MTD 070 Series Installationshandbuch

Large Horizontal Water Source Heat Pump UnitsSize 070, 090, 120Model CDD, CDE, CDL, CDS, CME, CMG, CMSInstallation & Maintenance DataGroup: WSHPPa

Page 10 / IM 526Operating LimitsExtended RangeStandard UnitsUnitsCooling Heating Cooling HeatingMin. Ambient Air 50˚F/10˚C 50˚F/10˚C 40˚F/5˚C 40˚F/5˚

IM 526 / Page 11Notes:1. On 208/230V size 070, 090, and 120 units, unit is factory wired for 208Voperation. If 230V power supply is used, transformer

Page 12 / IM 526Gnd LugL11261M125223PB1123T1L2T2L3T3L1T1222327Heater(Ext. Rng. Only)Heater(Ext. Rng. Only)Compr.Mtr.128(50Hz Only)19M2T1T2T3L1L2L31213

IM 526 / Page 13Unit OperationTwo types of units are available: Mark IV/AC control units orunits equipped with the new MicroTech 2000 Water SourceHeat

Page 14 / IM 526Read OutputsCheck TimersHiPres. Sw ?Brown Out ?Low Temp Sw ?Lo Shed ?N S B ?Cond. Overflow?R - W 1 ?R -Y 1 ?Stop Comp.Flash Red LED

IM 526 / Page 15New MicroTech 2000 WSHP Controller UnitThe MicroTech 2000 WSHP unit controller is a prepro-grammed, pretested microprocessor which:● C

Page 16 / IM 526WSHP Mark IV/AC Board Low Voltage Terminal Strip (Circuit1)OW2GW1Y1 F E L U A P V R CRCW1Y1 W2 Y2 GThermostat Terminals7-Day Programma

IM 526 / Page 171. Remove cover from remote sensor housing.2. Select an appropriate location for mounting the remote sensor.3. Mount remote sensor

Page 18 / IM 526WSHP Mark IV/AC Board Low Voltage Terminal Strip (Circuit1)OW2GW1Y1 F E L U A P V R C123Auxiliary RelayOrangeYellowWhite45231BLBKGNVal

IM 526 / Page 19Pump Restart Relay Kit P/N 061419001Used as an option with the Mark IV/AC board, the pumprestart relay kit provides a means to alert t

Page 2 / IM 526Model NomenclatureProduct CatagoryW = WSHPProduct IdentifierSee box belowDesign Series1 = A Design 4 = D Design2 = B Design 5 = E Desig

Page 20 / IM 526The BSK field installed kits include the sheet metal enclo-sure with cover, wire harness, boilerless system board, aux-iliary relay, a

IM 526 / Page 21Field Installed Options on MicroTech 2000 UnitsMicroTech 2000 units can provide up to 4-outputs, that canbe configured for any of the

Page 22 / IM 526Low Voltage, check powersupply voltageFuse may be blown, circuitbreaker is openWires may be loose or broken.Replace or retighten wires

IM 526 / Page 23Maintenance1. Normal maintenance on all conditioners is generally lim-ited to filter changes. Sizes 070, 090 and 120 with capsshould b

©2006 McQuay International • 800.432.1342 • www.mcquay.com IM 526 (Rev. 6/06)®WarrantyAll McQuay equipment is sold pursuant to its sta

IM 526 / Page 3Transportation & StorageInstallationGeneralUpon receipt of the equipment, check carton for visibledamage. Make a notation on the sh

Page 4 / IM 526Figure 1. Hanger bracket detail, sizes 070 thru 12044"(1118mm)42"(1067mm)80" (2032 mm)82" (2083 mm)AirflowCompCompC

IM 526 / Page 5DeflectionForcehDdSpan Length (t)Ch =t642. Adjust sheave pitch diameter for desired speed by open-ing moving parts by half or full tur

Page 6 / IM 526Ductwork & AttenuationDischarge ductwork is normally used with these condition-ers. Return air ductwork may also be required.All du

IM 526 / Page 7Electrical Data1. Verify the compatibility between the voltage and phaseof the available power and that shown on the unit serialplate.

Page 8 / IM 526Union fittings in the copper lines should be applied tofacilitate removal. Factory supplied condensate hoseassemblies have pipe thread

IM 526 / Page 9Start-up1. Open all valves to full open position and turn on powerto the conditioner.2. Set thermostat for “Fan Only” operation by sele