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- Page 1 AG/TAG Complete Installation Instructions TECUMSEH EUROPE Sales and Logistics 2, avenue Blaise Pascal, 38090 Vaulx-Milieu, France Tel.: +33 (0)4 74 82 24 00 info@tecumseh.com www.tecumseh.com SP6024 ind C SP6024 ind C 04/2022...
- Page 2 ISO 5149 or EN 378 or EN60335-2 safety standards The designations of the compressors in question are AG****U for R1234yf, AG****N for R455A and AG****P for R454C and R454C. Safety and risks associated with the implementation and use of flammable refrigerants, classified as Category A2L 2.1.
- Page 3 The installation of the terminal cover protects the tripolar terminal from shocks in normal use. Also, especially when using flammable fluids, Tecumseh advocates the use of a security system to protect users, interveners and installation. The system will be able to detect a spike in intensity that could melt the insulation (the phenomenon of "pin venting"), and will thereby cut off the compressor's power supply.
- Page 4 AG/TAG Specifications - Marking compressors in the AG range AGP **** and TAGP **** products are intended for parallel assembly. AGD and TAGD are assembled as a duo, and AG-TR and TAG- TR as a trio. 3.1. Identification label and designation: AG****N, TAG****Z and C compressors are grade II certified under the 2014/68/EU PED Pressure Equipment Directive.
- Page 5 The housing of the compressors in the ‘AG’ family is subject to the low pressure of the refrigeration system. In line with the PED and in order to ensure the best level of quality of its products at all times, Tecumseh tests each compressor on an assembly line at a pneumatic pressure which is greater than or equal to the requirement 1.1 x PS, regardless of the refrigerant indicated...
- Page 6 The refrigerant charge should not exceed the amount that can be stored under high pressure. When it is likely to migrate into the compressor during downtime, or when it is greater than 1.5 Kg, Tecumseh recommends the use of a casing heater and/or an non return valve on the pressure pipe.
- Page 7 Cut and shape the tubes carefully, to prevent dust and metal particles from entering the system. Never use a saw. Use a bending tool adapted to the diameter of the tube to avoid excessive restrictions. Tecumseh recommends solder connections instead of “dudgeon-type” screwed fittings to limit the likelihood of leakage over time. Screwed fittings on a flat surface via a joint are acceptable.
- Page 8 Electrical connections Electrical connections will be made before the refrigeration system is loaded with refrigerant. To preserve the quality of the Tecumseh compressor and the safety of the installation and ensure their proper operation, it is imperative to: - Always wire the compressor when it is switched off.
- Page 9 Refrigerant charge, powering up and maintenance: If the following manipulations are performed in potentially explosive atmospheres, Tecumseh recommends referring to Standard EN 378. Part 4 prescribes the general safety guidelines and provides guidelines for interventions in equipment using flammable refrigerants.
- Page 10 - Check the operation of the oil heater, if present. Tecumseh compressors are protected by an external or internal protective organ, the principle of which is based on a temperature/current combination. Like any protective body, it is normal for the compressor to shut off power when it is operating outside the manufacturer's defined ranges.
- Page 11 AG/TAG Wherever possible, the refrigeration system operating with a fluid classified as an A2L category will be transported to a workshop adapted to its maintenance. Check that the pressure of the refrigeration system will not be a danger factor during the intervention (projection of parts, refrigerant etc.).
- Page 12 Tecumseh also advises recycling the compressor oil and the compressor itself. Warranty For information on the compressor warranty, refer to the terms and conditions of sale. In order to be able to continuously improve these products, Tecumseh reserves the right to modify these instructions without notice. SP6024 ind C...
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