Hitachi RASC UTOPIA RCI-2.0FSN1E Installations- Und Betriebshandbuch Seite 43

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)
Switch for setting of Serivice Operation and Function
ON
1 2 3 4 5 6
Operation
Test Run
Manual OFF of
Compressor
Manual Defrost
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DSW1
1. Test Run
2. COOL/HEAT
Setting (ON: Heat Operation)
3. OFF (Fixed)
4. Manual Compressor OFF
5. OFF (Fixed)
6. OFF (Fixed)
Dip Switch Setting
 Setting of Operation Mode:
Cooling: Set DSW1-2 OFF.
ON
1 2 3 4 5 6
Heating: Set DSW1-2 ON.
ON
1 2 3 4 5 6
 Starting Test Run:
Set DSW1-1 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
 Setting:
Compressor Manual OFF:
Set DSW1-4 ON.
ON
1 2 3 4 5 6
Compressor ON:
Set DSW1-4 OFF.
 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
 Manual Defrost Operation Finishes
Defrost operation is automatically
ended and the heating operation is
started.
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
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.
Operation
 The indoor unit automatically start
to operate when the test run of the
outdoor unit is set.
 The ON/OFF operation can be
performed from the remote control
switch or DSW1-1 of the outdoor
unit.
 Continuous operation during 2 hours
is performed without Thermo-OFF.
 When DSW1-4 is ON during
compressor operation, the
compressor stops to operate
immediately and the indoor unit is
under the condition of Thermo-OFF.
 When DSW1-4 is OFF, the
compressor starts to operate after
the cancellation of 3-minutes guard.
 Defrost operation is available
regardless of frosting condition and
total time of heating operation.
 Defrost 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 G) or Thermo-OFF.
2
Remarks
• 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 fl icker, and this is not
abnormal.
• The setting of DSW1 is not required for the
test run from the remote control switch.
• Do not repeat compressor ON/OFF
frequently.
• Do not repeat defrost operation frequently.
PMGB0126A rev.2 - 11/2006
31