Control of W-ECO MULTI SYSTEM
3
TD831077
III - 18
Refer to the table below for the relationship between the sensor address and the location of the sensor.
In case there are no sensor equipped with the unit, - - - is shown on the display.
C Resetting the remote controller display back to normal.
❏ To reset the display when you are finished, press TEST / CHK button, then the remote controller will return to
previous mode.
(D) Find out about past service problems
The remote controller can store the max. 4 most recent alarm codes, so you can see what kind of broblems the unit
has had, if any. Knowing what has already happened and been fixed helps you know what to check at present.
❏ This function is usable even if the unit is not working.
❏ To display the past error codes, follow the procedure below.
Procedure:
a On the remote controller, press both TEST / CHK and SET buttons at the same time for more than 4 seconds.
b Once in this mode, a change from the normal display to service check display takes place, as shown in the table
below:
2. Optional Controller (remote controller)
Relationship between the sensor address and the location of sensor
Sensor Address
(CODE No.)
Indoor Unit 01 —
02 TH1 Indoor air suction Temp.
03 TH2 Indoor coil Temp. (E1)
04 TH3 Indoor coil Temp. (E2)
05 TH4 Indoor coil Temp. (E3)
06 TH5 Indoor Discharge air Temp.
07 —
08 Indoor Electronic Control Valve Open
09 —
Outdoor Unit PC unit AD unit
0A TH1 Discharge gas Temp. (PC Compressor) —
0B TH2 Discharge gas Temp. (AC Compressor) —
0C TH6 Outdoor coil Temp. (Right coil) 1C TH3 Outdoor coil Temp.
0D TH7 Outdoor coil 1 gas Temp. (Right coil) 1D TH4 Outdoor coil gas Temp.
0E TH4 Outdoor coil 1 liquid Temp. (Right coil) 1E TH2 Outdoor coil liquid Temp.
0F TH8 Outdoor coil 2 gas Temp. (Left coil) —
10 TH5 Outdoor coil 2 liquid Temp. (Left coil) —
11 TH9 Outdoor air suction Temp. 21 TH5 Outdoor air suction Temp.
12 — —
13 PC Compressor Current —
14 AC Compressor Current —
15 — —
16 — —
17 TH3 Discharge gas Temp. (SC Compressor) 27 TH1 Discharge gas Temp. (SC Compressor)
18 SC Compressor Current 28 SC Compressor Current
PC or PC Comp. or Compressor : Power Control Compressor
AC Comp. or AC Compressor : Standard Compressor
SC Comp. or SC Compressor : Scroll Compressor
(
Location of Sensor (Themistor)
NORMAL DISPLAY
Display Change
SERVICE CHECK DISPLAY
Set temp. È Code No.
UNIT No. È UNIT No. (
Indoor unit address
)
Hours, Minutes È Alarm Message
(È)
NOTE
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