Daikin VAM-FA8VE Technical Data Manual page 128

9 Control System
1
9-3 Applicable patterns
9-3-1 Additional functions
9
Precool / preheat operation
Purposes and functions
• The operation of HRV unit is delayed when the air
conditioner begins operation.
Cautions
1. The precool / preheat function is possible only when the
operation of HRV unit is interlocked to one-group or
two-group of indoor unit.
(It will not function when the HRV unit is in independent
operation.)
2. You can select the preset time of 30 / 45 / 60 minutes
for delayed operation at the time of initial setting.
If this preset time is not sufficient, you can extend the
preset time for further 30 / 60 / 90 minutes only the
preheating function.
3. Since this is two remote control system (for Indoor unit
and HR unit), the Master / Slave setting is required.
Remote control for
Indoor unit
HRV unit
Remote control operation by input from outside
Purposes and functions
• The HRV unit can be controlled the operation of "On /
Off" remotely by the signal from no-voltage normally
open contact.
Cautions
1. When the system is under group control, the input from
outside controls the operation of "ON / OFF" collectively,
if it is installed in the one of the unit.
126
• HRV • VAM-FA8VE
Setting
Slave
Master
• HRV • Heat Reclaim Ventilation
Example of control wiring
F1 F2
P1 P2
Indoor unit
P1 P2
Remote control
for indoor unit
Connecting line can be
extended up to 500 m.
Switch setting of the HRV unit
The initial setting by the remote control for the indoor unit.
•
Precool / preheat On / Off setting
......................................................... "ON" [17(27)·2·02]
• Precool / preheat time setting
........................................................... "Time" [17(27)·3·*1]
• Preheat extra time setting
........................................................... "Time" [17(27)·9·*2]
*1 setting01 for 30, 02 for 45 and 03 for 60 minutes.
*2 setting01 for 0 (factory set), 02 for 30, 03 for 60 and 04
for 90 minutes.
Optional accessories required
• None
Example of control wiring
Connecting line can be extended up to 50 m
J1 J2 JC F1 F2
SS1
X11A
X9A
X10A
P1 P2
HRV unit
P1 P2
Remote control
for HRV unit
Switch setting of HRV unit
• No change is required.
Optional accessories required
• None
J1 J2 JC F1 F2
X11A
SS1
X9A
X10A
P1 P2
HRV unit
P1 P2
Remote control
for HRV unit
(HC0033)
(Terminal for local connection
No-voltage normally open
contact for micro-current)
(16 V, 10 mA)
(HC0034)