Refrigerant Piping Limitations - Daikin VRV Reference Manual

Capacity Range & Operating Limits (cont.)

Refrigerant Piping Limitations

A
B
Liquid Line
Max (feet)
Vertical
A
Drop
Between
B
IDU
Vertical
C
Rise
From 1st
D
Joint (295)**
Linear
E
Length
Total
Network
* Setting adjustment on condensing unit required.
** Fan coil distance differentials need to be met
†
Possible refrigerant noise can be mitigated (via setting adjustments on ODU)
when linear length exceeds 390FT.
14
C
D
E
VRV-IV VRV-IV
Heat Heat
Pump Recovery
164 164
(295)* (295)*
100
100
(49)†
130 130
(295)* (195)*
130 130
(295)**
540 540
3280 3280
VRV-IV
VRV
W-Series
Aurora
Water
Series
Cooled
164
164
(295)*
100
49
(49)†
130
130
(195)*
130 130
(295)** (295)**
540 390
1640 980
VRV-IV S VRV-IV S
(36) (48-60)
98 98
33 49
98 98
130 130
164 230
820 984