Daikin VAM250FC, Installation Manual

Page: 7 / 24

250FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P415946-1 – 2015.08 Installation manual
4
S
YSTEM
Independent system
Air conditioner linked operation system
System Standard method
Related items in
Electric wiring
Independent system
• Up to 16 units can be controlled with the
remote controller for HRV. (A system with
two remote controls can be created in the
master/slave switching.)
• All HRV operations can be used and
indicated.
• Operation monitor output and humidifier
operation are possible using Adapter
PCB.
• Remote control cord should be procured
locally.
(Maximum cord length: 500 m)
"When connecting to
Remote controller for
HRV" on page 13
Combined
operation system
with VRV systems
and Sky-air series
1-group linked
operation system
• A combined total of up to 16 air
conditioners and the HRV can be
controlled.
• The HRV ventilation mode can be
operated independently when air
conditioners are not being used.
• Using the local setting of the remote
controller for air conditioners, various
settings such as precool/pre-heat
reservation on/off, ventilation flow rate,
ventilation mode, etc.
"Standard 1-group
linked-control
system" on page 13
Multi-group
(2 or more) linked
operation system
• Since all VRV units are connected to a
single line in view of installation, all VRV
units are subjects for operation.
• If there are problems operating all VRV
units, do not use this system.
"Linked control with
more than two
groups" on page 14
HRV HRV
1
2
1 Remote controller
for HRV 2 2-wire cord
(produced locally)
VRV
HRV
1 2
1 Remote controller
for air conditioner
(Remote controller
for HRV) 2 Remote controller
for air conditioner
VRV VRV
VRV
VRV
HRV HRV
1 2
5 5
5 5
3 4
6
1 Group 1 4 Group 4
2 Group 2 5 Remote controller
for HRV
3 Group 3 6 Distant control
adapter
NOTE
■
Adapter PCB: KPR50-2 ; Distant control adapter: KRP2A61: Installation box for adapter PCB: KRP50-2A90
■
Operation of two or more group is not possible with direct duct connection.
■
With VAM types, the direct duct connection shown can also be selected for 1-group operation systems.
System Standard method
Related items in
Electric wiring
Direct duct connection system
• The HRV will operate only when the air
conditioner fan is on.
• When the air conditioner is not being
used, the HRV can be operated in
circulation or ventilation modes.
• Other specifications are the same as
those of the standard system.
"Direct duct
connection system
for 1-group operation
system" on page 14
VRV
HRV
1 2 3
1 Remote controller
for air conditioner
(Remote controller
for HRV) 2 Remote controller
for air conditioner
3 Duct