Daikin RWEYQ30PY1 [16/342] Long refrigerant piping length

Daikin RWEYQ30PY1 [16/342] Long refrigerant piping length

Si30-813 Features

General Information 5

Long refrigerant piping length

Within the refrigerant piping system, a maximum of 120 m of actual piping length and 50 m of

level difference between the VRV-WIII and indoor units are possible. Water piping does not

enter occupied spaces, so there is no worry of water leaking.

p

q

k

First outside branch

a

i

s

r

h

g

f

f

e

d

c

b

First indoor branch

a

b

First

indoor branch

Maximum

allowable

level difference

Maximum

allowable

piping length

Between the outside units and the indoor units

Between the indoor units

Between the outside units (multiple use)

Between the first indoor branch and the farthest indoor unit

Between the first outside branch and the last outside unit

Total extension length

Refrigerant piping length

15 m or less

50 m or less*

2

2 m or less

—

—

—

—

—

q

s

r

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

a+f+g+h+i

f+g+h+i

k+p

120 m or less 140 m or less

300 m or less

90 m or less*

1

10 m or less 13 m or less

Actual

piping length

Equivalent

piping length

Example

*1 Maximum allowable piping length between the first indoor branch and the farthest indoor unit can be 90 m, or less depending on conditions.

*2 Max. 40 m if the outside unit is below.

• Refer to the Engineering Data for details of other requirements.

Multiple use

Single use

*The rest of indoor units are

the same as for single use.

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

Max. 120 m

Max. 140 m Max. 300 m

*2

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