Owners Manual

24 49-5000255
ENGLISH
INITIAL SETTING
Quiry mode ends mode after 30 seconds automatically. The LED show the last data your queried when you entry this query
mode next time.
LED Display
Code Data content
“A0” INDOOR UNTI A room temp(decimal)
“A1” INDOOR UNIT A TC1 gas pipe temp. (decimal)
“A2” INDOOR UNIT A TC2 liquid pipe temp. (decimal)
“A3” INDOOR UNIT A Tm indoor coil temp. (decimal)
“A4” INDOOR UNIT A physical address (hex)
“A5” INDOOR UNIT A central address (hex)
“A6” INDOOR UNIT A error code (decimal)
“b0” INDOOR UNTI B room temp(decimal)
“b1” INDOOR UNIT B TC1 gas pipe temp. (decimal)
“b2” INDOOR UNIT B TC2 liquid pipe temp. (decimal)
“b3” INDOOR UNIT B Tm indoor coil temp. (decimal)
“b4” INDOOR UNIT B physical address (hex)
“b5” INDOOR UNIT B central address (hex)
“b6” INDOOR UNIT B error code (decimal)
“C0” INDOOR UNTI C room temp(decimal)
“C1” INDOOR UNIT C TC1 gas pipe temp. (decimal)
“C2” INDOOR UNIT C TC2 liquid pipe temp. (decimal)
“C3” INDOOR UNIT C Tm indoor coil temp. (decimal)
“C4” INDOOR UNIT C physical address (hex)
“C5” INDOOR UNIT C central address (hex)
“C6” INDOOR UNIT C error code (decimal)
2. Be sure to close the cover of the electrical cabinet after setting.
3. Setting for LED display
1- SW4, SW5 button function
SW4: select the indoor unit (like SW9/10 on MRVIII-C outdoor PCB)
SW5: select the different parameter (like SW11)
2- The details
The LED shows 0 when the kit and indoor unit work correctly, and shows the error code if any problem happened on kit and
indoor unit.
SW4: select the indoor unit (like SW9/10 on MRVIII-C outdoor PCB) Press SW4, the LED shows “A0” & “data” alternately.
“A0” -> “data”->“A0” -> “data”… Press SW4 once more, the LED shows “b0” & “data” alternately. Press SW4 once more, the
LED shows “C0” & “data” alternately.
SW5: select the different parameter (like SW11)
Press SW5, the LED shows “A0” & “data” alternately. “A0” -> “data”->“A0” -> “data”… Press SW5 once more, the LED shows
“A1” & “data” alternately. Press SW5 once more, the LED shows “A2” & “data” alternately. You do repeat this operation till A6
displayed.