Daikin VAM Series Engineering Data page 52

Control System
24-Hour Ventilation Operation (continued)
Example of control wiring
Switching "Enable/Disable" for 24-hour ventilation function by external input
J2 JC
P1 P2
24-hour ventilation Contact on site
Disabled
Enable
Field settings using remote controller
Setting 24-hour ventilation operation ...[19(29)•4•※]
01
Ventilation rate ratio Stop
Ventilation Fan ON —
cycle for every
Fan OFF Fan OFF
30 minutes
Factory default setting
Intermittent low fan speed (Intermittent low notch) operation
Purpose • Functions
When low fan operation is performed by remote controller, the operation can be selected from low notch (continuous operation) and
intermittent low notch (intermittent operation) by making field settings.
POINT
Intermittent operation cannot be performed when direct duct connection is used.
Intermittent operation is not performed when high notch is selected using remote controller.
Fan operation time for intermittent operation can be selected during field setting.
※ T he unit does not always run continuously. Please check in advance where 24-hour ventilation is required.
Intermittent operation is not performed during fresh-up operation.
Switch number that needs to be changed for the system
Field settings using remote controller is required.
Field settings using remote controller
Intermittent low notch operation setting ...[19(29)•1•※]
Ventilation rate ratio
Ventilation
Fan ON
cycle for every
Fan OFF
30 minutes
50
Transmission wiring is up to 50m.
(Contact on site)
Heat Reclaim Ventilator Unit
Specifications for external contact
Short circuit
• Non-voltage normally open contact
• Microcurrent contact (Minimum applicable load: DC12V, 1mA or below)
OPEN
Setting position (※mark)
02 03 04
1/15 1/10 1/6
2 minutes 3 minutes 5 minutes 7.5 minutes 10 minutes 15 minutes
28 minutes 27 minutes 25 minutes 22.5 minutes 20 minutes 15 minutes
Setting position (※mark)
01 02 03
Normal 1/15 1/10
Fan ON 2 minutes 3 minutes 5 minutes
— 28 minutes 27 minutes 25 minutes 22.5 minutes 20 minutes 15 minutes
05 06 07 08
1/4 1/3 1/2 1/1
Fan ON
—
Factory default setting
04 05 06
1/6 1/4 1/3
7.5 minutes 10 minutes 15 minutes
EDMMT712101
External output setting of 24-hour
ventilation operation status ...
[18(28)•9•07]
Setting of switching "Enable/Disable"
by external input ...[18(28)•0•06]
07
1/2
VAM-HVE/HVLT Series