3
1
15
• Ventilation • Heat reclaim ventilation
67
• Heat reclaim ventilation • VAM-FA/FB
15
Control systems
15 - 3 Basic patterns
Function
Nos. of the unit controlled and length of wiring
Cautions
page
BRC301B61
• ON / OFF
• Ventilation mode (Auto / Heat Exchange / Bypass)
• Ventilating rate (High / Low)
• Fresh up mode (On / Off)
• One remote control operates each HRV unit.
• Remote control wiring can be extended up to 500 m
maximum.
• The wire for remote control is not included as standard
accessories and should be arranged locally.
• By connecting the adapter PCB, the operation signal
can be taken out remotely.
• “Fresh-up operation” is possible by external input.
• The group control is not possible by the remote control
for HRV unit.
70
BRC301B61
• ON / OFF
• Ventilation mode (Auto / Heat Exchange / Bypass)
• Ventilating rate (High / Low)
• Fresh up mode (On / Off)
• Timer setting (On / Off)
• Indication of filter cleaning signal
• Digital indication of malfunction
• Control of one HRV with two remote controls
• The maximum allowable total length of remote control
wiring is 500 m.
• Same as operation from local place.
• It is necessary to set the Master / Slave changeover
switch in the remote controller.
• Two remote control operation is not available with
simple remote control.
71
• Up to 16 HRV units can be controlled with one liquid
crystal remote control.
• The maximum total length of remote control wiring is
500 m.
• Control with two remote control is available.
• Same as operation from local place.
• Group control is not available with a simple remote
control.
• All the settings of HRVs in the same group are the
same (However, it is possible to fix the individual
setting by each unit)
71
• The HRV unit operates whenever the indoor unit is in
operation.
• Precool / preheat operation is also possible.
• Various settings are available by adding the HRV
remote controllers.
• A maiximum of 16 units of indoor unit and HRV unit
can be controlled by the remote controller for indoor
unit. (If they are in the same group)
• Remote control wiring can be extended up to 500 m
maximum.
72
• A maximum of 16 units of indoor unit and HRV unit can
be controlled the operation by the remote control for
indoor unit.
• Remote control wiring can be extended up to 500 m
maximum.
• Make sure to set “ON” for direct ducting setting.
• The HRV cannot be operated independently to
prevent the dust, when the indoor unit is not in
operation. However, if the fan of indoor unit is in
operation, the HRV unit can be operated
independently.
72
(HC0019)
