Installation manual
11
VAM350~2000FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P415947-1A – 2017.08
Power cord connection, control wire terminals and switches
on the electronic control unit (printed circuit board)
Connect the power cord to the L and N terminals.
Secure the power cord with the power cord clamp, as shown in
"Opening the switch box" on page 8
Be sure to connect the electric grounding (earth) wire.
Field setting and test run
Make sure the switch box lids are closed on the indoor and
outdoor units.
Depending on the type of installation, make the field settings
from the remote controller after the power is turned on, following
the "Field Settings" manual which came with the remote
controller.
Lastly, make sure the customer keeps the "Field Settings"
manual, along with the operating manual, in a safe place.
Local settings
Using the remote controller of the VRV-system air conditioner to
make HRV unit settings
Initial settings
1
Mode nos. 17, 18 and 19: Group control of HRV units.
2
Mode nos. 27, 28 and 29: Individual control
Operating procedure
The following describes the operating procedure and settings.
1
Press the INSPECTION/TRIAL button (1) for more than four
seconds with the unit in the normal mode to enter the local
setting mode.
2
For BRC301B51: use the VENTILATION MODE button (up) and
AIRFLOW RATE buttton (down)to select the desired "
mode
number
". The code display will blink.
For BRC1D52: use the TEMPERATURE ADJUSTMENT
button (2) to select the desired "
mode number
".
3
To make settings for individual units under group control (when
mode No. 27, 28 or 29 is selected), press the TIMER SETTING
ON/OFF button (3) to select the "
unit No.
" for which the settings
are to be made. (This process is not necessary when settings
are made for the entire group.)
4
Press the top section of the TIMER button (4) to select the
"
setting switch No.
"
5
Press the lower section of the TIMER button (5) to select
"
setting position No.
"
1
Power supply
10
Outdoor air thermistor
2
Terminals
11
Indoor air thermistor
3
Damper
12
Damper
4
External damper
(field supply)
13
Damper (upper part of
VAM1500/2000)
5
Fan communications
14
BRP4A50A (option)
6
KRP2A51 (option)
15
CO
2
sensor
7
Remote controller
16
Exhaust air fan
(only VAM350/500/650)
8
Centralized control
17
Supply air fan
(only VAM350/500/650)
9
External input
18
Factory setting
No operation if setting is
changed
SETTING
SECOND
CODE NO.
FIRST
CODE
NO.
Mode No.
FIELD
SET MODE
