Daikin RXYQ32PY1 [6/38] An increased number of connectable indoor units

Daikin RXYQ44PHY1 [6/38] 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
New
New
New
Connection capacity at maximum is 200%.
Combination ratio
40
64
Increased indoor unit connections
Standard system
indoor
units
VRVII
MA series
VRVII
MA series
indoor
units
Refer to page 39 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
Total
piping length
Level difference
between the outdoor units
and the indoor units
Max. actual piping
length
50 m
2
p
q
k
First outdoor branch
a
i
sr
h
g
f
f
e
d
c
b
First indoor branch
a
b
First
indoor branch
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 .
Notes:
* 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 capacity
Single outdoor units
Double outdoor units
Triple outdoor units
FXDQ, FXSQ, FXAQ models
Applicable indoor units
Other indoor
unit models*
200%
200%
160%
130%
1. No special requirements up to 40 m. The maximum actual piping length can be 90 m, or less 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 (the latest version of
the VRVIII Engineering Data) for details of these conditions and requirements.
2. 40 m or less if the outdoor unit is below.
3. Available on request if the difference in level is between 50 m and 90 m (if the outdoor unit is above).
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 extension length
Refrigerant piping length
15 m or less
90 m or less
5 m or less
90 m or less
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 or less 190 m or less
1000 m or less
90 m or less*
*
1
10 m or less 13 m or less
Actual
piping length
Equivalent
piping length
Example
Level
Difference
Example
RX(Y)Q5P-54P
50 m or less r
RX(Y)Q5P
RX(Y)Q8P-54P
Outdoor Units
3 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 or less r
90
m
3
(RX(Y)Q8P-54P)
50
m
2
(RX(Y)Q5P)

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