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Summary of Contents for Carrier 39CZ
- Page 1 I N S TA L L AT I O N , O P E R AT I O N A N D M A I N T E N A N C E I N S T R U C T I O N S Air handling unit 39CZ Translation of the original document...
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Page 3: Table Of Contents
CONTENTS 1 - INTRODUCTION .................................... 4 1.1 - General safety instructions ................................ 4 2 - DELIVERY AND HANDLING ................................. 5 2.1 - Receiving and storing the unit ..............................5 2.2 - Location ..................................... 5 2.3 - Setup ......................................6 3 - INSTALLATION ..................................... 7 3.1 - Special recommendations ................................. -
Page 4: Introduction
Failure to follow the instructions in this manual could damage the air handling unit and will void its warranty. 39CZ air handling units are intended solely for the purpose of handling air. No other uses (storage, etc.) are allowed. They should never be used for any other purpose (storage, support, etc.). -
Page 5: Delivery And Handling
IMPORTANT: a clearance of 600 mm is recommended for assembling the sections For all other problems, please contact your CARRIER representative for further information. The unit must be stored in its packing and sheltered from weather. To facilitate the assembly of multisplit units, their components must be kept in the relevant groups. -
Page 6: Setup
2 - DELIVERY AND HANDLING 2.3 - Setup Handle the boxes carefully. Lift them using a lifting beam suitable for the size of the unit (refer to the diagrams below), two steel tubes (minimum diameter 1": 33.7 mm external; maximum 1¼": 42.7 mm external) and straps, as per the handling instructions (minimum angle of 60°). -
Page 7: Installation
3 - INSTALLATION The equipment must be installed in accordance with the legislation applicable to the installation site. 3.1 - Special recommendations - Connections must not place mechanical stresses on the unit. - Air and hydraulic pipes must be secured using supports. - Keep all inspection doors closed while the unit is operating. - Page 8 3 - INSTALLATION ■ Assembling the two blocks - Check the flatness and levelness of the mounting surface. - Fit the gasket on the sealing face between the blocks (fig. A). - Using the appropriate handling equipment, place the two sections to be joined as close to each other as possible. - The blocks are assembled on the same level by connecting the frames or the feet using connection components (fig. B). Secure outdoor units using a TH 8 x 70 screw, washers and nuts (fig. C). A plate provides a seal between the two casings (fitted with ...
- Page 9 Where possible (door nearby, footprint, etc.) the clamps may be tightened on the inside with TH 6 x 60 bolts. Sizes 25 to 75 Sizes 100 to 600 An optional decorative trim is available for bottom 39CZ CL units only. ■ Dual-flow assembly with stacked casings (A) and (B) The unit can be assembled in one of two of ways depending on its size: 25 to 75 units: affix the feet of block B to the intermediate panel ...
- Page 10 Fit the roof panels along the entire length of the unit, placing a Holes are provided for this purpose. foam seal (supplied by CARRIER) between each panel. ■ Assembling adjacent casings The first air stream (fig.1) is installed in the same way as on ...
- Page 11 3 - INSTALLATION ■ Counter frame sealing for outdoor installation Caulk during assembly ■ Fitting the canopies Assemble the top panel (1) to its two side panels (2) and (3) with 6 mm screws, washers and nuts or rivets. Affix the sealing gasket (4) around the edge of the canopy and apply mastic if necessary. Fit the screen and the canopy and affix the assembly to the unit using diameter 5.53 sheet metal screws and washers The canopy is delivered in a kit.
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Page 12: Filtration
3 - INSTALLATION ■ Mounting brackets To guarantee a greater clearance height, fit raised feet under the standard frame feet. Adjustable leg (option). Extension leg (100 mm/200mm/300mm) 3.3 - Filtration - G2 filters: the cell may be inserted in any direction regardless of the direction of air flow, - G4 filters: the mesh holding the medium in place must face the discharge air side, - HPS bag filters HPS (M5, M6, F7, F8, F9), high-efficiency and HPR filters: the cells on the frame side must face the incoming air, - HEPA filters (E10, H14): refer to the instructions supplied with filters for information on fitting and maintaining them, - Carbon filters: refer to the instructions supplied with the filters. G2 and G4 filters are supplied fitted on the unit. Other filters are supplied in their packing. G4 filter HPS filter HPR or carbon filter HEPA filter 3.4 - Water and direct expansion coil Do not remove the protective caps until you are ready to connect If flanges are used, provide enough clearance for the frost the coils. - Page 13 3 - INSTALLATION ■ Coil maintenance - Clean air is essential to the efficiency of the unit. Use an air filter. - The coil may be cleaned with compressed air. However, make sure particles are not blown into any other sections of the unit. - If a glycol/water mix is used in water-cooled heat exchangers, check the glycol/water ratio. - If the coil is extremely dirty, disassemble it and clean it with a high-pressure washer.
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Page 14: Electric Heaters
3 - INSTALLATION ■ Direct expansion coil Example: for a 2.5 diameter, 50 m cable (4 conductors), the following are available: Installation must be performed by qualified personnel. - 80°C high temperature cable: Max current: 45 A For coils containing "SPLIT SYSTEM" refrigerant, the unit must - 120°C high temperature cable: Max current: 27 A not be stored near to a source of heat or in direct sunlight (increase Connect these wires to the designated terminals and the terminals... -
Page 15: Control System
If a two-speed motor is used, the shift from high to low speed should be timed to avoid a braking effect. 3.7 - Fan motor assembly The spring-mounted fan motor assemblies (39CZ ST, 39CZ CL ranges) are locked in place during shipment by three fasteners placed on either side of the support frame. IMPORTANT: Remove the shims after installing the unit. - Page 16 3 - INSTALLATION ■ Aligning the pulleys By placing a ruler flat against the pulley flange and adhering to the data below. For variable-diameter pulleys, align them along the centre line. - Hold the pulleys in place with the appropriate tool, Alignment axis α max < 0.5° β max < 4 mm per metre of centre distance - Fit the belts, - Tension the belts as instructed in the previous section. IMPORTANT: If changes are made to the drive, make sure that it is compatible with the fan motor assembly, motor current and the suspensions.
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Page 17: System Start-Up
4 - SYSTEM START-UP Keep all inspection doors closed while the unit is operating. A safety device protecting against insufficient air flow must inserted in the fan control. IMPORTANT: Connect all electric components to earth. 4.1 - Connecting the electric motor The connection must be made by a qualified technician, as per the diagrams below and those included with the motor. IMPORTANT: Before powering up the motor, test the insulation resistance. Failure to follow this recommendation will void the motor warranty. -
Page 18: Blade Damper
4 - SYSTEM START-UP ■ Dual-speed motors: two separate windings, 2 x 3 terminals. These diagrams apply to three-phase, 1500/1000 rpm motors. speed (LS) High Speed (HS) LS and HS for “2” contacts These wiring diagrams are inside each terminal box. Retighten the connections after 48 hours of operation. -
Page 19: Maintenance
5 - MAINTENANCE 5.1 - Casing The boxes have smooth internal walls. The rate of cleaning will depend on the application and outdoor environment. Check the casing at least once a year. IMPORTANT: Do not clean the air handling unit with a high-pressure washer. 5.2 - Dampers Periodically check the condition and operation of the dampers. -
Page 20: Humidifiers
5 - MAINTENANCE ■ Droplet separator ■ Cleaning or replacing the steam cylinder Depending on the type of extraction, the separator frames can be This is necessary when deposits on the active surface of the disassembled as follows: electrodes prevent normal current flow (alarm E06, E08). ■ Side extraction: Disassemble the cylinder as follows: - Press the manual drain button to completely empty the water Side... -
Page 21: Fan Motor Assembly
5 - MAINTENANCE 5.6 - Sound attenuator ■ Water humidifier No special servicing is required for the sound attenuator baffles. However, we recommend checking the outside once a year to avoid fibres coming loose and clogging the filters downstream. fig. A fig. B - Spray (Fig. A) 5.7 - Heat recovery units It is recommended to service it twice a year: •... -
Page 22: Preventive Maintenance
5 - MAINTENANCE 5.8 - Preventive maintenance All equipment must be serviced and commissioned by qualified personnel. COMPONENT OPERATIONS REQUIRED RECOMMENDATION Check the cleanliness of the housing 3 months Check the impellers or rotating parts (visual check) 3 months Check the bearings (noise) 3 months Lubricate (depending on fan) Every 20,000 to 30,000 hrs Check the mounts (visual check) 3 months... -
Page 23: Warranties
This warranty takes effect from the date of delivery and covers CARRIER. It does not cover labour. It does not cover labour. the repair of parts determined to be defective by the fitter and CARRIER. It does not cover labour. It does not cover labour. -
Page 24: Special Information For Atex Areas
- Any modification to the unit without prior approval from labelling may be IIB + H2 CARRIER is prohibited. - TX (indicates the maximum permitted surface temperature) - Ensure that, during assembly or maintenance operations, no... -
Page 25: Using Tools In An Explosive Atmosphere
7 - SPECIAL INFORMATION FOR ATEX AREAS ■ Fan surface area: 7.4 - Using tools in an explosive atmosphere - Respect the recommendations given by the motor and fan - The operating managers for the installations and processes manufacturers in the manuals appended to the ATEX dossier. which include explosive atmospheres must provide all - For belt pulley systems, the belt tension must be regularly persons working on a site with information relating to using... -
Page 26: Meaning Of The Pictograms
8 - MEANING OF THE PICTOGRAMS Water outlet Water inlet Monitor the cleanliness Air flow direction of the filters Condensate Electric heater drain siphon Grounding compulsory... -
Page 27: Regulations
2009/125/EC (Eco Design) The Ecodesign for Energy-Related Products and Energy Informatin and regulation 327/2011/EU & 1253/2014/EU Regulations 2019, and following amendments REGULATION (EC) No 1907/2006 (REACH) UK REACH Regulations 2019 UK Importer: Toshiba Carrier UK Ltd, Porsham Close, Roborough, Plymouth, PL6 7DB... - Page 28 Order No.: EN7505284-01, 12.2021. Replaces N° : EN7505284-00, 04.2016. Manufactured by: Carrier S.C.S, Rte de Thil - 01120 Montluel, France. The manufacturer reserves the right to change the product specifications without notice.. Printed in the European Union.
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