4.13.3.4
Control box E72 or E73
The control box E72 (without SPC) or E73 (with SPC) is installed in the engine control room and
has switches below the LDU-20.
Fig 4-32
Control boxes E72 and E73
001
002
003
004
Legend
001
LDU-20
003
SPC bypass switch
002
SCR bypass switch
004
Conductor terminal block
X72-B
AA00-9270-00AAA-043B-A
Operation Manual
LP Selective catalytic reduction system
Winterthur Gas & Diesel Ltd.
- 124 -
Issue 003 2021-12