emmeti MIRAI - SMI 4.0 Manual De Instrucciones página 148

11. SERVICE AND MAINTENANCE 1. DESCRIZIONE DEI COMPONENTI
History display errors on PCB DISPLAY
Display method
Press and hold PUMP SW. and RESET SW. simultaneously for five sec-
onds 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 screen data content
Return temperature of circulating
d0
water
d1 Compressor operating frequency
d2 Compressor discharge temperature
d3 Current consumption value
d4 Plate exchanger temperature
d5 Defrost temperature
d6 External temperature
d7 Number of pump revolutions
d8 Compressor suction temperature
Outlet temperature
d9
of circulation water
Selector
Selettore
1 2
3 4
MODE SW 4
Reset SW
148
1°C unit
1Hz unit
1°C unit
100W unit
1°C unit
1°C unit
1°C unit
100rpm unit
1°C unit
1°C unit
Pump SW
Electrical characteristics of temperature sensors
[table 1] External temp sensor:
Mod. EH0618DC, EH1018DC, EH1218DC, EH1618DC,
EH1718D3
Water outlet and return temp. sensor:
Mod.EH1018DC, EH1218DC, EH1618DC, EH1718D3
Temp. (°C)
0
5
10
15
20
25
30
35
40
45
50
55
[table 2]
Defrost temp. sensor:
Mod. EH0618DC, EH1018DC, EH1218DC, EH1618DC, EH1718D3
Intake temp sensor:
Mod. EH0618DC, EH1018DC, EH1218DC, EH1618DC, EH1718D3
Temp. (°C)
0
5
10
15
20
25
30
35
40
45
50
55
[table 3]
Water outlet temp sensor: Mod. EH0618DC
Water return temp sensor: Mod. EH0618DC
Temp. (°C)
0
10
20
30
40
50
60
[table 4]
Compressor discharge temp sensor:
Mod. EH0618DC, EH1018DC, EH1218DC, EH1618DC, EH1718D3
Temp. (°C)
0
10
35
40
50
80
EN EN
Resistance (k )
31
24
19
15
12
10
8
6.7
5.5
4.6
3.8
3.2
Resistance (k )
29
23
19
15
12
10
8.3
6.9
5.7
4.8
4.1
3.4
Resistance (k )
25
16
10
7.0
4.9
3.5
2.5
Resistance (k )
100
64
33
27
18
6.4