What to do Before Operation Si71-502
76 Operation Manual
2.3 Explanation for Systems
This unit can be made a part of two different systems: as part of the combined operation system
used together with VRVII SYSTEM Air Conditioners or Sky-air series and as the independent
system using only the HRV. An operating remote controller is required when using the unit as an
independent system.
Ask your dealer what kind of system your system is set up for before operation.
For the operation of the remote controller for indoor unit and centralized controller, refer to the
instruction manual provided with each unit.
See the included operating manuals for details on how to operate each remote control.
OPERATION for EACH SYSTEM
Sample system
Independent system
[Operation]
The HRV unit can be started and stopped using the remote controller.
You can also select the ventilation amount and the ventilation mode.
Sample system
Combined operation system with VRV systems and Sky-air series
[Operation]
The air conditioner remote controller starts and stops the air conditioner and the HRV unit.
You can also select the ventilation amount and the ventilation mode.
During intermediate periods when only the HRV unit is used without the air conditioner, select “ventilation”
with the operation selection button.
[Operation method]
The ON/OFF and timer operation can be performed using the HRV remote controllers.
(The indication of centralized control “” appears on the display.)
Other operations can be performed using the HRV remote controllers.
• Independent system
HRV unit
Remote controller for
HRV unit (BRC301B61)
fig 2
Indoor unit
HRV unit
• Combined operation system with VRV systems and Sky-air series
Remote controller
for indoor unit
fig 2
Indoor unit
HRV unit
Remote controller
for HRV unit (BRC301B61)
Remote controller
for indoor unit
fig 2
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