water tank.2. Connect a hose to the

Ultra Classic (VT) Series Page 13ELECTRICAL-LINE VOLTAGEAll field installed wiring, including electrical ground, must comply with the National Electri

Page 14 Ultra Classic (VT) SeriesECM FAN MOTOR“ne tune” airow adjustments. The TEST setting runs the ECM motor at 70% torque, which ca

Ultra Classic (VT) Series Page 15Cooling settings: TT, TS, GS units* Heating settings: TT, TS units* Aux/Emerg Heat settings: TT, TS, GS units*Ve

Page 16 Ultra Classic (VT) SeriesFigure 19: Low Voltage Field WiringTransformerCompressor AContactorL1L2208-230/60/1 4 Amp Max.Source Pu

Ultra Classic (VT) Series Page 17Accessory ConnectionsA terminal paralleling the compressor contactor coil have been provided on the CXM/DXM control

Page 18 Ultra Classic (VT) SeriesELECTRICAL SCHEMATIC

Ultra Classic (VT) Series Page 19Description of Operation LED Alarm RelayNormal Mode On OpenNormal Mode with UPS Warning On Cycle (closed 5 sec., Ope

Page 2 Ultra Classic (VT) SeriesGENERAL INFORMATIONStorageCAUTION: DO NOT store or install units in corrosive environments or in locatio

Page 20 Ultra Classic (VT) SeriesSafety FeaturesThe following safety features are provided to protect the compressor, heat exchangers, w

Ultra Classic (VT) Series Page 21Diagnostic FeaturesThe Status LED on the CXM control advises the serviceman of the current status of the CXM control

Page 22 Ultra Classic (VT) SeriesTROUBLESHOOTING INFORMATIONGeneralCXM board troubleshooting in general is best summarized as simply var

Ultra Classic (VT) Series Page 23See “Does not Operate in Clg”See “Only Comp Runs”StartDid Unit Attempt to Start?Did Unit Lockout at Start-up?Unit Sh

Page 24 Ultra Classic (VT) SeriesFUNCTIONAL TROUBLESHOOTINGFault Htg Clg Possible Cause SolutionMain power Problems X X Green Status LED

Ultra Classic (VT) Series Page 25FUNCTIONAL TROUBLESHOOTINGPERFORMANCE TROUBLESHOOTINGOnly Compressor Runs X X Thermostat wiringCheck G wiring at hea

Page 26 Ultra Classic (VT) Seriesq High voltage is correct and matches nameplateq Fuses, breakers and wire size correctq Low voltage

Ultra Classic (VT) Series Page 27Start up ProcedureWhen the disconnect switch is closed, high voltage is present in some areas of the electrical pane

Page 28 Ultra Classic (VT) SeriesTable 14: Unit operating pressures and temperaturesTable 12: Water Temperature Change Through Heat Exch

Ultra Classic (VT) Series Page 29NOTES

Ultra Classic (VT) Series Page 3To avoid equipment damage, DO NOT use these units as a source of heating or cooling during the construction process.

Page 30 Ultra Classic (VT) Series

Ultra Classic (VT) Series Page 31CLIMATE MASTER, INC.LIMITED EXPRESS WARRANTY/LIMITATION OF REMEDIES AND LIABILITY FORRESIDENTIAL CLASS PRODUCTSIt is

© ClimateMaster 2000 Rev.: 7/07/05DClimateMaster works continually to improve its products. As a result, the design and specifications of each produ

Page 4 Ultra Classic (VT) SeriesPhysical DimensionsINSTALLATION  

Ultra Classic (VT) Series Page 5General Unit LocationLocate the unit in an indoor area that allows easy removal of the filter and access panels, and h

Page 6 Ultra Classic (VT) SeriesCondensate DrainEach unit utilizes a condensate hose inside the cabinet as a trapping loop, therefore an

Ultra Classic (VT) Series Page 7 Type Minimum Temperature for Freeze Protection 10°F 15°F 20°F 25°F Methanol 25% 21% 16%

Page 8 Ultra Classic (VT) SeriesAntifreeze may be added before, during or after the flushing procedure. However, depending upon which tim

Ultra Classic (VT) Series Page 9Water QualityWater quality should be plentiful and of good quality. Table 4 shows recommended water quality guideline