Indoor Capacity Range; Scope Of The Manual; Accessories; Accessories Supplied With This Unit - Daikin VRV IV Manuel D'installation

1 .3 . Indoor capacity range

1 .3 . 1 . Connection Ratio
Connection Ratio = Total capacity index of the indoor units / Capac-
ity index of the outdoor units
Min. connection ratio
Type Types of connected outdoor units
RXYQ-T type
Single outdoor unit
Double outdoor units 50% (*1)
Triple outdoor units
*1. 70% : RXYQ72T type
Max. connection ratio
Types of connected indoor units
When using When using
Type
only FXDQ, at least one
FXMQ-PB, FXZQ05 TA,
FXAQ, FXSQ05 TA,
FXSQ07-54 TA FXFQ07/09
Single out-
180% *1
door unit
Double
outdoor 200% *1 160% *1
units
Triple out-
130% *1
door units
Notes: *1. If the operational capacity of indoor units is more than
130%, low airflow operation is enforced in all the indoor
units.
*2. 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%.
1 .3 .2 . Outdoor Unit Combinations
Total capacity of indoor units needs to be within the specified range.
Capacity Range 6 ton 8 ton 10 ton
RXYQ 72TAYCU 96TAYCU 120TAYCU 144TAYCU 168TAYCU 192TAYCU 216TAYCU
Max. Number
of Connectable 12 16 20
Indoor Units
Capacity Range 20 ton 22 ton 24 ton
RXYQ 240TAYCU 264TAYCU 288TAYCU 312TAYCU 336TAYCU 360TAYCU 384TAYCU
Max. Number
of Connectable 41 45 49
Indoor Units
Note: Values inside brackets are based on connection of indoor units
rated at maximum capacity, 200% for single outdoor units, and
160% for double outdoor units.
3
Types of connected air treatment
FXMQ-MF
When using
When When
other indoor
FXMQ-MF FXMQ-MF and
unit models
is only indoor units are
connected connected
200% *1
160% *1 100% 100% *2
130% *1
12 ton 14 ton 16 ton 18 ton
25 29 33 37
26 ton 28 ton 30 ton 32 ton
54 58 62 64

1 .4 . Scope of the manual

This manual describes the procedures for handling, installing and
connecting the VRV IV outdoor units. This manual has been prepared
to ensure adequate maintenance of the unit, and it will provide help in
case problems occur.
INFORMATION
The installation of the indoor unit(s) is described in the indoor unit
installation manual provided with the indoor unit(s).

2 . Accessories

2 . 1 . Accessories supplied with this unit

Confirm the following accessories are included. The storage location
of the accessories is shown in the figure below.
Accessories assy (piping)
NOTE
Do not throw away any of the accessories until installation is complete.
They are needed for installation work.
Name Clamp (1) Clamp (2) Clamp (3)
Quantity 7 pcs. 1 pc. 1 pc.
Shape
(Small) (Large)
Liquid side Liquid side
Name accessory accessory
pipe (1) pipe (2)
Quantity 1 pc. 1 pc.
Shape
72-144T
L type
Name
accessory joint
Quantity 1 pc.
Shape
Accessories assy (operation
and installation manual)
Vinyl tube Manuals, etc.
5 pcs. 1 pc. each
• Operation Manual
• Installation Manual
• REQUEST FOR THE
INDICATION label
(Installation records)
Gas side Gas side
accessory accessory
pipe (1) pipe (2)
1 pc. 1 pc.
168T 72,120T 96T 144,168T 72T 120T 96,144,168T
English