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Operation manual

5

VAM350~2000FC

Total Heat Exchanger

HRV (Heat Reclaim Ventilation)

4P415945-1 – 2015.08

2

Take out the heat exchange elements from the unit body.
(Refer to 

figure 4

 (A = Models VAM350~1000F, B = Models

VAM1500~2000F))

3

To clean the air filter, lightly pat it with hand or remove dust with
a vacuum cleaner. If excessively dirty, wash it in water. (Refer to

figure 5

)

4

If the air filter is washed, remove water completely and allow to
dry for 20 to 30 minutes in the shade. When dried completely,
install the air filter back in place. (Refer to 

figure 6

)

5

Install the maintenance cover securely in place.
Maximum allowed torque on the screws is 2,17 Nm.

Maintenance for the heat exchange element

Cleaning frequency

At least once every two years (for general office use)
(clean the element more frequently if necessary.)

1

Use a vacuum cleaner to remove dust and foreign objects on the
surface of the heat exchange element. (Refer to 

figure 7

)

- 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.

Trouble and countermeasure

If your unit does not operate properly, check the following items

If the following occurs, consult the dealer where the unit was purchased

List of malfunction codes of remote controller of the HRV-system air conditioner

 In case of malfunction with the code in white letters on black background, the unit still operates. 

However, be sure to have it inspected and repaired as soon as possible.

1

Heat exchange element

2

Handle

3

Rail

4

Filter

CAUTION

Do not wash the air filter in hot water.

Do not dry the air filter over a fire.

Do not subject the air filter to direct sunlight.

Do not use organic solvent such as gasoline and
thinner on the air filter.

Be sure to install the air filter after servicing.
(Missing air filter causes clogged heat exchange
element.)
Replacement air filters are available.

CAUTION

Never wash the heat exchanger element with water.

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 controller (BRC301B61) is shown.

This is normal. Operate the unit using the air 
conditioner remote control or centralized controller.
(Refer to 

"Operation" on page 2

)

Check if the indication of operation stand by on 
remote controller (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 

"Operation" on page 2

)

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  

"Maintenance" on page 4

.

Amount of discharged air is large and so is the 
sound.

Check if the air filter and heat exchange element are 
installed.

Refer to  

"Maintenance" on page 4

.

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

Damper-related malfunction

Blinking

Blinking

Blinking

6A

Damper-related malfu thermistor

Blinking

Blinking

Blinking

A6

Locked rotor

Blinking

Blinking

Blinking

C1

Fan communication error

Blinking

Blinking

Blinking

U5

Transmission error between the unit and remote controller

Off

Blinking

Off

U5

Printed circuit board error or setting error of remote controller

Off

Blinking

Off

U8

Transmission error between main remote controller and sub remote controller

Off

Blinking

Blinking

UA

Wrong remote controller installed

On

Off

On

UC

Repeated central address

Blinking

Blinking

Blinking

UE

Transmission error between the unit and centralized controller

Содержание VAM1000FC

Страница 1: ...OPERATION MANUAL VAM350FC VAM500FC VAM650FC VAM800FC VAM1000FC VAM1500FC VAM2000FC Total Heat Exchanger HRV Heat Reclaim Ventilation Ceiling mounted duct type ...

Страница 2: ...1 1 1 2 3 5 11 10 7 6 9 8 4 12 17 16 14 13 15 2 2 11 1 2 3 5 10 7 6 9 8 4 12 17 16 14 13 15 ...

Страница 3: ...7 7 3 3 1 3 2 1 3 2 A B 6 6 4 4 1 2 4 3 1 2 4 3 A B 5 5 ...

Страница 4: ...ric shock may occur Never inspect or service the unit by yourself Ask a qualified service person to perform this work Always use the air filter If the air filter is not used heat exchange elements will be clogged possibly causing poor performance and subsequent failure Do not change operations suddenly It can result not only in malfunction but also failure of switches or relays in the body This ap...

Страница 5: ...the indoor unit and the HRV unit can be performed using the indoor remote controllers Refer to the section Operation with the remote control exclusively for Air conditioning operation HRV units BRC301B61 on page 3 Centralized system Operation method When the HRV remote controllers is not connected the Centralized controller controls the operation of the HRV unit Refer to the section Independent op...

Страница 6: ...tilation of the unit in Bypass mode and Heat Exchange mode Heat Exchange mode In this mode the air passes through the heat exchanger element to effect Total Heat Exchanging ventilation Bypass mode In this mode the air does not pass through the heat exchange element but by passes it to effect Bypass ventilation 5 Indication of operation control method When the operation of HRVs are linked with the ...

Страница 7: ...pears on the display clean the filter of the HRV unit Refer to the section Maintenance on page 4 Maintenance for a qualified service person only Maintenance for the air filter Cleaning frequency At least once every two years for general office use clean more frequently if necessary 1 Go into the ceiling through the inspection hole remove binding metal of maintenance cover and take it off Refer to ...

Страница 8: ...vent such as gasoline and thinner on the air filter Be sure to install the air filter after servicing Missing air filter causes clogged heat exchange element Replacement air filters are available CAUTION Never wash the heat exchanger element with water Conditions Causes Corrective actions The unit does not operate at all Check if there is a power failure After power has been restored start operati...

Страница 9: ...00FC Total Heat Exchanger HRV Heat Reclaim Ventilation 4P415945 1 2015 08 Operation manual 6 Disposal requirements Dismantling of the unit must be done in accordance with relevant local and national legislation ...

Страница 10: ......

Страница 11: ......

Страница 12: ...4P415945 1 2015 08 Copyright 2015 Daikin ...

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