Installation manual
17
VAM350~2000FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P415947-1A – 2017.08
Example 1:
To switch on the pre-cool/pre-heat function, and turn on the HRV unit
60 minutes after the air conditioner is turned on.
•
Set the mode No. to "17" for group control, or "27" for individual
control, the setting switch No. to "2" and the setting position No.
to "02"
•
Set the mode No. to "17" for group control, or "27" for individual
control, the setting switch No. to "3" and the setting position No.
to "03"
Example 2:
To switch the ventilation air flow to ultra high setting. (The units are
set at the high air flow setting at the factory)
•
Set the mode No. to "17" for group control, or "27" for individual
control, the setting switch No. to "4" and the setting position No.
to "02"
In case of several remote controllers, perform master/slave setting.
Refer to "performing initial settings" in the remote control instruction
manual.
Example 3:
When the remote controller is connected, keep the switches on the
HRV unit PCB at the default factory settings.
Direct duct connection system for 1-group operation system
Line connections and the settings of the switches on the HRV unit
PCB should be the same as for "Standard system for 1-group
system".
Set the switch of the HRV unit PCB to the default factory settings.
1
Be sure to set the initial settings to Direct duct connection:
Enabled.
When the remote controller for HRV is not yet connected,
initial settings can be performed using the air conditioner
remote control. Set the mode number to "17", the setting
switch number to "5", and the setting position number to "02"
according to the procedure in
"List of Settings" on page 13
.
When the remote controller for HRV is connected, initial
settings should be performed using the remote controller for
HRV. Set the same numbers as described above when using
the remote controller for air conditioner according to the
procedure "Making initial settings" in the remote control
instruction manual.
2
Settings for other HRV functions should be made using the
same method as in "Standard system for 1-group system".
Linked control with more than two groups
Mount the optional
KRP2A51 Adapter PCB for
remote control to one HRV
unit.
A maximum of 64 air
conditioners and HRV units
can be connected to the F1
and F2 terminals.
Use the remote controller
of the air conditioner to
make the initial settings.
Procedure
Make the remote controller settings on site; set the collective zone
interlock to ON. Mode number "17", setting switch number "8" and
setting position number "02".
Now the on-site settings are complete.
For raising the remote-controlled ventilation air flow rate "High" to
"Ultra-High", connect the remote controller for the air conditioner to
HRV and make settings on site. (Refer to "Initial setting" under item
"List of Settings" on page 13
.)
Air ventilation
rate setting
using remote
control
Default factory settings
When set
as in example 2
Low
Low (L) air flow rate
Low (L) air flow rate
High
High (H) air flow rate
Ultra-High (UH) air flow rate
Factory settings:
Do NOT change the switch
settings.
SS1 is a setting switch for special purposes.
Changing the settings will stop the unit from
operating normally.
SS1
NOR
H
M
P1
P2
P1P2
P1 P2
P1 P2
VRV
1
2
3
HRV
1
Remote controller for air
conditioner
3
Maximum total cable length:
500 m
2
Remote controller for air
conditioner
1
Remote controller for air
conditioner
2
Total cable length is
maximum 1000 m.
3
Optional distant control
adapter KRP2A51
VRV
VRV
HRV 1
HRV 2
X35A
F1 F2
P1
P2
P1 P2
F1 F2
F1 F2
1
2
3
