Bukh D4 - Page 131

Cooling System
Volume
Fresh water system volume (ca) D4: 13 litre (3.4 US gal)
D6: 16.5 litre (4.4 US gal)
Thermostat
The thermostats begins opening/fully open 82°C / 92°C (179.6°F / 197.6°F)
Water Quality
ASTM D4985:
Total solid particles <340 ppm
Total hardness <9,5° dH
Chloride <40 ppm
Sulfate <100 ppm
pH value 5.5–9
Silica (acc. ASTM D859) <20 mg SiO
2
/l
Iron (acc. ASTM D1068) <0.10 ppm
Manganese (acc. ASTM D858) <0.05 ppm
Conductivity (acc. ASTM D1125) <500 µS/cm
Organic content, COD
Mn
(acc. ISO8467) <15 mg KMnO
4
/l
Electrical System
System voltage 12V 24V
AC generator
voltage/max. amperage 14V/115A 28V/80A
output, approx. 1610W 2240W
Battery capacity 2 connected parallelly 12V, max.
88Ah
2 connected in series 12V, max.
88Ah
Battery electrolyte density at +25°C:
fully charged battery
1,28 g/cm
3
(1,24 g/cm
3
)
(1)
1,28 g/cm
3
(1,24 g/cm
3
)
(1)
battery recharged at
1,24 g/cm
3
(1,20 g/cm
3
)
(1)
1,24 g/cm
3
(1,20 g/cm
3
)
(1)
1) Applies to batteries with tropical acid.
Technical Data
132 47708085 11-2016 © Bukh