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Maintaining the unit
Emergency heating / Emergency hot water supply
<Emergency heating_(when using #4021)>
• Heating function is performed only by the backup heater if the outdoor unit malfunctions (available only when a backup
heater is connected).
• Enabling the function : Turn o the Control kit Dip S/W #1, and then turn the power o and on.
• Disabling the function : Turn on the Control kit Dip S/W #1, and then turn the power o and on.
• Default operation : Automatic heating is performed at a set temperature of 35°C.
<Emergency hot water supply_(when using FSV #3011, 3031)>
• Hot water is supplied only by the booster heater if the outdoor unit malfunctions.
• Enabling the function : Turn o the Control kit Dip S/W #2, and then turn the power o and on.
• Disabling the function : Turn on the Control kit Dip S/W #2, and then turn the power o and on.
• Default operation : Automatic hot water supply is performed at a set temperature of 50°C.
<Control kit PCB>
ENGLISH-50
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