Installation Notes - Siemens LMO14 Series Manual

Warning notes
ARK21...
Mounting notes

Installation notes

Electrical connections of the flame detectors
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Siemens Building Technologies
HVAC Products
To avoid injury to persons, damage to property or the environment, the following
warning notes should be observed!
Do not open, interfere with or modify the unit!
·
Before performing any wiring changes in the connection area of the LMO..., com-
pletely isolate the burner control from the mains supply (all-polar disconnection)
·
Ensure protection against electric shock hazard by providing adequate protection
for the burner control's connection terminals
·
Check to ensure that wiring is in an orderly state and that the wires are firmly con-
nected
·
Press the lockout reset button / operation button only manually (applying a force of
no more than 10 N), without using any tools or pointed objects
· Fall or shock can adversely affect the safety functions. Such units may not be put
into operation, even if they do not exhibit any damage
·
When replacing LOA26... or LOA36..., any remote lockout reset module ARK21...
or similar modules contained in the burner or boiler must be removed
· Ensure that the relevant national safety regulations are complied with
·
Installation work must be carried out by qualified staff
· Always run the high-voltage ignition cables separately while observing the greatest
possible distances to the unit and to other cables
·
Install switches, fuses, earthing, etc., in compliance with local regulations
·
Ensure that the maximum permissible amperages will not be exceeded (refer to
«Technical data»)
·
Do not feed external mains voltage to the control outputs of the unit. When testing
the components controlled by the burner control (fuel valves, etc.), the LMO... may
never be plugged in
·
Do not mix up live and neutral conductors
It is important to achieve practically disturbance- and loss-free signal transmission:
·
Never run the detector cable together with other cables
– Line capacitance reduces the magnitude of the flame signal
– Use a separate cable
·
Observe the maximum permissible lengths of the detector cables (refer to «Techni-
cal data»)
CC1N7130en
15.10.2002