30
TEST RUNNING
15.2. TEST RUN FROM OUTDOOR UNIT SIDE
The procedure of test run from outdoor unit side is
indicated below. Setting of this DIP switch is available with
the power source ON.
Setting of Dip Switch (Before Shipment)
DSW301
Switch for Setting of Service Operation and Function
ON
1 2 3 4 5 6
1. Test Run
2. COOL/HEAT Setting
(ON: Heating Operation)
3. OFF (Fixed)
4. Manual Compressor OFF
5. No Setting
6. No Setting
WARNING:
Do not touch any other electrical parts when operating
switches on the PCB.
Do not attach or detach service cover when the power
source for the outdoor unit is ON and the outdoor unit
is operated.
Turn all DIP switches of DSW1 OFF when the test run
operation is completed.
Dip Switch Setting Operation Remarks
Test Run
x Setting of Operation Mode
Cooling: Set DSW301 pin 1-2 OFF.
ON
1 2 3 4 5 6
Heating: Set DSW301 pin 2 ON.
ON
1 2 3 4 5 6
yStarting Test Run
Set DSW301 pin 1 ON and the
operation is started after a few ~20
seconds.
When heating operation, leave
DSW1-2 at ON
↓
ON
1 2 3 4 5 6
x The indoor unit automatically start to
operate when the test run of the
outdoor unit is set.
y The ON/OFF operation can be
performed from the remote control
switch or DSW301-1 of the outdoor
unit.
z Continuous operation during 2 hours
is performed without Thermo-OFF.
NOTE:
TEST RUN operation time can be
increased depressing the time
switch in the Remote Control.
Take care that the indoor units start
operation in accord with the test run
operation of the outdoor unit.
The test run is started from the
outdoor unit and stopped from the
remote control switch, the test run
function of the remote control switch
is cancelled. However, the test run
function of the outdoor unit is not
cancelled
In case that the plural indoor units
are connected with one remote
control switch, all the units start test
run operation at the same time,
therefore, turn the power source OFF
for the indoor units not to operate
test run. In this case, the TEST RUN
indication of the remote control
switch may flicker, and this is not
abnormal.
The setting of DSW1 is not required
for the test run from the remote
control switch.
Manual OFF
of
Compressor
x Setting
-Compressor Manual OFF:
Set DSW301 pin 4 ON.
ON
1 2 3 4 5 6
-Compressor ON:
Set DSW301 all pins OFF.
ON
1 2 3 4 5 6
x When DSW301-4 is ON during
compressor operation, the
compressor stops to operate
immediately and the indoor unit is
under the condition of Thermo-OFF.
y When DSW1-4 is OFF, the
compressor starts to operate after the
cancellation of 3-minutes guard.
Do not repeat compressor ON/OFF
frequently.
Manual
Defrost
x Manual Defrost Operation Starts
Press PSW1 for more than 3
seconds during heating operation,
the defrost operation is started after 2
minutes.This function is not available
within 5 minutes after starting heating
operation
y Manual Defrost Operation Finishes
Defrost operation is automatically
ended and the heating operation is
started.
xDefrost operation is available
regardless of frosting condition and
total time of heating operation.
yDefrost operation in not performed
when the temperature of outdoor
heat exchanger is higher than 10°C,
high pressure is higher than 3.3MPa
(33kgf/cm
2
G) or Thermo-OFF.
Do not repeat defrost operation
frequently.
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