Installation and maintenance manual
INFINEE chillers
TECUMSEH EUROPE S&L
2 av. Blaise Pascal, 38090 Vaulx Milieu
Tel.: +33 (0)4 74 82 24 00 - www.tecumseh.com
ENGLISH
8
Version: 2020-01
Safety devices
The chiller is equipped with a high-pressure pressure switch. Their function is to protect the chiller in case
of high pressure increase (if the condenser is dirty, for example).
HP and LP safety valves
The presence of safety valves on the low and high pressure sides of the refrigerant circuit ensure
the protection of the chiller against any abnormal rise in pressure or exposure to external factors
(fire, abnormal source of heat, etc.). This device is intended to prevent the explosion of a
component of the circuit.
If the valve is triggered, the R290 is discharged outside the chiller (see diagram in Paragraph II-
4). Under no circumstances should the valve outlets be obstructed. Depending on the final
location, the installer must take appropriate security measures according to local and national
regulations.
Note that the chiller is classified according to EN378-1 as a closed ventilated indirect system. The
installer must integrate, on the water side, relief valves to de-gas the propane in case of
penetration of the latter in the water circuit. See Diagram (below)
Diagram:
ATEX
The compartment around the compressor is of type ZONE 2 (ATEX). It is essential that staff be
informed, trained and qualified. It is necessary to follow the local and national regulations of the
country in which this product is installed (installation, maintenance, etc.).
PED classification
Considering the PED ((Pressure Equipment Directive), the chiller is classified in Category II. It is
essential to follow European and local regulations of the country in which this product is installed
(installation, maintenance, etc.).
Occupied space
Section containing
R290 refrigerant
