Aisin YOSHI AWS E1J TWIN, Installation Manual, Page: 34 / 60

34
Use mixtures of water and antifreeze fluid to lower the freezing point of water. The liquid most
commonly used as antifreeze is ethylene glycol. The table shows the reduction factors of the
cooling capacity and the capacity of the pump of the AWS as a function of the water temperature
and percentage by weight of glycol in the mixture.
Water Glycol Reduction factor of the
cooling capacity
Reduction factor of the
pump flowrate
°C % kg - -
-2 5 0,995 0,99
-4 10 0,990 0,98
-6 15 0,985 0,96
-9 20 0,980 0,94
-12 25 0,975 0,92
-15 30 0,970 0,90
-19 35 0,965 0,88
-23 40 0,960 0,86
-29 45 0,955 0,83
-35 50 0,950 0,80
4.1 Selecting the location for installation
WARNING
•
The unit MUST NOT be installed where flammable gas is generated, accumulated or
handled.
Failure to observe this prescription could result in damage of the unit, injury, fire or
explosion.
•
The AWS unit is for outdoor and indoor installation. Read the present manual carefully to
select a proper installation location. Make sure maintenance space is provided around the
unit.
•
If the unit is installed at high location, provide a safe access by installing ladders or
railings for the operator.
•
Always install the AWS unit in an area where its smooth operating noise and small vibration won’t be a
disturb for the neighbours, particularly in residential areas. Comply to local standards where prescribed.
•
Always install the AWS unit in a level location where rainwater cannot accumulate. Provide proper drain
routes.
•
Always install the AWS unit in a location where it won’t be exposed to strong winds. Provide proper
anchor bolts.
•
The AWS unit might cause slight interference with other electrical equipment, such as televisions, radios,
computers and telephones. Provide proper clearances.
•
If the AWS unit is installed in a region with heavy snowfall, install a snow protection hood. The base for
the unit is high enough to avoid accumulation of snow in front of the body panels.
•
Allocate the route for loading/unloading the unit, materials and parts for maintenance at the installation
site.
3 Use of water and glycol mixture
4 Installation