SUPER DIGITAL
SUPER DIGITAL
SUPER DIGITAL
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Revised 2: Mar., 2008<br />
12-4. Outdoor Unit<br />
12-4-1. Refrigerant Recovery Control<br />
The “ozone destruction coefficient” of HFC refrigerant is 0 and the<br />
discharge regulation is set as anathermal effect gas.<br />
To this model, a switch which can perform the refrigerant recovery<br />
(pump down) by the outdoor unit is mounted so that it is easy to<br />
react against the environment at reinstalling or rejection time.<br />
ON<br />
1 2 3 4<br />
W804: All OFF (As initial status)<br />
SW801: Push for 1 second.<br />
[Operation method]<br />
1) Set the mode of the indoor unit to fan mode.<br />
2) Set all DIP switch SW804 to OFF (Initial status) and then push<br />
the button switch SW801 for approx. 1 second. The cooling<br />
operation starts. (During this time, D805 (Green LED) flashes.)<br />
This operation finishes by 10 minutes.<br />
3) After operation for 3 minutes or more, close valve at liquid side.<br />
4) After recovery of refrigerant, close valve at gas side.<br />
5) Push the button switch SW801 again for approx. 1 second.<br />
The outdoor unit stops.<br />
D800<br />
D801<br />
D802<br />
D803<br />
D804<br />
D805<br />
The D805 (Green LED)<br />
flashes.<br />
ON<br />
ON<br />
1 2 3 4<br />
1 2 3 4<br />
6) Stop the indoor unit and then turn off the power supply.<br />
12-4-2. Various Setting on Outdoor Unit (Existing piping, Power save, Cooling-only, etc.)<br />
The following settings are available by DIP switch setup and jumper line setup.<br />
Function<br />
Set position<br />
Control contents<br />
High static<br />
pressure setup<br />
Existing<br />
piping setup<br />
ON<br />
SW802<br />
1 2 3 4<br />
High static pressure setup<br />
Existing piping setup<br />
Power save setup<br />
Snow-proof fan control<br />
Turn the switch to ON when mounting a duct to the discharge port of the<br />
outdoor unit. Add 3 taps to the upper limit value of the outdoor fan tap.<br />
The operation is performed with<br />
(Max: Upper fan: 890 rpm / Lower fan: 910 rpm (WF)).<br />
In this case, the upper limit value of static pressure for duct is 5Pa or less<br />
on 25°C degrees and please use straight duct.<br />
In this case, the outdoor noise level may increase.<br />
Turn the switch to ON when Ø19.1 is used for the existing pipe.<br />
In this case, the heating capacity may lower according to outside temp. and<br />
indoor temp. in heating operation.<br />
Power save<br />
setup<br />
Snow-proof<br />
fan control<br />
Defrost<br />
time change<br />
Max. frequency<br />
change<br />
∗ all are OFF at shipment.<br />
J805, J806<br />
J807<br />
Turn the switch to ON when using the power save function.<br />
The control to lower the compressor frequency (Approx. –10%) is<br />
performed by indoor heat exchanger temp. in heating operation.<br />
When snow enters from clearance of the fan guard or heat exchanger into<br />
blast path and it is accumulated, the control to prevent generation of motor<br />
lock is validated.<br />
When outside temp. is below 0°C though the compressor stops, the<br />
outdoor fan operates with W5.<br />
The defrost interval is cut to shorten it than the standard status.<br />
For contents of control and cutting method, refer to Section<br />
9-2-10. Defrost control.<br />
When it is needed to lower the maximum value of the compressor<br />
frequency, cut the jumper line. Max. frequency at cooling/heating is lowered.<br />
In this case the Max. capacity decreases.<br />
Max. frequency of compressor<br />
Model<br />
RAV-SP1104<br />
RAV-SP1404<br />
COOL HEAT COOL HEAT<br />
Standard status<br />
When J807 is cut<br />
53.4 71.4 64.2 90.6<br />
53.4 64.2 64.2 72.0<br />
Cooling-only<br />
setup<br />
J808<br />
When using the air conditioner as a cooling-only conditioner, cut the jumper<br />
line. (An air conditioner can be changed to cooling-only conditioner by “0F”<br />
of DN code on the remote controller.)<br />
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