Ordering Information; Wiring Base - Siemens LFL Series Technical Instructions

Ordering Information

110
Vac 50/60 Hz
220
Vac 50/60 Hz
Timing description
Pre-purge time
Pilot trial for ignition (PTFI)
Main trial for ignition (MTFI)
Interval from the beginning of MTFI
until release to modulation
Post purge time
Flame failure response time (FFRT)

Wiring Base

Siemens Building Technologies
HVAC Products
Table 1
*
*
*All times listed above are for 60 Hz operation. (Times for 50 Hz operation will be 20% longer.)
Description
LFL Control unit
(without wiring base)
Wiring base
Flame sensor
UV (shown)
forward looking 3/4" NPT
UV
QRA2... , QRA10 ...
Flame rod
The wiring base provides the following:
• 24 Terminals
______________
• 3 Ground connections
• 3 Neutral connections,
connected to terminal 2
Product Numbers
LFL1.133-110V LFL1.333-110V LFL1.335-110V LFL1.635-110V
LFL1.133
7.5 sec 26 sec
2.5 sec 4 sec
2.5 sec
2.5 sec 10 sec
12 sec 15 sec
__________________--
LFL1.335 LFL1.635
31 sec 55 sec
4 sec
4 sec
10.5 sec
12 sec
1 sec
Product Number
Refer to Table 1 above
AGM410490550
QRA 4.U
Refer to
Technical Instruction 7712
By others
CC1N7451en
11.15.2004
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