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Building Technologies
Basic Documentation LMV27...
CC1P7541en
4 Technical Data
17.12.2018
4.1.4 Cable lengths
Mains line AC 230 V
Max. 100 m (100 pF/m)
Display, BCI
For installation under the burner hood or
in the control panel
Max. 3 m (100 pF/m)
Load controller X5-03
Max. 20 m (100 pF/m)
Safety loop / burner flange (total)
Max. 20 m (100 pF/m)
External lockout reset button
Max. 20 m (100 pF/m)
Safety valve
Max. 20 m (100 pF/m)
Load output ¹)
Max. 10 m (100 pF/m)
Fuel valve V1 / V2 / V3
Max. 3 m (100 pF/m)
Pilot valve
Max. 3 m (100 pF/m)
Ignition transformer
Max. 3 m (100 pF/m)
Other lines
Max. 3 m (100 pF/m)
¹) Do not run the cable together with other cables. If not observed, hum voltage might
cause electromagnetic interference
Specification as per EN 60730-1
Type of shutdown or interruption of each circuit
Shutdown with microswitch
1-pole
Mode of operation
Type 2 B
4.1.5 Cross-sectional areas
The cross-sectional areas of the mains power lines (L, N, and PE) and, if required, the
safety loop (safety limit thermostat, water shortage, etc.) must be sized for rated
currents according to the selected external primary fuse. The cross-sectional areas of
the other cables must be sized in accordance with the internal unit fuse (max. 6.3 AT).
Min. cross-sectional area
0.75 mm²
(single- or multi-core as per VDE 0100)
Cable insulation must meet the relevant temperature requirements and environmental
conditions.
Fuses (F1) used inside the LMV27
6.3 AT DIN EN 60127 2 / 5
4.1.6 Connections of actuators
The ready connected actuator cables must not be extended.