Related Manuals for Carrier 42EL Aqualia
Summary of Contents for Carrier 42EL Aqualia
- Page 1 Terminal Controller for 42EL Aqualia and 42BJ Ultra units 50 Hz Installation, operation and maintenance instructions...
- Page 2 The cover graphic is for illustrative purposes only and is not part of any offer for sale or contract.
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Page 3: Table Of Contents
Contents 1 - INTRODUCTION ..................................2 - SAFETY CONSIDERATIONS ..............................3 - PRODUCT OVERVIEW ................................4 - CONFIGURATION ..................................5 - SYSTEM MODES ..................................6 - CONTROL MODES ..................................7 - MAIN SYSTEM SAFETY AND INTERLOCK DEVICES ....................8 - CONNECTIONS ..................................9 - TROUBLESHOOTING ................................ -
Page 4: Introduction
1 - INTRODUCTION 2.2 - Precautions against electrocution Before using this document it is important to read the complete 42EL Aqualia, 42BJ Ultra, System Manager (Sm) and Carrier Room Controller (CRC) User Manuals. Before beginning, verify that the water temperature sensor is... -
Page 5: Product Overview
In general terms the following rules must be applied: 3 - PRODUCT OVERVIEW 3.1 - Power supply characteristics 3.2 - Technical characteristics of the communication systems keep low-voltage wiring away from power cables and avoid using the same cable run (300 mm maximum, common with the 230 V a.c., 30 A cable) Do not pass low-voltage cables through loops in the power cables... -
Page 6: Configuration
4.1 - Unit type Please refer to the Installation Manual for the System Manager. 4.4 - Configuration of the Terminal Controller (Tc) with the Carrier Room Controller (CRC) 4.2 - Addressing Please refer to the Installation Manual for the CRC. -
Page 7: System Modes
5 - SYSTEM MODES 5.1 - Cool and heat control setpoint Unoccupied mode for communicating systems 5.3 - Frost protection mode 5.4 - Occupied mode (room occupied time schedules) 5.2 - Unoccupied mode (room unoccupied time schedules) OFF mode for non-communicating systems Diagram of automatic changeover (default value) HCS + 1˚C Setpoint... -
Page 8: Control Modes
6 - CONTROL MODES 6.1 - Control modes with changeover option for 2- pipe systems ˚C Legend °C Water temperature Cooling mode Heating mode... - Page 9 6.2 - Summary cooling and heating mode tables in Occupied mode Two-pipe changeover configuration Water temperature Temperature below 15°C* Temperature from15 to 35°C Temperature above 35°C** Air °C Valve Valve Valve Two-pipe changeover plus two wires configuration Water temperature Temperature below 15°C* Temperature from15 to 35°C Temperature from 35 to 43°C** Temperature above 43°C...
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Page 10: Main System Safety And Interlock Devices
7 - MAIN SYSTEM SAFETY AND INTERLOCK DEVICES 7.1 - Window contact operation 7.2 - Cold draught protection 7.3 - Loadshedding... -
Page 11: Connections
4B Three-way cooling or changeover valve 5B Three-way heating valve Window contact, presence detector Secondary bus (not supplied by Carrier) Fuse 3.15 A - 250 V - 5 x 20 mm WIRING: CRC and window contact at the terminal inside the control box. -
Page 12: Troubleshooting
Is automatic or manual speed selected? Verify the System Manager time schedule program. IMPORTANT: If the problem persists after the checks above have been carried out, please contact your local Carrier representative. Order No: 13414-76, 10.2003 - Supersedes order No: 13414-76, 06.2001 Manufacturer: Carrier s.a., Montluel, France.
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