Daikin RXQ10PAY1 [6/36] An increased number of connectable indoor units

Daikin RXYQ14PAYL [6/36] An increased number of connectable indoor units

Main Features

Large capacities for large-sized buildings Large capacities for large-sized buildings

Conditions of indoor unit connection capacity

109

Piping length is drastically extended! The long piping length provides more design flexibility, which can match

even large-sized buildings.

Extended long piping length

The number of connectable indoor units has been drastically increased from 40 to 64!

An increased number of connectable indoor units

Connection capacity at maximum is 200%.

Connection ratio

40

64

Increased indoor unit connections

indoor

units

VRVII

MA series

VRVII MA series

indoor

units

Refer to page 26 for the maximum number of connectable indoor units.

Maximum number of connectable indoor units

Up to

Up to

150 m

165 m

175 m

190 m

510 m

1000 m

Max. equivalent piping length

Max. actual piping length

50 m

40 m

VRVII MA series

VRVII MA series

VRVII MA series

Note:

* For the FXFQ25 models, maximum connection ratio is 130% for the entire range of outdoor units.

If the operational capacity of indoor units is more than 130%, low airflow operation is enforced

in all the indoor units.

50%–200%

Connection ratio

Single outdoor units

Double outdoor units

Triple outdoor units

FXDQ, FXMQ-P, FXAQ models

Applicable indoor units

200%

Other indoor

unit models*

200%

160%

130%

p

q

k

First outdoor branch

f

a

b

First

indoor branch

Multiple use

*The rest of indoor units are

the same as for single use.

a

i

s

r

h

g

f

e

d

c

b

First indoor branch

Single use

Colours in the diagram above are merely for identifying pipes referenced with symbols such as a .

Max. total piping length

Max. level difference

between the outdoor units

and the indoor units

Outdoor unit

above indoor unit:

Outdoor unit above indoor unit:

2. Level differences above 50 m

are available on request.

Outdoor unit below indoor unit:

Outdoor unit above indoor unit:

Outdoor unit below indoor unit:

Outdoor unit

below indoor unit:

Connection ratio =

Total capacity index of the indoor units

Capacity index of the outdoor units

1. No special requirements up to 40 m. The maximum actual piping length can be 90 m, depending on conditions. Various conditions and

requirements have to be met to allow utilisation of 90 m piping length. Be sure to refer to the Engineering Data Book for details of these

conditions and requirements.

2. Level differences above 50 m are not supported by default but are available on request for RX(Y)Q8P(A)-54P(A) (If the outdoor unit is

above the indoor unit).

Maximum

allowable

level difference

Maximum

allowable

piping length

Between the outdoor units

and the indoor units

Between the indoor units

Between the outdoor units (Multiple use)

Between the first indoor branch and the farthest indoor unit

Between the outdoor branch and the last outdoor unit

Total piping length

Refrigerant piping length

15 m

90 m

5 m

90 m

—

—

q

s

r

r

a+b+c+d+e+f+g+h+i

a+f+g+h+i

f+g+h+i

k+p

165 m 190 m

1000 m

90 m*

*

1

10 m 13 m

Actual

piping length

Equivalent

piping length

Example

Level

Difference

Example

RX(Y)Q8P(A)-54P(A)

—

50 m

r

RX(Y)Q5P(A)

RX(Y)Q8P(A)-54P(A)

Outdoor Units

2 Available on request

If the outdoor unit is above.

If the outdoor unit is below.

If the outdoor unit is above.

If the outdoor unit is below.

40 m

r

90

m

2

RX(Y)Q8P(A)-54P(A)

90

m

40

m

50

m

RX(Y)Q5P(A)

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