Table 24 Parameters
No Definition
1
CH water SET temperature range (
2
DHW SET temperature range (
3 Minimum power (%)
4 Maximum power (%)
5 Ignition power (%)
6 Anti-cycling time (min)
7 DHW ON-OFF flow rate (
8 DHW delay time (
9 OTC curve foot point
Outside temperature limiting
10
set point
11 Pump control mode
12 Modulation start point ∆T (F/R), if return sensor existing
Level 4 (fault history)
3
- Press PB3 service push-button 4 times, and see "
- Press PB2 user push-button progressively to reach the last 8 error codes
Table 25
7 segment display
1st
after pressing
after pressing
PB2
PB3
progressively
4 times
L 4
th
- After the 9
press PB2, the display goes back to "
o
C)
o
C)
ltr/min)
sec)
o
(
C)
Description
2nd
88
st
1
press: error code
88
nd
2
press: error code
rd
88
3
press: error code
88
th
4
press: error code
th
88
5
press: error code
th
88
6
press: error code
th
88
7
press: error code
88
th
8
press: error code
F1: ON=3 OFF= 2,5
F2: ON=3,5 OFF= 3
d1: 0
d2: 1
o1: inactive
o2: active
P1: Mode 1
P2: Mode 2
o
(
C)
L 4 "
on the 7 segment display.
L 4 "
.
Range
Default
40 – 80
-
35 – 60
-
0 – 30
3
80 – 100
100
20 – 70
50
0 – 15
3
-
F1
-
-
d1
-
10 - 50
25
-
o1
-
-
P2
10 - 30
20
37
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