System B: Multi - Daikin ERQ Service Manual

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

System B: MULTI

Only for combining VRV + AHU + indoors. No ERQ!
System B = MULTI (suction control) : VRV + EXV-Kit
VRV
H/P
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.
46
EXV-kit
Control Box
ERQ
(D or F - type)
DDC
≤
5 m
A
100
≤
125 length: 5 < A
140
EKEQMCB
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 C
≤ ≤
50 m length: 5 m 100 m
AHU
Field supply
AHU
Qty of
EKEXV - kits
is limited by
connection
ratio.
: http://splitoff.ru/tehn-doc.html
ESIE09-05
Communication
D E F
depend on
≤ ≤
20 m 20 m
DDC
Control Box