Mechanical Design; Type Summary - Siemens LMO14 Series Manual

Mechanical design

Indication and diagnosis

Type summary

Type reference Mains
voltage
Standard versions
LMO14.111B2 AC 230 V
LMO14.111B1 AC 110 V
LMO14.113B2 AC 230 V
LMO24.111B2 AC 230 V
LMO24.111B1 AC 110 V
LMO24.113B2 AC 230 V
LMO24.255B2 AC 230 V
Version for flash-steam generators
LMO24.011B2 AC 230 V
Suited for direct-fired air heaters
LMO44.255B2 AC 230 V
Legend
4/12
Siemens Building Technologies
HVAC Products
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.
The housing accommodates the
microcontroller, which controls the control sequence, and the control relays for load
-
control
electronic flame signal amplifier
-
lockout reset button with its integrated 3-color signal lamp for operational status
-
and error messages and the socket for connecting the interface adapter OCI400
Multicolor indication of operational status and error messages
-
Transmission of operational status and error messages and detailed service infor-
-
mation through additional interface adapter OCI400 and PC Windows software
ACS400
Fuel Burner ¹)
valve capacity
stages
1 < 30 kg / h ·
·
1 < 30 kg / h
1 < 30 kg / h ·
·
2 < 30 kg / h
2 < 30 kg / h ·
·
2 < 30 kg / h
·
2 </> 30 kg/h
·
2 < 30 kg / h
2 </> 30kg / h ·
TSAmax. Maximum ignition safety time
tw Waiting time
t1 Prepurge time
t1' Purge time
t3 Preignition time
t3n Postignition time
t4 Interval from flame signal to release of «BV2»
Bridging contact for oil preheater
¹)
Remote
reset
tw t1 / t1´
max. min.
· 5 s 15 / 16 s
·
5 s 15 / 16 s
· 5 s 15 / 16 s
·
5 s 15 / 16 s
· 5 s 15 / 16 s
·
5 s 15 / 16 s
·
5 s 25 / 26 s
·
5 s 5 / 6 s
· 5 s 25 / 26 s
Times
TSA- t3 t3n t4
max. min. max. min.
10 s 15 s 10 s ---
10 s 15 s 10 s ---
10 s 15 s 3 s ---
10 s 15 s 10 s 15 s
10 s 15 s 10 s 15 s
10 s 15 s 3 s 15 s
5 s 25 s 5 s 15 s
10 s 5 s 10 s 15 s
5 s 25 s 5 s 5 s
Comparable
type of
LOA...
LOA24.171B27
LOA26.171B27
LOA36.171A27
LOA24.171B17
LOA24.173A27
LOA24.171B27
LOA26.171B27
LOA36.171A27
LOA24.171B17
LOA24.173A27
---
LOA24.571C27
LOA44.252A27
CC1N7130en
15.10.2002