Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual page 99

RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
Connection ratio requirements. When selecting indoor units, the connection ratio
must comply with the following requirements. For more information, see the
technical engineering data.
Other combinations than those mentioned in the table are not allowed.
Indoor units Total CR
VRV DX 50~130%
VRV DX + 80~130%
RA DX
RA DX 80~130%
VRV DX + LT 50~130%
Hydrobox
VRV DX + 50~110%
AHU
AHU 90~110%
(a)
Total CR = Total indoor unit capacity connection ratio
(b)
CR per type = Allowable capacity connection ratio per indoor unit type
(a)
VRV DX RA DX
50~130%
0~130% 0~130%
— 80~130%
50~130%
50~110%
—
17 Piping installation
|
(b)
CR per type
LT Hydrobox
— —
—
—
— 0~80%
— —
— —
Installer and user reference guide
AHU
—
—
—
—
0~60%
90~110%
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