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8-1-2. Forced Defrost Setup of Remote Controller (For wired remote controller only)
(Preparation in advance)
1 Push
TE
ST
+
SET
+
CL
buttons simultaneously for 4 seconds or more on the remote controller.
(Push buttons while the air conditioner stops.)
The first displayed unit No. is the master indoor unit address in the group control.
2 Every pushing
UNIT
button, the indoor unit No. in the group control is displayed one after the
other.
Select a main indoor unit (outdoor unit is connected) which is to be defrosted.
In this time, fan and louver of the selected indoor unit operate.
3 Using the set temperature
TEMP.
buttons, specify the CODE No. (DN) 8C.
4 Using the timer time
TIME
buttons, set time to data 0001. (0000 at shipment)
5 Push
SET
button. (OK if indication lights)
6 Pushing
TE
ST
button returns the status to the normal stop status.
(Practical operation)
• Push ON/OFF
ON / OFF
Key.
• Select the HEAT mode.
• After while, the forced defrost signal is sent to the outdoor unit and then the outdoor unit starts defrost
operation. (The forced defrost operation is performed for Max. 12 minutes.)
• After defrost operation finished, the operation returns to the heating operation.
To execute the defrost operation again, start procedure from above item 1 .
(If the forced defrost operation was executed once, setting of the above forced defrost operation is cleared.)
8-1-3. LED Display on Indoor P.C. Board
1. D002 (Red)
• Goes on at the same time when power was turned on (Main microcomputer operates and goes on.)
• Flashes with 1-second interval (every 500ms): When EEPROM is not provided or writing was an error.
• Flashes with 10-seconds interval (every 5S): When the mode is DISP
2. D203 (Red)
• Goes on when power is supplied to remote controller (Lights on the hardware)