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Mitsubishi Electric City Multi PQRY-P120ZLMU-A1, Data Book

The Mitsubishi Electric City Multi PQRY-P120ZLMU-A1 is an innovative and efficient cooling and heating system designed for commercial buildings. To fully understand its features and operational details, you can conveniently download the comprehensive user manual for free from our website's Data Book section.

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MEES21K047

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Y-

P-

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LM

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1

 80

8. SYSTEM DESIGN GUIDE

WR2-Series-575V

d) Electrical wiring diagram of heat-source unit 

Terminal blocks TB8 and TB9 for controlling water flow rate are found on the I/O board.

Wiring connections need to be made for each heat-source unit.

Figure d)-1 Electrical wiring diagram of heat-source unit 

Figure d)-2 I/O board wiring diagram

2

1

/

4

3

/

6

5

/

↓

L1

L2

Power Source

3~
60Hz
575V

Transformer box

T02

(Transformer)

X12

CN508

blue

Unit address

setting

CN504

yellow

CT12

CN5

red

D1

R4

Z5

CNTR1

1

2

L1 L2 L2

3

L3

4 5 6 7 8

black

AC600V

6A F

red

CNPS

t°

1

CN51

DC12V

CN213

CNTYP4

F4

AC250V

6.3A T

R5

*3

3

2

Compressor ON/OFF output
Error detection output

CN201

Z25

4

1

TH6

SWU2

LED1

R26~R31

SW6

10

Control Board

TH3

CN40

63HS1

CN41

TH7

t°

3

2

SW4

LED3

LEV1

LEV6

SC-V

CT22

SC-U

1

CN4

blue

1

M

t°

white

3

yellow
CN3K

3

M

TB11

3

M

blue

CN3N

U

TB1

CN62

TP1

black

white

ON

OFF

M-NET power

supply circuit

M-NET Board

Indoor/Heat source

transmission

cable

INV Board

red

TB31

1

ON

1

1's

digit

THHS

CNIT

red

S

CN990

TB3

10's

digit

OFF

LED2:Normal operation(Lit)

5

TB7

CNDC

red

M1

red

t°

U

4

LED1:Power supply to

     Indoor/Heat source

transmission line

ZNR400

M2

32

M1

black

Central control

transmission

cable

*6

SC-L3

ON

OFF

FT-N

5

3

CN04

red

CN2

X08

SC-P2

P

CN202

red

TH5

N

M2

TP2

LED1:Normaloperation(Lit)

/Error(Blink)

2

X04

*4

SC-W

SC-L1

CN506

P

63H1

CN801

red

SW5

10

CN61

1

CNAC

F01

AC250V

3.15A T

1

t°

ON

OFF

10

SWU1

CN212

red

SC-L2

Z24

4

1

2

5

6

2

1

3

CNTYP5

green

1

2

CN4 1

CN6

IPM

SC-P10

FT-P

CT3

C10~C12

TB21

RSH1

CN102

R6

C14

1

63LS

ZNR1

U

L

Noise
Filter

3

1

CN6

yellow

CNLVA

CNLVB

red

CNLVD

 blue

1

2

3

4

5

6

3

Ground

6

4

3

2

1

6

4

G

3

2

L1 L2

L3

1

L3

Power failure

detection circuit

X13

X07

M

1~

X02

CN502

black

 yellow

CNPOW

MF1

SV7b

CN509

yellow

THINV

t°

CNTYP1

black

SV7a

t°

TH8

M

CN992A

CNLVE

6

4

3

2

1

CNTYP

black

3
1

CNTYP2

black

LEV7

LEVINV

 yellow

 green

green

CN211

green

1 2 3 4

CNS2

2 1

yellow

CN3D

black

CNAC2

X14

SV4b

SV4a

SV4d

 red

X06

CN505

X05

21S4a

←SET UP(SW6-10)

SWP1

4

1

green

3

CN4

1

3

4

black

4

2

1

1

6

4

1

5

2 1

2 1

4

5

1

2 1

CN63PW

blue

CNOUT

yellow

CNAO

green

2

3

1

1

CN2

4

5

6

7

R20~R25

+

+

FT-C

SC-N

R1

R5

1
5

6

white

black

red

*5

DB1

CNTR

4

1

7

5

6

1

G

Noise

Filter

Surge

Absorber

F02

AC600V

6A

F

V

U

W

MS

3~

Motor

(Compressor)

red

white black

green

52C

F01

Function

setting

LED1

Display
setting/

/Error(Blink)

C2

C1

4

T03

(Transformer)

3

1

4

1

TB7 Power
selecting
connector

Function

setting

LED4:CPU in operation

Board

4

 yellow

2

red
black

*5

5

*10

*10

*10

t°

TH2

TH4

t°

*10

SV1a

21S4b

*8

X10

CN507

X09

SV9

SV7c

 black

*9

*8

2

3

1

4

5

6

CN503

green

X03

52C

A1

A2

1

2

1

2

1

2

1

2

1

2

1

2

1

3

1

3

2

1

3

2

4

3

1

2

3

1

3

1

1

3

1

3

1

3

1

3

5

6

1

3

5

6

1

3

5

6

1

3

6

1

3

5

6

1

3

1

2

1 2

1

2

3

1

2

3

1

2

3

5

1 2

3 4 6

1 2 3 4

1 2 3 4

1 2 3 4 5

Transformer

T04

(Transformer)

box 2

X15

CN510

1

2

CNTR9

2

1

*9

*9

*9

1

1

CNTR6

3

1

1

2

1

3

CNTR3

1

red

*3

DCL

CPU power

supply circuit

red

I/O Board

CNAC4

black

CNOUT2

yellow

CNPW

blue

TB8

Operation
ON signal

Pump Interlock

*7

red

 CN2

CNA0

green

*7

CNTR2

CNTR5

CNTR4

Noise

Filter

TB9

*7

DC0-10V

signal output

6:signal

5:GND

(OUT)

CNTR8

CNTR7

+

+

-

↓

2 1

2 1

4

5

1

2 1

2

3

1

4

2

3

1

4

5

6

I/O Board

CNAC4

black

CNOUT2

yellow

CNPW

blue

TB8

Operation
ON signal

Pump Interlock

*7

CNA0

green

*7

TB9

*7

DC0-10V

signal output

6:signal

5:GND

(OUT)

(Note 1) Use insulated terminals for connection to TB8 and TB9.

0000006382.BOOK  80 ページ  ２０２１年７月１９日　月曜日　午後４時１４分

Summary of Contents for City Multi PQRY-P120ZLMU-A1

Page 1: ...AIR CONDITIONING SYSTEMS MODEL PQRY P72 336Z S LMU A1 ...

Page 2: ...P120ZLMU A1 Type BTU h Model Name Type BTU h Model Name 144K PQRY P144ZSLMU A1 192K PQRY P192ZSLMU A1 168K PQRY P168ZSLMU A1 Type BTU h Model Name 216K PQRY P216ZSLMU A1 240K PQRY P240ZSLMU A1 Type BTU h Model Name 288K PQRY P288ZSLMU A1 336K PQRY P336ZSLMU A1 312K PQRY P312ZSLMU A1 Type BTU h Model Name Water Cooled WR2 Series 575V 0000006381 BOOK 1 ページ ２０２１年７月１９日 月曜日 午後３時２６分 ...

Page 3: ... 2 OUTDOOR TWINNING KIT 91 9 3 JOINT KIT CMY R160 J1 FOR BC CONTROLLER 92 10 ELECTRICAL WORK 93 10 1 General cautions 93 10 2 Power supply for Heat source unit 94 10 3 Power cable specifications 95 10 4 Power supply examples 96 11 M NET CONTROL 98 11 1 Transmission cable length limitation 98 11 2 Transmission cable specifications 99 11 3 System configuration restrictions 100 11 4 Address setting 1...

Page 4: ...l charge R410A x 11 lbs 1 oz 5 0 kg Control Indoor LEV and BC controller Net weight lbs kg 411 186 Heat exchanger plate type Water volume in plate G 1 32 l 5 0 Water pressure Max psi 290 MPa 2 0 HIC circuit HIC Heat Inter Changer Drawing External KL94C243 Wiring KE94G421 Standard Document Installation Manual attachment Accessory Details refer to External Drw Optional parts joint CMY Y102SS G2 CMY ...

Page 5: ...11 lbs 1 oz 5 0 kg Control Indoor LEV and BC controller Net weight lbs kg 411 186 Heat exchanger plate type Water volume in plate G 1 32 l 5 0 Water pressure Max psi 290 MPa 2 0 HIC circuit HIC Heat Inter Changer Drawing External KL94C243 Wiring KE94G421 Standard Document Installation Manual attachment Accessory Details refer to External Drw Optional parts joint CMY Y102SS G2 CMY Y102LS G2 CMY R16...

Page 6: ...x 11 lbs 1 oz 5 0 kg Control Indoor LEV and BC controller Net weight lbs kg 411 186 Heat exchanger plate type Water volume in plate G 1 32 l 5 0 Water pressure Max psi 290 MPa 2 0 HIC circuit HIC Heat Inter Changer Drawing External KL94C243 Wiring KE94G421 Standard Document Installation Manual attachment Accessory Details refer to External Drw Optional parts joint CMY Y102SS G2 CMY Y102LS G2 CMY R...

Page 7: ...e x original charge R410A x 13 lbs 4 oz 6 0 kg Control Indoor LEV and BC controller Net weight lbs kg 512 232 Heat exchanger plate type Water volume in plate G 1 32 l 5 0 Water pressure Max psi 290 MPa 2 0 HIC circuit HIC Heat Inter Changer Drawing External KL94C244 Wiring KE94G421 Standard Document Installation Manual attachment Accessory Details refer to External Drw Optional parts joint CMY Y10...

Page 8: ... Type x original charge R410A x 13 lbs 4 oz 6 0 kg Control Indoor LEV and BC controller Net weight lbs kg 512 232 Heat exchanger plate type Water volume in plate G 1 32 l 5 0 Water pressure Max psi 290 MPa 2 0 HIC circuit HIC Heat Inter Changer Drawing External KL94C244 Wiring KE94G421 Standard Document Installation Manual attachment Accessory Details refer to External Drw Optional parts joint CMY...

Page 9: ...nt Type x original charge R410A x 13 lbs 4 oz 6 0 kg Control Indoor LEV and BC controller Net weight lbs kg 512 232 Heat exchanger plate type Water volume in plate G 1 32 l 5 0 Water pressure Max psi 290 MPa 2 0 HIC circuit HIC Heat Inter Changer Drawing External KL94C244 Wiring KE94G421 Standard Document Installation Manual attachment Accessory Details refer to External Drw Optional parts joint C...

Page 10: ...igerant Type x original charge R410A x 11 lbs 1 oz 5 0 kg R410A x 11 lbs 1 oz 5 0 kg Control Indoor LEV and BC controller Net weight lbs kg 411 186 411 186 Heat exchanger plate type plate type Water volume in plate G 1 32 1 32 l 5 0 5 0 Water pressure Max psi 290 290 MPa 2 0 2 0 HIC circuit HIC Heat Inter Changer Pipe between unit and High pressure in mm 5 8 15 88 Brazed 5 8 15 88 Brazed distribut...

Page 11: ...frigerant Type x original charge R410A x 11 lbs 1 oz 5 0 kg R410A x 11 lbs 1 oz 5 0 kg Control Indoor LEV and BC controller Net weight lbs kg 411 186 411 186 Heat exchanger plate type plate type Water volume in plate G 1 32 1 32 l 5 0 5 0 Water pressure Max psi 290 290 MPa 2 0 2 0 HIC circuit HIC Heat Inter Changer Pipe between unit and High pressure in mm 3 4 19 05 Brazed 3 4 19 05 Brazed distrib...

Page 12: ... Refrigerant Type x original charge R410A x 11 lbs 1 oz 5 0 kg R410A x 11 lbs 1 oz 5 0 kg Control Indoor LEV and BC controller Net weight lbs kg 411 186 411 186 Heat exchanger plate type plate type Water volume in plate G 1 32 1 32 l 5 0 5 0 Water pressure Max psi 290 290 MPa 2 0 2 0 HIC circuit HIC Heat Inter Changer Pipe between unit and High pressure in mm 3 4 19 05 Brazed 3 4 19 05 Brazed dist...

Page 13: ...oz 5 0 kg R410A x 11 lbs 1 oz 5 0 kg Control Indoor LEV and BC controller Net weight lbs kg 411 186 411 186 Heat exchanger plate type plate type Water volume in plate G 1 32 1 32 l 5 0 5 0 Water pressure Max psi 290 290 MPa 2 0 2 0 HIC circuit HIC Heat Inter Changer Pipe between unit and High pressure in mm 3 4 19 05 Brazed 3 4 19 05 Brazed distributor Low pressure in mm 7 8 22 2 Brazed Drawing Ex...

Page 14: ... oz 5 0 kg R410A x 11 lbs 1 oz 5 0 kg Control Indoor LEV and BC controller Net weight lbs kg 411 186 411 186 Heat exchanger plate type plate type Water volume in plate G 1 32 1 32 l 5 0 5 0 Water pressure Max psi 290 290 MPa 2 0 2 0 HIC circuit HIC Heat Inter Changer Pipe between unit and High pressure in mm 3 4 19 05 Brazed 3 4 19 05 Brazed distributor Low pressure in mm 7 8 22 2 Brazed Drawing E...

Page 15: ...tection Over heat protection Refrigerant Type x original charge R410A x 13 lbs 4 oz 6 0 kg R410A x 13 lbs 4 oz 6 0 kg Control Indoor LEV and BC controller Net weight lbs kg 512 232 512 232 Heat exchanger plate type plate type Water volume in plate G 1 32 1 32 l 5 0 5 0 Water pressure Max psi 290 290 MPa 2 0 2 0 HIC circuit HIC Heat Inter Changer Pipe between unit and High pressure in mm 7 8 22 2 B...

Page 16: ...otection Over heat protection Refrigerant Type x original charge R410A x 13 lbs 4 oz 6 0 kg R410A x 13 lbs 4 oz 6 0 kg Control Indoor LEV and BC controller Net weight lbs kg 512 232 512 232 Heat exchanger plate type plate type Water volume in plate G 1 32 1 32 l 5 0 5 0 Water pressure Max psi 290 290 MPa 2 0 2 0 HIC circuit HIC Heat Inter Changer Pipe between unit and High pressure in mm 7 8 22 2 ...

Page 17: ...rotection Over heat protection Refrigerant Type x original charge R410A x 13 lbs 4 oz 6 0 kg R410A x 13 lbs 4 oz 6 0 kg Control Indoor LEV and BC controller Net weight lbs kg 512 232 512 232 Heat exchanger plate type plate type Water volume in plate G 1 32 1 32 l 5 0 5 0 Water pressure Max psi 290 290 MPa 2 0 2 0 HIC circuit HIC Heat Inter Changer Pipe between unit and High pressure in mm 7 8 22 2...

Page 18: ...accessory kit Sealing material for field piping high pressure low pressure 1pc each P72 P96 P120 Packaged in the accessory kit Sealing material for drain socket 1pc P72 P96 P120 Packaged in the accessory kit Pipe cover for low pressure 1pc P72 P96 P120 Packaged in the accessory kit Top view Front view Right side view Back view Bottom view Fig B Fig A 1 2 4 3 5 6 7 8 ø45 Knockout hole 1 13 16 Uses ...

Page 19: ...event the pipe burst by the water pipe freeze up Circulate the water all the time even if the heat source unit is not in operation Drain the water from inside of the heat source unit when the heat source unit will not operate for a long term Note7 Ensure that the drain piping is downward with a pitch of more than 1 100 Note8 At brazing of pipes wrap the refrigerant refrigerant service valve with w...

Page 20: ...rts Heat Source unit 2 PQRY P144ZSLMU A1 PQRY P72ZLMU A1 CMY Q100CBK2 Twinning pipe Heat source unit Unit model High pressure Low pressure c or e d P72 P96 P120 ø19 05 3 4 ø22 2 7 8 BC controller Twinning pipe High pressure Low pressure a ø28 58 1 1 8 b ø22 2 7 8 PQRY P72ZLMU A1 PQRY P168ZSLMU A1 PQRY P96ZLMU A1 PQRY P72ZLMU A1 PQRY P192ZSLMU A1 PQRY P96ZLMU A1 PQRY P96ZLMU A1 PQRY P216ZSLMU A1 PQ...

Page 21: ...ls of Twinning pipe installation 4 Only use the Twinning pipe by Mitsubishi optional parts Package unit name Component unit name Heat Source unit 1 Twinning pipe Kit optional parts Heat Source unit 2 PQRY P288ZSLMU A1 PQRY P144ZLMU A1 CMY Q200CBK Twinning pipe Heat source unit Unit model High pressure Low pressure c or e d P144 P168 ø22 2 7 8 BC controller Twinning pipe High pressure Low pressure ...

Page 22: ... 4 232 9 3 16 387 15 1 4 232 9 3 16 616 24 5 16 616 24 5 16 PQRY P144ZLMU A1 387 15 1 4 232 9 3 16 616 24 5 16 PQRY P192ZLMU A1 PQRY P168ZLMU A1 PQRY P72 96 120ZLMU A1 Unit mm in Unit mm in PQRY P144 168 192ZLMU A1 X 79 5 3 3 16 880 34 11 16 721 28 7 16 1 550 21 11 16 473 18 5 8 1 1450 57 1 8 Z Y 1 Mounting Pitch 1 Mounting Pitch 880 34 11 16 721 28 7 16 1 X 79 5 3 3 16 550 21 11 16 473 18 5 8 1 Y...

Page 23: ...een 1 2 3 4 CNS2 2 1 yellow CN3D black CNAC2 X14 SV4b SV4a SV4d red X06 CN505 X05 21S4a SET UP SW6 10 SWP1 4 1 green 3 CN4 1 3 4 black 4 2 1 1 6 4 1 5 2 1 2 1 4 5 1 2 1 CN63PW blue CNOUT yellow CNAO green 2 3 1 1 CN2 4 5 6 7 R20 R25 FT C SC N R1 R5 1 5 6 white black red 5 DB1 CNTR 4 1 7 5 6 1 G Noise Filter Surge Absorber F02 AC600V 6A F V U W MS 3 Motor Compressor red white black green 52C F01 Fu...

Page 24: ...evel of PQRY P120ZLMU A1 63 125 250 500 1k 2k 4k 8k dB A Standard 60Hz 66 5 45 5 44 5 42 0 39 5 34 5 32 0 25 5 46 0 Low noise mode 60Hz 41 5 42 0 38 5 43 0 40 0 33 0 30 5 22 0 44 0 When Low noise mode is set the A C system s capacity is limited The system could return to normal operation from Low noise mode automatically in the case that the operation condition is severe 10 20 30 40 50 60 70 80 90...

Page 25: ... PQRY P192ZLMU A1 63 125 250 500 1k 2k 4k 8k dB A Standard 60Hz 75 5 53 5 52 0 48 0 48 0 43 5 40 5 33 5 54 0 Low noise mode 60Hz 54 0 53 5 47 5 43 5 43 5 42 0 44 5 40 5 50 5 When Low noise mode is set the A C system s capacity is limited The system could return to normal operation from Low noise mode automatically in the case that the operation condition is severe 10 20 30 40 50 60 70 80 90 63 125...

Page 26: ... of PQRY P144ZSLMU A1 63 125 250 500 1k 2k 4k 8k dB A Standard 60Hz 57 5 63 0 57 5 49 0 47 5 43 5 45 0 36 0 55 0 Low noise mode 60Hz 68 0 49 5 47 0 46 0 44 0 39 5 36 0 29 5 49 5 When Low noise mode is set the A C system s capacity is limited The system could return to normal operation from Low noise mode automatically in the case that the operation condition is severe 10 20 30 40 50 60 70 80 90 63...

Page 27: ...PQRY P336ZSLMU A1 63 125 250 500 1k 2k 4k 8k dB A Standard 60Hz 78 5 56 5 55 0 51 0 51 0 46 5 43 5 36 5 57 0 Low noise mode 60Hz 57 0 56 5 50 5 46 5 46 5 45 0 47 5 43 5 53 5 When Low noise mode is set the A C system s capacity is limited The system could return to normal operation from Low noise mode automatically in the case that the operation condition is severe 10 20 30 40 50 60 70 80 90 63 125...

Page 28: ...30 35 40 45 50 Indoor temperature Inlet water temperature Inlet water temperature The upper limit of the outlet water temperature is approximately 70 C 158 F when the circulating water flow rate is within the normal range If the circulating water flow rate goes outside the normal range the outlet water temperature may exceed the above limit 10 to 45 C 50 to 113 F 15 to 27 CDB 59 to 81 FDB Indoor t...

Page 29: ... 00 1 05 1 10 2 4 3 5 7 6 8 Ratio Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 2 3 4 6 5 7 8 Ratio Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0...

Page 30: ...a 0 10 20 30 40 Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 2 3 4 6 5 7 8 Ratio Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 Ratio Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Ratio 0 7 0 8 0 9 1 0 1 1 1 2 1 3 10 0...

Page 31: ...kPa 0 10 20 30 40 Ratio Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 2 3 4 6 5 7 8 Ratio Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Ratio 0 7 0 8 0 9 1 0 1 1 1 2 1 3 10...

Page 32: ...00 110 120 10 Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 4 6 8 10 12 Ratio Water volume m3 h Water volume m3 h 4 5 6 10 8 7 11 12 9 0 20 30 40 50 60 70 80 90 100 110 120 10 Water pressure drop Water pressure drop kPa Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Ratio 0 7 0 8 ...

Page 33: ... Water pressure drop kPa Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 4 6 8 10 12 Ratio Water volume m3 h Water volume m3 h 4 5 6 10 8 7 11 12 9 0 20 30 40 50 60 70 80 90 100 110 120 10 Water pressure drop Water pressure drop kPa Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Rat...

Page 34: ...10 Water pressure drop kPa Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 4 6 8 10 12 Ratio Water volume m3 h Water volume m3 h 4 5 6 10 8 7 11 12 9 0 20 30 40 50 60 70 80 90 100 110 120 10 Water pressure drop Water pressure drop kPa Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C R...

Page 35: ...W Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 2 4 3 5 7 6 8 Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 The drawing indicates characteristic per unit Ratio Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Ratio 0 7 0 ...

Page 36: ...W Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 2 4 3 5 7 6 8 Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 The drawing indicates characteristic per unit Ratio Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Ratio 0 7 0 ...

Page 37: ... kW Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 2 4 3 5 7 6 8 Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 The drawing indicates characteristic per unit Ratio Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Ratio 0 7 ...

Page 38: ...t kW Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 2 4 3 5 7 6 8 Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 The drawing indicates characteristic per unit Ratio Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Ratio 0 7...

Page 39: ...t kW Capacity Input Water volume 0 90 0 95 1 00 1 05 1 10 2 4 3 5 7 6 8 Water volume m3 h Water volume m3 h Water pressure drop 2 3 4 5 6 8 7 Water pressure drop kPa 0 10 20 30 40 The drawing indicates characteristic per unit Ratio Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 Inlet water temp C Ratio 0 7...

Page 40: ...city P288ZSLMU P288ZSLMU kW 20 42 Input kW kW 94 7 kW 90 3 BTU h 323 000 BTU h 308 000 Input Non Ducted 16 13 Ducted 16 05 PQRY Nominal Heating Capacity Rated Heating Capacity kW 17 50 Input kW Water pressure drop kPa The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 4...

Page 41: ...ity P312ZSLMU P312ZSLMU kW 23 41 Input kW kW 102 6 kW 97 9 BTU h 350 000 BTU h 334 000 Input Non Ducted 17 62 Ducted 17 96 PQRY Nominal Heating Capacity Rated Heating Capacity kW 19 11 Input kW Water pressure drop kPa The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 4...

Page 42: ...ity P336ZSLMU P336ZSLMU kW 26 84 Input kW kW 110 8 kW 105 8 BTU h 378 000 BTU h 361 000 Input Non Ducted 19 16 Ducted 20 05 PQRY Nominal Heating Capacity Rated Heating Capacity kW 20 77 Input kW Water pressure drop kPa The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 10 0 15 0 20 0 25 0 30 0 35 0 40 0 ...

Page 43: ...QRY Nominal Cooling Capacity Rated Cooling Capacity P72ZLMU P72ZLMU kW 3 61 Input kW kW 23 4 kW 22 3 BTU h 80 000 BTU h 76 000 Input Non Ducted 3 74 Ducted 3 36 PQRY Nominal Heating Capacity Rated Heating Capacity kW 4 04 Input kW Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water temp F Ratio 0 6 0 7 0 8 0 9...

Page 44: ...RY Nominal Cooling Capacity Rated Cooling Capacity P96ZLMU kW 5 21 Input kW P96ZLMU kW 31 7 kW 30 2 BTU h 108 000 BTU h 103 000 Input Non Ducted 5 21 Ducted 4 48 PQRY Nominal Heating Capacity Rated Heating Capacity kW 5 64 Input kW Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water temp F Ratio 0 6 0 7 0 8 0 ...

Page 45: ...RY Nominal Cooling Capacity Rated Cooling Capacity P120ZLMU kW 7 51 Input kW P120ZLMU kW 39 6 kW 37 8 BTU h 135 000 BTU h 129 000 Input Non Ducted 6 55 Ducted 5 92 PQRY Nominal Heating Capacity Rated Heating Capacity kW 7 09 Input kW Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water temp F Ratio 0 6 0 7 0 8 ...

Page 46: ...ut Non Ducted 8 07 Ducted 9 98 PQRY Nominal Cooling Capacity Rated Cooling Capacity kW 8 78 Input kW kW 46 9 kW 44 5 BTU h 160 000 BTU h 152 000 Input Non Ducted 7 47 Ducted 7 90 PQRY Nominal Heating Capacity Rated Heating Capacity kW 8 11 Input kW Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water temp F Rat...

Page 47: ...Ducted 11 88 PQRY Nominal Cooling Capacity Rated Cooling Capacity P168ZLMU P168ZLMU kW 12 05 Input kW kW 55 1 kW 52 5 BTU h 188 000 BTU h 179 000 Input Non Ducted 9 09 Ducted 9 72 PQRY Nominal Heating Capacity Rated Heating Capacity kW 9 86 Input kW Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water temp F Ra...

Page 48: ...Non Ducted 13 87 Ducted 14 19 PQRY Nominal Cooling Capacity Rated Cooling Capacity kW 15 05 Input kW kW 63 0 kW 60 1 BTU h 215 000 BTU h 205 000 Input Non Ducted 10 97 Ducted 11 56 PQRY Nominal Heating Capacity Rated Heating Capacity kW 11 90 Input kW Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water temp F ...

Page 49: ...ity Rated Cooling Capacity P144ZSLMU P144ZSLMU kW 7 11 Input kW kW 46 9 kW 44 5 BTU h 160 000 BTU h 152 000 Input Non Ducted 6 86 Ducted 7 22 PQRY Nominal Heating Capacity Rated Heating Capacity kW 7 45 Input kW The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water t...

Page 50: ...ity Rated Cooling Capacity P168ZSLMU P168ZSLMU kW 9 33 Input kW kW 55 1 kW 52 5 BTU h 188 000 BTU h 179 000 Input Non Ducted 8 60 Ducted 8 03 PQRY Nominal Heating Capacity Rated Heating Capacity kW 9 34 Input kW The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water t...

Page 51: ...ty Rated Cooling Capacity P192ZSLMU P192ZSLMU kW 11 30 Input kW kW 63 0 kW 60 1 BTU h 215 000 BTU h 205 000 Input Non Ducted 10 16 Ducted 8 90 PQRY Nominal Heating Capacity Rated Heating Capacity kW 11 02 Input kW The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet water...

Page 52: ...ty Rated Cooling Capacity P216ZSLMU P216ZSLMU kW 14 03 Input kW kW 71 2 kW 68 0 BTU h 243 000 BTU h 232 000 Input Non Ducted 11 88 Ducted 10 35 PQRY Nominal Heating Capacity Rated Heating Capacity kW 12 88 Input kW The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet wate...

Page 53: ...ty Rated Cooling Capacity P240ZSLMU P240ZSLMU kW 16 89 Input kW kW 79 1 kW 75 6 BTU h 270 000 BTU h 258 000 Input Non Ducted 13 45 Ducted 12 02 PQRY Nominal Heating Capacity Rated Heating Capacity kW 14 58 Input kW The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 110 0 Inlet wate...

Page 54: ... Cooling Capacity Rated Cooling Capacity P288ZSLMU P288ZSLMU kW 20 42 Input kW kW 94 7 kW 90 3 BTU h 323 000 BTU h 308 000 Input Non Ducted 16 13 Ducted 16 05 PQRY Nominal Heating Capacity Rated Heating Capacity kW 17 50 Input kW The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 1...

Page 55: ...Cooling Capacity Rated Cooling Capacity P312ZSLMU P312ZSLMU kW 23 41 Input kW kW 102 6 kW 97 9 BTU h 350 000 BTU h 334 000 Input Non Ducted 17 62 Ducted 17 96 PQRY Nominal Heating Capacity Rated Heating Capacity kW 19 11 Input kW The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 1...

Page 56: ...Cooling Capacity Rated Cooling Capacity P336ZSLMU P336ZSLMU kW 26 84 Input kW kW 110 8 kW 105 8 BTU h 378 000 BTU h 361 000 Input Non Ducted 19 16 Ducted 20 05 PQRY Nominal Heating Capacity Rated Heating Capacity kW 20 77 Input kW The drawing indicates characteristic per unit Capacity Input Capacity Input Inlet water temp Inlet water temp 0 7 0 8 0 9 1 0 1 1 1 2 1 3 50 0 60 0 70 0 80 0 90 0 100 0 ...

Page 57: ...apacity Rated cooling capacity BTU h kW kW BTU h kW kW P72ZLMU PQRY 72 000 21 1 3 61 69 000 20 2 3 34 3 12 Non Ducted Ducted Input Input Nominal Heating capacity Rated Heating capacity BTU h kW kW BTU h kW kW P72ZLMU PQRY 80 000 23 4 4 04 76 000 22 3 3 74 3 36 Non Ducted Ducted Input Input Nominal cooling capacity Rated cooling capacity BTU h kW kW BTU h kW kW P96ZLMU PQRY 96 000 28 1 5 21 92 000 ...

Page 58: ...ing capacity Rated cooling capacity BTU h kW kW BTU h kW kW P144ZLMU PQRY 144 000 42 2 8 78 137 000 40 2 8 07 9 98 Non Ducted Ducted Input Input Nominal Heating capacity Rated Heating capacity BTU h kW kW BTU h kW kW P144ZLMU PQRY 160 000 46 9 8 11 152 000 44 5 7 47 7 90 Non Ducted Ducted Input Input Nominal cooling capacity Rated cooling capacity BTU h kW kW BTU h kW kW P144ZSLMU PQRY 144 000 42 ...

Page 59: ...g capacity Rated Heating capacity BTU h kW kW BTU h kW kW P192ZSLMU PQRY 215 000 63 0 11 02 205 000 60 1 10 16 8 90 Non Ducted Ducted Input Input Nominal cooling capacity Rated cooling capacity BTU h kW kW BTU h kW kW P168ZLMU PQRY 168 000 49 2 12 05 161 000 47 2 11 10 11 88 Non Ducted Ducted Input Input Nominal Heating capacity Rated Heating capacity BTU h kW kW BTU h kW kW P168ZLMU PQRY 188 000 ...

Page 60: ...ng capacity BTU h kW kW BTU h kW kW P240ZSLMU PQRY 240 000 70 3 16 89 228 000 66 8 15 57 16 15 Non Ducted Ducted Input Input Nominal Heating capacity Rated Heating capacity BTU h kW kW BTU h kW kW P240ZSLMU PQRY 270 000 79 1 14 58 258 000 75 6 13 45 12 02 Non Ducted Ducted Input Input Nominal cooling capacity Rated cooling capacity BTU h kW kW BTU h kW kW P216ZSLMU PQRY 216 000 63 3 14 03 206 000 ...

Page 61: ...cooling capacity BTU h kW kW BTU h kW kW P288ZSLMU PQRY 288 000 84 4 20 42 275 000 80 6 18 82 21 43 Non Ducted Ducted Input Input Nominal Heating capacity Rated Heating capacity BTU h kW kW BTU h kW kW P288ZSLMU PQRY 323 000 94 7 17 50 308 000 90 3 16 13 16 05 Non Ducted Ducted Input Input Nominal cooling capacity Rated cooling capacity BTU h kW kW BTU h kW kW P312ZSLMU PQRY 312 000 91 4 23 41 297...

Page 62: ...24 76 25 85 Non Ducted Ducted Input Input Nominal Heating capacity Rated Heating capacity BTU h kW kW BTU h kW kW P336ZSLMU PQRY 378 000 110 8 20 77 361 000 105 8 19 16 20 05 Non Ducted Ducted Input Input 1 2 1 0 0 8 0 6 0 4 0 8 0 6 0 4 0 2 1 0 1 2 Cooling Heating 100 200 400 500 300 600 Total capacity of indoor units Ratio of capacity Ratio of power input 0000006382 BOOK 60 ページ ２０２１年７月１９日 月曜日 午後４...

Page 63: ...96 144 ft 1 00 0 90 0 80 0 95 0 85 0 75 0 65 0 70 Cooling capacity correction factor Total capacity of indoor unit Piping equivalent length PQRY P192Z S LMU 0 100 200 300 400 500 600 96 144 192 288 ft 1 00 0 90 0 80 0 95 0 85 0 75 0 65 0 70 Cooling capacity correction factor Total capacity of indoor unit Piping equivalent length PQRY P120ZLMU 0 100 200 300 400 500 600 60 90 120 180 ft 1 00 0 90 0 ...

Page 64: ... of indoor unit PQRY P336ZSLMU 0 100 200 300 400 500 600 168 252 336 504 ft 1 00 0 90 0 80 0 95 0 85 0 75 0 65 0 70 Cooling capacity correction factor Piping equivalent length Total capacity of indoor unit PQRY P312ZSLMU 0 100 200 300 400 500 600 156 234 312 468 ft 1 00 0 90 0 80 0 95 0 85 0 75 0 65 0 70 Cooling capacity correction factor Piping equivalent length Total capacity of indoor unit 0000...

Page 65: ...U Heating capacity correction factor ft 0 600 500 400 300 200 100 0 80 0 90 1 00 Piping equivalent length PQRY P96 120ZLMU Heating capacity correction factor ft 0 600 500 400 300 200 100 0 80 0 90 1 00 Piping equivalent length PQRY P288 312ZSLMU Heating capacity correction factor ft 0 600 500 400 300 200 100 0 80 0 90 1 00 Piping equivalent length PQRY P144 168 192Z S LMU Heating capacity correcti...

Page 66: ...on the piping ft Equivalent length Actual piping length to the farthest indoor unit 0 47 x number of bent on the piping m 4 PQRY P144 168 192 216 240Z S LMU Equivalent length Actual piping length to the farthest indoor unit 1 64 x number of bent on the piping ft Equivalent length Actual piping length to the farthest indoor unit 0 50 x number of bent on the piping m 5 PQRY P288 312ZSLMU Equivalent ...

Page 67: ...pt in a range of 10 45 C 50 113 F regardless of the building load the water heat source CITY MULTI can be operated for either cooling or heating Therefore in the summer when only cooling load exists the temperature rise of circulation water will be suppressed by operating the cooling tower While in the winter when heating load increases the inlet temperature of circulation water may be dropped bel...

Page 68: ...operation temporarily at pulling down in the summer however it is not necessary to determine the capacity according to the total cooling capacity of all CITY MULTI units as this system has a wide operating water temperature range It is determined in accordance with the value obtained by adding the maximum cooling load of an actual building the input heat equivalent value of all CITY MULTI units an...

Page 69: ... running cost through the heat storage by using the discounted night time electric power using both auxiliary heat source and heat storage tank together is recommended The effective temperature difference of an ordinary heat storage tank shows about 5 C 41 F even with the storing temperature at 45 C 113 F However with the water heat source CITY MULTI it can be utilized as heating heat source up to...

Page 70: ...in each zone kcal h Q e3 Thermal load from equipment in each zone kcal h ψ Radiation load rate 0 6 0 8 T2 Air conditioning hour 1 COPh HQ1T 1 3 412 Pw T2 QH K BTU T1 QH1T Total of heating load on weekday including warming up BTU day T1 Operating hour of auxiliary heat source h T2 Operating hour of heat source water pump h K Allowance factor Heat storage tank piping loss etc 1 05 1 10 HQ1T is calcu...

Page 71: ... load including load required for the day after the holiday kcal day T Temperature difference utilized by heat storage tank C ƞV Heat storage tank efficiency HQ2T 1 3 ƩQ a ƩQ c ƩQ d ƩQ f T2 ψ ƩQe2 ƩQe3 T2 1 1 COPh HQ2T 1 3 412 Pw T2 V Ibs T ƞV HQ2T Maximum heating load including load required for the day after the holiday BTU day T Temperature difference utilized by heat storage tank F ƞV Heat sto...

Page 72: ...xpansion contraction of water caused by temperature fluctuation e If the operating temperature range of circulation water stays within the temperature near the normal temperature sum mer 30 C 86 F winter 20 C 68 F thermal insulation or anti sweating work is not required for the piping inside buildings In case of the conditions below however thermal insulation is required When well water is used fo...

Page 73: ...er In the summer as the inlet water temperature rises exceeding the set temperature of T1 the bypass port of V1 will open to lower the inlet water temperature While in the winter as the inlet water temperature drops V2 will open following the command of T2 to rise the inlet water temperature The water inside the heat storage tank will be heated by the auxiliary heat source by V3 being opened with ...

Page 74: ...y interlocking thus preventing the high temperature water from entering into the system at the starting of the pump The start stop control of the fan and pump of the closed type cooling tower is applied with the step control of the fan and pump following the command of the auxiliary switch XS of V1 that operates only the fan at the light load while the fan and pump at the maximum load thus control...

Page 75: ... bypass port of V2 will be closed fully by interlocking The start stop control of the fan and pump of the closed type cooling tower is applied with the step control following the command of the auxiliary switch XS of V1 thus controlling water temperature and saving motor power Heat source unit Closed type cooling tower T1 Proportional type insertion system thermostat T2 Proportional type insertion...

Page 76: ...pump the bypass port of V2 will be closed fully by interlocking The start stop control of the fan and pump of the closed type cooling tower is applied with the step control following the command of the auxiliary switch XS of V1 thus controlling water temperature and saving motor power Heat source unit Closed type cooling tower T1 Proportional type insertion system thermostat T2 Proportional type i...

Page 77: ...quipment This circuit is for interlocking of the heat source equipment operation and the heat source water pump Wiring diagram 1 TB8 Heat source equipment Heat source equipment To next equipment 2 3 4 1 TB8 2 3 4 MP Site control panel 208 230V X Relay FS Flow switch 52P Magnetic contactor for heat source water pump MP Heat source water pump MCB Circuit breaker Use an insulated ring terminal for th...

Page 78: ...ontroller Note It is output even if the thermostat is OFF when the compressor is stopped Terminal No Input Operation TB8 3 4 Level signal If the circuit between TB8 3 and TB8 4 is open compressor operation is prohibited SW4 0 OFF 1 ON 1 2 3 4 5 6 7 8 9 10 1 0 1 0 1 0 0 1 1 1 Remove the short circuit wire between 3 and 4 when wiring to TB8 To prevent a false detection of error resulting from contac...

Page 79: ... status of the circulating water flow rate control function 6 Water circuit components To be procured on site Water circuit components that are necessary to control circulating water include such components as motor powered water flow rate control valve control valve and shut off valve Valves that meet the water flow rate specification of the heat source unit must be used See Figure c 1 and Table ...

Page 80: ...Min water flow rate 5 0 V Dip SW4 810 ON 0 V 0 V 7 6 V Min water flow rate 7 6 9 1 V Note 1 Note 1 Note 1 Note 1 100 Required circulating water flow rate 0 1 2 3 4 5 6 7 8 9 10 100 Output voltage V Output voltage V 0 1 2 3 4 5 6 7 8 9 10 Required circulating water flow rate Figure b 1 Analog signal output when Dip SW4 810 is set to OFF Figure b 2 Analog signal output when Dip SW4 810 is set to ON ...

Page 81: ... TB8 3 4 Digital input Power supply for water flow rate control valve Unit 1 24 VAC or 24 VDC Control board Water flor rate control valve 1 Power supply Power supply for water flow rate control valve Unit 2 24 VAC or 24 VDC Control board Water flow rate control valve 2 Power supply Symbol Component Usage Note 1 Motor powered water flow rate control valve For controlling water flow rate To be procu...

Page 82: ...NLVA CNLVB red CNLVD blue 1 2 3 4 5 6 3 Ground 6 4 3 2 1 6 4 G 3 2 L1 L2 L3 1 L3 Power failure detection circuit X13 X07 M 1 X02 CN502 black yellow CNPOW MF1 SV7b CN509 yellow THINV t CNTYP1 black SV7a t TH8 M CN992A CNLVE 6 4 3 2 1 CNTYP black 3 1 CNTYP2 black LEV7 LEVINV yellow green green CN211 green 1 2 3 4 CNS2 2 1 yellow CN3D black CNAC2 X14 SV4b SV4a SV4d red X06 CN505 X05 21S4a SET UP SW6 ...

Page 83: ...l valve problem pump interlock failure etc f Expansion function for the management of circulating water flow rate Making the following settings can reduce the power required to operate the circulating water pump in the water circuit system Note that doing so may delay the start of heat source units by a few minutes Switch Function Operation according to the switch setting Switch setting timing Uni...

Page 84: ...4 917 OFF OFF OFF Time Time TB8 3 4 TB8 3 4 ON Pump interlock detection ON Pump interlock detection OFF OFF Time Time Circulating water stops when all heat source units OC OS are in the Thermo OFF state Thermo ON Stopped Thermo OFF Thermo ON Stopped Thermo OFF Thermo ON Heat source unit operation Heat source unit operation Heat source unit operation Heat source unit operation Thermo OFF Thermo OFF...

Page 85: ...nit water piping and water piping on site apply liquid sealing material for water piping over the sealing tape before connection This unit doesn t include a heater to prevent freezing within tubes If the water flow is stopped on low ambient drain the water out The unused knockout holes should be closed and the refrigerant pipes water pipes power source and transmis sion wires access holes should b...

Page 86: ...ation or corrosion Since piping may be corroded by some kinds of inhibitor consult an appropriate water treatment expert for proper water treatment 4 Pump interlock Operating the heat source unit without circulation water inside the water piping can cause a trouble Be sure to provide interlocking for the unit operation and water circuit Since the terminal block is being provided inside the unit us...

Page 87: ... the water flow rate to prevent the plate heat exchanger from freezing Take into consideration the water pressure loss before and after each heat source unit and make sure the water flow rate falls within the design water flow rate range Stop the test run and correct any problems found if any At the completion of a test run check the strainer at the inlet pipe of the heat source unit and clean it ...

Page 88: ...e the inlet connection port and after the outlet connection port 3 Connect a pipe for circulating cleaning solution to the inlet outlet pipes of the plate heat exchanger fill the plate heat exchanger with cleaning solution at a temperature between 50 and 60 C and circulate the cleaning solution with a pump for 2 to 5 hours The cleaning time will depend on the temperature of the cleaning solution a...

Page 89: ...4 Outside diameter 1 1 8 ø5 8 ø1 2 2 Pcs Outside diameter 1 3 16 ø3 4 ø5 8 Outside diameter 1 1 2 ø3 4 ø1 2 Outside diameter 2 Pcs 13 16 ø3 8 ø1 4 1 1 2 9 16 ø3 8 ø3 8 ø3 8 For Gas pipe For Liquid pipe Pipe diameter is indicated by inside diameter in CMY Y102LS G2 Reducer Accessory Reducer Accessory 2 Pcs 2 Pcs 2 Pcs Outside diameter Outside diameter Outside diameter Outside diameter Outside diame...

Page 90: ...8 ø3 4 ø1 ø7 8 ø1 ø7 8 ø3 4 ø5 8 ø1 2 ø5 8 ø1 2 ø3 8 ø5 8 ø5 8 ø3 8 ø1 2 ø5 8 For High pressure For Low pressure For Liquid line Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Cover 3 Pcs in CMY R203S G For High pressure For Low pressure For Liquid line Outsid...

Page 91: ... diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter 1 1 16 2 5 8 1 3 16 3 9 16 1 13 16 1 5 8 1 11 16 1 3 16 2 3 4 2 3 16 1 1 2 2 3 4 1 3 16 3 9 16 2 3 4 1 13 16 2 3 16 1 13 16 1 5 8 1 11 16 2 3 16 2 3 16 1 5 8 1 13 16 15 16 3 Pcs 2 Pcs 2 Pcs 2 Pcs 2 Pcs 2 Pcs ø1 ø3 4 ø1 ø...

Page 92: ...iameter Outside diameter Outside diameter Outside diameter 2 Pcs 2 Pcs 2 Pcs ø1 1 8 ø1 3 8 ø1 1 8 ø7 8 ø7 8 ø3 4 ø5 8 ø3 4 ø1 1 2 ø1 5 8 ø1 1 2 ø1 3 8 in CMY R304S G1 Note Pipe diameter is indicated by inside diameter 3 3 16 3 3 16 3 3 16 3 3 16 3 3 16 1 31 32 2 3 4 Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter Outside diameter 2 Pcs 2 Pcs 2 ...

Page 93: ...n site pipes Inclination tolerance of the relative to the ground High pressure twinning pipe Note 1 Refer to the figure below for the installation position of the high pressure twinning pipe 2 Pipe diameter is indicated by inside diameter high pressure twinning pipe is 15 15 Accessory Fixing screw Insulation cover Pipe cover 75mm 3 Length Pipe cover 360mm 14 3 16 Length Cable tie Water stopper Sea...

Page 94: ...s is available at the Installation Manual Joint kit CMY R160 J1 for BC controller is used to combine 2 ports of the BC controller at a PURY PQRY system so as to enable down stream Indoor capacity above P54 as shown in Fig 1 ø15 88 5 8 ø9 52 3 8 ø19 05 3 4 ø9 52 3 8 ø15 88 5 8 ø9 52 3 8 226 8 29 32 226 8 29 32 60 2 3 8 60 2 3 8 Instruction This sheet Please prepare the following items in the field ...

Page 95: ...e sure to provide designated grounding work to heat source unit Give some allowance to wiring for electrical part box of indoor and heat source unit because the box is sometimes removed at the time of service work Never connect 100V 208 230V 575V power source to terminal block of transmission cable If connected electrical parts will be damaged Use 2 core shield cable for transmission cable If tran...

Page 96: ...5 7 7 7 PQRY P144ZLMU 13 20 9 5 7 PQRY P168ZLMU 16 25 11 0 7 PQRY P192ZLMU 20 30 12 4 7 PQRY P144ZSLMU PQRY P72ZLMU 5 15 4 3 7 PQRY P72ZLMU 5 15 4 3 7 PQRY P168ZSLMU PQRY P72ZLMU 5 15 4 3 7 PQRY P96ZLMU 7 15 6 0 7 PQRY P192ZSLMU PQRY P96ZLMU 7 15 6 0 7 PQRY P96ZLMU 7 15 6 0 7 PQRY P216ZSLMU PQRY P96ZLMU 7 15 6 0 7 PQRY P120ZLMU 11 15 7 7 7 PQRY P240ZSLMU PQRY P120ZLMU 11 15 7 7 7 PQRY P120ZLMU 11 ...

Page 97: ...dhere to the wiring regulations of the region 5 Power supply cords of parts of appliances for heat source use shall not be lighter than polychloroprene sheathed flexible cord design 245 IEC57 For example use wiring such as YZW 6 A switch with at least 3 mm 1 8 in contact separation in each pole shall be provided by the Air Conditioner installer Be sure to use specified wires for connections and en...

Page 98: ...wer supply to TB7 of the heat source unit s is needed The connector change from CN41 to CN40 at one of the heat source units will enable the heat source unit to supply power to TB7 or an extra power supply unit PAC SC51KUA should be used The transmission cable above 1 25mm2 shielded CVVS CPEVS MVVS among Heat source units and system controllers is called central control transmission cable The shie...

Page 99: ...TB7 of the heat source unit s is needed The connector change from CN41 to CN40 at one of the heat source units will enable the heat source unit to supply power to TB7 or an extra power supply unit PAC SC51KUA should be used The transmission cable above 1 25mm2 shielded CVVS CPEVS MVVS among Heat source units and system controllers is called central control transmission cable The shield wire of the...

Page 100: ...ub M1M2S TB02 55 BC Sub M1M2S TB02 57 M2 TB7 TB3 52 OS TB7 51 OC M1 M2 S TB7 TB3 54 OC L3 Power Supply Unit AG 150A A PAC SC51KUA L 6 L 7 M2 M1 M1 M2 M1 M2 S M2 M1 M1 S TB3 11 1 2 Using ME Remote controller 11 1 1 Using MA Remote controller MA remote controller refers to Simple MA remote controller and wireless remote controller Max length via Heat source M NET cable L1 L2 L3 L1 L2 L4 L5 L3 L4 L5 ...

Page 101: ...d PVC sheathed shielded control cable CPEVS PE insulated PVC sheathed shielded communication cable 1 To wire PAR CT01MAU PAR 40MAAU and PAC YT53CRAU use a wire with a diameter of 0 3 mm2 AWG22 CVV PVC insulated PVC sheathed control cable Max length 200m 656ft Li MA Remote controller cables When 10m 32ft is exceeded use cables with the same specification as transmission cables More than 1 25 AWG16 ...

Page 102: ... connected units for M NET In order to ensure proper communication among Outdoor Heat source unit Indoor unit Lossnay and Controllers the trans mission power situation for the M NET should be observed In some cases Transmission booster should be used Taking the power consumption of Indoor unit as 1 the equivalent power consumption or supply of others are listed at Table 1 and Table 2 Both the tran...

Page 103: ...its listed in Table 3 is connected subtract 3 from the equivalent power supply Category Model The equivalent power supply Transmission Booster PAC SF46EPA G 25 1 Power supply unit PAC SC51KUA 5 Expansion controller PAC YG50ECA 6 BM ADAPTER BAC HD150 6 System controller AE 200A AE 50A 0 75 EW 50A 1 5 LM AP 0 Outdoor Heat source unit TB3 and TB7 total TB7 only TB3 only Outdoor unit other than the fo...

Page 104: ...on lines Indoor Outdoor Heat source transmission lines Fig 11 3 3 C When using PAC SC51KUA to supply transmission power the power supply connector CN41 on the Outdoor Heat source units should be kept as it is It is also a factory setting 1 PAC SC51KUA supports maximum 1 AG 150A A or 1 EB 50GU A unit due to the limited power 24VDC at its TB3 However 1 PAC SC51KUA supplies transmission power at its ...

Page 105: ...supply unit PAC SC51KUA is not necessary The expansion controller supplies power through TB3 which equals 6 indoor units refer to Table 2 11 3 6 Power supply to BM ADAPTER 1 phase 100 240VAC power supply is needed The power supply unit PAC SC51KUA is not necessary when only BM ADAPTER is connected Yet make sure to move the power jumper from CN41 to CN40 on the BM ADAPTER 11 3 7 Power supply to AE ...

Page 106: ...ller When connecting two remote controllers to one group set one remote controller as the main remote controller and the other as the sub remote controller 012 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 The factory setting is Main Setting the dip switches There are switches on the back of the top case Remote controller Main Sub and other function settings are performed using...

Page 107: ...b Set the address so that 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 10 1 Note1 The smallest address of indoor unit in same refrigerant system 50 Assign sequential address numbers to the heat source units in one refrigerant circuit system OC and OS are automatically detected N...

Page 108: ...m TB7 of one of heat source units is risking that the heat source unit failure may let down the whole central control system Activates the power supply to M NET transmission line from AE 200A AE 50A EW 50A CN21 ON power supplied OFF power not supplied 11 4 3 1 MA remote controller Single refrigerant system No System Controller 1 Heat source units OC and OS in one refrigerant circuit system are aut...

Page 109: ... R C 1 For Wireless R C and Signal receiver unit SRU channel 1 2 and 3 are selectable and should be set to same channel SC can be connected to TB3 side or TB7 side Should SC connected to TB7 side change Jumper from CN41 to CN40 at the Heat source unit module so as to supply power to the SC 201 SC 01 02 03 04 05 TB15 TB5 TB5 TB5 TB5 TB5 MA R C TB15 TB15 TB15 TB15 SRU Wireless R C 1 1 TB02 53 BC con...

Page 110: ...r consume the M NET power for transmission use The power balance is needed to consider for long M NET wiring Details refer to 11 3 System configuration restrictions 4 Indoor units should be set with a branch number 5 Assign an address to each of the sub BC controllers which equals the sum of the smallest address of the indoor units that are connected to each sub BC controller and 50 6 When a PAR C...

Page 111: ...h number 11 4 3 5 ME remote controller Single refrigerant system System controller Lossnay 2 Address should be set to Indoor units Lossnay system controller and ME remote controllers 3 For a system having more than 32 indoor unit confirm the need of Booster at 11 3 System configuration restrictions NOTE ME R C ME R C Indoor unit ME R C 104 105 155 01 04 05 TB5 TB5 TB5 ME R C 101 Group 1 Group 3 Gr...

Page 112: ...and EW 50A the power supply unit PAC SC51KUA is unused 01 02 03 30 TB5 BC controller Main 53 TB02 BC controller Sub 80 TB02 BC controller TB02 TB5 TB5 TB2 Transmission Booster PAC SF46EPA G TB5 TB3 ME R C ME R C Indoor unit ME R C 144 145 195 130 41 93 44 45 TB5 TB5 TB5 ME R C 141 ME R C 101 ME R C 102 Group 2 Group 1 Group 21 Group 31 Group 33 Group 34 TB3 TB7 TB7 TB7 TB7 TB7 TB3 52 51 OC OS TB3 ...

Page 113: ...roup 3 Group 4 Group 2 ME R C 01 02 03 04 05 101 105 09 10 08 07 06 110 107 ME R C ME R C ME R C BC controller 53 TB02 BC controller 57 TB02 TB7 TB3 56 CN41 CN40 OFF DipSW5 1 TB3 TB7 TB7 TB3 52 51 CN41 CN40 CN41 CN40 OFF DipSW5 1 OFF DipSW5 1 OC OC OS SC 201 11 4 3 9 ME remote controller Multi refrigerant system System Controller at TB7 side No Power supply unit Group 1 Group 3 Group 4 Group 2 ME ...

Page 114: ...N40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 ON DipSW5 1 ON DipSW5 1 ON DipSW5 1 ON DipSW5 1 ON DipSW5 1 Indoor unit ME R C ME R C ME R C 01 02 03 30 TB5 TB5 TB5 TB2 Transmission Booster PAC SF46EPA G TB5 ME R C 101 102 130 180 TB3 Group 2 Group 1 Group 21 TB3 TB7 TB7 TB7 TB7 TB7 TB3 52 51 OC OS TB3 TB3 92 91 OC OS TB3 96 OC CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 ON DipSW5 1 ON DipSW5 1 ...

Page 115: ...51 OC OS TB3 51 OC CN41 CN40 CN41 CN40 CN41 CN40 OFF DipSW5 1 OFF DipSW5 1 OFF DipSW5 1 Indoor unit ME R C ME R C 01 02 03 30 TB5 BC controller Main 53 TB02 BC controller Sub 80 BC controller Sub 94 TB02 TB02 BC controller Main 93 TB02 TB5 TB5 TB2 Transmission Booster PAC SF46EPA G TB5 ME R C 101 102 130 TB3 Group 2 Group 1 Group 21 TB3 TB7 TB7 TB7 TB7 TB7 TB3 52 51 OC OS TB3 TB3 92 91 OC OS TB3 9...

Page 116: ...E R C 01 02 03 30 TB5 TB5 TB5 TB2 Transmission Booster PAC SF46EPA G TB5 ME R C 101 102 130 180 TB3 Group 2 Group 1 Group 21 TB3 TB3 TB7 TB7 TB7 TB7 TB7 TB3 52 51 OC OS TB3 92 91 OC OS TB3 96 OC CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 ON DipSW5 1 ON DipSW5 1 ON DipSW5 1 ON DipSW5 1 ON DipSW5 1 ME R C ME R C Indoor unit ME R C ME R C 142 144 145 195 41 42 43 44 45 TB5 TB5 TB5 TB5 TB5 Grou...

Page 117: ... Z S LMU A1 115 12 PIPING DESIGN WR2 Series 575V 12 PIPING DESIGN Section 12 2 Explains the piping design including piping length limitation and piping size selection rule 0000006382 BOOK 115 ページ ２０２１年７月１９日 月曜日 午後４時１４分 ...

Page 118: ...arding the branch joint between Main BC and Sub BC on the high pressure low pressure liquid piping A and B must be installed horizontally and C must be installed upward higher than the horizontal plane of A and B 2 Branches on the outdoor heat source unit side Inclination of the twinning pipes The inclination of the twinning pipes must be 15 or less against the horizontal plane Excessive inclinati...

Page 119: ... capacity P24 P06 P30 Note9 To connect the BC controller to the main pipe use the reducer CMY R301S G CMY R302S G1 or CMY R304S G1 Note10 Install the pipes correctly referring to the section titled Procedures for installing the branched pipes HU Heat source Unit IU Indoor Unit BC BC controller 1 Refer to the section 12 2 4 2 Details refer to Fig 1 3 When the P72 or P96 model of indoor units are co...

Page 120: ...3 Total Indoor capacity P24 P06 P30 Note10 To connect the BC controller to the main pipe use the reducer CMY R301S G CMY R302S G1 or CMY R304S G1 Note11 To connect the sub BC controller to the main BC controller use the reducer CMY R303S G1 CMY R305S G1 or CMY R306S G Note12 Install the pipes correctly referring to the section titled Procedures for installing the branched pipes Note13 Up to 11 sub...

Page 121: ...MY R201S G 9 When the piping length or the vertical separation exceeds the limit specified in Fig 2 connect a sub BC to the system The restriction for a system with a sub BC connection is shown in Fig 3 When a given system configuration falls within the shaded area in Fig 3 increase the size of the high pressure pipe and the liquid pipe between the main BC and sub BC by one size The maximum liquid...

Page 122: ... CMY R303S G1 CMY R305S G1 or CMY R306S G Note12 Install the pipes correctly referring to the section titled Procedures for installing the branched pipes Note13 Up to 11 sub BC controllers can be connected HU Heat source unit IU Indoor unit HU Heat source Unit IU Indoor Unit BC BC controller 1 Refer to the section 12 2 4 2 Details refer to Fig 2 3 When the P72 or P96 model of indoor units are conn...

Page 123: ...S G Piping length and height between IU and BC controller Fig 2 Fig 3 9 When the piping length or the vertical separation exceeds the limit specified in Fig 2 connect a sub BC to the system The restriction for a system with a sub BC connection is shown in Fig 3 When a given system configuration falls within the shaded area in Fig 3 increase the size of the high pressure pipe and the liquid pipe be...

Page 124: ...0 10 20 30 40 50 60 70 80 90 100 110 Distance between heat source unit and BC controller m Total extended pipe length m 200 300 400 500 600 700 800 900 1000 10 20 30 40 50 60 70 80 90 100 110 Distance between heat source unit and BC controller m Total extended pipe length m 500 1000 1500 2000 30 90 150 210 270 330 Distance between heat source unit and BC controller ft Total extended pipe length ft...

Page 125: ...t is 30 5 m 100 ft or shorter Amount of additional charge kg High pressure pipe ø28 58 total length 0 36 kg m High pressure pipe ø22 2 total length 0 23 kg m High pressure pipe ø19 05 total length 0 16 kg m High puressure pipe ø15 88 total length 0 11 kg m Liquid pipe ø19 05 total length 0 29 kg m Liquid pipe ø9 52 total length 0 06 kg m Liquid pipe ø6 35 total length 0 024 kg m Liquid pipe ø15 88...

Page 126: ... 307 283 308 to 342 318 343 to 411 353 412 to 450 424 451 or above 494 Main or Sub BC controller Amount oz unit J type 53 JA type 106 KA type 166 KB type 15 Liquid pipe ø19 05 total length 0 26 kg m Liquid pipe ø3 4 total length 3 13 oz ft BC controller Amount kg unit G1 GA1 type 3 0 HA1 type 5 0 GB1 HB1 type 1 0 When connecting the CMB P NU G1 CMB P NU GA1 CMB P NU HA1 CMB P NU GB1 or CMB P NU HB...

Page 127: ...ength 2 81 oz ft When connecting PEFY P06NMAU E PEFY P24NMAU E or PEFY P36NMAU E add 0 55 kg 20 oz of refrigerant per indoor unit When connecting PLFY EP06NEMU E PLFY EP18NEMU E or PLFY EP36NEMU E add 0 67 kg 24 oz of refrigerant per indoor unit When connecting PLFY P08NBMU E2 add 0 3kg 11oz of refrigerant per indoor unit When connecting PLFY EP08NEMU E add 0 3kg 11oz of refrigerant per indoor uni...

Page 128: ...f refrigerant exceeds the value in the below table please redesign the system Limitation of the amount of refrigerant to be charged Total index of the heat source units P72 P96 P120 P144 P168 P192 P168 ZLMU ZLMU ZLMU ZLMU ZLMU ZLMU ZSLMU Maximum refrigerant charge Factory charged 11 lbs 1 oz 11 lbs 1 oz 11 lbs 1 oz 13 lbs 4 oz 13 lbs 4 oz 13 lbs 4 oz 22 lbs 1 oz Charged on site 61 lbs 12 oz 66 lbs...

Page 129: ...1 type GB1 HB1 type GB1 HB1 type Compatible JA1 KA1 type KB1 type GB1 HB1 type Not compatible JA1 KA1 type GB1 HB1 type GB HB type Compatible JA1 KA1 type GB HB type GB HB type Compatible JA1 KA1 type KB1 type GB HB type Not compatible JA1 KA1 type GB1 HB1 type Compatible JA1 KA1 type GB HB type Compatible GA1 HA1 type KB1 type KB1 type Compatible GA1 HA1 type KB1 type GB1 HB1 type Not compatible ...

Page 130: ...rticularly in heating mode 6 Provide enough space for installation and service as shown in section 13 2 Spacing 7 Avoid sites where acidic solutions or chemical sprays such as sulfur sprays are used frequently 8 The unit should be provided from combustible gas oil steam chemical gas like acidic solution sulfur gas and so on 13 2 Spacing In case of single installation 600mm or more of back space as...

Page 131: ...upply tank is installed keep contact with air to a minimum and keep the level of dissolved oxygen in the water no higher than 1mg Water quality standard Please consult with a water quality control specialist about water quality control methods and water quality calculations before using anti corrosive solutions for water quality management When replacing a previously installed air conditioning dev...

Page 132: ...130 MEES21K047 WR2 Series 575V 0000006382 BOOK 130 ページ ２０２１年７月１９日 月曜日 午後４時１４分 ...

Page 133: ... Installation information 1 Installation information 2 1 1 General precautions 2 1 2 Precautions for Indoor unit and BC controller 4 1 3 Precautions for outdoor unit heat source unit 5 1 4 Precautions for control related items 6 0000006133 BOOK 1 ページ ２０２１年２月１０日 水曜日 午前１０時２７分 ...

Page 134: ...nit characteristics The heat pump efficiency of the outdoor unit depends on the outdoor temperature In heating mode performance drops as the outside air temperature drops In cold climates performance can be poor Warm air will continue to be trapped near the ceiling and the floor level will remain cold In such cases heat pumps require a supplemental heating system or air circulator Before purchasin...

Page 135: ... may trip almost at the same time Separate the power system or coordinate all the breakers depending on the system s priority level 1 1 6 Unit installation Your local distributor or a qualified technician must read the Installation Manual that is provided with each unit carefully before performing installation work Consult your local distributor or a qualified technician when installing the unit I...

Page 136: ...g load is large such as computer rooms Be sure to use a regular filter If an irregular filter is installed the unit may not operate properly and operating noise may increase The room temperature may increase above the preset temperature in environments in which the heating or air conditioning load is small 1 2 3 Unit installation The insulation for the low pressure pipe between the BC controller a...

Page 137: ...utside air to ensure that the oxygen dissolved in the water is 1 mg L or less Install a strainer 50 mesh or more recommended on the water pipe inlet on the heat source unit Interlock the heat source unit and water circuit pump Note the following to prevent the freezing and bursting of pipes when the heat source unit is installed in an area where the ambient temperature can be 0ºC 32ºF or below Kee...

Page 138: ...ion should never be used in a way that would put people s lives at risk Employ any methods or circuits that allow ON OFF operation using an external switch in case of failure 1 4 2 Installation environment Surge protection may be required for the transmission line in areas where lightning strikes occur frequently The receiver for a wireless remote controller may not work properly due to the effect...

Page 139: ...ON FOR REFRIGERANT LEAKAGE MEES16K100 I CAUTION FOR REFRIGERANT LEAKAGE 1 Caution for refrigerant leakage Ub 1 2 1 1 Refrigerant property Ub 1 2 1 2 Confirm the Critical concentration and take countermeasure Ub 1 2 ...

Page 140: ...r unit Opening Sensor for refrigerant leakage Oxygen sensor or refrigerant sensor At 0 3m height from the floor Fresh air supply fan Indoor space Floor Fig 1 4 Fresh air supply and refrigerant shut off upon sensor action Note 1 Countermeasure 3 should be done in a proper way in which the fresh air supply shall be on whenever the leakage happens Note 2 In principle MITSUBISHI ELECTRIC requires prop...

Page 141: ... Doing so may cause 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 green...

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