Energy Saving - Daikin VAM-FA8VE Technical Data Manual

5.2.3 Indoor Unit Connectable to up to 130% of the Capacity
5.2.4 Slim Design
2
5
5.3

Energy Saving

5.3.1 Automatic Heat Purge Function at Night
156
• HRV • VKM-GA(M)V1
The slim design of only 387 mm in height enables
installation inside ceilings with less than 400 mm of
clearance.
Not operation
Automatic heat
purge control
The heat which accumulated
indoors is discharged at night.
Air conditioning load of the next
day is reduced, and efficiency is
increased.
Mechanism
<Operation>
1. Interlocking operation is carried
out with the air-conditioning
machine, and the time of 2 hours
passing after an operation stop is
judged to be night.
(The same judgment as the
present preparatory operation)
2. After 2-hour progress, when
indoor temperature is higher than
the preset temperature of an air-
conditioning machine and higher
than outdoor temperature,
operation is started.
3. Operation will be stopped if indoor
temperature falls to air-
conditioning machine preset temperature.
Effect (Field Setting by remote controller)
It is reduction of about 5% of air-conditioning load at the time of cooling operation.
Air conditioning operation carries out to to April to October, and air-conditioning load is calculated only with
sensible heat load.
• HRV • Heat Reclaim Ventilation
Night
Stop
Heat Release Heat Release
Heat Heat
Reserve Reserve
Generation of heat with a PC etc. and
its heat are reserved to a wall ,ceiling.
Cold Air
Heat Release Heat Release
Heat Heat
Reserve Reserve
Heat is discharged
In case of interlocking operation with an air conditioner
Temp.
40
Outdoor Temp.
30
Setting Temp.
Indoor Temp.
20
ON
HRV
OFF
ON
Air
OFF
Conditioner
Morning
The load of air conditioner is large and
temperature does not fall easily.
There is little load and it is to comfortable
temp. immediately
Auto
2 hours
Start
Start