Capacity Range; Combination Ratio - Daikin Aurora Series Service Manual

SiUS341802E

4. Capacity Range

4.1

Combination Ratio

RXLQ-TATJU, RXLQ-TAYDU, RXLQ-TAYCU
Double outdoor units
Notes: ∗1. If the operational capacity of indoor units is more than 130%, low airflow operation is
RXYQ-TAYCU
Double outdoor units
Notes: ∗1. RXYQ72TAYCU: 70%
General Information
Total capacity index of the indoor units

Combination ratio =

Capacity index of the outdoor units
Min.
Type combination
ratio
Single outdoor units
70%
enforced in all the indoor units. Refer to page 129 for detail.
∗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%.
∗3. It is permitted to use a maximum connection ratio of 130% in some circumstances – please
contact your local Daikin representative for further details.
Min.
Type combination
ratio
Single outdoor units
50% ∗1
Triple outdoor units
∗2. If the operational capacity of indoor units is more than 130%, low airflow operation is
enforced in all the indoor units. Refer to page 129 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. It is permitted to use a maximum connection ratio of 130% in some circumstances – please
contact your local Daikin representative for further details.
Max. combination ratio
Types of connected indoor units
When using When using at
only FXDQ-M, least one When using
FXSQ07-54TA, FXFQ07/09, other indoor
FXMQ-PB, FXZQ05TA, unit models
FXAQ-P FXSQ05TA
180% ∗1 200% ∗1
200% ∗1
160% ∗1 160% ∗1
Max. combination ratio
Types of connected indoor units
When using When using at
only FXDQ-M, least one When using
FXSQ07-54TA, FXFQ07/09, other indoor
FXMQ-PB, FXZQ05TA, unit models
FXAQ-P FXSQ05TA
180% ∗2 200% ∗2
200% ∗2 160% ∗2 160% ∗2
130% ∗2
Type of connected air treatment
equipments
FXMQ-MF
When FXMQ-MF
is only connected
100%
Type of connected air treatment
equipments
FXMQ-MF
When FXMQ-MF
is only connected
100%
130%

Capacity Range

When FXMQ-MF
and indoor units
are connected
100% ∗2 ∗3
When FXMQ-MF
and indoor units
are connected
100% ∗3 ∗4
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