Basic Unit; Time Parameters; Figure 5: Example: Modulating Gas Burner - Siemens LME39 Series Basic Documentation

LME39...
14/73
Building Technologies Division
3

Basic unit


The housing is made of impact-proof, heat-resistant and flame-retarding plastic. It
is of plug-in design and engages audibly in the base

Burner controls LME39... and plug-in base AGK11.6 are silver-grey (RAL7001)

The housing accommodates the
– microcontroller for the program control and the control relays for load
control
electronic flame signal amplifier (ionization)
–
– lockout reset button with its integrated 3-color signal lamp for operational status
and fault status messages and the socket for connecting the interface OCI400...
adapter or the AGK20... lockout reset button extension

All safety-related digital inputs and outputs of the system are monitored by means
of a contact feedback network

The display and operating unit AZL2... is designed for direct connection to the
LME39...

The LME39... is operated and parameterized via the AZL2... or with the help of the
OCI410 / ACS410
 Burner capacity unlimited (thermal output on startup 120 kW)

3 repetitions in the event of loss of flame during operation (can be parameterized)
 Default setting: No repetition

Figure 5: Example: Modulating gas burner

The diagram shows the full scope of functions of the LME39... system. The actual
functions are to be determined based on the respective execution / configuration!

3.1 Time parameters

Parameterized times see Type summary.
Both the prepurge time and the safety times are safety-related and can be changed by
the OEM with the help of the display and operating unit AZL2... or
PC software ACS410.
Basic Documentation LME39...
3 Basic unit
CC1P7106en
03.02.2016