CONTENTS 1 - UNPACKING, CHECKING AND STORING THE UNIT ......................... 4 2 - HANDLING ....................................4 3 - DESCRIPTION OF THE UNIT ............................... 5 4 - INSTALLATION & CONNECTION ..............................6 5 - COMMISSIONING ..................................10 6 - MAINTENANCE & SERVICING ..............................11 7 - SPECIAL INFORMATION FOR ATEX AREAS ...........................
1 - UNPACKING, CHECKING AND STORING THE UNIT Thank you for purchasing a 42AM ATEX CARRIER unit. We trust that you will be completely satisfied with this air heater. To ensure correct operation, all connections (electrical, hydraulic, etc.) must be made in accordance with industry practice and the regulations in force in the country of use.
3 - DESCRIPTION OF THE UNIT Other than electrical connection, any operation or modification whatsoever carried out on this assembly will render the ATEX certification null and void. Fan motor assembly Protection cage Hydraulic coil connection JET+ air diffuser Mounting points Data plate Lifting ring Ref.
4 - INSTALLATION & CONNECTION To protect against injury or damage to the unit, work may only be carried out by qualified personnel only Installation, assembly and mechanical connection 0,26 m Mounting: M8 screws. Any other mounting method will render the unit's ATEX certification null and void 2,5m 4,5m...
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Number of heating rows Pipes 316 L stainless steel Ø 16 mm Embossed aluminium – Pitch 2,5 mm – Fins Thickness 28,5/100 mm Not supplied by CARRIER Coil capacity (L) 1,76 2,02 3,36 Welding: use a filler metal suited to the manifold material.
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A bag containing an ATEX-certified cable gland is supplied with the unit. Please install this cable gland in accordance with the manual contained in this bag. The use of any other cable gland will render the 42AM ATEX certification null and void, as will its incorrect installation. Connexion-Δ...
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4 - INSTALLATION & CONNECTION GAS ONLY ENVIRONMENT Z1 & Z2 THREE-PHASE voltage 230/400V – 50Hz IIC T4 Motor designation AC70r 71A 6 Rated speed (rpm) Rated current (A) (400V)) 0,59 Id/In 3,45 Abs. P (W) (400V) Operating T°C -20°C / +40°C Class Heat Protection Sensor With Heat Protection sensor (PTC –...
- If it is greater than the current indicated on the data plate, stop the motor immediately and check the installation and the connections. If the motor appears to be the source of the fault, contact CARRIER. - Check the motor rotation speed. If a variable speed control is installed, this must stay within the range of 70 % -100 % of the motor's rated speed, at all times.
7 - SPECIAL INFORMATION FOR ATEX AREAS In accordance with directive 2014/34/EU (explosive atmospheres) ■ Install units so that the room temperature is between -20 and +40 °C. 7.1 - General information ■ Select and install all the electrical connection and control components according to the risk zone in which they will be Evaluation of the level of danger of explosion established in installed.
7 - SPECIAL INFORMATION FOR ATEX AREAS 7.2 - Periodic inspections/checks CORRECTIVE ACTIONS If a deviation in the vibration speed values is noted, the fan must Unit vibration be stopped and the impeller inspected. If dust is found, all the areas affected must be thoroughly cleaned.
7 - SPECIAL INFORMATION FOR ATEX AREAS 7.3 - Using tools in an explosive atmosphere The operating managers for the installations and processes which include explosive atmospheres must provide all persons working on a site with information relating to using manual tools in complete safety. There are two different types to be taken into consideration: ■...
All our units are tested and proven before leaving the factory. They are guaranteed against all defects. CARRIER shall not be held liable for any type of corrosion. The motors are not covered by the warranty in cases of incorrect electrical connection or inadequate protection.
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Please contact your sales representative for more information. Order No: EN7486885-08, 03.2024 - Supersedes order No: EN7486885-07, 11.2022. Carrier, Rte de Thil - 01120 Montluel, France. Manufacturer reserves the right to change any product specifications without notice. Printed in the European Union.
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