Adjusting Parameters (Bc /Bf); Alarms; Temperature Alarms - Porkka BC 720 SH Instructions D'emploi Et Montage

1 3 D1
2 4 D2
5 6 D3
L1 L2
Picture 12. Adjusting parameters
1 3 D1
2 4 D2
5 6 D3
L1 L2
Picture 13. Alarms
A
B
C
L3
A
B
C
L3

ADJUSTING PARAMETERS (bC /bF)

These adjustments are common for all bC and bF programs.
Select by "MODE" [A] switch bC or bF program. Enter the
parameters programming mode by pressing at the same time
"MODE" [A] and "arrow up" switches for 5 seconds.
The indication "PC" appears on the display [D1].
Enter code "10" by arrow switches [3] and [4] to display [D2]
to enter the parameter programming mode. By pressing the
"MODE" [A] button again, the parameter setting is shown on
display [D2] and related value on the display [D3].
SP set point temperature
AtL low alarm differential
Ath high alarm differential
Atd temperature alarm delay
Ado door alarm delay
Adr peripheral address
To select nect/previous parameter press "arrow up/down" [3]
and [4] switches. Activate the parameter by pressing MODE [A]
switch. To modify the set point of the parameter can be
adjusted in the given limits by press the arrow up or down
switches [3] and [4]. The new value is spooled by pressing
MODE [A] button again. When all the changes required have
been done, the settings must be saved and returned to normal
operating mode by pressing at the same time "MODE" [A] and
"arrow up" [3] swithes for 5 seconds.
Note: the instrument has been programmed at the factory
to limit adjustment. You will not be able to adjust beyond
these limits.

ALARMS

Control unit is supplied with an audible and visual alarm. If a
malfunction takes place or the proces is disturbed, it starts to
alarm. On the displays you can see fl ashing one of the following
fault indications:

TEMPERATURE ALARMS

ON THE DISPLAY
D1 D2
Err Lot
Err hlt
Err ChL
ture
ON THE DISPLAY
D1 D2
Alr E1
Alr E2
Alr E3
Alr PF1...3
Alarm can be muted by pressing "MODE" [A] -button.
8
REASON FOR ALARM
too low temperature
too high temperature
too high condensing tempera-
PROBE ALARM
AIR (T1)
EVOPARATOR (T2)
CONDENSOR (T3)
PROBE 1...3