Si30-408 HRV-Related
Appendix 241
7.4.5 Remote Control Operation by Input from Outside
Purposes and
Functions
The HRV unit can be controlled the operation of "On / Off" remotely by the signal from no-
voltage normally open contact.
Cautions: 1. When the system is under group control, the input from outside controls the operation of "ON
/ OFF" collectively, if it is installed in the one of the unit.
Example of
Control Wiring
Switch Setting of
HRV Unit
No change is required.
Optional
Accessories
Required
None
X9A
X10A
X11A
J1 J2 F1 F2
P1P2
P1P2
JC
SS1
Connecting line can be extended up to 50 m.
HRV unit
(Terminal for local connection
No-voltage normally open
contact for micro-current)
(16 V, 10 mA)
Remote controller for HRV unit
(HC0034)
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