McQuay MWMV Specifiche

Installation and Maintenance Manual IM 447-11Group: WSHPPart Number: 910153322Date: April 2014Legacy Console Water Source Heat Pumps 3/4 to 1½ TonUni

Piping1. All units are recommended to be connected to supply and return piping in a two-pipe reverse return conguration. A reverse return system is

Cleaning and Flushing System1. Prior to rst operation of any conditioner, the water circulating system must be cleaned and ushed of all constructio

Figure 7: Standard electrical connection - Junction boxAir Coil5.0"Control BoxEscutcheon PlateCompressor CoverWiring DiagramFan Motor Cover(127mm

Operating Limits Environment This equipment is designed for indoor installation only. Sheltered locations such as attics, garages, etc., generally wil

Unit Electrical Data TableTable 6: Unit Electrical DataUnit SizePower CompressorMotor FLATotal Unit FLAMin. VoltsMin. Circuit AmpacityMax. Fuse SizeVo

Unit Operation – GeneralMark IV/AC-Control Units Note: At start-up of unit, ensure that temperature, ow rate and voltage are within specied limits

The Mark IV/AC control board has a lockout circuit to stop compressor operation if any one of its safeties opens (high pressure or low temperature). I

Control Options on Mark IV/AC UnitsFigure 12: Auxiliary RelayNote: The auxiliary relay is designed to interface external equipment with the Mark IV/A

Thermostat Connection DiagramsProgrammable Electronic Thermostat Two-Stage Heat/Two-Stage Cool, 7-Day ProgrammableDimensionsSpecicationsElectrical Ra

Optional Remote Sensor(Used with Thermostats 668375301 & 668375401)The fast, easy solution for temperature sensing problems.• For tamper prone ar

Multiple Unit Control Panel for Mark IVUp to 3 Units (Part No. 056794201)Figure 16: Multiple Unit Control Panel and BoardMUCP Circuit BoardThe multipl

Field Installed Outside Air Damper (Accessory) CAUTIONTo prevent inltration of ambient conditions, it is the responsibility of the contractor to assu

Motorized Outside Air Damper WiringFigure 21: Right-hand unit installation detailBushing, Strain ReliefWire TieHousing PlugHousing ReceptacleFront Vie

Unit Operation Check List Connect supply power to the unit and conrm green LED illuminates on the Mark IV control board. Adjust all valves to the

Compressor attempts to start but doesn’t:1. Check capacitor.2. Check for defective compressor by making resistance check on winding.3. Check run ca

www.DaikinApplied.com 25 IM 447-11Maintenance1. Filter changes are required at the regular intervals. The time period between changes will depend up

typiCal Wiring diagraMsTypical Mark IV/ACFanMotor070 - Blk060 - Blk048 - Red042 - Blk036 - Blk030 - BlkComprMotorCC - Compressor ContactorHTR - Crankc

typiCal Wiring diagraMsConsole WSHP Size 009–019, All Voltages, 60Hz / Single Phase, Mark IV Board with Manual Changeover (MCO) - Plug ConnectionTB

typiCal Wiring diagraMsConsole WSHP Size 009–019, All Voltages, 60Hz / Single Phase, Mark IV Board with Auto Changeover (ACO) - Plug ConnectionTB

typiCal Wiring diagraMsConsole WSHP Size 009–019, All Voltages, 60Hz / Single Phase, Mark IV Board with Auto Changeover (ACO) Remote Thermostat - P

www.DaikinApplied.com 3 IM 447-11Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Product Identiers ...

typiCal Wiring diagraMsConsole WSHP Size 009–019, All Voltages, 60Hz / Single Phase, Mark IV Board with Manual Changeover (MCO) Boilerless Constant Fa

typiCal Wiring diagraMsConsole WSHP Size 009–019, All Voltages, 60Hz / Single Phase, Mark IV Board with Auto Changeover (ACO) Boilerless with Remote T

Job Name _________________________________________________________ Check, Test & Start Date ________________ City or Town _____________________

Unit Check / Equipment DataInstallation DataJob Name ___________________________________________________ Check Test Date: __________________________Ci

Commercial Check, Test and Start Worksheet(Complete all equipment measurements indicated for each unit per installation on page 2)Model Serial # H.P.

Notes / CommentsForm WS-CTS-00.01 (Rev. 4/14)www.DaikinApplied.com 35 IM 447-11

IM 447-11 ©2013 Daikin Applied (12/13) | (800) 432–1342 | www.DaikinApplied.comDaikin Applied Training and DevelopmentNow that you have made

Model noMenClatureNomenclatureNote: Text displayed in Bold-Italics designate standard offering.Category Code Item Code Option Code Designation &

Product IdentiersPrevious ModelReplacement ModelCabinet Subbase Height ControlsChassis Only2Slope Top Flat Top High Sill Low Sill Mark IV1DDC Less B

Receiving and StorageUpon receipt of the equipment, check carton for visible damage. Make a notation on the shipper’s delivery ticket before signing.

Unit Location 1. Console water source heat pumps are designed to be installed in a controlled environment. 2. All units are to be installed against

Figure 2: Chassis (Left-hand slope top unit shown)9.0"(229mm)Control DiagramCompressor/Control BoxAccess CoverEscutcheon PlateWiring DiagramFan/C

Note: All plumbing connections are made the same way whether or not the unit has valve packages. Whether or not you utilize our hose kits and shutoff