9.2
Internal cooling water system
Figure 9.1
Internal cooling water system, in-line engines (DAAE055613a)
System components:
HT-thermostatic valve
05
HT-cooling water pump
01
Charge air cooler (HT)
06
LT-cooling water pump
02
Connection piece
07
Charge air cooler (LT)
03
Lubricating oil cooler
04
Sensors and indicators:
HT-water temperature after CAC
TE432
HT-water pressure before cylinder jackets
PT401
LT-water pressure before CAC
PT471
HT-water temperature before cylinder jackets
TE401
LT-water temperature before CAC
TE471
HT-water temperature after cylinder jackets
TE402
LT-water temperature after CAC
TE482
HT-water temperature after cylinder jackets
TEZ402
LT-water stand-by pump start (if stand-by pump)
PS460
HT-water stand-by pump start (if stand-by pump)
PS410
Standard
Pressure class
Size
Pipe connections
ISO 7005-1
PN16
DN100
HT-water inlet
401
ISO 7005-1
PN16
DN100
HT-water outlet
402
DIN 2353
OD12
HT-water air vent
404
DIN 2353
OD28
Water from preheater to HT-circuit
406
ISO 7005-1
PN16
DN100
HT-water from stand-by pump
408
ISO 7005-1
PN16
DN100
LT-water inlet
451
ISO 7005-1
PN16
DN100
LT-water outlet
452
DIN 2353
OD15
LT-water air vent from air cooler
454
ISO 7005-1
PN16
DN100
LT-water from stand-by pump
457
86
Product Guide Wärtsilä 34DF - 3/2012
Product Guide
9. Cooling Water System