Ordering Information
Table 1
Product Numbers
110
Vac 50/60 Hz
*
LFL1.133-110V LFL1.333-110V LFL1.335-110V LFL1.635-110V
220
Vac 50/60 Hz
*
LFL1.133
LFL1.335 LFL1.635
Timing description
Pre-purge time
7.5 sec
26 sec
31 sec
55 sec
Pilot trial for ignition (PTFI)
2.5 sec
4 sec
4 sec
Main trial for ignition (MTFI)
2.5 sec
4 sec
Interval from the beginning of MTFI
until release to modulation
2.5 sec
10 sec
10.5 sec
Post purge time
12 sec
15 sec
12 sec
Flame failure response time (FFRT)
1 sec
*All times listed above are for 60 Hz operation. (Times for 50 Hz operation will be 20% longer.)
Description
Product Number
LFL Control unit
Refer to Table 1 above
(without wiring base)
Wiring base
AGM410490550
Flame sensor
UV (shown)
QRA 4.U
forward looking 3/4” NPT
UV
Refer to
QRA2… , QRA10 …
Technical Instruction 7712
Flame rod
By others
Wiring Base
The wiring base provides the following:
•
24 Terminals ______________
•
3 Ground connections __________________--
•
3 Neutral connections,
connected to terminal 2
3/12
Siemens Building Technologies
CC1N7451en
HVAC Products
11.15.2004
