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Mitsubishi Electric PWFY-P-NMU-E-AU, Engineering Manual

The Mitsubishi Electric PWFY-P-NMU-E-AU Engineering Manual is a comprehensive resource for understanding and efficiently utilizing this state-of-the-art HVAC product. Featuring detailed instructions and technical specifications, this manual is available for free download from manualshive.com, ensuring that users have easy access to all the necessary information.

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PWFY-24

PWFY-P-NMU-E-BU/PWFY-P-NMU-E-AU (Sept. 2010)

PWF

Y-P-N

MU-E-BU

 

PWF

Y-P-N

MU-E-AU

9. CAPACITY TABLES

9-2. Water Pressure Drop

PWFY-P36NMU-E-BU

0

3.3 (10)

6.6 (20)

10 (30)

13.3 (40)

16.6 (50)

2.2 (0.5)

4.4 (1)

6.6 (1.5)

8.8 (2)

Water flow rate (GPM [m

3

/h])

Water-pressure drop (ft. [kPa])

PWFY-P36,72NMU-E-AU

0

3.3 (10)

6.6 (20)

10 (30)

13.6 (40)

16.6 (50)

20 (60)

23.3 (70)

26.6 (80)

30 (90)

33.3 (100)

Water flow rate (GPM [m

3

/h])

Water-pressure drop (ft. [kPa])

PWFY-P36NMU-E-AU

PWFY-P72NMU-E-AU

2.2 (0.5)

4.4 (1)

6.6 (1.5)

8.8 (2)

11 (2.5)

13.2 (3)

15.4 (3.5)

17.6 (4)

19 (4.5)

Summary of Contents for PWFY-P-NMU-E-AU

Page 1: ...8 5 ELECTRICAL WIRING DIAGRAMS PWFY 9 6 REFRIGERANT CIRCUIT DIAGRAMS PWFY 11 7 SOUND PRESSURE LEVELS AND NC CURVES PWFY 12 8 VIBRATION LEVELS PWFY 13 9 CAPACITY TABLES PWFY 14 9 1 Correction by Temperature PWFY 14 9 2 Water Pressure Drop PWFY 24 10 OPTIONAL PARTS PWFY 25 11 SYSTEM DESIGN PWFY 26 11 1 Electrical Work PWFY 26 11 2 M NET Control PWFY 27 11 3 Installation PWFY 32 HYDRONIC HEAT EXCHANG...

Page 2: ...1 C Outdoor temperature R2 series 4 to 90 F 20 to 32 C 4 to 90 F 20 to 32 C 4 to 60 F 20 to 15 5 C Circulating Water temperature WR2 series 50 to 113 F 10 to 45 C 50 to 113 F 10 to 45 C 50 to 113 F 10 to 45 C PWFY P36 72NMU E AU Connectable outdoor unit capacity range Only standard indoor units Cooling DB Heating WB Outdoor temperature R2 series 23 to 109 F 5 to 43 C 4 to 60 F 20 to 15 5 C Y serie...

Page 3: ... the water piping material The water circuit must use the closed circuit Please do not use it as a drinking water Discharge water from unit is not potable Do not connect the output directly to a potable system Please always make water circulate or add brine to the circulation water when the ambient temperature becomes 32 F 0 C or less Please do not use groundwater and well water The specification ...

Page 4: ...rial The water circuit must use the closed circuit Please always make water circulate or add the brine to the circulation water when the ambient temperature becomes 32 F 0 C or less Inlet Outlet Operation Volume Liquid Gas Accessory External Wiring Document Details on foundation work duct work insulation work electrical wiring power source switch and other items shall be referred to the Installati...

Page 5: ...ter circuit must use the closed circuit Please always make water circulate or add the brine to the circulation water when the ambient temperature becomes 32 F 0 C or less Inlet Outlet Operation Volume Liquid Gas Accessory External Wiring Document Details on foundation work duct work insulation work electrical wiring power source switch and other items shall be referred to the Installation Manual U...

Page 6: ...Ensure adequate service space is right around the unit according to Fig A 3 Please always make water circulate or add the brine to the circulation water when the ambient temperature becomes 0degC 32 F or less 4 The unit is not designed for outside installations 5 Install the unit in an environment where the wet bulb Temp will not exceed 32degC 90 F 6 The water circuit must use the closed circuit 7...

Page 7: ...et Washer 2pcs Expansion joint P72 2pcs From RC3 4 to RC1 3 15 16 8 1 8 4 1 2 2 3 8 3 5 32 5 17 32 5 9 32 1 13 16 7 17 32 6 1 2 2 5 32 4 1 32 1 13 32 2 3 16 525 20 11 16 91 3 19 32 91 3 19 32 35 1 13 32 55 35 480 18 29 32 102 206 134 114 100 191 46 60 140 80 165 54 Mounting pitch 450 17 23 32 300 11 13 16 Mounting pitch 205 8 3 32 800 31 1 2 500 19 11 16 Unit mm in Note 1 Ensure no water or debris...

Page 8: ... CENTER OF GRAVITY 17 23 32 450 11 13 16 300 31 1 2 800 17 32 13 19 11 16 500 20 11 16 525 8 3 32 205 1 7 8 47 in mm Model X Y Z PWFY P36NMU E BU 10 23 32 272 13 355 4 11 16 119 PWFY P36NMU E AU 11 13 32 289 13 5 8 346 4 1 16 103 PWFY P72NMU E AU 10 29 32 277 13 11 16 347 3 29 32 99 ...

Page 9: ...etting SW2 Function setting SW1 SW3 SW4 SWP3 SW5 SWP1 SWU3 SWP2 SWU2 OFF ON 1 10 SW4 OFF ON 1 10 LED1 OFF ON 1 SW3 OFF ON 1 10 SW2 IN1 gray CN421 black 3 1 CN422 blue IN1 IN2 3 1 CN421 4 20mA 4 20mA black 3 1 CN422 blue 2 2 2 2 AC reactor Pressure switch High pressure switch High pressure protection for the booster unit Discharge pressure Low pressure TB2 LEV1W TB5 LEV2W TB15 TH11 OUT1 IN1 IN3 COM...

Page 10: ...7 TB142B X516 X517 X515 OUT6 OUT7 OUT5 TB141B red red green blue yellow green TB142A IN2 IN1 IN1 IN3 IN4 4 5 6 7 orange yellow black purple TB2 LEV1Wa SV1 TB5 LEV1Wb TB15 OUT1 IN1 IN3 P36 COM IN4 P72 IN5 IN6 IN7 IN8 OUT2 TH22 TH23 TH6 OUT4 TH8 Explanation Function Function Function Function Appliance Terminal block Linear expansion valve Solenoid valve Power supply BC controller outdoor unit For o...

Page 11: ... CV1 ST2 ST3 Water inlet Water outlet screw screw Brazed Brazed TH6 TH23 LEV1Wa TH8 TH22 LEV1Wb SV ST2 ST4 CV1 Water inlet Water outlet screw screw Brazed Brazed PWFY P36NMU E AU PWFY P72NMU E AU PWFY P36NMU E BU TH11 63H1 63HS 63LS TH13 TH22 LEV1W LEV2W COMP Water outlet TH6 TH8 ST3 ST1 ST2 CJ Brazed Brazed screw screw Water inlet Hex Hex ...

Page 12: ...el of PWFY P36 72NMU E AU dB A 29 0 8k 12 0 4k 15 0 2k 14 5 1k 22 5 500 25 0 250 33 0 125 32 0 63 42 0 60Hz dB A 44 0 8k 27 0 4k 27 5 2k 32 0 1k 39 0 500 42 0 250 37 0 125 53 5 63 41 0 Measurement condition PWFY P36 72NMU E AU Measurement location 3 1 4 ft 1m 3 1 4 ft 1m Measurement location 3 1 4 ft 1m 3 1 4 ft 1m Octave band center frequencies Hz Approximate minimum audible limit on continuous n...

Page 13: ... P NMU E AU Sept 2010 PWFY P NMU E BU PWFY P NMU E AU 8 VIBRATION LEVELS PWFY P36NMU E BU PWFY P36NMU E BU Model Vibration Levels dBA 34 3 15 16 in 100mm 7 7 8 in 200mm Measurement location Service panel Concrete VIBRATION LEVELS ...

Page 14: ...5 0 5 10 15 20 25 30 35 40 45 50 55 60 Outdoor Temperature FWB Ratio of heating input Inlet water Temperature F PUHY P120 144Y T JMU A BS Cooling Heating 0 4 0 6 0 8 1 0 1 2 1 4 20 30 40 50 60 70 80 90 100 110 120 Inlet Water Temperature F Ratio of cooling capacity 95 86 77 68 59 50 Outdoor Temperature FWB 0 2 0 4 0 6 0 8 1 0 1 2 5 0 5 10 15 20 25 30 35 40 45 50 55 60 Outdoor Temperature FWB Inlet...

Page 15: ... 0 9 1 0 1 1 1 2 5 0 5 10 15 20 25 30 35 40 45 50 55 60 Outdoor Temperature FWB Inlet Water Temperature F Ratio of heating input 105 95 86 68 50 PUHY P264 288T Y SJMU A BS Heating Cooling 0 4 0 6 0 8 1 0 1 2 1 4 20 30 40 50 60 70 80 90 100 110 120 Outdoor Temperature FDB Inlet Water Temperature F Ratio of cooling capacity 95 86 77 68 59 50 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 5 0 5 10 15 20 25 ...

Page 16: ...y 50 68 86 95 105 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 20 30 40 50 60 70 80 90 100 110 120 Outdoor Temperature FDB Inlet Water Temperature F Ratio of cooling input 95 86 77 68 59 50 0 4 0 6 0 8 1 0 1 2 1 4 20 30 40 50 60 70 80 90 100 110 120 Outdoor Temperature FDB Inlet Water Temperature F Ratio of cooling capacity 95 86 77 68 59 50 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 5 0 5 10 15 20 25 30 35 4...

Page 17: ... 0 7 0 8 0 9 1 0 1 1 1 2 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Outdoor Temperature FWB Inlet Water Temperature F Ratio of heating input 105 95 86 68 50 PURY P120 144T Y JMU A BS Cooling Heating 0 4 0 6 0 8 1 0 1 2 1 4 20 30 40 50 60 70 80 90 100 110 120 Outdoor Temperature FDB Inlet Water Temperature F Ratio of cooling capacity 95 86 77 68 59 50 0 2 0 4 0 6 0 8 1 0 1 2 5 0 5 10 ...

Page 18: ...0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Outdoor Temperature FWB Inlet Water Temperature F Ratio of heating input 105 95 86 68 50 PURY P264 288T Y JMU A BS Cooling Heating 0 4 0 6 0 8 1 0 1 2 1 4 20 30 40 50 60 70 80 90 100 110 120 Ratio of cooling capacity Outdoor Temperature FDB Inlet Water Temperature F 95 86 77 68 59 50 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 5 0 5 10 15 20 25 30 35 4...

Page 19: ...apacity 95 86 77 68 59 50 0 2 0 4 0 6 0 8 1 0 1 2 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 Outdoor Temperature FWB Inlet Water Temperature F Ratio of heating capacity 50 68 86 104 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 20 30 40 50 60 70 80 90 100 110 120 Outdoor Temperature FDB Inlet Water Temperature F Ratio of cooling input 95 86 77 68 59 50 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 15 10 5 0 5 10 15...

Page 20: ...140 149 Booster unit inlet water temp F 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 5 5 15 25 35 45 55 65 75 85 Outdoor temp FWB Rat i o of boost er uni t i nput 68 50 86 104 Booster unit inlet water temp F 122 140 149 0 6 0 7 0 8 0 9 1 0 1 1 5 5 15 25 35 45 55 65 75 85 Outdoor temp FWB Rat i o of out door uni t i nput 104 122 86 140 68 149 50 Booster unit inlet water temp F R2 Series PWFY P36NMU E BU...

Page 21: ...0 5 0 6 0 7 0 8 0 9 1 0 1 1 5 5 15 25 35 45 55 65 75 85 Outdoor temp FWB Rat i o of boost er uni t i nput Booster unit inlet water temp F 68 50 86 104 122 140 149 0 5 0 6 0 7 0 8 0 9 1 0 1 1 5 5 15 25 35 45 55 65 75 85 Out door t emp FWB Rat io of out door unit input Booster unit inlet water temp F 104 122 86 140 68 149 50 Rat i o of heat i ng capaci t y Rat i o of boost er uni t i nput Rat i o of...

Page 22: ...5 65 75 85 Outdoor temp FWB Rat i o of boost er uni t i nput Booster unit inlet water temp F 68 50 86 104 122 140 149 0 5 0 6 0 7 0 8 0 9 1 0 1 1 5 5 15 25 35 45 55 65 75 85 Outdoor temp FWB Rat i o of out door uni t i nput Booster unit inlet water temp F 104 122 86 140 68 149 50 0 0 0 0 0 1 1 Rat i o of heat i ng capaci t y 0 0 0 0 0 0 0 0 1 1 Rat i o of boost er uni t i nput 0 0 0 0 1 1 Rat i o ...

Page 23: ...0 86 104 122 140 149 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 5 5 15 25 35 45 55 65 75 85 Outdoor temp FWB Rat i o of boost er uni t i nput Booster unit inlet water temp F 68 50 86 104 122 140 149 0 6 0 7 0 8 0 9 1 0 1 1 5 5 15 25 35 45 55 65 75 85 Outdoor temp FWB Rat i o of out door uni t i nput Booster unit inlet water temp F 104 122 86 140 68 149 50 9 CAPACITY TABLES R2 Series PWFY P36NMU E BU ...

Page 24: ... 6 20 10 30 13 3 40 16 6 50 2 2 0 5 4 4 1 6 6 1 5 8 8 2 Water flow rate GPM m3 h Water pressure drop ft kPa PWFY P36 72NMU E AU 0 3 3 10 6 6 20 10 30 13 6 40 16 6 50 20 60 23 3 70 26 6 80 30 90 33 3 100 Water flow rate GPM m3 h Water pressure drop ft kPa PWFY P36NMU E AU PWFY P72NMU E AU 2 2 0 5 4 4 1 6 6 1 5 8 8 2 11 2 5 13 2 3 15 4 3 5 17 6 4 19 4 5 ...

Page 25: ...et B This insulation is for exclusive use with the strainer Wrap the strainer with the insulation after water pipes are installed C These are analog input connectors Cut the wire before using D Fix power source wiring to terminal bed box by using buffer bushing for tensile force Conduit or the like Connect transmission wiring to transmission terminal bed through the knockout hole of terminal bed b...

Page 26: ...ay cause a risk of electric shock or fire 1 Follow ordinances of your government organization for technical standard related to electrical equipment wiring regulations and guidances of each electrical power company 2 Power should be taken from the special branch circuit 3 Install a ground breaker to the power 4 Install the unit so that the control circuit cables remote controller transmission cabl...

Page 27: ... Controller Cables External Input External Output Type of Cable Shielding wire 2 core CVVS CPEVS or MVVS Sheathed 2 core cable CVV unshielded Sheathed multi core cable CVV or MVV unshielded Sheathed multi core cable unshielded CVV or MVV Cable Diameter More than 1 25 mm2 AWG16 1 25 mm2 AWG16 1 25 mm2 AWG16 1 1 25 mm2 AWG16 1 25 mm2 AWG16 Remarks Max length 200 m 656 ft Max length 100 m 328 ft Rate...

Page 28: ...st address within the indoor units connected to the BC controller Sub plus 50 10 1 BC controller Sub 51 99 100 The smallest address of indoor unit in same refrigerant system 50 Assign sequential address numbers to the outdoor units in one refrigerant circuit system OC and OS are automatically detected Note 2 Please reset one of them to an address between 51 and 99 when two addresses overlap The ad...

Page 29: ...Main 93 0 3 3 0 2 0 TB15 TB5 5 B T 2 0 B T 2 B T 5 B T Transmission Booster PAC SF46EPA TB5 3 B T 5 1 B T 5 1 B T TB15 MA R C Main Sub MA R C TB15 ME R C MA R C PZ 52SF SRU Wireless R C 1 1 142 143 41 42 43 95 45 46 TB15 TB5 5 B T 2 0 B T LOSSNAY 5 B T 5 B T 5 B T TB15 1 For Wireless R C and Signal receiver unit SRU channel 1 2 and 3 are selectable and should be set to same channel BC controller S...

Page 30: ...FY P72NMU E AU MA Main WMA MA 2 System controller should connect to TB7 at Outdoor and use power supply unit together in Multi Refrigerant System 0 3 3 0 2 0 1 0 TB15 5 B T 5 B T 2 B T 5 B T Transmission Booster PAC SF46EPA TB5 3 B T 5 1 B T 5 1 B T TB15 MA Main MA Sub TB15 PWFY P36NMU E AU PWFY P72NMU E AU WMA MA 41 42 43 45 46 TB15 5 B T 5 B T LOSSNAY 5 B T 5 B T 5 B T TB15 SRU Wireless R C 1 1 ...

Page 31: ...e external output terminal as shown in Fig 3 The specifications of the relay circuit to be connected must meet the following conditions Contact rating voltage DC15V Contact rating current 0 1A Minimum applicable load 1mA at DC 1 PWFY P36NMU E BU Hot Water PWFY P36 72NMU E AU Heating 2 Effective when SW 4 3 is set to ON 3 Effective when SW 4 4 is set to ON 4 PWFY P36 72NMU E AU only 5 When Heating ...

Page 32: ... power generator high frequency medical equipment or radio communication equipment may cause the air conditioner to operate erroneously or fail to operate Also the air conditioner may affect such equipment by creating noise that disturbs medical treatment or image broadcasting Do not install the unit on a structure that may cause leakage When the room humidity exceeds 80 or when the drain pipe is ...

Page 33: ...mp F Set Temp 23 F Safety factor for Heat Loss Operating time Hours For Shower G Person x Person G Water Temp Condition F F For Bathrooms G Person x Person G Water Temp Condition The conversion of water volume to F x x G day Heating Capacity Calculation for sanitary usage 1 000 x 2 M BTU day The conversion of M BTU to BTU x 1 000 BTU C Total A B Total Heating Capacity x 100 x 100 x 100 BTU D No of...

Page 34: ...o all pipes that pass through rooms 1 Select the thickness of insulating material by pipe size Model PWFY P36NMU E BU PWFY P36NMU E AU PWFY P72NMU E AU Gas ø15 88 5 8 ø15 88 5 8 ø19 05 3 4 Liquid ø9 52 3 8 ø9 52 3 8 ø9 52 3 8 Drain ø32 1 1 4 Thickness of Insulation Material More than 10 mm 13 32 in 2 If the unit is used on the highest story of a building and under conditions of high temperature an...

Page 35: ...t flow control device Install a refrigerant flow control valve on the fan coil outlet side 5 Flexible joint Recommended to prevent the noise and vibration from the pump from being transmitted 6 Drain pipe Install the drain pipe with an inclination of between 1 100 and 1 200 to provide a downward flow of drain water For cold climate installation take an appropriate measure e g drain heater to preve...

Page 36: ...if it is operated with no water circulating through the pipes Be sure to interlock unit operation and the water circuit pump Use the terminal blocks for interlocking TB142A IN1 that can be found on the unit IN1 TB142A Water Pump Strainer Control Box Broken lines are field supply products Operation signal Pump interlock Pump Interlock Example Diagram ...

Page 37: ...cing a previously installed air conditioning device even when only the heat exchanger is being replaced first conduct a water quality analysis and check for possible corrosion Corrosion can occur in cold water systems even if there has been no prior signs of corrosion If the water quality level has dropped please adjust water quality sufficiently before replacing the unit Do not exceed the maximum...

Page 38: ...PWFY 38 PWFY P NMU E BU PWFY P NMU E AU Sept 2010 PWFY P NMU E BU PWFY P NMU E AU ...

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