250FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P415946-1 – 2015.08
Installation manual
16
Procedure
1
Turn off the main switch of the HRV-1 and On/off controller.
2
Connect the air conditioner's remote controller.
3
Turn on the main switch of the HRV-1 and On/off controller.
4
Set the central control group number using the local setting on
the remote controller.
Mode No.: "00"
Central control group No.: "2-05"
5
Turn off the main switch of the HRV and On/off controller.
6
Disconnect the remote controller.
The setting is now complete.
For the ventilation air flow setting, follow the procedure described in
the section
.
Zone control system
■
A maximum of 64 air conditioners and HRV units can be
connected to the F1 and F2 terminals.
■
The HRV units will turn on and off in according with the zone
operation command from the centralized controller.
Zone 2
The HRV units operate in the zone-linked mode, as described in the
section,
"Linked control with more than two groups" on page 14
. For
the initial setting, follow the procedure described in that section.
■
It is necessary to assign a central control group number to each
HRV unit and air conditioner.
Regarding the setting of the group number, refer to the section on
"the centralized control group number setting" in the operating
instructions of the Centralized controller. Refer to the section
""All"/"individual" control" on page 15
for the setting procedure.
■
For the ventilation air flow setting, follow the procedure
described in the section
■
For the zone setting from the centralized controller, refer to the
operating instructions of the centralized controller.
■
The centralized controller can be used to control the individual
units in the zone for ventilation operation.
Remote control
Monitor of operation
The operation of the HRV can be monitored from the outside by the
connection of the adaptor PCB for remote control KRP50-2 (option).
Be sure to connect the terminal strip on the adaptor PCB for remote
control KRP50-2 (option).
P1
P2
P1 P2
P1 P2
HRV 1
1
2
1
Remote controller for air
conditioner
2
Remote controller for HRV
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
P1 P2
P1
P2
P1 P2
P1
P2
HRV 1
HRV 2
HRV 3
VRV
1
2
5
3
4
3
1
Zone 1
4
Connecting line can be extended
up to 1000 m maximum
2
Zone 2
5
Centralized controller
(DCS302B61
3
Remote controller for HRV
L
L · N
X10A
X9A
KRP50-2
1
2
3
1
2
5
3
4
6
1
Operation lamp
4
2P connecter
2
Power source
5
3P connecter
3
Power source
6
Printed circuit board
Wiring adapter for remote contact KRP50-2 (option)
(To be placed in the switch box of the HRV)
Summary of Contents for VAM250FC
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