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6. Description of the CPU funstion and heating
6.1 Description of the symbols on display
On the front side of the boiler there is a microprocessor unit that controls the device:
Appearance of a microprocessor control unit (image 1):
Image 1
Symbols on the display
1 - Time
2 - Date
3 -
SET TEMP.
– Set temperature of the system:
In this case it is 10 °C (range: 10 ÷ 90 °C)
4 - CURRENT TEMP. -
The current temperature in
system: In this case it is 55 °C
(measuring range -55 ÷ 125 °C)
5 -
SET POWER - Adjusted power,
in this case it is
0 kW (range: up to 21,6 kW, or up to 36 kW)
6 - CURRENT POWER – engaged power at the
moment, in this case it is 0kW.
7 -
PRESSURE
– Pressure in the system, in this case
it is 1,4bar (measuring range 0 ÷ 3,6 bar)
8 - SW:3 - Main Switch position,
in this case it is 3,
whitch is meant: device use power from plug 3
9 - PROG: X/OFF - Status of screed drying
PROG: X (1-2-3)
– program 1, 2, or 3 is
activated, PROG: OFF - program is not activated
10 - ERROR - in case of some failure of sensors or
temperature/pressure value out of allowed
range, on this position blinking one of warning:
- ATTENTION - in case of potential problem
- ERROR
– in case of problem ocure
11
– Code of ATTENTION (A0÷A4) / ERROR (E0÷E8)
in this case error ocure, code is E6
12 - ## - Measurement value is out of range
Image 2
Description of the CPU
1
2
3
4
5
6
7
8
9
11
12
10
Tact switches for a
comunication between
user and CPU
"SW:
X
"
–
Plug which is
used for power supply.
In this case: plug 3
"PROG:
X
" symbol shown on
display, indicates that a screed
drying program is in progress:
P1, P2 or P3. (In this case,
PROG. 2 is in progress, 14
th
from
25 days).