250FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P415946-1 – 2015.08
Installation manual
10
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).
Local setting
Using the remote controller of the VRV-system air conditioner to
make HRV unit settings
Initial setting
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 for more than four
seconds with the unit in the normal mode to enter the local
setting mode.
2
Use the TEMPERATURE ADJUSTMENT button to select the
desired "
mode number.
" (The code display will blink.)
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 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 to select the "
setting
switch No.
"
5
Press the lower section of the TIMER button to select "
setting
position No.
"
6
Press the PROGRAM/CANCEL button once to enter the
settings. (The code display will stop blinking and light up.)
7
Press the INSPECTION/TRIAL button to return to normal mode.
1
Transformer
10
Damper
2
Secondary
11
Indoor air thermistor
3
Primary
12
Outdoor air thermistor
4
Supply air fan
13
Air flow
5
Exhaust air fan
14
Remote controller
6
Damper
15
Centralized control
7
Power supply
16
No-voltage external input
8
Terminals
17
Factory setting
Be sure to give the electric
grounding (earth)
connection.
9
For KRP50-2 or BRP4A50
X3A
X2A
X1A
X7A
FuL
10A
X13A
X8A
X12A
X5A
X9A
KRP
50-2
SS1
X11A
X10A
L
N
L
N
H
M
L
P2
P1
F1
F2
J1
J2
JC
P2
P1
F1
F2
J1
J2
JC
SS1
H
M
L
16
15
14
17
7
6
5
4
1
3 2
12
11
10
9
8
13
TEST
C
hr
hr
TEST
NOT
AVAILABLE
L H
Summary of Contents for VAM250FC
Page 22: ...NOTES...
Page 23: ...NOTES...