Frigo
1
Explanation of symbols
!
WARNING!
Safety Instruction: Failure to observe this instruction can cause fatal or seri-
ous injury.
!
CAUTION!
Safety Instruction: Failure to observe these instructions can lead to injury.
A
CAUTION!
Failure to observe this instruction can cause material damage and impair the
function of the device.
I
NOTE
Supplementary information for installing the product.
These installation instructions are intended for installers who have professional expertise
and experience in the area of vehicle air conditioning and transport refrigeration engineer-
ing. These are not a substitute for a thorough knowledge of vehicle refrigeration engineer-
ing. These installation instructions are to facilitate the installation of Frigo cooling systems.
These installation instructions do not present all installation steps in their entirety!
2
Instruction sheet
Please read prior to installing the cooling system!
We would like to point out a few important things to you before you commence installation
of the Frigo cooling system:
2.1
Which refrigerant should be used?
The Frigo cooling system is filled with R134a refrigerant for temperatures down to a mini-
mum of + 0 °C. The cooling system is filled with R404a refrigerant for a temperatures down
to –18 °C.
2.2
Which compressor oil should be used?
For Frigo cooling systems using R134a please use the familiar PAG oils. For cooling systems
using R404a, please use a POE 68 oil.
4
Explanation of symbols