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12. LIST OF FAULTS
Fault
10
External probe sensor
84
BSB, address conflict
98
Additional module 1
99
Additional module 2
373
Additional module 3
30
Flow sensor 1
32
Flow sensor 2
260
Flow sensor 3
335
BX21 no function
336
BX22 no function
324
BX same sensors
52
DHW 2 sensor
73
Manifold 1 probe
57
DHW circulation sensor
243
Swimming pool sensor
25
Wood boiler sensor
346
No Q10 boiler pump
13. TECHNICAL SPECIFICATIONS
Power input
Input voltage
Operating frequency
Power input
Power supply fuse (power supply and outputs)
Cables
Rigid or flexible wire (braided or with ferrule)
one-pole
two-pole
Operating data
Software class
Operating mode EN 60 730
Inputs
Digital input H2
very low safety voltage for clean contact
low voltage contact
voltage with contact open
current with contact closed
Analogue input H2
Very low protection voltage
range
internal resistance
Input L
internal resistance
Input sensors BX21, BX22
permitted connection cables (copper)
cross-section
maximum length
Outputs
Output relay
current range
maximum starting current
maximum current (for all relays)
voltage range
Interface
BSB
length of base unit - peripherals
total length
cable cross-section
Description of fault
Heating circuit enabled with no command (thermostat, room unit or external unit) or external probe faulty
2 or more room units configured for the same heating circuit
AGU 2.550 accessory not detected or recognised
AGU 2.550 accessory not detected or recognised
AGU 2.550 accessory not detected or recognised
Mixed circuit 1 sensor not detected
Mixed circuit 2 sensor not detected
Mixed circuit 3 sensor not detected
BX21 sensor not configured
BX22 sensor not configured
Two or more sensors configured for the same function
DHW solar sensor not detected
Solar manifold sensor not detected
DHW circulation sensor not detected
Swimming pool sensor not detected
Biomass boiler sensor not detected
Biomass boiler pump not detected
AC 230 V (±10 %)
50/60 Hz
4 VA
max. 10 AT
-
0.5...2.5 mm
2
0.5...1.5 mm
2
A
1b (automatic operation)
-
-
-
DC 12 V
DC 3 mA
-
-
DC 0..10 V
> 100 kW
AC 230 V (±10%)
> 100 kW
NTC 10k
-
mm
0.25
2
m
20
-
AC 0.02...2 (2) A
15 A for ≤1 s
AC 6 A
AC 24...230 V (for clean contact)
connection with 2 cables, not interchangeable
max. 200 m
max. 400 m (maximum capacity of cable 60nF)
0.5 mm
2
35
0.5
0.75
1.0
40
60
80
7104900.03 (1-11/13)
1.5
120
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