Central Control System - Daikin VAM350J VEB Series User Reference Manual

16 | System configuration

16.4 Central control system

Installer and user reference guide
66
▪ Up to 64 groups of units can be controlled.
▪ The controller control transmission line can be extended to up to 1000 m.
▪ A direct duct connection is NOT possible.
▪ Set ON for central zone link setting.
▪ Adapter PCB for remote control: KRP2A51 (One adapter PCB should be installed
in either the VAM or the air conditioner).
For configuration, see "17.3.4 Linked control with more than 2
Direct duct connection system
c
a
a Controller
b Heat reclaim ventilation unit (VAM)
c Air conditioner
▪ The VAM will operate ONLY when the air conditioner fan is on.
▪ Other specifications are the same as those of the standard system.
For configuration, see "17.3.5 Direct duct
All/individual control system
c
a a
c
a
a Controller
b Heat reclaim ventilation unit (VAM)
c Air conditioner
d Central controller
▪ Unified ON/OFF controller: DCS301B(A)51. Up to 16 groups can be controlled
(ON/OFF) by 1 controller and up to 4 controllers can be installed in 1 system.
▪ Schedule timer: DST301B(A)51. One schedule timer can control the weekly
schedule of up to 128 units.
▪ Adapter PCB for remote control: KRP2A51 (NOT possible to use together with
another central controller). 1 adapter PCB can control up to 64 groups
collectively.
▪ One of the controllers must be connected to an air conditioner. However, ONLY
KRP2A51 can be connected to a VAM.
For configuration, see "17.3.6 Central control
b
connection" [
b
d
b
system" [
4
groups" [ 76].
4
77].
4
78].
VAM350~2000J*VEB*
Heat reclaim ventilation unit
4P664012-1A – 2024.01