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Honeywell krom schroeder IFD 258 - Glossary; Waiting time tw; Safety time on start-up tsa; Ignition time tz

Honeywell krom schroeder IFD 258
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IFD 258 · Edition 03.12l
39
44 .บรมราชชนนี 70 .บรมราชชนนี ศาลาธรรมสพน์ ทวีวัฒนา กทม. 10170.
website: https://www.add-furnace.com/ โทร: 02-888-3472
Line ID: @add11 e-mail: add028883472@gmail.com
12
Glossary
12
.
1
W
a
i
ti
n
g
ti
m
e
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
I
g
n
i
ti
o
n
ti
m
e
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
S
af
e
t
y
ti
m
e
o
n
s
t
a
r
t
-
u
p
t
S
A
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
t
W
t
Z
t
t
SA
01
0
88
1
L1
3
10
11
5
1314
89
t
W
t
Z
t
t
SA
01
04
88
1
L1
3
10
11
5
13-14
8-9
t
W
t
Z
t
SA
t

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