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Please read this notice in full.
The implementation, operation, maintenance and end-of-life management of products involves following strict rules in accordance with existing
standards and best practices. Current standards and legislation should be respected in the country where the compressor is installed, and the rules
of good refrigeration and electrical installation practice should be applied.
CAUTION: SAFETY FIRST
NEVER ENERGIZE THE SYSTEM UNLESS:
1- The protective cover is securely fastened
2- The compressor is properly connected to ground
1. STATEMENTS OF COMPLIANCE AND INCORPORATION
These refrigeration compressors are designed to be incorporated into machines in accordance with the Machinery Directive 2006/42/EC. They
comply with the Low voltage Directive 2014/35/EU and the PED Directive 2014/68/EU.
Their commissioning is only permitted if they have been assembled in accordance with the following instructions, and if the machines comply with
existing regulations.
In case of the use of A2L,A2, A3-classified refrigerants following ISO 817, follow the safety rules specific to flammable fluids. The compressors will
be installed, maintained in accordance with ISO 5149 or EN 378 or EN60335-2 safety standards.
2. SAFETY AND RISKS ASSOCIATED WITH THE IMPLEMENTATION AND USE OF FLAMMABLE REFRIGERANTS,
CLASSIFIED AS CATEGORY A2L, A3, A2
2.1. Ventilation
Minimum compressor ventilation flow
2.2. Flammable refrigerants
Their main features are:
Security class
Lower flammability limit under normal conditions
in volume/volume according to ISO 817
Lower flammability limit under normal conditions
Practical limit 20% LFL
Self-inflammation temperature (following ISO 817)
Never use the product without referring to the Safety Data Sheet (S.D.S.) provided by refrigerant supplier/manufacturer.
2.3. Scope of application of standards for refrigeration systems using flammable fluids
Subject to local regulations, the quantities of flammable fluids that can be used in refrigeration systems are defined in the standards for these
products, such as EN 60335-2-40, EN 60335-2-89 or EN 378.
2.4. Preventing the formation of potentially explosive zones
The use of flammable fluids may present a risk of ignition in the event of a leak. It is therefore important to ensure that the refrigeration system
design and adequate compressor ventilation to avoid risk of formation of an explosive zone.
2.5. Staff Qualification
To maintain and repair the installations, staff must be authorised to handle refrigerants and correctly trained in the handling of flammable
refrigerants in order to avoid the risk of the formation of an explosive atmosphere.
11 • TECUMSEH.COM
Application
Refrigerant
R-1234yf
A2L
%
6,2
kg/m
0,289
3
g/m
57,8
3
°C
405
(473 supplier data)
INSTALLATION INSTRUCTIONS
CA and HP
900 m
/h
3
R-1270
R-455A
A2L
A2L
6,2
11,8
0,293
0,431
59
86
ND
ND
(> 400 supplier data)
FH
2
MHBP and LBP
900 m
/h
3
R-290
A3
2.1
0,038
7,6
470
SP6026 IND. E
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