Daikin VKM50GAV1, Service Manual

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Operation Si71-812
20 Operation
1.5 Operation
HRV ; Heat Reclaim Ventilation
•
Carefully read this operation manual before using the total heat exchanger. It will tell you how to use the
unit properly and help you if any trouble occurs. This manual explains about the indoor unit only. Use it
along with the operation manual for the outdoor unit. After reading the manual, file it away for future
reference.
•
This unit is an option type for the VRV system air conditioner.
It should normally be used in combination with the P-type VRV system indoor air conditioner. (RXYQ,
REYQ, RXQ)
It is also possible to use this unit as an independent system.
•
This unit cannot control room temperature.
If this is needed, do not install the HRV unit alone, but rather install another indoor unit.
•
Use the remote controller of the VRV system indoor air conditioner to control the unit.
1.5.1 What to do before Operation
This operation manual is for the following systems with standard control. Before initiating operation, contact
your Daikin dealer for the operation that corresponds to your system type and mark.
If your installation has a customized control system, ask your dealer for the operation that corresponds to
your system.
Name of Parts
Sometimes when first using the unit, the smell of the heat
exchanging element may be noticeable, but it is not harmful. The
smell will gradually go away as the unit is used.
Important
It exchanges the heat (temperature and humidity) from
indoors with the air taken in from outdoors, changes the
outside air to the same condition as indoors and then
brings it indoors.
(2) Duct connecting
flange
(3) Exhaust fan
(1) Hanger bracket
(7) Maintenance cover
(6) Electric parts box
(8) Heat exchanger elements
(12) Gas pipe
(13) Liquid pipe
(16) Strainer (included)
(14) Drain outlet
(15) Humidifier (Natural evaporating type)
(19) Remote controller (Optional accessory)
(11) Direct expansion coil
(9) Name plate
(10) Air supply fan
(4) Air filter (Long life filter)
(5) Damper
<VKM-GAMV1 series only>
<VKM-GAMV1 series only>
(21) EA
Exhaust air
to outdoors
(22) OA
Fresh air
from outdoors
(outdoor air)
(15) Humidifier (Natural evaporating type)
(24) SA
Supply air
to room
(23) RA
Return air
from room
(18) Solenoid valve
(17) Feed water tank
(11) Direct expansion coil
(20) Damper motor
<VKM-GAMV1 series only>
<VKM-GAMV1 series only>
<VKM-GAMV1 series only>