48
DESCTIPTION OF COMPONENTS
GB
GB
Electric characteristics of the temperature sensors
[table 1] Defrost temp. sensor
External temp. sensor
Suction temp. sensor
Outlet temp. sensor
and return circulating water
Temp. (°C)
Resistance (k
Ω
)
0
31
5
24
10
19
15
15
20
12
25
10
30
8
35
6.7
40
5.5
45
4.6
50
3.8
55
3.2
[tabella 2] Flow temp. sensor
Temp. (°C)
Resistance (k
Ω
)
10
1,000
20
600
35
300
40
250
50
160
80
50
Error log display
Display method
Press and hold PUMP SW. and RESET SW. simultaneously for five secon-
ds to display the sequential codes and numbers of previous errors.
The PUMP SW key can be used to scroll through the codes of previous
errors up to a maximum of 8.
if there are no error codes, the display shows “ - - ”)
Deletion of displayed values
When an error code is displayed, press and hold PUMP SW. and RESET
SW. simultaneously for five seconds to
switch off the display.
Alternatively, if no operation is carried out for 5 minutes, the display will
be automatically switched off.
When an error code is displayed, press and hold RESET SW for at least 10
seconds to delete all previous errors. “ - - ” will appear on the display.
Data display method
1. Move the MODE SW 4 selector to ON from the PCB (DISPLAY) board of
the unit.
The number and the corresponding value are displayed alternatively.
2. Press PUMP SW.
Whenever PUMP SW is pressed, the display switches to the sequence
below.
3. After completing the check, move selector MODE SW 4 to OFF.
Monitor Monitor display data contained
d0
Circulation water return temperature
Unit di 1°C
d1
Compressor operating frequency
Unit di 1Hz
d2
Delivery temperature
Unit di 1°C
d3
Current consumption value
Unit di 100W
d4
Interface voltage
Unit di 0,1V
d5
Temperature defrost
d6
Outdoor temperature
Unit di 1°C
d7
-
Unit di 1°C
d8
Compressor inlet temperature
Unit di 1°C
d9
Outlet temperature of the circulation
water
Unit di 1°C
Reset SW
ON
4
3
2
1
OFF
Selected
MODE SW 4
Pump SW
GB
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9. ASSISTANCE AND MAINTENANCE
Summary of Contents for Mirai SMI EH0614DC
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