Capacity Range; Connection Ratio; Outdoor Unit Combinations - Daikin VRV RXYQ72-384XAYCA Service Manual

Capacity Range

4. Capacity Range
4.1

Connection Ratio

outdoor units
outdoor units
outdoor units
Notes:
4.2

Outdoor Unit Combinations

Capacity range (ton)
RXYQ
Max. number of
connectable indoor units
Total capacity index of
indoor units to be
connected 1
Capacity range (ton)
RXYQ
Max. number of
connectable indoor units
Total capacity index of
indoor units to be
connected 1
Notes: 1. Values inside brackets are based on connection of indoor units rated at maximum capacity, 200% for
single outdoor units, 160% for double outdoor units and 130% for triple outdoor units.
17
Total capacity index of the indoor units
Connection ratio =
Capacity index of the outdoor units
Min.
Type combination
ratio
Single
Double
50% 1
Triple
RXYQ72XA, RXYQ72XB: 70%
1.
If the operational capacity of indoor units is more than 130%, low airflow
2.
operation is enforced in all the indoor units. This limitation can be deactivated
through field setting. Refer to page 188 for detail.
3. When outdoor-air processing units (FXMQ-MF) and standard indoor units are
connected, the total connection capacity of the outdoor-air processing units
(FXMQ-MF) must not exceed 30% of the capacity index of the outdoor units. And
the connection ratio must not exceed 100%.
4. Regarding the combinations related to the low-temperature hydrobox (HXY-TA),
refer to the service manual SiUS392016EA. Low-temperature hydrobox can only
be connected to single module outdoor units.
6 8
72XA 96XA
72XB 96XB
12 16
51-93 48-124
(144) (192)
20 22
240XA 264XA
240XB 264XB
41 45
120-312 132-343
(384) (422)
Max. combination ratio
Types of connected indoor units
When using at
When using only
least one
FXFQ12-54AA,
FXFQ07/09AA,
FXDQ-M,
FXFQ07/09T,
FXSQ07-54TA,
FXZQ05TA,
FXSQ07-54TB,
FXZQ05TB,
FXMQ-PB,
FXSQ05TA,
FXAQ-P
FXSQ05TB
180% 2
200% 2 160% 2
130% 2
10 12
120XA 144XA
120XB 144XB
20 25
60-156 72-187
(240) (288)
24 26
288XA 312XA
288XB 312XB
49 54
144-374 156-405
(460) (499)
SiUS342004EB
Type of connected
air treatment equipment
FXMQ-MF
When using
When
other indoor
FXMQ-MF
unit models
is only
connected
200% 2
160% 2 100%
130%
14 16
168XA 192XA
168XB 192XB
29 33
84-218 96-249
(336) (307)
28 30
336XA 360XA
336XB 360XB
58 62
168-436 180-468
(537) (468)
Part 1 General Information
When
FXMQ-MF
and indoor
units are
connected
100% 3
18
216XA
216XB
37
108-280
(345)
32
384XA
384XB
64
192-499
(499)