Recommended Water For Coolant; Long Life Coolant (Llc); Genuine Llc; Table 6-1 Water Quality Standards - Mitsubishi S16R-Y1PTA Operation & Maintenance Manual

Note: In this operation manual, the word "coolant" represents the liquid combined water and LLC.

Recommended water for coolant

Use soft water for the engine cooling system. The water quality must meet the requirements in the Table below.
Basically, the water quality should be within the recommended value, however, up to the limit is acceptable.
Item
pH (25°C [77°F])
Electrical cinductivity
(25°C [77°F])
Total hardness
M alkalinity
Chlorine ion
Sulfuric acid ion
Total iron
Silica
Residue from evaporation
Note: Figures in parentheses are the standard value. In addition to the items specified above, turbidity is specified to
be below 15 mg/liter.

Long life coolant (LLC)

Should coolant or LLC be accidentally swallowed, induce vomiting immediately and seek medical attention. If LLC
should enter eyes, flush immediately with plenty of water and seek medical attention.
Be sure to use Mitsubishi Heavy Industries, Ltd. genuine long life coolant (LLC) "GLASSY long life coolant (Ethyl-
ene glycol type)" or "PG GLASSY long life coolant (Non-amine type)" as coolant. When using other brand LLCs by
necessity, be sure to use the LLC that meets the specification in Mitsubishi Heavy Industries, Ltd. Mitsubishi heavy
industries, Ltd. disclaim the warranty claim concerning malfunctions caused by the use of LLC that does not meet
the following specification.

Genuine LLC

Mitsubishi Heavy Industries, Ltd. recommends the use
of our genuine long life coolant "GLASSY long life
coolant (Ethylene glycol type)", and Eco-friendly prod-
uct "PG GLASSY long life coolant (Non-amine type)",
which are most appropriate coolant for diesel engine
from Mitsubishi Heavy Industries, Ltd.

Table 6-1 Water quality standards

Chemical
Unit
symbol
- -
- mS/m
CaCO ppm
3
CaCO ppm
3
-
Cl ppm
4 2-
SO ppm
Fe ppm
SiO ppm
2
- ppm
Chapter 6 COOLANT
Recommend
Limit
value
6.5 to 8.0 6.5 to 8.5
< 25 < 40
< 95 < 100
< 70 < 150
< 100 < 100
< 50 < 100
< 1.0 < 1.0
< 30 < 50
< 250 < 400
Fig. 6-1 GLASSY - LLC
Main adverse effect
Corrosion and rust, scale
formation
Corrosion and rust, scale
formation
Scale formation
Scale formation
Corrosion and rust
Corrosion and rust
Scale formation
Scale formation
Scale formation
6-1