Direct Duct Connection - Daikin VAM-J8 Series Manual

17.3.5 Direct duct connection

VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664012-1 – 2021.08
▪ Up to 64 units, a combination of air conditioners and VAM units, can be
connected to the F1 and F2 terminals.
▪ KRP2A51 ONLY has ON/OFF control. If the VAM units run in automatic mode,
they have a fixed setpoint. If P1/P2 is NOT connected, the setpoint of the air
conditioner is unknown.
▪ Use the air conditioner's controller to configure the initial settings.
VRV
F1 F2 P1
P2
b
VAM 1
F1 F2
VAM 2
F1 F2
X35A
c
a Controller for air conditioner
b Maximum length of connection line: 1000 m
c Adapter PCB for remote control (KRP2A51)
VRV VRV indoor unit
VAM 1 VAM heat reclaim ventilation unit 1
VAM 2 VAM heat reclaim ventilation unit 2
Activate setting 17-8-02 to set the central zone link to ON. No further settings are
required.
NOTICE
Direct duct connection is NOT allowed with EKVDX indoor units.
The line connections are the same as for the 1-group linked-control system.
VRV
P1
P2
a Controller for air conditioner
b Controller for air conditioner
c Maximum length of connection line: 500 m
VRV VRV indoor unit
VAM VAM heat reclaim ventilation unit
Initial settings
Activate below setting for direct duct connection. This direct duct configuration
ONLY works if P1/P2 is connected.
P1 P2
a
VAM
P1 P2
c
P1P2 P1 P2
a
b
17 Configuration
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Installer and user reference guide
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