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5
System Set Up
5.2 C.B.
5.2.1 DIP Switch Function
Located on the C.B. printed circuit board are 7 sets of small white switches known as DIP switches. The DIP switch number is printed on
the circuit board next to the relevant switches. The word ON is printed on the circuit board and on the DIP switch block itself. To move the
switch you will need to use a pin or the corner of a thin metal ruler or similar.
DIP switch settings are listed below in Table 5.2.1.
Only an authorised installer can change DIP switch setting under one's own responsibility according to the installation condition.
Make sure to turn off heat pump unit power supplies before changing the switch settings.
DIP switch
SW1 SW1-1
SW1-2 Abnormal history clear
SW4 SW4-1
en
SW4-2
SW5 SW5-1
SW5-2 Power failure automatic recovery*1
SW5-3
SW5-4
SW5-5
SW5-6
SW6 SW6-1
SW6-2
SW6-3
SW6-4
SW6-5
SW6-6
Model select
SW6-7
SW6-8
SW7
SW7-1
*2
SW7-2
SW7-3
SW7-4
SW7-5
SW7-6
SW8 SW8-1
SW8-2
SW8-3
SW9 SW9-1
SW9-2
SW9-3
SW9-4
Note:
*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.
*2 Please do not use SW7-3, 4 usually. Trouble might be caused by the usage condition.
45
Function
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—
—
—
—
—
—
—
—
—
—
—
—
—
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—
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—
—
<Table 5.2.1>
OFF
ON
—
―
Normal
Clear
—
―
—
―
—
―
No auto recovery Auto recovery When power supply ON ON
—
—
—
―
—
—
—
―
—
―
—
—
—
—
Heat pump setting
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Default
Effective timing
settings
—
OFF
Always
OFF
—
OFF
—
OFF
—
OFF
—
OFF
—
OFF
—
OFF
—
OFF
—
OFF
―
OFF
—
OFF
OFF
ON
―
OFF
ON
OFF
―
OFF
―
OFF
―
OFF
―
OFF
―
OFF
—
OFF
—
OFF
―
OFF
―
OFF
OFF
OFF
Always
OFF
OFF
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