Operation Manual

Technical specifications
Power supply
Rated voltage
AC 230 V (10% / -15%)
Rated frequency
50 Hz (5%)
Maximum power consumption
LMU 7, 17 VA
Terminal strip wiring
(Supply and outputs)
Solid or stranded wire
(twisted or with conductor end sleeve):
1 conductor: 0.5 mm
2
...2.5 mm
2
2 conductors 0.5. mm
2
..1.5 mm
2
Functional data
Software class
Controller class A
Automatic burner controller class C
Mode of operation per EN 60730
1b (automatic operation)
Inputs
DHW flowswitch
safety shutoff
Gas pressure sensor Programmable input
Poom thermostats 1 and 2
RAC 26 V at 10 mA
Outdoor sensor input
Sensor inputs: Boiler supply, boiler
return, storage tank sensor, sensor at
Clip-IN AGU 2500, 2514
NTC1k (QAC34)
NTC10k (QAZ36, QAD36)
Sensor wiring (Cu) specifications
For wire cross-section: [mm
2
]
0.25
0.5
0.75
1.0
1.5
Maximum length: [m]
20
40
60
80
120
Outputs
Relay outputs
Rated voltage range
Maximaler Gesamt-Strom (aller Relais)
Bemessungsspannungsbereich
AC 0.05...1 (1) A for fuel valves and ext.
ignition 0.5 A
AC 5 A
AC (230) V (+ 10 % / - 15 %)
Interfaces
BSB
Maximum length of run:
LMU 7- peripheral device
Maximum total wire length
Minimum cross-section
2 wire connection, not interchangeable
200 m
400 m (maximum cable capacitance: 60 μF)
0.5 mm
2
Protection category and
protection class
Enclosure protection class as per
EN 60529
IP 00
Protection category as per EN 60730
Safety extra low-voltage components
correspond to protection category II when
properly installed
Level of contamination as per EN 60730
2
Standards, safety, EMC, etc.
CE conformance as per EMC standard
Low voltage standard
89/336/EWG
73/23/EWG
Climatic conditions
Storage as per IEC721-3-1 Class 1K3
Temp. -20...60°C
Transport as per IEC721-3-2 Class 2K3
Temp. -20...60°C
Operation as per IEC721-3-3 Class 3K3
Temp. 0...60°C (noncondensing)
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