Glossary; Waiting Time T W; Safety Time On Start-Up T; Ignition Time T - Honeywell krom schroeder IFD 258 Manual

12

Glossary

12 .1 Waiting time
t
W
01
t W
t Z
t SA
Once the start-up signal  has been applied, the wait- ing
time t starts to elapse. During this time, a self-test is
W
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

01
t W
t Z
t SA
This refers to the period of time between switching on and
switching off of the gas valve V1, when no flame
IFD 258 · Edition 03.12l
88
0
1
L1
3
10
11
5
13–14
8–9
t
SA
88
04
1
L1

3
10
11
5
13-14
8-9
t
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signal is detected. The safety time on start-up t
s) is the minimum operating time of the burner and
automatic burner control unit.

12 .3 Ignition time t

If no malfunction is detected during the waiting time t
ignition time t then starts to elapse. Voltage is sup- plied to
Z
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).
01
t W
t Z
t SA
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SA
Z
04 88
1
L1

3
10
11
5
13-14
8-9
(3, 5 or 10
, the
W
t
39