PUHY-P500YSHM-A PQHY-P250YHM-A PFD …

1 DATA BOOKAIR CONDITIONERSMODELPUHY-P250 YHM-APUHY-P500 YSHM-APQHY-P250 YHM-APFD-P250VM-EPFD-P500VM-E1 The water circuit should be a closed circuit. Ask an authorized technician to install the accessories. Improper installation by the user may result in water leakage, electric shock, or use an air cleaner, humidifier, electric heater, and other accessories specified by mitsubishi Electric. ContentsSafety PrecautionsI. General Equipment Descriptions1. Unit configuration table 12.

2 Operable temperature range 3II. Product Specifications1. Specifications 4(1) Indoor unit(2) Outdoor unit / Heat source unit2. External Dimensions 6(1) Indoor unit(2) Outdoor unit / Heat source unit3. Center of Gravity 11(1) Indoor unit(2) Outdoor unit / Heat source unit4. Electrical Wiring Diagrams 13(1) Indoor unit(2) Outdoor unit / Heat source unit5. Refrigerant Circuit Diagram And Thermal Sensor 176. Optional Parts 22(1) Outdoor unit7.

3 Controller 23(1) MA remote controllerIII. Product Data1. Capacity Curves 24(1) Correction by temperature(2) Part Load Performance(3) Correction by refrigerant piping length(4) Correction by indoor unit airflow rate(5) SHF Curves2. Sound Levels 28(1) Measurement condition(2) NC Curves3. Fan Characteristics Curves 30IV. System Design1. Piping Design 33(1) PFD-P250VM-E(2) PFD-P500VM-E (two refrigerant circuit system)(3) PFD-P500VM-E (single refrigerant circuit system)(4) Refrigerant charging calculation2.

4 Designing of water circuit system 373. Water piping work 494. Control Wiring 50(1) Specifications of control wiring and maximumlength of wiring5. Types of switch settings and setting methods 51(1) Address setting(2) Power supply switch connector connectionon the outdoor unit(3) Choosing the temperature detection spot byindoor unit (Factory Setting: SWC "Standard")(4) Setting the MA "Sub" controller(5) Connection of two refrigerant circuits6. Sample System Connection 53(1) System with MA remote controller(2) System with MA remote controller and AG-150A7.

5 External input/output specifications 58(1) Input/output specifications(2) Wiring(3) Wiring Method(4) Switch setting(5) Dehumidification priority control(6) Normal/Local switching switch (SW9)8. System Rotation Control 639. Notes on the use of optional accessories 6310. Caution for refrigerant leakage 64 (1) Refrigerant property(2) Confirm the Critical concentration and take countermeasureV. Air Conditioning the Computer Room1. Main Features of the Floor-Duct AirConditioners 652. Features of air-conditioner for computer room 653.

6 Step-by-Step Plan for the Implementation ofthe Air-Conditioning 664. Conditions for the Installation of Computer-Room Air Conditioners 67(1) Outdoor Temperature and Humidity(2) Indoor Temperature and Humidity(3) Matching the Volume of Air Flow(4) Considering a Back-up Air Conditioning System5. Setting the Air conditioners 68(1) Air-Conditioning Load(2) Sample Selection of Air Conditioners6. Automatic Control of the Computer Room 70VI. Maintenance / Inspection1. Maintenance/Inspection Schedule 71(1) Approximate Long evity of Various Parts(2) Notes(3) Details of Maintenance/Inspection*PFD-type indoor units cannot be connected to outdoor units other than the ones specified above.

7 *PFD-type indoor units and other types of indoor units cannot coexist in the same refrigerant system.*It is necessary to change pulley and V-belt when using it by the power supply frequency 60Hz.*For restrictions when the PFD-type indoor units are connected (related to the system), see Design.*20HP system of the heat source unit cannot be connected to a single refrigerant using a PFD-P250VM-E as an indoor unit, connect an outdoor unit PUHY-P250 YHM-A / PQHY-P250 YHM-A to each indoor unit and operate with a built-in remote control for the indoor unit.*1: Bold line indicates refrigerant piping (gas/liquid). This system consists of single refrigerant circuit.

8 *2: Indicates TB3-type transmission line that connects the indoor and outdoor units. This system consists of single refrigerant circuit.*3: Indicates TB7-Type transmission line that allows the unit to communicate with the using a PFD-P500VM-E as an indoor unit, connect 1 PUHY-P500 YSHM-A outdoor unit to each indoor unit and operate with a built-in remote control for the indoor unit.*1: Bold line indicates refrigerant piping (gas/liquid). This system consists of single refrigerant circuit.*2: Indicates TB3-type transmission line that connects the indoor and outdoor units. This system consists of single refrigerant circuit.*3: Indicates TB7-type transmission line that allows the unit to communicate with the Unit configuration table10HP system20HP systemIndoor unitPFD-P250VM-EPFD-P500VM-EPUHY-P250 YHM-A x 2 PUHY-P500 YSHM-APQHY-P250 YHM-APQHY-P250 YHM-A x 2 Outdoor unitHeat sourcu unitModel NamePUHY-P250 YHM-A<10HP System> <20HP System>Single refrigerant circuit24V DCM-NETPAC-SC51 KUAO utdoor Unit / Heat source unitAG-150 APUHY-P250 YHM-APQHY-P250 YHM-AIndoor UnitPFD-P250VM-ETB7TB3 *2*3*1 CENTRALIZED CONTROLLER AG-150A24V DCM-NETPAC-SC51 KUAO utdoor UnitAG-150 APUHY-P500 YSHM-AIndoor UnitPFD-P500VM-ETB7*2*3*1 CENTRALIZED CONTROLLER AG-150 ATB3TB31I.

9 General Equipment Descriptions2 When using a PFD-P500VM-E as an indoor unit, connect 2 PUHY-P250 YHM-A / PQHY-P250 YHM-A outdoor units to each indoor unit and operate with a built-in remote control for the indoor factory shipment, this model of indoor unit is designed and set to accommodate a single refrigerant circuit. Connection of two refrigerant circuits to the indoor unit requires setting change and pipe work.*1: Bold line indicates refrigerant piping (gas/liquid). This system consists of two refrigerant circuits.*2: Indicates TB3-type transmission line that connects the indoor and outdoor units. This system consists of two refrigerant circuit.

10 *3: Indicates TB7-type transmission line that allows the unit to communicate with the refrigerant circuits24V DCM-NETPAC-SC51 KUAO utdoor Unit / Heat source unitAG-150 APUHY-P250 YHM-APQHY-P250 YHM-APUHY-P250 YHM-APQHY-P250 YHM-AIndoor UnitPFD-P500VM-ETB7TB3 *2*1 CENTRALIZED CONTROLLER AG-150 ATB3TB7*332. Operable temperature rangePFD unit + PUHY-P250 YHM-A, PUHY-P500 YSHM-APFD unit + PQHY-P250 YHM-A* The height between the Outdoor PUHY-P-YHM-A and Indoor could make the operation temperature range narrow. For details, refer to , IV-1. Piping Design. 30252015105-10-505101520253035404550 Indoor temperature( CWB)Circulating water temperature( C)30252015105-10-505101520253035404550 Indoor temperature( CDB)Circulating water temperature( C)3025201510-10-15-5051015202530354045 Indoor temperature( CWB)Outdoor temperature ( CDB)30252015105-10-15-20-505101520253035 40 Indoor temperature( CDB)Outdoor temperature ( CWB) Cooling Heating Cooling Heating1.