Tab 11-14 Miscellaneous items (XX45NN to XX52NN)
Description
Usual oper-
ation (value
or range)
Safeguard setting
Medium / physical value / location
Signal number Func-
tion
Le-
vel
Trigger
value
De-
lay
Thrust bearing
Pad / temperature [°C] / thrust bearing
(AHEAD)
45 to 75
TE4521A
ALM
H
≥
80
0
SLD
H
≥
85
60
-
TS4521S
SHD
H
≥
90
60
Cylinder liner
Wall / temperature [°C] / each cylinder liner
aft side
≤
230
TE4801-nnC
ALM
H
≥
250
0
SLD
H
≥
270
60
Wall / temperature [°C] / each cylinder liner
fore side
≤
230
TE4841-nnC
ALM
H
≥
250
0
SLD
H
≥
270
60
Powertrain
Crankshaft / speed [% of CMCR] / crankshaft
-
ST5111-12S
SHD
H
≥
110
0
Tachometer turbocharger
Impeller shaft / overspeed [rpm] / each ABB
turbocharger
-
ST5201-nnA
ALM
H
refer to
0
Impeller shaft / overspeed [rpm] / each MHI
turbocharger
-
ST5201-nnA
ALM
H
refer to
0
1
For ABB TC the alarm value is 0.97 x nMax on rating plate (nMax usually referred to as nMmax in 1/
s).
2
For MHI TC the alarm value is 0.95 x nMax on rating plate (nMax usually referred to as overspeed in
rpm).
X72-B
AA00-0000-00AAA-033B-A
Operation Manual
List of usual values and safeguard settings
Winterthur Gas & Diesel Ltd.
- 497 -
Issue 003 2021-12
