Daikin VAM-FA8VE, Technical Data Manual

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• HRV • VAM-FA8VE
• HRV • Heat Reclaim Ventilation
112
1
8
8 Operation
8-3 Maintenance
CAUTION
1. Do not wash the air filter in hot water.
2. Do not dry the air filter over a fire.
3. Do not subject the air filter to direct sunlight.
4. Do not use organic solvent such as gasoline and thinner on the
air filter.
5. Be sure to install the air filter after servicing.
(Missing air filter causes clogged heat exchange element.)
The air filter is an optional item and the replacement is available.
1. Use a vacuum cleaner to remove dust and foreign objects on the surface of the heat exchange element.
Use the vacuum cleaner equipped with a brush on the tip of the
suction nozzle.
Lightly contact the brush on the surface of the heat exchanging
element when cleaning. (Do not crush the heat exchange
element while cleaning.)
2. Install the air filter securely in place.
3. Put the heat exchange element on the rail and insert it securely
in place.
4. Install the maintenance cover securely in place.
CAUTION
Never wash the heat exchanger element with water.
8-4 Trouble shooting
8-4-1 If your unit does not operate properly, check the following items.
8-4-2 If the following occurs, consult your dealer where the unit was purchased.
<List of mulfunction codes of Remote control of the HRV-system air conditioner>
In case of the mulfunction with the code in white letters on the black background in the unit still operates.
However, be sure to have it inspected and repaired and as soon as possible.
!
CLEANING FREQUENCY
AT LEAST ONCE EVERY TWO YEARS
(FOR GENERAL OFFICE USE)
(CLEAN THE ELEMENT MORE FREQUENTLY IF NECESSARY.)
(HC0218)
!
Conditions Causes Corrective actions
The unit does not operate at all.
Check if there is a power failure. After power has been restored, start operation again.
Check if the fuse has blown or breaker has worked. Change the fuse or set the breaker.
Check if the indication of operation control method
on remote control (BRC301B61) is shown. This is normal. Operate the unit using the air
conditioner remote control or centralized control.
(Refer to “2. OPERATION”)
Check if the indication of operation stand by on
remote control (BRC301B61) is shown. It indicates the precooling / preheating operation.
This unit is at stop and will start operation after the
precooling / preheating operation is over.
(Refer to “2. OPERATION”.)
Amount of discharged air is small and the
discharging sound is high. Check if the air filter and heat exchange element are
clogged. Refer to “3. MAINTENANCE”.
Amount of discharged air is large and so is the
sound. Check if the air filter and heat exchange element are
installed. Refer to “3. MAINTENANCE”.
Operation lamp
Inspection
indicator
Unit No.
Malfunction
code
Description
On Off Blinking 64 Indoor air thermistor malfunction
On Off Blinking 65 Outdoor air thermistor malfunction
On Off Blinking 6A Dumper-related malfunction
Blinking Blinking Blinking 6A Dumper-related malfu thermistor
Blinking Blinking Blinking U5 Transmission error between the unit and remote control
Off Blinking Off U5 Printed circuit board error or setting error of remote control
Off Blinking Off U8 Transmission error between main remote control and sub remote control
Off Blinking Blinking UA Faulty installation setting
On Blinking On UC Repeated central address
Blinking Blinking Blinking UE Transmission error between the unit and centralized control