Electric characteristics of the temperature sensors
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External temp. sensor
Suction temp. sensor
Outlet temp. sensor
and return circulating water
Temp. (°C) 5HVLVWDQFHNȍ
031
524
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
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Temp. (°C) 5HVLVWDQFHNȍ
10 1,000
20 600
35 300
40 250
50 160
80 50
Error log display
Display method
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conds 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
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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 ------
d6 Room air temperature Unit di 1°C
d7 External thermistor temperature Unit di 1°C
d8 Suction 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
111
Section II :: Installation and maintenance
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