Table of Contents
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Table of Contents
Related Manuals for Carrier AQUASMART 42JW Series
Summary of Contents for Carrier AQUASMART 42JW Series
- Page 1 AQUASMART 42JW INSTALLATION MANUAL...
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Page 2: Table Of Contents
42JW/AQUASMART Fan coil units Contents Page General information ..................Operating limits ................... Warnings: avoid ..................Minimum clearances ................... Dimensions and weight................Installation ....................Condensate drainage ................. Water connections ..................Water pressure drop ................... Electrical connections................. Wiring diagram .................... Room Controller ..................Aquasmart System .................. -
Page 3: General Information
42JW/AQUASMART General information Unit installation • Inspect equipment for damage due to improper transportation or handling: file an immediate claim with the shipping company. Read this instruction manual thoroughly before using the unit. • To work correctly, the air conditioner must operate only within the temperature indicated in the “Operating limits”... -
Page 4: Warnings: Avoid
42JW/AQUASMART Warnings: avoid…, minimum clearances E N G L I S H Exposure to direct sunshine, when unit is operating in cooling Connecting condensate piping to sewage system drain without mode; always use shutters or shades. appropriate trap. Trap height must be calculated according to the unit discharge head in order to allow sufficient and continuous water evacuation. -
Page 5: Dimensions And Weight
42JW/AQUASMART Dimensions (mm) and weight Ø AM Ø 3/4” Ø 3/4” Ø AM Ø 3/4” Ø 3/4” Ø AM Indoor coil Drain pan Drain connection Ø AM Outside air intake 42JW- Electrical box Ø AM Unit support Air filter Water inlet Ø 3/4” Water outlet Ø... -
Page 6: Installation
42JW/AQUASMART Installation E N G L I S H Prior to installation If necessary, a rubber or neoprene sheet can be placed between the ceiling and the unit. • It is advisable to place the unit as close as possible to the IMPORTANT: installation site before removing it from the packing. -
Page 7: Water Connections
42JW/AQUASMART Water connections LEGEND Water chiller 42JW fan coil units Water circulating pump Inertial accumulator Expansion vessel Pressure gauges Manual shut-off valves Mesh filter Pressure ports Thermometers Flow switch Automatic purge Drain Charge valve Flexible coupling Make the heat exchanger water connections with the necessary 5. -
Page 8: Electrical Connections
42JW/AQUASMART Electrical connections E N G L I S H Connections wire minimum size between IMPORTANT: water chiller and indoor unit Make earth connection prior to any other electrical connections. 42JW- • Make electrical connections between units prior to proceeding to 05H - 09H - 16H the mains supply unlt connectlon. -
Page 9: Wiring Diagram
42JW/AQUASMART Wiring diagrams Wiring diagram 2/4-Pipe version Y / G J11B J11A MAIN BOARD HY-NEC J1-PCB TRACE +12V BOARD L1 L1 V1 V2 V3 V4 LOCAL BUS MAX 6 UNITS PIPE PIPE 230V ~ 50Hz NOTE 2 Legend: Wire colours ATTENTION: Factory wiring A Brown... - Page 10 42JW/AQUASMART Wiring diagrams E N G L I S H Wiring diagram 2 Pipe version + electric heater Y / G J11B J11A MAIN BOARD HY-NEC J1-PCB TRACE EL. HEATER POWER J 10 LOW HIGH +12V BOARD 47KΩ Electric heaters L1 L1 V1 V2 V3 V4 42JW-05H 1,5kW 42JW-05H 3kW...
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Page 11: Room Controller
42JW/AQUASMART Room Controller Window Contact If the window contact is open for longer than one minute the unit is enabled for “Frost protect” operation. The unit returns to normal operation when the window contact is closed. The window contact can be configured as follows: No Configuration (normally open) using the CRC or System Manager. -
Page 12: Aquasmart System
42JW/AQUASMART Aquasmart System E N G L I S H 4-Pipe version 2-Pipe version Inlet water pipe Sensor holder Spring Change over sensor Electric valve Sensors Electric valve and regulation The unit control (Aquasmart) regulates the opening of valves “Aquasmart” system is composed by two sensors: according to the selected temperature. -
Page 13: Cooling Capacities
42JW/AQUASMART Cooling capacities Entering water temperature 42JW-05H 42JW-09H 42JW-16H Correction factors Cooling Cooling 42JW- Fan speed 42JW- Air flow % Medium 0.97 0.95 0.90 0.97 1.06 1.08 0.96 0.91 0.88 0.95 1.07 1.09 0.97 0.95 0.90 0.97 1.06 1.08 0.96 0.91 0.88 0.95... -
Page 14: Heating Capacities
42JW/AQUASMART Heating capacities E N G L I S H 42JW-05H ∆T (°C) 0.13 0.16 0.19 0.22 0.25 0.28 0.30 10 11 (l/s) (kW) 42JW-09H ∆T (°C) 0.16 0.22 0.27 0.33 0.38 0.44 0.50 0.55 10 12 14 16 18 20 22 24 26 27 (l/s) (kW) -
Page 15: Ductwork
42JW/AQUASMART Ductwork The inside surfaces should be smooth, and not contaminate the IMPORTANT: air which passes through. Duct calculation and design must be effected by a qualified technician. • At the points where the duct joins with the unit, it is advisable to use a flexible connection which absorbs vibration and prevents the transmission of noise inside the ductwork. -
Page 16: Checks/Precautions Before Start-Up
42JW/AQUASMART Checks before start-up, start-up, maintenance and troubleshooting E N G L I S H Checks before start-up • Ensure that all electrical connections are properly tightened. • Ensure that the unit is level and well supported. • Check that water circuit has sufficient water flow and that the pipe connections comply with the installation diagram. -
Page 17: Accessories
42JW/AQUASMART Accessories Table IV: Accessories Description Part number 42JW- Electric heater kW 1,5 40JXS9041 Electric heater kW 3 40JXS9042 Electric heater kW 3 40JXS9043 SElectric heater kW 6 40JXS9045 Electric heater kW 4,5 40JXS9044 Electric heater kW 9 40JXS9046 Hot water coil 40JXS9007 Hot water coil 40JXS9008... - Page 18 L010124H69 - 0502 Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1 The manufacturer reserves the right to change any product specifications without notice. Order No. 14201-74, May 2002. Supersedes Order No. 14201-74, July 2001. Printed in Italy...