55
6. CONTROL OUTLINE
6-1. Indoor Unit
6-1-1. Control Specifications
No.
1
2
3
4
5
Item
Power supply
is reset.
Operation
select
Room temp.
control
Automatic
capacity
control
Air volume
control
Outline of specifications
(1) Identification of outdoor unit
When the power supply is reset, the outdoor units are
individually identified and communication is established.
(2) Check code clear
When the power supply is reset, the check code is also reset.
If an abnormal status is still present upon restart the check
code will be displayed again on the remote controller.
(1) Based upon the operation command received from the
remote controller or central controller, the operation mode is
selected.
Remote controller
command
STOP
FAN
COOL
DRY
HEAT
Control outline
Stops air conditioner.
Fan only operation
Cooling operation
Dry operation
∗
Heating operation
(1) Set point temperature adjustment range on remote controller
(°C)
Wired type
Wireless type
All cooling
18 to 29°C
18 to 30°C
All heating
18 to 29°C
16 to 30°C
(2) The set point temperature in heating operation can be offset
using item code (DN) 06.
Setup data
Setup temp. correction
0
2
4
6
+0°C
+2°C
+4°C
+6°C
Setup at shipment
Setup data
2
(1) The difference between the temperature reading taken from
the Ta (room) sensor and the Ts (set point) selected on the
remote controller is used to determine the demand frequency
to the outdoor unit.
(1) The remote controller is used to select the modes “HIGH
(HH)”, “MED (M)”, “LOW (L)” or “AUTO”.
(2) The difference between the temperature reading taken from
the Ta (room) sensor and the Ts (set point) selected is used
to control the air volume setting when in “AUTO” mode.
Remarks
∗
Concealed Duct High
Static Pressure type air
conditioner cannot operate
in drying mode.
Heating suction temperature
shift
HH > H+ > H >
L+ > L > LL
