52
Switch
Type
of
switch
Dip
switch
SW1
1
2
No.
Function
Effective timing
Action by the switch operation
Compulsory defrosting
Start
Normal
When compressor is working
in heating operation.
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Abnormal history clear
Refrigerant address setting
When power supply ON
Clear
Normal
off or operating
SW4
1
6
5
4
3
2
Test run
Operating
OFF
Under suspension
Test run mode setting
Heating
Cooling
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
Compulsory defrosting should be done as follows.
1
Change the DIP SW1-1 on the outdoor controller circuit board from OFF to ON.
2
Compulsory defrosting will start by the above operation
1
if these conditions written below are satisfied.
• Heat mode setting
• 10 minutes have passed since compressor started operating or previous compulsory defrosting finished.
• Pipe temperature is less than or equal to 8
:
.
3
Compulsory defrosting will finish if certain conditions are satisfied.
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Compulsory defrosting 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.
13-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS
(1) Function of switches
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1 Power failure automatic recovery’ can be set by either remote controller or this DIP SW. If one of them is set to ON,
‘Auto recovery’ activates. Please set “Auto recovery” basically by remote controller because all units have not DIP SW.
Please refer to mode 01 in the table on 13-11.
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2 SW7-1,2 to “Low-level Sound Priority Mode” available in “Low-level Sound Priority Mode” mode only.
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3 RP10YHA is always ON.
1
2
3
4
3
4
5
6
1
2
3
ON
OFF
No.
Function
Effective timing
Action by the switch operation
No function
Power failure
automatic recovery
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1
No function
No function
No function
No function
No function
No function
Use of existing pipe
Replacement operation
No function
Pump down
Switch
SW5
SW7
Dip
switch
Push
switch
SW8
SWP
Type of
Switch
—
Auto recovery
—
—
—
—
—
—
Used or RP10Y
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3
Start
—
Start
—
No auto recovery
—
—
—
—
—
—
Not used
Normal
—
Normal
—
When power supply ON
—
—
Always
—
—
—
—
Always
Under suspension
—
Under suspension
Switch to “Low-level
Sound Priority Mode”
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2
1
2
1
OFF
OFF
Mode 1
Mode 2
Mode 3
OFF
ON
ON
ON
2
Cooling
Regulate max Hz
to spec.
Regulate max Hz
to spec.
Regulate max Hz
to spec.
Regulate max Hz
to spec.
Only TH7
}
30
°
C
regulate max Hz
to spec.
No regulation
Heating
Low-level Sound
Priority Mode
OC317-2.qxp 04.11.26 9:39 AM Page 52
