Alpha InTec2 20SE Installation And Servicing Instruction page 32

Parameter G Sub menu s
S0 (min. fan speed)
Natural gas
S1 (max. fan speed)
Parameter G = NG
LPG
S1 (max. fan speed)
Parameter G = LG
S2 (ignition fan speed)
Note: These must be set to the correct values relating to the boiler installed. When changed 'E62' will be displayed and full
calibration is required. See Section 5.13.
Parameter Feature
P0
DHW max.
P1
Min. output
DHW and CH
P2 Heating max.
P3
Relay 1
(optional)
P4
Relay 2
(optional)
P5 Relay 3
(optional)
P6
Pump functioning
P7
External sensor
correction
P8
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32
Alpha InTec² 20SE and 30SE - Commissioning
Fan speed set values according to boiler model and 'F0' parameter (flue setting)
InTec 20SE
2
F0 parameter setting
F0 = 0 F0 = 1
12 13
(1275 rpm) (1300 rpm)
42 44
(4200 rpm) (4450 rpm)
41 43
(4100 rpm) (4350 rpm)
39 39
(3950 rpm) (3950 rpm)
Description
The maximum output of the boiler during DHW production as a
percentage of the maximum available output
The minimum heat output of the boiler during DHW and CH
production as a percentage of the available heat output
The maximum output of the boiler during CH production as a
percentage of the maximum available output
Boiler functions/configurations when optional relay PCB is fitted
0 = Off
1 = Main zone control (with Climatic controller)
2 = General alarm
3 = CH phase active (external pump)
4 = External gas valve power supply
5 = Flow Smart enabled
6 = Diverter valve enabled
7 = When boiler pump active
Boiler functions/configurations when optional relay PCB is fitted
0 = Off
1 = General alarm
2 = CH phase active (external pump)
3 = External gas valve power supply
4 = Secondary zone control (volt free switching across
57 & 58 on relay PCB contacts)
5 = Heat pump function with dedicated controls
6 = Alpha Trace heating cable enabled
7 = When boiler pump active
Boiler functions/configurations when optional relay PCB is fitted
0 = Off
1 = Chiller remote activation (with Climatic controller)
2 = General alarm
3 = CH phase active (external pump)
4 = External gas valve power supply
5 = Heat pump function with dedicated controls
6 = Activation of storage tank pump (with Climatic controller)
7 = Main zone control (with Climatic controller)
8 = Alpha Trace heating cable enabled
9 = When boiler pump active
The pump can function in two ways.
0 Intermittent - In Winter mode the pump is managed by the
room thermostat or by the remote control
1 Continuous - In Winter mode the pump is always on
If the reading of the external sensor is incorrect it is possible to
offset the reading.
(Over the value of +9 the display shows 'CE', for external control
connection only used with system supervisor connection)
Not used on this boiler model
InTec
F0 parameter setting
F0 = 2 F0 = 0
13 14
(1425 rpm)
(1350 rpm) (1400 rpm)
47 61
(4700 rpm) (6100 rpm) (6300 rpm)
46 60
(4600 rpm) (6000 rpm) (6250 rpm)
37
39
(3950 rpm) (3700 rpm) (3700 rpm)
30SE
2
F0 = 1 F0 = 2
14 14
(1450 rpm)
63 64
(6400 rpm)
62 63
(6300 rpm)
37 37
(3700 rpm)
Range Default
0 - 99 % 99 %
0 - P2 0 %
0 - 99 %
20SE - 99 %
20SE (LPG) - 99 %
30SE - 99 %
30SE (LPG) - 99 %
0 - 7 1
0 - 7 6
0 - 9 0
0 - 1 0
-9 +9 °C 0
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