Hrv-Related; Group Interlock Control - Daikin VRV Service Manual

Si30-408

7. HRV-Related

7.1

Group Interlock Control

7.1.1 Single-group Interlocked Operation (Basic Pattern)
Purposes and
Functions
Note: 1. The remote controller should be connected to the terminal no. P1 and P2, the same as the
2. Since this is two remote controller system (for Indoor unit and HRV unit), the Master / Slave
Example of
Control Wiring
Switch Setting for
HRV Unit
Optional
Accessories
Required
Appendix
The remote controller for indoor unit can control the interlocked operation with the HRV unit,
and it can make an initial setting of the ventilation flow rate, the ventilation mode changeover
and fresh-up operation. The HRV unit can independently be operated, even if the indoor unit
is not in operation.
group control wiring of indoor units.
setting is required.
Remote controller for
Indoor unit
HRV unit
P1 P2
P1 P2
No change is required. (as per factory setting)
None
Setting
Slave
Master
F1 F2
X9A
X10A
P1 P2
Indoor unit
P1 P2
Up to 500 m maximum
J1 J2 JC F1 F2
X11A
SS1
HRV unit
Remote controller
for HRV unit
(HC0025)
HRV-Related
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