IFD 258 · Edition 03.12l
39
44
ซ
.
บรมราชชนนี
70
ถ
.
บรมราชชนนี
ศาลาธรรมสพน์
ทวีวัฒนา
กทม
. 10170.
โทร
: 02-888-3472
Line ID: @add11 e-mail: [email protected]
12
Glossary
12 .1 Waiting time
t
W
signal is detected. The safety time on start-up t
SA
(3, 5 or 10
s) is the minimum operating time of the burner and
automatic burner control unit.
12 .3 Ignition time t
Z
If no malfunction is detected during the waiting time t
W
, the
ignition time t
Z
then starts to elapse. Voltage is sup- plied to
the gas valve V1 and the ignition transformer and the
burner is ignited. The duration of the ignition time is either
2, 3 or 6 seconds, see page 35 (Techni- cal data).
Once the start-up signal
has been applied, the wait- ing
time t
W
starts to elapse. During this time, a self-test is
conducted to detect errors in internal and external circuit
components. If no malfunction is detected, the burner will
start up.
12 .2 Safety time on start-up t
SA
This refers to the period of time between switching on and
switching off of the gas valve V1, when no flame
01
04
88
1
L1
3
10
11
5
13-14
8-9
tW tZ
t
tSA
01
0
88
1
L1
3
10
11
5
13–14
8–9
tW tZ
t
tSA
01
04
88
1
L1
3
10
11
5
13-14
8-9
tW
tZ
tSA
t