Mitsubishi Electric PWFY-P36NMU-E-BU Data Book Download Page 55 | Manualshive

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MEES20K028

PWFY-P-

N

MU-

E

-BU, P-

NMU-E2-

A

U

54

15. INSTALLATION

AIR TO WATER

15-5. Refrigerant pipe and drain pipe specifications

15-5-1. Refrigerant pipe and drain pipe specifications

To avoid dew drops, provide sufficient anti-sweating and insulating work to the refrigerant and drain pipes.
When using commercially available refrigerant pipes, be sure to wind commercially available insulating material (with a
heat-resisting temperature of more than 212 °F (100 °C) and thickness given below) onto both liquid and gas pipes.
Be also sure to wind commercially available insulating material (with a form polyethylene's specific gravity of 0.03 and
thickness given below) onto all pipes which pass through rooms.

1) Select the thickness of insulating material by pipe size.

2) If the unit is used on the highest story of a building and under conditions of high temperature and humidity, it is necessary

to use pipe size and insulating material's thickness more than those given in the table above.

3) If there are customer's specifications, simply follow them.

15-5-2. Refrigerant pipe, drain pipe and filling port

Unit: mm (in)

Model

PWFY-P36NMU-E-BU PWFY-P36NMU-E2-AU

PWFY-P72NMU-E2-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)

Insulating material's thickness

More than 10 mm (13/32 in)

▪ PWFY unit

(D)

(A)

(B)

(C)

(E)

480 (18-29/32)

100

(3-15/16)

191

(17-17/32)

102 (4-1/32)

114 (4-1/2)

134 (5-9/32)

184 (7-1/4)

206 (8-1/8)*1

(A) Refrigerant piping (gas)
(B) Refrigerant piping (liquid)
(C) Water inlet
(D) Water outlet
(E) Drain outlet
*1: PWFY-P36, P72NMU-E2-AU

Unit: mm (in)

0000005923.BOOK 54 ページ２０２０年８月６日　木曜日　午後１２時３８分

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Summary of Contents for PWFY-P36NMU-E-BU

Page 1: ...AIR CONDITIONING SYSTEMS MODEL PWFY P36NMU E BU PWFY P36NMU E2 AU PWFY P72NMU E2 AU ...

Page 2: ...ller 40 12 ELECTRICAL WORK 41 12 1 General cautions 41 12 2 Power supply for PWFY unit 41 12 3 Power cable specifications 42 12 4 Connecting remote controller indoor and outdoor transmission cables 43 12 5 Connecting electrical connections 44 13 CONTROL 45 13 1 Transmission cable specifications 45 13 2 Indoor unit address setting 46 13 3 External input output function 46 14 PIPING DESIGN 48 14 1 R...

Page 3: ...Series R2 13 to 90 FWB 25 to 32 CWB 13 to 90 FWB 25 to 32 CWB PWFY P36 P72NMU E2 AU Only PWFY PWFY with standard indoor units Cooling Heating Cooling Heating Inlet water temperature R2 Series R2 Series High efficiency H2i Series R2 50 to 95 F 10 to 35 C 50 to 105 F 10 to 41 C 50 to 95 F 10 to 35 C 50 to 105 F 10 to 41 C Y Series Y Series High efficiency H2i Series Y 50 to 95 F 10 to 35 C 50 to 105...

Page 4: ... in an environment where the wet bulb Temp will not exceed 90 F 32 C The unit is not designed for outside installations Please don t use the steel material for the water piping material The water circuit must use the closed circuit Please do not use it as a drinking water Please always make water circulate or add the brine to the circulation water when the ambient temperature becomes 32 F 0 C or l...

Page 5: ...side installations Please don t use the steel material for the water piping material 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 Please always make water circulate or pull out the circulation water completely when not using it Inlet Outlet Operation Volume Liquid Gas...

Page 6: ... steel material for the water piping material 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 Please always make water circulate or pull out the circulation water completely when not using it Inlet Outlet Operation Volume Liquid Gas Accessory External Wiring Document Det...

Page 7: ...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 Please always make water circulate or pull out the circulation water completely when n...

Page 8: ...de view Control box Service panel Top view 2X2 ø14 9 16 Hole Drain P72 Expansion joint RC3 4 to RC1 is mandatory accessory P72 Expansion joint RC3 4 to RC1 is mandatory accessory Top view Piping space right side Service space front side Fig A Accessories Y type strainer RC3 4 1pc Heat Insulation material 1pc Expansion joint P72 2pcs From RC3 4 to RC1 Flow switch 1set Washer 2pcs Buffer material 1p...

Page 9: ...50 17 23 32 300 11 13 16 800 31 1 2 Y X Z 500 19 11 16 525 20 11 16 13 17 32 47 1 7 8 205 8 3 32 unit mm in unit mm in X 257 10 1 8 267 10 17 32 Model PWFY P36NMU E2 AU PWFY P72NMU E2 AU Z 100 3 15 16 103 4 1 16 Y 355 14 368 14 1 2 unit mm in unit mm in 205 8 3 32 13 17 32 X Y 800 31 1 2 500 19 11 16 525 20 11 16 300 11 13 16 450 17 23 32 Z 47 1 7 8 0000005923 BOOK 8 ページ２０２０年８月６日木曜日午後１２時３８分 ...

Page 10: ...play setting 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 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 1 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 I...

Page 11: ...5A T CNSV2 1 2 1 3 t t t OUT1 blue black red white red red SVG SVL CNSV1 1 2 3 4 M 5 6 CNLVC LEV1Wb 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 opening closing the bypass circuit Outdoo...

Page 12: ... 250 37 0 125 53 5 63 41 0 Measurement location 3 1 4 ft 1m 3 1 4 ft 1m Octave band center frequencies Hz Approximate minimum audible limit on continuous noise 60Hz Octave band center frequencies Hz Octave band sound level dB Sound pressure level of PWFY P36 72NMU E2 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 Measurement location 3 1 4 ft 1m 3 1 4 ft 1m 0 10 30...

Page 13: ... 12 7 VIBRATION LEVELS AIR TO WATER 7 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 0000005923 BOOK 12 ページ２０２０年８月６日木曜日午後１２時３８分 ...

Page 14: ...2 7 1 4 10 15 5 21 27 32 38 43 49 Heating 40 60 80 100 120 140 160 180 4 16 27 38 60 49 71 82 Heat source unit circulating water F Heat source unit circulating water C Booster unit inlet water temp F Booster unit inlet water temp C 10 0 10 20 30 40 50 60 70 80 90 100 110 120 23 18 12 7 1 4 10 15 5 21 27 32 38 43 49 Heating 40 60 80 100 120 140 160 180 4 16 27 38 60 49 71 82 Outdoor temp FWB Outdoo...

Page 15: ...18 12 7 1 4 10 15 5 21 27 32 38 43 49 Heating 40 50 60 70 80 90 100 110 120 4 10 16 21 27 32 38 43 49 Heat source unit circulating water F Heat source unit circulating water C HEX unit inlet water temp F HEX unit inlet water temp C 10 0 10 20 30 40 50 60 70 80 90 100 110 120 23 18 12 7 1 4 10 15 5 21 27 32 38 43 49 Heating 40 50 60 70 80 90 100 110 120 4 10 16 21 27 32 38 43 49 Outdoor temp FWB Ou...

Page 16: ...it inlet water temp F HEX unit inlet water temp C 20 10 0 10 20 30 40 50 60 70 80 90 100 110 29 23 18 12 7 1 4 10 15 5 21 27 32 38 43 Heating 40 50 60 70 80 90 100 110 120 4 10 16 21 27 32 38 43 49 Outdoor temp FWB Outdoor temp CWB HEX unit inlet water temp F HEX unit inlet water temp C 20 10 0 10 20 30 40 50 60 70 80 90 100 110 29 23 18 12 7 1 4 10 15 5 21 27 32 38 43 0000005923 BOOK 15 ページ２０２０年...

Page 17: ...3 18 12 7 1 4 10 15 5 21 27 32 38 43 49 Cooling 40 50 60 70 80 90 100 110 120 4 10 16 21 27 32 38 43 49 Heat source unit circulating water F Heat source unit circulating water C HEX unit inlet water temp F HEX unit inlet water temp C 10 0 10 20 30 40 50 60 70 80 90 100 110 120 23 18 12 7 1 4 10 15 5 21 27 32 38 43 49 Cooling 40 50 60 70 80 90 100 110 120 4 10 16 21 27 32 38 43 49 Outdoor temp FWB ...

Page 18: ...E BU 0 5 0 6 0 7 0 8 0 9 1 0 1 1 10 15 20 25 30 35 40 45 50 55 60 65 71 50 59 68 77 86 95 104 113 122 131 140 149 160 Ratio of booster unit heating capacity Booster unit inlet water temp C Booster unit inlet water temp F 0 5 0 6 0 7 0 8 0 9 1 0 1 1 Outdoor temp FWB Outdoor temp CWB Ratio of heating capacity 5 5 15 25 35 45 55 65 75 85 20 15 9 4 2 7 13 18 24 29 0000005923 BOOK 17 ページ２０２０年８月６日木曜日 ...

Page 19: ...booster unit input 86 F 30 C 68 F 20 C 50 F 10 C 149 F 65 C 140 F 60 C 122 F 50 C 104 F 40 C 5 5 15 25 35 45 55 65 75 85 20 15 9 4 2 7 13 18 24 29 Booster unit inlet water temp 0 6 1 1 Outdoor temp FWB Outdoor temp CWB Ratio of outdoor unit input 86 F 30 C 68 F 20 C 50 F 10 C 104 F 40 C 122 F 50 C 140 F 60 C 149 F 65 C 5 5 15 25 35 45 55 65 75 85 20 15 9 4 2 7 13 18 24 29 Booster unit inlet water ...

Page 20: ...20 25 30 35 40 45 50 55 60 65 71 50 59 68 77 86 95 104 113 122 131 140 149 160 Ratio of booster unit heating capacity Booster unit inlet water temp C Booster unit inlet water temp F 0 2 0 4 0 6 0 8 1 0 1 2 Outdoor temp FWB Outdoor temp CWB Ratio of heating capacity 13 25 14 10 5 15 4 20 23 5 32 0 41 5 50 10 59 15 68 20 77 25 86 30 0000005923 BOOK 19 ページ２０２０年８月６日木曜日午後１２時３８分 ...

Page 21: ...g the corrected input 0 2 0 4 0 6 0 8 1 0 1 2 Outdoor temp FWB Outdoor temp CWB Ratio of booster unit input 13 25 14 10 5 15 4 20 23 5 32 0 41 5 50 10 59 15 68 20 77 25 86 30 86 F 30 C 68 F 20 C 50 F 10 C 149 F 65 C 140 F 60 C 122 F 50 C 104 F 40 C Booster unit inlet water temp 0 4 0 6 0 8 1 0 1 4 1 2 Outdoor temp FWB Outdoor temp CWB Ratio of outdoor unit input Booster unit inlet water temp 13 25...

Page 22: ...59 68 77 86 95 105 Ratio of HEX unit heating capacity HEX unit inlet water temp C HEX unit inlet water temp F BTU h 72K 96K 120K 144K 168K 192K 216K 240K 264K 288K 312K 336K 360K 384K 408K 432K Nominal Input kW 5 62 7 47 10 28 12 47 14 15 16 91 19 26 22 12 22 63 25 23 28 28 30 84 33 78 36 26 38 94 41 66 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of heating capacity 68 13 25 4 20 5 1...

Page 23: ...of HEX unit cooling capacity HEX unit inlet water temp C HEX unit inlet water temp F BTU h 72K 96K 120K 144K 168K 192K 216K 240K 264K 288K 312K 336K 360K 384K 408K 432K Nominal Input kW 5 06 7 00 9 09 11 84 14 28 14 81 16 90 19 97 20 69 23 21 25 98 27 77 30 67 33 18 35 79 38 31 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of cooling capacity 14 10 32 0 86 30 50 10 104 40 122 50 68 20 ...

Page 24: ...0 35 41 50 59 68 77 86 95 105 Ratio of HEX unit heating capacity HEX unit inlet water temp C HEX unit inlet water temp F BTU h 72K 96K 120K 144K 168K 192K 216K 240K 264K 288K 312K 336K 360K 384K 408K 432K Nominal Input kW 5 21 7 26 9 97 11 84 13 95 16 38 20 00 21 44 23 07 25 82 27 37 30 01 32 65 35 13 37 71 40 45 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of heating capacity 68 13 2...

Page 25: ...o of HEX unit cooling capacity HEX unit inlet water temp C HEX unit inlet water temp F BTU h 72K 96K 120K 144K 168K 192K 216K 240K 264K 288K 312K 336K 360K 384K 408K 432K Nominal Input kW 4 58 6 12 8 88 10 63 13 53 16 66 18 33 21 35 19 61 21 83 24 33 26 34 28 67 31 41 34 31 37 39 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of cooling capacity 14 10 32 0 86 30 50 10 104 40 122 50 68 2...

Page 26: ...ating the corrected input 0 7 0 8 0 9 1 0 1 1 10 15 20 25 30 35 41 50 59 68 77 86 95 105 Ratio of HEX unit heating capacity HEX unit inlet water temp C HEX unit inlet water temp F 0 3 0 6 0 7 0 4 0 5 0 8 0 9 1 0 1 2 1 1 1 3 1 4 1 5 Outdoor temp FWB Outdoor temp CWB Ratio of heating capacity 22 4 14 32 50 68 30 20 10 0 10 20 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 8 1 7 1 6 105 F 41 C 86 F 30 C 6...

Page 27: ... 0 1 2 1 1 10 15 20 25 30 35 50 59 68 77 86 95 Ratio of HEX unit cooling capacity HEX unit inlet water temp C HEX unit inlet water temp F 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of cooling capacity 14 10 32 0 50 10 122 50 68 20 86 30 104 40 Outdoor temp FDB Outdoor temp CDB HEX unit inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 8 1 7 1 6 14 10 23 5 32 0 41 5 50 10 59...

Page 28: ...5 20 25 30 35 41 50 59 68 77 86 95 105 Ratio of HEX unit heating capacity HEX unit inlet water temp C HEX unit inlet water temp F 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of heating capacity 22 30 4 20 14 10 32 0 50 10 104 40 68 20 86 30 Outdoor temp FWB Outdoor temp CWB 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 8 1 7 1 6 105 F 41 C 86 F 30 C 95 F 35 C 68 F 20 C 50 F 10 C HEX unit inl...

Page 29: ... 59 68 77 86 95 Ratio of HEX unit cooling capacity HEX unit inlet water temp C HEX unit inlet water temp F 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of cooling capacity 14 10 32 0 50 10 122 50 68 20 86 30 104 40 Outdoor temp FDB Outdoor temp CDB HEX unit inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 8 1 7 1 6 14 10 23 5 32 0 41 5 50 10 59 15 122 50 68 20 77 25 86 30 95 35 ...

Page 30: ...15 20 25 30 35 41 50 59 68 77 86 95 105 Ratio of HEX unit heating capacity HEX unit inlet water temp C HEX unit inlet water temp F 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of heating capacity 22 30 4 20 14 10 32 0 50 10 104 40 68 20 86 30 Outdoor temp FWB Outdoor temp CWB 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 105 F 41 C 86 F 30 C 95 F 35 C 68 F 20 C 50 F 10 C HEX unit inlet wate...

Page 31: ...77 86 95 Ratio of HEX unit cooling capacity HEX unit inlet water temp C HEX unit inlet water temp F 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of cooling capacity 14 10 32 0 50 10 122 50 68 20 86 30 104 40 Outdoor temp FDB Outdoor temp CDB HEX unit inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 14 10 23 5 32 0 41 5 50 10 59 15 122 50 68 20 77 25 86 30 95 35 104 40 113 45 O...

Page 32: ...cted input 0 7 0 8 0 9 1 0 1 1 10 15 20 25 30 35 41 50 59 68 77 86 95 105 Ratio of HEX unit heating capacity HEX unit inlet water temp C HEX unit inlet water temp F 0 3 0 6 0 7 0 4 0 5 0 8 0 9 1 0 1 2 1 1 1 3 1 4 1 5 Outdoor temp FWB Outdoor temp CWB Ratio of heating capacity 22 4 14 32 50 104 30 20 10 0 10 68 20 86 30 40 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 8 1 7 1 6 105 F 41 C 86 F 30 C 68 ...

Page 33: ... 0 1 2 1 1 10 15 20 25 30 35 50 59 68 77 86 95 Ratio of HEX unit cooling capacity HEX unit inlet water temp C HEX unit inlet water temp F 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 5 1 4 1 3 Ratio of cooling capacity 14 10 32 0 50 10 122 50 68 20 86 30 104 40 Outdoor temp FDB Outdoor temp CDB HEX unit inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 8 1 7 1 6 14 10 23 5 32 0 41 5 50 10 59...

Page 34: ...72NMU E2 AU Note Out of warranty at 50 or less due to unit s turn on off 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 Ratio of Capacity Total capacity of indoor units 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 Ratio of Input Total capacity of indoor units 0000005923 BOOK 33 ページ２０２０年８月６日木曜日午後１２時３８分 ...

Page 35: ...unit water volume gpm Ratio of Booster unit input Booster unit water volume gpm Ratio of Heat source unit input Booster unit water volume gpm 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 20 1 15 0 5 1 0 1 5 2 0 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 20 1 15 0 5 1 0 1 5 2 0 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 20 1 15 0 5 1 0 1 5 2 0 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 20 1 15 9 8 7 6 5 4 3 2 10 0 80 0 85 0...

Page 36: ...EX unit water volume gpm Ratio of HEX unit heating capacity 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 20 1 15 4 6 8 10 1 0 1 5 2 0 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 15 HEX unit water volume m3 h Ratio of Heat source unit input 1 0 1 5 2 0 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 15 HEX unit water volume m3 h Ratio of Heat source unit input HEX unit water volume gpm Ratio of Heat source unit input 4 6 8 ...

Page 37: ... unit water volume m3 h Ratio of HEX unit heating capacity 1 5 2 0 2 5 3 0 3 5 4 0 4 5 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 15 HEX unit water volume m3 h Ratio of Heat source unit input HEX unit water volume gpm Ratio of HEX unit cooling capacity 7 10 15 20 0 70 0 80 0 90 1 00 1 10 HEX unit water volume gpm Ratio of Heat source unit input 7 10 15 20 0 70 0 80 0 90 1 00 1 10 HEX unit water volume g...

Page 38: ...ooster unit inlet water volume gpm Booster unit water pressure drop psi PWFY P36NMU E BU with strainer Water pressure drop of strainer 0 2 4 6 8 1 3 5 7 9 10 0 10 20 30 40 50 1 1 5 2 HEX unit inlet water volume m3 h HEX unit water pressure drop kPa PWFY P36NMU E2 AU with strainer Water pressure drop of strainer 0 10 20 30 40 50 60 70 80 90 100 HEX unit inlet water volume m3 h HEX unit water pressu...

Page 39: ... PWFY P36NMU E2 AU with strainer Water pressure drop of strainer 0 2 4 6 8 10 12 14 16 18 20 HEX unit inlet water volume gpm HEX unit water pressure drop psi PWFY P72NMU E2 AU with strainer Water pressure drop of strainer 7 10 15 20 0 10 20 30 40 Booster HEX unit inlet water volume m3 h Water pressure drop kPa 1 1 5 2 2 5 3 3 5 4 4 5 0 1 2 4 3 5 Booster HEX unit inlet water volume gpm Water pressu...

Page 40: ...efore the pump interlock circuit is completed short circuit the terminal block TB142A IN1 and then perform test run F When installing the unit be sure to install the supplied flow switch on the water outlet side of the unit and connect the wire to IN1 of TB142A on the unit G If allowing wires inside the unit to hang loosely so as to prevent water from collecting and running down into electrical co...

Page 41: ... F or 1 C The settable range varies depending on the unit to be connected Individually prohibits operations of each local remote control function ON OFF Operation modes water temperature setting Circulating water replacement warning reset Upper level controller may not be connected depending on the unit to be connected ON OFF Water temperature setting can be done up to 6 times one day in the week ...

Page 42: ... to insert the cables into them for protection 6 Never connect the power cable to leads for the transmission cables Otherwise the cables would be broken 7 Be sure to connect control cables to the indoor unit remote controller and the outdoor unit 8 Be sure to ground the unit 9 Select control cables from the conditions given in P45 Be sure to put the unit to the ground on the outdoor unit side Do n...

Page 43: ...n cable Branch Ground Capacity Fuse PWFY P36NMU E BU 2 5 12 2 5 12 25 25 25 25A 30mA or 100mA 0 1sec or less 1 phase 2 wire 208 230V 60Hz Minimum wire thickness mm2 AWG Switch A Breaker for wiring NFB Breaker for current leakage Main cable Branch Ground Capacity Fuse PWFY P36NMU E2 AU PWFY P72NMU E2 AU 1 5 14 1 5 14 15 15 15 15A 30mA or 100mA 0 1sec or less A Breaker for current leakage B Local sw...

Page 44: ...terminal box cover Pinching the wiring may cut it Use wire with supplemental insulation Input to TB142A TB142B and TB142C should not carry voltage Cables from equipment connected to external input output should have supplemental insulation Use a single multiple core cable for external input output to allow for connection to the PG screw Wire the power supply so that no tension is imparted Otherwis...

Page 45: ...ing to transmission terminal block through the knockout hole of control box using ordinary bushing After wiring is complete make sure again that there is no slack on the connections and attach the cover onto the control box in the reverse order removal Wire the power supply so that no tension is imparted Otherwise disconnection heating or fire result A Screws B Front panel C Control box PWFY unit ...

Page 46: ...100 m 328 ft Rated voltage L1 L2 208 230 V Rated load 0 6 A Transmission cables MA Remote controller cables External input External output Type of cable Shielding wire 2 core CVVS CPEVS or MVVS Sheathed 2 core cable shielded CVVS Sheathed multi core cable shielded CVVS or MVVS Sheathed multi core cable unshielded CVV or MVV Cable diameter More than 1 25 mm2 AWG16 0 3 1 25 mm2 AWG22 16 0 75 1 25 mm...

Page 47: ...t through CN421 CN422 on the circuit board External analog input Use the supplied connector If no temperature settings are made via the MA remote controller the temperature changes with the current of generator Refer to the instructions manual that came with the MA remote controller for how to make the settings 4 mA 50 F 10 C 20 mA 160 F 71 C Note Use a 4 20mA signal output device with insulation ...

Page 48: ...hen SW 4 3 is set to ON 3 Effective when SW 4 4 is set to ON 4 PWFY P36 72NMU E2 AU only 5 When Heating ECO mode is effective the outlet water temp will be changed based on ambient temp automatically 6 When Anti freeze mode is effective the unit will work for keeping set water temp automatically When setting Heating ECO or Anti freeze mode reset all power supply of all units outdoor indoor units D...

Page 49: ...640 450 1 476 400 1 312 350 1 148 300 984 100 328 250 820 200 656 150 492 50 164 0 0 Extra charge amount kg lbs BC to PWFY pipe length m ft 0 1 PURY H P72 0 16 36 50 164 100 328 150 492 200 656 250 820 System refrigerant kg lbs Total PWFY Pipe length m ft OK Zone 18 40 20 45 24 53 22 49 26 58 28 62 30 67 Additional Refrigerant PURY H P96 Total PWFY Pipe length m ft OK Zone Additional Refrigerant 0...

Page 50: ... length m ft OK Zone Additional Refrigerant System refrigerant kg lbs 40 89 45 100 55 122 50 111 60 133 65 144 70 155 75 166 80 177 0 50 164 100 328 150 492 200 656 250 820 300 984 350 1 148 400 1 312 450 1 476 500 1 640 PURY P264 0 100 328 200 656 300 984 400 1 312 500 1 640 600 1 968 Total PWFY Pipe length m ft OK Zone Additional Refrigerant System refrigerant kg lbs 40 89 45 100 55 122 50 111 6...

Page 51: ...1 000 BTU C Total A B Total Heating Capacity x 100 x 100 x 100 BTU D No of units required Safety factor 39900BTU units units are required Tank PWFY unit 4 3 3 3 3 7 A For Air conditioning using such as Panel Heaters Floor Heating and Fan coil units Required total heating capacity 68240 10 50 140 15 8 20 30 317 63 4 104 113 317 63 4 104 113 50 50 140 140 50 50 234 6 234 6 11 2 68240 76674 20 3 2 31...

Page 52: ...al Heating Capacity x 100 x 100 x 100 kW D No of units required Safety factor 11 7 kW units units are required Tank PWFY unit 4 3 3 3 3 7 A For Air conditioning using such as Panel Heaters Floor Heating and Fan coil units Required total heating capacity 20 10 10 60 15 8 20 30 1 200 240 40 45 1 200 240 40 45 10 10 60 60 10 10 888 888 44 4 20 29 42 20 3 2 82 10 20 6 45 15 29 42 8 6 45 60 10 44 4 kW ...

Page 53: ...ment private power generator high frequency medical equipment or radio communication equipment may cause the air conditioner to operate erroneously or fail to operate On the other hand 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 o...

Page 54: ...t weight 15 4 2 Installation method Using the anchoring holes shown below firmly bolt the unit to the base Bases Be sure to install unit in a place strong enough to withstand its weight If the base is unstable reinforce with a concrete base The unit must be anchored on a level surface Use a level to check after installation If the unit is installed near a room where noise is a problem using an ant...

Page 55: ...Select the thickness of insulating material by pipe size 2 If the unit is used on the highest story of a building and under conditions of high temperature and humidity it is necessary to use pipe size and insulating material s thickness more than those given in the table above 3 If there are customer s specifications simply follow them 15 5 2 Refrigerant pipe drain pipe and filling port Unit mm in...

Page 56: ...nt piping for the indoor unit in accordance with the following 1 Cut the tip of the indoor unit piping remove the gas and then remove the brazed cap 2 Pull out the thermal insulation on the site refrigerant piping braze the unit piping and replace the insulation in its original position Wrap the piping with insulating tape Pay strict attention when wrapping the copper piping since wrapping the pip...

Page 57: ...zardous sulphur oxides dust dirt shaving particles oils moisture or any other contaminant Never use existing refrigerant piping The large amount of chlorine in conventional refrigerant and refrigerator oil in the existing piping will cause the new refrigerant to deteriorate Store the piping to be used during installation indoors and keep both ends of the piping sealed until just before brazing If ...

Page 58: ...te measure e g drain heater to prevent the drain water from freezing 7 Pump Use a pump that is large enough to compensate for the total water pressure loss and to supply sufficient water to the unit 8 Air vent valve Provide air vent valves on the pipes 9 Expansion tank Install an expansion tank to accommodate expanded water and to supply water 10 Cold Hot water pipe Use pipes that allow for easy a...

Page 59: ...et port In addition be sure to install a strainer on the water intake pipe In order to maintain the heat source unit a strainer on the circulating water inlet is necessary An example of the heat source unit installation is shown in Fig 3 1 B Install a suitable air vent on the water pipe After sending water through the pipe be sure to vent the excess air Condensed water may form in the low temperat...

Page 60: ...em When air coming from the outside causes condensation to form on piping Any drainage piping Flow switch installation When installing the unit be sure to install the supplied flow switch on the water outlet side of the unit and connect the wire to IN1 of TB142A on the unit If the flow switch is not installed the unit will emit the error signal 2100 Interlock error and not operate A short circuit ...

Page 61: ...the flow switch and pipes to the water outlet in the horizontal position The angle of the axis of the pipe should be less than 45 degrees Check the direction of the flow switch as shown in Fig C 4 Connect the flow switch wire to IN1 of TB142A From the External Wiring Input route the wire as shown in Fig D and connect it to the terminal as shown in Fig E Use a wire protector such as a rubber bushin...

Page 62: ...If the water quality level has dropped please adjust water quality sufficiently before replacing the unit Refer to the below graph for the maximum amount of circulating water in the water pipe Make sure that this amount does not exceed Sulfide ion pH 77 F 25 C Electric conductivity mS m 77 F 25 C μ s cm 77 F 25 C Chloride ion mg Cl liter Sulfate ion mg SO4 2 liter Acid consumption pH4 8 mg CaCO3 l...

Page 63: ...t to ON if brine is added 0 30 22 25 13 20 4 15 5 10 14 5 23 0 32 5 41 10 20 30 40 50 60 70 Brine concentration wt Freezing temperature ºC ºF Brine concentration wt Ratio of capacity 0 0 0 2 0 4 0 6 0 8 1 1 2 10 30 20 40 50 60 70 80 90 100 ethylene glycol propylene glycol Brine concentration wt Ratio of pressure drop 0 5 1 1 5 2 2 5 3 3 5 4 0 10 30 20 40 50 60 70 80 90 100 ethylene glycol propylen...

Page 64: ...l does not work if the power supply of the pump is turned off Refer to P59 Flow switch installation for details Anti freeze mode Dip SW4 4 ON Anti freeze mode is to prevent water pipe from freezing The Anti freeze mode can set the heating temperature range be tween 50ºF 113ºF 10ºC 45ºC enabling the unit to maintain low water temperature to prevent water pipes from freezing Water Pump Strainer Cont...

Page 65: ...64 MEES20K028 AIR TO WATER 0000005923 BOOK 64 ページ２０２０年８月６日木曜日午後１２時３８分 ...

Page 66: ...se the unit or pipes to burst or result in explosion or fire during use repair or at the time of disposal of the unit It may also be in violation of applicable laws MITSUBISHI ELECTRIC CORPORATION cannot be held responsible for malfunctions or accidents resulting from the use of the wrong type of refrigerant Our air conditioning equipment and heat pumps contain a fluorinated greenhouse gas R134a o...

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