System B: Multi - Daikin ERQ Series Service Manual

Different Systems with their Control Boxes
Allowable lengths and heights
System A:
Allowable height:
AHU
EXV-kit
outdoor
ERQ
3 phase
1.2

System B: MULTI

Only for combining VRV + AHU + indoors. No ERQ!
System B = MULTI (suction control) : VRV + EXV-Kit
Multi application with VRV means the ability to combine 1 outdoor unit + several AHU, as well
as VRV indoors (minimum 1 is required). The required control box for this application is
EKEQM.
Also EKEQFCBA can be combined with VRV but in that case, maximum 3 AHU's can be
combined with the VRV, and no indoors.
52
EXV-kit
Control Box
ERQ
(D or F - type)
DDC
5 m
A
125
200 length: 5 < A
250
VRV
EKEQMCB
H/P
EKEXV-KIT
EKEQMCB
EKEXV-KIT
VRV indoor 1
VRV indoor n
AHU
Total system:
30 m
(outdoor unit can be above
or below the AHU)
Piping
B
50 m length: 5 m
AHU
Field supply
AHU
Qty of
EKEXV - kits
is limited by
connection
ratio.
Communication
C D E
100 m 20 m 20 m
Control Box EKEQ - CBV3
ESiEN09-06 A
F
depend on
DDC