Figure 9.2
Internal cooling water system, V-engines (DAAE080921)
System components:
HT-thermostatic valve
05
HT-cooling water pump
01
Shut-off valve
06
LT-cooling water pump
02
Charge air cooler (HT)
07
Charge air cooler (LT)
03
Lubricating oil cooler
04
Sensors and indicators:
HT-water temp. after cylinder jackets, A-bank
TEZ402
HT-water stand-by pump start (if stand-by pump)
PS410
HT-water temp. after cylinder jackets, B-bank
TEZ403
HT-water pressure before cylinder jackets
PT401
LT-water stand-by pump start (if stand-by pump)
PS460
HT-water temperature before cylinder jackets
TE401
LT-water pressure before CAC
PT471
HT-water temp. after cylinder jackets, A-bank
TE402
LT-water temperature before CAC
TE471
HT-water temp. after cylinder jackets, B-bank
TE403
LT-water temperature after CAC
TE482
HT-water temperature after CAC
TE432
Standard
Pressure class
Size
Pipe connections
ISO 7005-1
PN16
DN125
HT-water inlet
401
ISO 7005-1
PN16
DN125
HT-water outlet
402
DIN 2353
OD12
HT-water air vent
404
ISO 7005-1
PN40
DN32
Water from preheater to HT-circuit
406
ISO 7005-1
PN16
DN125
HT-water from stand-by pump
408
ISO 7005-1
PN16
DN125
LT-water inlet
451
ISO 7005-1
PN16
DN125
LT-water outlet
452
DIN 2353
OD12
LT-water air vent
454
ISO 7005-1
PN16
DN125
LT-water from stand-by pump
457
Product Guide Wärtsilä 34DF - 3/2012
87
Product Guide
9. Cooling Water System