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RXYSQ6TAV1B
VRV IV-S System air conditioner
4P482260-1 – 2017.03

Installation manual

13

9.8.

Example of connection for VRV indoor units

Example of connection

(Connection of 8 indoor units Heat pump system)

Branc

h with refnet joint

Branc

h with refnet joint and refnet header

Branc

h with refnet header

Maxim

um 

allo

wab

le 

length

Betw

een outdoor and 

indoor units

Actual pipe length

Pipe length betw

een outdoor and indoor units 

150 m

[Example] unit 8:

 a+b+c+d+e+f+g+p

150 m

[Example] unit 6:

 a+b+h

150 m, unit 8:

 a+i+k

150 m

[Example] unit 8:

 a+i

150 m

Equiv

alent length

Equiv

alent pipe length betw

een outdoor and indoor units 

175 m (Assume equiv

alent pipe length of refnet joint to be 0.5 m and of the refnet header to be 1.0 m.

 (f

or calculation pur

pose

s))

T

otal e

xtension 

length

T

otal piping length from outdoor unit to all indoor units betw

een 10 m and 300 m

Allo

wab

le 

height 

Betw

een outdoor and 

indoor units

Diff

erence in 

height

Diff

erence in height betw

een outdoor and indoor units (H1)

50 m (

40 m if outdoor unit is located in a lo

w

er position).

Betw

een indoor and indoor 

units

Diff

erence in 

height

Diff

erence in height betw

een adjacent indoor units (H2)

15 m

Allo

wab

le length after the branc

h

Actual pipe length

Pipe length from first refr

iger

ant br

anch kit (either refnet joint or refnet header) to indoor unit 

40 m

[Example] unit 8:

 b+c+d+e+f+g+p

40 m

[Example] unit 6:

 b+h

40 m, unit 8:

 i+k

40 m

[Example] unit 8:

 i

40 m

Refrig

erant branc

h kit selection

Refr

iger

ant br

anch kits can only be used with R410A.

Use the f

ollo

wing refnet joint

Use the f

ollo

wing refnet header

Pipe siz

e selection

Caution on selecting connection pipes

If the o

v

er

all equiv

alent piping length is 

90 m, be sure to 

enlarge the pipe diameter of the gas-side main piping.

 If the 

recommended pipe siz

e is not a

v

ailab

le

, stic

k to the or

iginal 

pipe diameter (which ma

y result in a small capacity decrease).

[Gas side]

5:

 Ø15.9

Ø19.1

RXYSQ6:

 Ø19.1

Ø22.2

A.

 Piping between outdoor unit and refrigerant branc

h kit

Match to the siz

e of the connection piping on the outdoor unit.

Outdoor unit connection piping siz

e

 

B.

 Piping between refrig

erant branc

h kits

Use the pipe siz

e from the f

ollo

wing tab

le

.

C.

 Piping between refrig

erant branc

h kit and indoor unit

Pipe siz

e f

or direct connection to indoor unit must be the same as the 

connection siz

e of indoor unit.

Ho

w to calculate the ad

ditional refrig

erant to be c

har

g

e

d

Additional refr

iger

ant to be charged R (kg)

R should be rounded off in units of 0.1 kg

indoor unit

refnet joint

refnet header

ab

c

d

e

f

g

hi

j

k

l

m

n

12

34

56

7

8

H2

H1

p

AB

C

D

E

F

G

H1

H2

a

i

b

cd

e

f

g

h

123456

k

j

78

A

B

a

H1

H2

cd

e

f

g

hi

b

1234567

8

Outdoor unit capacity type

Refrig

erant branc

h kit name

RXYSQ4~6

KHRQ22M20T

Outdoor unit capacity type

Refrig

erant branc

h kit name

RXYSQ4~6

KHRQ22M29H

1

2

3

1

Main pipe (enlarge)

2

First refr

iger

ant br

anch kit

3

Indoor unit

Outdoor unit 

capacity type

Piping siz

e (outer diameter x minim

um 

thic

kness)

Gas pipe

Liquid pipe

5

Ø15.9x1.0 

(Ø19.1x1.0)

Ø9.5x0.8

RXYSQ6

Ø19.1x1.0 

(Ø22.2x1.0)

Piping siz

e (outer diameter x minim

um thic

kness)

Gas pipe

Liquid pipe

Ø15.9x1.0

Ø9.5x0.8

Indoor capacity 

inde

x

Piping siz

(outer diameter x minim

um thic

kness)

Gas pipe

Liquid pipe

20+25+32+40+50

Ø12.7x0.8

Ø6.4x0.8

63+80+100+125

Ø15.9x1.0

Ø9.5x0.8

R=

(

T

otal length (m) of liquid 

piping siz

e at Ø9.5

)

x0.054+

(

T

otal length (m) of liquid 

piping siz

e at Ø6.4

)

x0.022

Example f

or refrig

erant branc

h using refnet joint and refnet header

R=[73 x 0.054] + [69 x 0.022] = 5.46 

 5.5 kg

a:

 Ø9.5x30 m

d

: Ø9.5x13 m

g

: Ø6.4x10 m

j: Ø6.4x10 m

b:

 Ø9.5x10 m

e

: Ø6.4x10 m

h

: Ø6.4x20 m

k

: Ø6.4x9 m

c:

 Ø9.5x10 m

f:

 Ø6.4x10 m

i: Ø9.5x10 m

4PEN482260-1.book  Page 13  Monday, March 20, 2017  8:54 PM

Содержание RXYSQ-TAV

Страница 1: ...INSTALLATION MANUAL RXYSQ6TAV1B VRV IV S System air conditioner 4PEN482260 1 book Page 1 Monday March 20 2017 8 54 PM...

Страница 2: ...L1 H 0 L2 1 2 H 1 2 H L2 H L2 H L2 H L2 H L2 H L2 H L2 H 150 500 500 500 500 750 100 100 100 100 200 300 200 100 250 250 500 1000 1000 1000 500 500 500 500 1000 1000 1000 1000 500 500 1000 500 1000 1...

Страница 3: ...2 3 4 1 2 3 4 380 415 V V1 Y1 10 16 V 230 V 230 V 16 V 16 V 16 V 1 2 3 2 3 4 1 2 3 4 1 4 5 5 5 380 415 V V1 Y1 11 2 1 1 1 2 3 4 4 V1 1 50 Hz Y1 3N 50 Hz 1 50 Hz 1 8 11 9 8 10 4PEN482260 1 book Page 1...

Страница 4: ...B C 08 Nota tal como estabelecido em A e com o parecer positivo de B de acordo com o Certificado C 09 A B C 10 Bem rk som anf rt i A og positivt vurderet af B i henhold til Certifikat C 11 Information...

Страница 5: ...The English text is the original instruction Other languages are translations of the original instructions 1 SAFETY CONSIDERATIONS The precautions listed here are divided into the following two types...

Страница 6: ...tubes are not effective grounds Lightning conductor or telephone ground wire Electric potential may rise abnormally if struck by a lightning bolt Be sure to install an earth leakage breaker Failure to...

Страница 7: ...an optimum refrigerant branching kit refer to Refrigerant branch kit selection on page 11 2 5 Technical and electrical specifications Refer to the Engineering Data Book for the complete list of specif...

Страница 8: ...e satisfied and that meets with your customer s approval Places which are well ventilated Places where the unit does not bother next door neighbours Safe places which can withstand the unit s weight a...

Страница 9: ...evention of falling over If it is necessary to prevent the unit from falling over install as shown in the figure prepare all 4 wires as indicated in the drawing unscrew the top plate at the 4 location...

Страница 10: ...H A and L is shown in the table below NOTE If drain holes of the outdoor unit are covered by a mounting base or by floor surface raise the unit in order to provide a free space of more than 100 mm und...

Страница 11: ...reat caution is needed when passing copper tubes through walls For handling of stop valves refer to 9 3 How to use the stop valve on page 9 Only use the flare nuts included with the unit Using differe...

Страница 12: ...material field supply to stop up all gaps as shown in the figure Insects or small animals entering the outdoor unit may cause a short circuit in the electrical box Pipe size Tightening torque N m A m...

Страница 13: ...ul not to let the BP unit and outdoor branch piping come into contact with the compressor terminal cover If the liquid side piping insulation might come into contact with it adjust the height as shown...

Страница 14: ...al cover 3 For Sky Air or room air conditioner indoor units only BP unit and outdoor field piping 3 For VRV indoor units only Indoor and outdoor field piping 4 Corking etc 5 Insulation material field...

Страница 15: ...Difference in height Difference in height between outdoor and indoor units H1 30 m Between outdoor and BP units Difference in height Difference in height between outdoor and BP units H2 30 m Between...

Страница 16: ...c d e Total indoor capacity Q Gas pipe Liquid pipe Qc Qd Qe 5 0 kW 12 7x0 8 6 4x0 8 Qc Qd Qe 5 0 kW 15 9x1 0 9 5x0 8 NOTE Qc Qd Qe is total connected indoor capacity c d e indicates the symbols in th...

Страница 17: ...If the recommended pipe size is not available stick to the original pipe diameter which may result in a small capacity decrease Gas side RXYSQ4 5 15 9 19 1 RXYSQ6 19 1 22 2 A Piping between outdoor un...

Страница 18: ...tory charged with refrigerant and depending on pipe sizes and pipe lengths some systems require additional charging of refrigerant See How to calculate the additional refrigerant to be charged on page...

Страница 19: ...ollows 1 Turn on the power of the outdoor unit 2 Press at least 5 seconds 3 Press 51 times on 4 Press once 5 Press once 6 Press 2 times on The setting for changing from VRV applications to Sky Air or...

Страница 20: ...eration stops The operation automatically stops within 30 minutes If the refrigerant charge cannot be finished within 30 minutes repeat step 5 If the operation stops immediately after restart there is...

Страница 21: ...in switch has a contact separation of at least 3 mm in all poles Never squeeze bundled cables into a unit Fix cables so that cables do not make contact with the pipes especially on high pressure side...

Страница 22: ...urely clamp the cable as shown in figure 12 1 Power 2 Earth leakage breaker 3 Branch switch overcurrent breaker fuse 4 Ground 5 BP unit 1 Power 2 Earth leakage breaker 3 Branch switch overcurrent brea...

Страница 23: ...vent outside pressure being exerted on the terminal board Use an appropriate screwdriver for tightening the terminal screws A screwdriver with a small head will strip the head and make proper tighteni...

Страница 24: ...nd transmission wiring Use a designated power supply and transmission wiring and make sure that it has been carried out according to the instructions described in this manual according to the wiring d...

Страница 25: ...BS1 BS5 3 DIP switches 2 DS1 1 DS1 2 x OFF w ON c blinking For changing the set mode For field setting For field setting For test operation For resetting the address when the wiring is changed or whe...

Страница 26: ...ic judgement of piping length 4 After the test operation maximum 30 minutes the unit automatically stops Check the operation results by the outdoor unit led indication H1P H2P H3P H4P H5P H6P H7P OFF...

Страница 27: ...mmediately and then energize the heater for a sufficient length of time before restarting the operation Run each indoor unit one at a time and make sure the corresponding outdoor unit is also running...

Страница 28: ...y against leakage according to local regulations or standards The following standards may be applicable if local regulations are not available This unit like other air conditioning systems uses R410A...

Страница 29: ...tional legislation amount of refrigerant in a single unit system amount of refrigerant with which the system is charged before leaving the factory additional charging amount amount of refrigerant adde...

Страница 30: ...4PEN482260 1 book Page 1 Monday March 20 2017 8 54 PM...

Страница 31: ...E E E E E 12 A B C 2 2 3 2 4 7 2 9 3 2 3 5 6 1 4 8 3 2 4 3 2 1 6 8 9 7 2 V1 Y1 3 14 A1P A2P A4P X2M X2M F1 F1 F2 F2 TO IN D UNIT C H SELECTOR X2M A C B A4P TO OUT D UNIT F1 F1 F2 A C B F2 TO IN D UNIT...

Страница 32: ...4P482260 1 2017 03 Copyright 2017 Daikin 4PEN482260 1 book Page 1 Monday March 20 2017 8 54 PM...

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