Mitsubishi Electric PUHZ-FRP71VHA2R1, Руководство по обслуживанию

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54
OCH665B
10-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS
(1) Function of switches
*1
Manual defrost should be done as follows.
1
Change the DIP SW1-1 on the outdoor controller board from OFF to ON.
2
Manual defrost will start by the above operation
1
if all these conditions written below are satisfied.
• Heat mode setting
• 10 minutes have passed since compressor started operating or previous manual defrost is finished.
• Pipe temperature is less than or equal to 8°C.
Manual defrost will finish if certain conditions are satisfied.
Manual defrost can be done if above conditions are satisfied when DIP SW1-1 is changed from OFF to ON.
After DIP SW1-1 is changed from OFF to ON, there is no problem if DIP SW1-1 is left ON or changed to OFF again.
This depends on the service conditions.
The black square ( ) indicates a switch position.
Type
of
switch
Switch No. Function
Action by the switch operation
Effective timing
ON OFF
Dip
switch
SW1
1 Manual defrost
*1
Start Normal
When compressor is working
in ATA heating and ATW
heating operation.
*1
2 Abnormal history clear Clear Normal OFF or operating
3
Refrigerant address setting When power supply ON
4
5
6
SW4
1 Test run Operating OFF
OFF
2 Test run mode setting ATA Heating ATA Cooling
Push
switch
SWP Pump down Start Normal OFF
1 2 3
0 1 2 3
4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3
4 5 6 7
4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3
8 9 10 11
4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3
12 13 14 15
4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON