55
●
Outdoor switch for a new freon function table
Switch
Signal
SW1
1
2
No.
Function
Effective timing
Action by the switch operation
Compulsory defrosting
w
1
Start
Normal
Heat compressor operating
~
3
6
Abnormal history clear
Refrigerant address setting
When power supply ON
Clear
Normal
off or operating
SW4
1
2
Trial run ON/OFF
ON
OFF
OFF
Trial run mode setting
Heat
Cool
SW5
1
2
Fan 100% fix
100% fix
Normal
Outdoor LEV opening fix
w
2
Fix
Normal
3
4
No function
No function
No function
No function
No function
No function
off or operating
off or operating
–
–
ON
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
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1 Compulsory defrosting should be done as follows.
1
Change the DIP SW1-1 in the outdoor controller board OFF
➔
ON (compulsory defrosting start).
According to the
1
operation,
• Heat mode setting
• Compressor operating
• The defrosting starts when the piping temperature is 8˚C and below.
• When the stated condition is satisfied, the defrosting operation will be completed.
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2 Ignore the change of LEV opening, which is subject to change of subcooling, and fix DIP SW 5-2 in the on position. Then
LEV opening is fixed. When air conditioner is overloaded for some reasons, ignore the change of subcooling and adjust the
LEV opening in accordance with overload condition.
10-9. FUNCTION OF SWITCHS, CONNECTORS AND JUMPERS
OC336--2.qxp 05.8.29 7:20 PM Page 55
