Daikin VRVIII-S, Service Manual

Page: 104 / 266

SiENBE34-703 Field Setting
Test Operation 93
3.2.2 Cool / Heat Mode Switching
There are the following 4 cool/heat switching modes.
$ Set cool/heat separately for each outdoor unit system by indoor unit remote control.
% Set cool/heat separately for each outdoor unit system by cool/heat switching remote control.
& Set cool/heat for more than one outdoor unit system simultaneously in accordance with
unified master outdoor unit by indoor unit remote control.
' Set cool/heat for more than one outdoor unit system simultaneously in accordance with
unified master outdoor unit by cool/heat switching remote control.
$
Set Cool / Heat Separately for Each Outdoor Unit System by Indoor Unit remote control
# It does not matter whether or not there is outdoor - outdoor unit wiring.
# Set outdoor unit PC board DS1-1 to IN (factory set).
# Set cool/heat switching to IND (individual) for “Setting mode 1” (factory set).
ON
OFF
MODE
DEMAND
L.N.O.P.
MASTER IND SLAVE
C/H SELECT R.C.
C/H SELECT
Dip SW
DS1-1
TEST
MALFUNC.
Indoor unit Indoor unit
P1 P2
Remote
control
P1 P2
Remote
control
<Set the master unit (= indoor unit having the right to
select the cooling/heating operation mode).>
In the case of wired remote controls
• After the check operation, “CHANGEOVER UNDER
CONTROL” is flashing in all connected remote controls.
• Select an indoor unit to be used as the master unit in
accordance with the request from the customer.
(It is recommended to select an indoor unit which will be
used most often as the master unit.)
• Press the operation mode selector button in the remote
control of the indoor unit selected as the master unit.
• In that remote control, “CHANGEOVER UNDER
CONTROL” disappears. That remote control will control
changeover of the cooling/heating operation mode.
• In other remote controls, “CHANGEOVER UNDER
CONTROL” lights.
For the details, refer to the installation manual
supplied together with the indoor unit.
In the case of infrared remote controls
• After the check operation, the timer lamp is flashing in all
connected indoor units.
• Select an indoor unit to be used as the master unit in
accordance with the request from the customer.
(It is recommended to select an indoor unit which will be
used most often as the master unit.)
• Press the operation selector mode button in the remote
control of the indoor unit selected as the master unit. A
“peep” sound is emitted, and the timer lamp turns off in all
indoor units.
• That indoor unit will control changeover of the cooling/
heating operation mode.