Operation manual
2
250FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P586308-1 — 2019.06
N
AMES
OF
PARTS
Refer to
O
PERATION
Explanation for systems
This product is operated differently depending on the system
configuration.
For the operation of the remote controller for indoor unit and
centralized controller, refer to the instruction manual provided with
each unit.
Operation for each system
Independent system
Operation method
The remote controller turns on and off HRV unit. (Refer to the section
"About the controller" on page 3
)
Combined operation system with VRV systems
and Sky-air series
Operation method
The remote controller for VRV turns on and off the air conditioner and
HRV unit.
If only the HRV unit is used without operating the air conditioner, set
the unit in the "
" VENTILATION mode. (Refer to the section
"About the controller" on page 3
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.
Starting and stopping operations of the indoor unit and the HRV unit
can be performed using the indoor remote controllers.
(Refer to the section
"About the controller" on page 3
Centralized system
Operation method
When the HRV remote controllers is not connected, the Centralized
controller controls the operation of the HRV unit. (Refer to the section
"Independent operation of the HRV unit using the Centralized
controller (DCS302B61)" on page 5
)
When the HRV remote controllers is connected, operation can be
started and stopped using the centralized controller or the indoor and
the HRV remote controllers.
During the indication of centralized control "
" appears on
the display, the ON/OFF and timer operation may not be possible with
the HRV remote controllers.
Other operations can be performed using the HRV remote
controllers. (Refer to the next sections)
1
Ceiling hook
2
Duct connection flange
3
Exhaust fan
4
Air filter (Long life filter)
5
Damper
6
Switch box
7
Maintenance cover
8
Heat exchange elements
9
Name plate
10
Air supply fan
11
Remote controller (Option parts)
12
Damper motor
13
EA (Exhaust air) (Exhaust air to outdoor)
14
OA (Outdoor air) (Fresh air from outdoor)
15
Maintenance space for the air filters, the heat exchange elements
and Switch box
16
RA (Return air) (Exhaust air from room)
17
SA (Supply air) (Feed air to room)
Indoor unit
HRV unit
Remote controller
for indoor unit
Remote controller for HRV unit
(BRC301B61)
HRV unit
Indoor unit
HRV unit
Remote controller
for indoor unit
Remote controller for HRV unit
(BRC301B61)
Centralized controller
HRV unit
Remote controller for indoor unit
Remote controller
for HRV unit
(BRC301B61)
4PEN586308-1_2019_06.book Page 2 Wednesday, July 10, 2019 10:13 AM
