Page 1 Document number ECG-SG-20-004, Ver. I This document is the property of CIAT and is delivered on the express condition that it is not to be disclosed, reproduced in whole or in part, or used for manufacture by anyone other than CIAT without its written consent, and that no right is granted to disclose or so use any information contained in this document.
Page 2 CONNECT TOUCH control platform. Version Document number ECG-SG-20-004, Version I The latest version of the service guide is available on CIAT intranet: https://intranet.ciat.com/documentation References The following list includes all documents that may be source of reference for material discussed in this publication.
Page 3 ECG-SG-20-004 Version I Connect Touch Page 03/2024 3/230 SERVICE GUIDE AQUACIAT LD / ILD REVISIONS HISTORY DATE DESCRIPTION DONE BY • Original document MBDC 11/2020 • EXV override section was updated • High Pressure test updated • Document typesetting/proofreading • 03/2021 ProView procedures updated (new version of ProView / 2021 release, version 1.4.0.000)
Page 4 A BMS consists of software and hardware Local Equipment Network: Protocol for the controlled exchange of data between two or more intelligent control devices within the geographic confines of single CIAT equipment Discharge Gas Temperature Discharge Oil Pressure...
Page 5 ECG-SG-20-004 Version I Connect Touch Page 03/2024 5/230 SERVICE GUIDE AQUACIAT LD / ILD GLOSSARY Boiler Occupancy Machine used for converting a liquid to vapour. The building intended to be occupied: A boiler consists of a furnace in which fuel is burned; Unoccupied mode / Occupied mode surfaces to transmit heat from the combustion products to the water (or other liquid) and a space where steam...
Page 6 ECG-SG-20-004 Version I Connect Touch Page 03/2024 6/230 SERVICE GUIDE AQUACIAT LD / ILD CONTENTS INTRODUCTION ................................. 11 PURPOSE ................................11 PRODUCT OVERVIEW ............................11 GETTING STARTED - CONTROL FUNCTIONS ....................12 PRODUCT COMPONENTS ..........................14 1.4.1 Main controller / touch screen ........................14 1.4.2 Touch screen connections ...........................
Page 7 ECG-SG-20-004 Version I Connect Touch Page 03/2024 7/230 SERVICE GUIDE AQUACIAT LD / ILD WEB BROWSER INTERFACE (CONNECT TOUCH) ..................56 4.3.1 Home screen ............................... 56 4.3.2 Technical documentation (Connect Touch) ....................56 WEB BROWSER INTERFACE (CONNECT TOUCH 2.0) ..................57 4.4.1 Home screen ...............................
Page 8 ECG-SG-20-004 Version I Connect Touch Page 03/2024 8/230 SERVICE GUIDE AQUACIAT LD / ILD Head Control – HEADCTRL ........................116 6.4.8 Maintenance Configuration – MAINTCFG ....................116 6.4.9 SYSTEM MENU ..............................117 CPU Load – CPULOAD ..........................117 6.5.1 EOL Resistor – EOLRES ......................... 117 6.5.2 Network –...
Page 9 ECG-SG-20-004 Version I Connect Touch Page 03/2024 9/230 SERVICE GUIDE AQUACIAT LD / ILD 7.12.7 Flow switch check when pump is OFF ...................... 148 7.12.8 External variable speed pump (EVSP) control ..................148 7.12.9 Pumps in The Master /Slave Assembly ..................... 149 7.13 VARIABLE SPEED PUMPS ..........................
Page 10 ECG-SG-20-004 Version I Connect Touch Page 03/2024 10/230 SERVICE GUIDE AQUACIAT LD / ILD 7.24.5 Free Cooling Dry Cooler Test ........................186 7.24.6 High Pressure Test ............................ 186 7.24.7 Basic Tests ..............................186 7.25 CHILLER WATER FLUID TYPE: BRINE OPTION ..................... 187 7.25.1 Cooler fluid type configuration ........................
Page 11 03/2024 INTRODUCTION 11/230 1 INTRODUCTION 1.1 PURPOSE This manual is intended to provide guidance on configuration and the use of the Connect Touch control used to control the following types of units: ▪ AQUACIAT LD: Standard cooling-only air-cooled chillers ▪...
Page 12 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 INTRODUCTION 12/230 1.3 GETTING STARTED - CONTROL FUNCTIONS Unit control functions are divided into two categories, i.e. standard and premium. The optional functions may require the hardware upgrade; however, the same software is used. Configuration Hardware Function...
Page 13 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 INTRODUCTION 13/230 Configuration Hardware Function option Factory Service User Cooling reset based on Outside Air temperature Cooling reset based on water exchanger delta T Heating reset based on Outside Air temperature Heating reset based on water exchanger delta T Three level demand limits controlled through external switches...
Page 14 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 INTRODUCTION 14/230 1.4 PRODUCT COMPONENTS ▪ Circuit SIOB/CIOB* board is used to control main inputs and outputs of the controller. ▪ Additional options such as Dry Cooler Free Cooling require additional AUX1 boards to be installed. ▪...
Page 15 The AUX1 board is used to manage the Dry Cooler Free Cooling control. When the unit is fitted with the Dry Cooler Free Cooling option, the Connect Touch control manages an AUX1 board mounted into the electrical box of dry cooler (not the electrical box of the unit!). This AUX1 board shall connected at the internal bus through the connector added.
Page 16 The controller can function either as a stand-alone control system or as part of the Network system (Proprietary Protocol, or BACnet/IP or Modbus TCP-IP or Modbus RTU/ RS485). The Connect Touch control offers two RS485 ports where the first RS485 port is used for internal communication, whereas the second port is used for external communication.
Page 17 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 INTRODUCTION 17/230 No.1 RS485 wiring diagram (RECOMMENDED) No. 2 RS485 wiring diagram (CORRECT) No. 3 RS485 wiring diagram (CORRECT) No. 4 RS485 wiring diagram (INCORRECT- Do not use!) Go to –...
Page 18 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 INTRODUCTION 18/230 No. 5 RS485 wiring diagram (INCORRECT- Do not use!) 1.5.2.2 RS485: Daisy chain configuration The following illustration shows proper 3-wire termination with a shield in a daisy chain configuration keep shield continued shield connect shield to earth ground only at one point...
Page 19 Service Tool account and Licence (“ProView onboarding procedure” document describes how to get the license, available at https://intranet.ciat.com/documentation) • Service Tool application (available at https://intranet.ciat.com/documentation) How to download the Service Tool application (and request the license): and select “Document database”.
Page 20 CONTROL SOFTWARE 20/230 Go to the tree structure and click the ‘plus’ symbol next to “Home” and then the one next to “Ciat Service” to expand (show all). Expand “Software update” and then “Service tools” to find ProView. Click ProView and go to the main window.
Page 21 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL SOFTWARE 21/230 2.2.2 Software installation with Service Tool (ProView) To install the software with the Service Tool, please do the following: Open Service Tool (ProView). Log in to the Service Tool by providing the following credentials. Click Email address Password Once logged in, the home screen will be displayed.
Page 22 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL SOFTWARE 22/230 Click at the bottom of the left-side panel in order to open the File Transfer/Firmware Update menu. Then, select the PIC6 controller from the drop-down menu (“Select Controller”). Provide unit credentials and click •...
Page 23 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL SOFTWARE 23/230 Click the Unit Software Update field, and then click to locate the software package that you want to upload to the controller. Find the software package. Once the required file is selected, click 10.
Page 24 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL SOFTWARE 24/230 11. If you select “Erase all configurations in target (including FACTORY)”, the “Warning” message will be displayed. Click 12. Software update is in progress. 13.
Page 25 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL SOFTWARE 25/230 2.2.3 Software installation with USB flash drive The service technician may use a USB flash drive in order to install the software package on the controller. USB flash drive requirements: 4 GB, 16 GB or 32 GB storage size RECOMMENDED.
Page 26 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL SOFTWARE 26/230 Once the flash drive is ready to be used, it’s necessary to follow three steps given in the table below. Note: To install the software, it is required to power cycle the controller manually (power off and on the controller). To update the software with the USB flash drive, follow these steps: Remove the power by unplugging 24 VAC from the J4 connector (4.3-inch controller).
Page 27 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL SOFTWARE 27/230 Wait a few more minutes. The firmware upgrade file will be installed. 10. Once the new software has been installed, you can disconnect your USB device. After the software update, the “fwupgrade.conf”...
Page 28 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 28/230 INTERFACE 3 CONNECT TOUCH USER INTERFACE The main control interface is a 4.3-inch touch screen allowing for easy and effective management of the control functions.
Page 29 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 29/230 INTERFACE 3.3 CONNECT TOUCH 2.0 USER INTERFACE Connect Touch 2.0 touch screen comes with a refreshed home screen design. You can control the touch screen with a bare finger or a suitable pen (a capacitive stylus pen).
Page 30 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 30/230 INTERFACE Refrigeration cycle: A. Evaporator Evaporator absorbs heat from the fluid (pure water or brine), it does the opposite of the condenser which is rejecting the heat out of the unit.
Page 31 31/230 INTERFACE 3.5 SYSTEM OF MEASUREMENT The Connect Touch control allows users to select metric or imperial (US) system of measurement. To change the system of measurement, press and go to In the Language & Unit screen, select the required system of measurement.
Page 32 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 32/230 INTERFACE 3.7 LANGUAGE CUSTOMIZATION All labels that are present on the user interface are translated directly in custom1.csv file. To add a custom language to the controller, it is necessary to perform three main steps: Step 1.
Page 33 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 33/230 INTERFACE Provide unit credentials and click Login. • Device IP: 169.254.1.1 (see Network configuration in section 6.5.3) • User Name: service • Password: Password generated with QR code (see section 3.9.3 Service login with SMARTservice) The File Transfer / Firmware Update menu will be displayed.
Page 34 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 34/230 INTERFACE Click the Retrieve Log/files(s) from Controller field, and then select Custom1 from the “Language File” drop-down menu. Click Uploading the language file on the computer may take a few minutes. Please be patient. 10.
Page 35 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 35/230 INTERFACE 3.7.2 Translating the file • You may use Notepad++ to translate the text into the target language (free tool available on the Internet). •...
Page 36 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 36/230 INTERFACE Selection Sel (number of characters) Save the file. Go to – Table of Contents...
Page 37 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 37/230 INTERFACE 3.7.3 Translation file download (from the computer to the controller) The translated file must be downloaded on the CONNECT TOUCH controller using the Service Tool. To download the custom1 file to the controller, do the following: Open the Service Tool (ProView’).
Page 38 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 38/230 INTERFACE Provide unit credentials and click Login. • Device IP: 169.254.1.1 (See Network configuration in section 6.5.3) • User Name: service • Password: Password generated with QR code (see section 3.9.3 Service login with SMARTservice) The File Transfer/Firmware Update submenus will be displayed.
Page 39 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 39/230 INTERFACE Locate the translated custom1.csv file on your computer and click Open. Once the correct file has been selected [custom1.csv], click Download to download the custom1 translation file on the controller.
Page 40 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 40/230 INTERFACE 12. As soon as the download process is completed, the following notification message will be displayed. The controller will restart automatically. 13. Select custom1 language on the screen. Go to –...
Page 41 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 41/230 INTERFACE 3.8 SMARTSERVICE 3.8.1 General Information SMARTService is a platform used to generate service and factory passwords. • There are two versions of SMARTService available: SMARTService website and SMARTService mobile application. •...
Page 42 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 42/230 INTERFACE After creating the new account or logging in, the list of applications that the user has access to will be displayed. Select the SMARTService application for the platform that you’re using (Android or iOS). Click the DOWNLOAD button and choose the version of the software.
Page 43 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 43/230 INTERFACE Click the Install button to install SMARTService on your mobile device. After installation, click OPEN to open the AppCenter page (AppCenter website will show all in-app updates). 10.
Page 44 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 44/230 INTERFACE 3.8.3 SmartService installation (website) To install the Carrier Smart App, do the following: Go to https://abound-hp.carrier.com Select in the navigation pane. Scan the QR code and follow the link to the Android or Apple stores. Download Carrier Smart App and install the application.
Page 45 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 45/230 INTERFACE 3.9 CONNECT TOUCH ACCESS CONTROL (LOGIN) 3.9.1 Access control The CONNECT TOUCH controller basic access control without any password and three advanced access control levels: user login access control (Advanced user), service login (service technicians), and factory login.
Page 46 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 46/230 INTERFACE 3.9.3 Service login with SMARTservice QR code (rolling password) functionality is enabled only if the following conditions are met: Step 1: The unit must be electrically supplied for at least 48 hours (continuously/without interruption). Step 2: Power-On Reset must be performed on the controller (after being powered for 48 hours –...
Page 47 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 47/230 INTERFACE 3.9.4 SMARTservice mobile application The Smart Service can be loaded from google store or IOS store. To generate the service password, do the following: Press the SMARTService icon on your mobile Once logged in, the dashboard view will be displayed.
Page 48 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 48/230 INTERFACE Go back to the Service Login screen on CONNECT TOUCH controller and press the Password box Type the password and press The Service Login screen will be displayed. The confirmation message will be displayed at the bottom of the screen: Login Level = Advanced User.
Page 49 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 49/230 INTERFACE 3.9.5 SMARTservice web application (Abound HVAC Performance) The service password can also be obtained via the Abound HVAC Performance web application (previously known as Carrier SMARTService).
Page 50 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 50/230 INTERFACE The Generate Password window will show up. • Enter the QR code reference generated in the Service Login screen on the controller. When using the SMARTService web service, please type the password...
Page 51 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 51/230 INTERFACE Go back to the Service Login screen on CONNECT TOUCH controller and press the Password box. Type the password and press The Service Login screen will be displayed. You should be logged in at advanced access level. The confirmation message will be displayed at the bottom of the screen: Login Level = Advanced User.
Page 52 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 52/230 INTERFACE 3.9.6 Login screen lockout • When the user provides incorrect password more than 5 times, the Login screen will be locked for about 5 minutes. •...
Page 53 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 53/230 INTERFACE 3.10 CHANGING USER PSSWORD It is possible to change the user password via the User Login screen. It is not possible to modify SERVICE or FACTORY password – only passwords generated with SMARTservice application can be used to log in at service or factory level.
Page 54 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page CONNECT TOUCH USER SERVICE GUIDE 03/2024 54/230 INTERFACE What if the customer forgets user password? If the customer forgets user password, it is possible to reset this password only when logged in at higher access level. To change user password when logged in at higher access level (service/factory), do the following: Press the Lock button in the upper-right part of the screen.
Page 55 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 USER INTERFACE: WEB INTERFACE 55/230 4 USER INTERFACE: WEB INTERFACE 4.1 INTRODUCTION Connect Touch control provides the functionality to access and control unit parameters from the web interface. The layout and design of the web interface may differ based on the type of the touch screen installed on the machine (Connect Touch or Connect Touch 2.0).
Page 56 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 USER INTERFACE: WEB INTERFACE 56/230 4.3 WEB BROWSER INTERFACE (CONNECT TOUCH) Three users can be connected simultaneously with no priority between them. The last modification is taken into account. 4.3.1 Home screen The home screen design is almost identical to the touch screen view.
Page 57 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 USER INTERFACE: WEB INTERFACE 57/230 4.4 WEB BROWSER INTERFACE (CONNECT TOUCH 2.0) The Connect Touch 2.0 touch screen comes with the user-friendly web interface that provides a much more convenient way to monitor, set up or update the control system.
Page 58 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 USER INTERFACE: WEB INTERFACE 58/230 4.4.2 Technical documentation (Connect Touch 2.0) When using the Connect Touch 2.0 web interface, you may easily access all technical documents related to the product and its components.
Page 59 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 UNIT CONFIGURATION 59/230 5 UNIT CONFIGURATION Appropriate unit configuration is critical to ensure that all chiller operations are performed effectively. The system control can distinguish three configuration levels, i.e. factory configuration, service configuration and user configuration. Please note that unit configuration may vary depending on the size of the unit and additional options that are installed on the unit.
Page 60 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 UNIT CONFIGURATION 60/230 Hydronic module curve type Unit size Single High-Pressure Pump System Minimum flow (l/s) 0.90 0.90 0.90 0.90 0.90 1.00 1.20 1.30 1.50 1.70 2.00 2.30 Maximum flow (l/s) 3.92...
Page 61 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 61/230 6 DETAILED MENU DESCRIPTION This section includes all menus that can be accessed via the Connect Touch user interface or Network Service Tool (some tables can be accessed only when using the Network Service Tool).
Page 62 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 62/230 ICON MENU NAME DESCRIPTION ACCESS QCK_TST2 Quick Test #2 SERVICE MAINTAIN Maintenance SERVICE TRENDING Trendings OPT_STA Software Options USER LEAKAGE Leakage Detector USER ACCESS TO MENUS No password required USER...
Page 63 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 63/230 General Parameters – GENUNIT 6.1.1 Table Name: GENUNIT //MAINMENU/ Point Name Displayed text * Status Default Unit CTRL_TYP Local=0 Net.=1 Remote=2 0 to 2 STATUS Running Status Alarm State...
Page 64 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 64/230 unit will be stopped regardless of the active mode. An Control point: alarm will be triggered and a Manual Reset is requested. Is the calculated setpoint that the unit should reach. Smart Grid Ready Status: This item can be forced only when the unit is in Network 1 = LOCK...
Page 65 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 65/230 Temperature – TEMP 6.1.2 Table Name: TEMP //MAINMENU/ Point Name Displayed text * Status Default Unit Entering Water Temp °C / °F Leaving Water Temp °C / °F Outdoor Air Temperature °C / °F...
Page 66 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 66/230 Pressure – PRESSURE 6.1.3 Table Name: PRESSURE //MAINMENU/ Point Name Displayed text * Status Default Unit DP_A Discharge Pressure A kPa / PSI SP_A Suction Pressure A kPa / PSI...
Page 67 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 67/230 Setpoint – SETPOINT 6.1.4 Table Name: SETPOINT //MAINMENU/SETPOINT Point Name Displayed text * Status ** Default Unit -28.9 to 20 °C csp1 Cooling Setpoint 1 -20.0 to 68 44.6 °F...
Page 68 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 68/230 Inputs – INPUTS 6.1.5 Table Name: INPUTS //MAINMENU/ Point Name Displayed text * Status Default Unit ONOFF_SW Remote On/Off Switch open/close HC_SW Remote Heat/Cool Switch open/close on_ctrl Current Control...
Page 69 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 69/230 Outputs – OUTPUTS 6.1.6 Table Name: OUTPUTS //MAINMENU/ Point Name Displayed text * Status Default Unit CP_A1 Compressor A1 off/on CP_A2 Compressor A2 off/on CP_A3 Compressor A3...
Page 70 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 70/230 Pump Status – PUMPSTAT 6.1.7 Table Name: PUMPSTAT //MAINMENU/ Point Name Displayed text * Status Default Unit PUMP_1 Water Pump #1 off/on PUMP_2 Water Pump #2 off/on ROT_PUMP...
Page 71 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 71/230 Runtime – RUNTIME 6.1.8 Table Name: RUNTIME //MAINMENU/ Point Name Displayed text * Status Default Unit hr_mach Machine Operating Hours hour st_mach Machine Starts Number hr_cp_a1 Compressor A1 Hours hour...
Page 72 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 72/230 DC Free Cooling Status – DCFC_STA 6.1.9 Table Name: DCFC_STA //MAINMENU/ Point Name Displayed text * Status Default Unit OAT Free Cooling °C / °F FC Leaving Water Temp °C / °F wloop...
Page 73 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 73/230 6.1.10 Miscellaneous Status – MSC_STAT Table Name: MSC_STAT //MAINMENU/ Point Name Displayed text * Status Default Unit m_ecopmp Eco Pump Mode Active no / yes *Depends on the selected language (English by default).
Page 74 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 74/230 6.1.11 Modes – MODES Table Name: MODES //MAINMENU/ Point Name Displayed text * Status Default Unit m_delay Delay Active no/yes m_2ndspt Second Setpoint Active no/yes m_reset Reset Active...
Page 75 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 75/230 6.1.12 Trendings Table Name: Trendings //MAINMENU/ Point Name Displayed text * Status Default Unit ** 0 to 100 GENUNIT_CAPA_T Cir A Total Capacity 0 to 100 GENUNIT_CAPB_T Cir B Total Capacity...
Page 76 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 76/230 6.1.14 QUICK TEST TABLE The main control gives access to two Quick Test tables allowing users and technicians to test all unit outputs. •...
Page 77 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 77/230 Table Name: QCK_TST1 //MAINMENU/ Point Name Displayed text * Status Default Unit HP_TEST High Pressure Test -1 to 1 -1=Off / 0=CirA / 1=CirB *Displayed text may differ depending on the language selected.
Page 78 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 78/230 6.1.15 Leakage detector – LEAKAGE Table Name: LEAKAGE //MAINMENU/ Point Name Displayed text * Status Default Unit l_date Maint. remind Date DD/MM/YYYY LD_CAL Perform Calibration no/yes PerLFL_A...
Page 79 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 79/230 6.2 CONFIGURATION MENU The full list of tables/menus accessible from the Configuration menu is given below. Icon Menu name Description Access GENCONF General Configuration USER PUMPCONF Pump Configuration...
Page 80 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 80/230 Icon Menu name Description Access ADD_OPT Add Options SERVICE MSC_SERV Miscellaneous Service SERVICE ACCESS TO MENUS No password required USER User password is required (default password = 11) QR code rolling password (see section 3.9.3 “Service login with SMARTservice”)
Page 81 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 81/230 General Configuration – GENCONF 6.2.1 User configuration tables include all unit parameters which can be configured by the user. For further information on user configuration, please refer to the relevant product IOM.
Page 82 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 82/230 Pump Configuration – PUMPCONF 6.2.2 Table Name: PUMPCONF //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit pump_seq Cooler Pumps Sequence 0 to 4 0 = No Pump 1 = One Pump Only 2 = Two Pumps Auto...
Page 83 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 83/230 Heat/Cool Configuration – HCCONFIG 6.2.3 Table Name: HCCONFIG //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit auto_sel Auto Changeover Select no/yes cr_sel Cooling Reset Select 0 to 3 hr_sel...
Page 84 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 84/230 Reset Configuration – RESETCFG 6.2.4 Table Name: RESETCFG //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit COOLING RESET -10.0 to 51.7 -10.0 °C oat_crno OAT No Reset Value...
Page 85 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 85/230 User Configuration – USERCONF 6.2.5 Table Name: USERCONF //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit alert_r Alarm Relay for Alerts? no/yes al_rever Reversed Alarm Relay 0 to 1...
Page 86 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 86/230 Schedule Menu – SCHEDULE 6.2.6 The control incorporates two time schedules, where the first one (OCCPC01S) is used for controlling the unit start/stop, whereas the second one (OCCPC02S) is used for controlling the dual setpoint.
Page 87 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 87/230 6.2.6.1 OCCPC01S schedule: Unit start/stop This timer program (schedule 1, OCCPC01S) provides a means to automatically switch the unit from an occupied mode to an unoccupied mode.
Page 88 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 88/230 6.2.6.1.2 OCCPC01S: Unit start/stop maintenance table Parameters given in the OCCPC01S maintenance table are read-only and cannot be modified. To modify schedule parameters, please refer to the OCCPC01S configuration table (see section 6.2.6.1.1). Variable Displayed text Status...
Page 89 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 89/230 6.2.6.2 OCCPC02S schedule: Setpoint control This timer program (schedule 2, OCCPC02S) provides a means to automatically switch the active setpoint from an occupied setpoint to an unoccupied setpoint. Cooling/heating setpoint 1 is used during occupied periods and cooling/heating setpoint 2 during unoccupied periods.
Page 90 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 90/230 6.2.6.2.2 OCCPC02S: Setpoint control maintenance table Parameters given in the OCCPC02S maintenance table are read-only and cannot be modified. To modify schedule parameters, please refer to the OCCPC02S configuration table (see section 6.2.6.2.1). Variable Displayed text Status...
Page 91 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 91/230 Holiday Menu – HOLIDAY 6.2.7 The control allows the user to set 16 holidays which are defined by day, month and duration in days. There is one submenu for each holiday period (HOLDY_01 to HOLDY_16).
Page 92 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 92/230 Date/Time – DATETIME 6.2.8 Table Name: DATETIME //SYSTEMMENU/ Displayed text * Point Status Default Unit Name Connect Touch Connect Touch 2.0 Daylight Saving Time on/off Greenwich Mean Time (UTC)
Page 93 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 93/230 Control Identification – CTRLID 6.2.9 Table Name: CTRLID //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit Element Number 1 to 239 Bus Number 0 to 239 Baud Rate 9600 / 19200 / 38400...
Page 94 2 = Heat Pump 150-202 720 RPM Unit Capacity Model: 240-600 960 RPM CIAT: 150, 180, 200, 240, 300, 390, 450, 520, 600 1 = multiple maximum fan speeds feature, Electrical Heater Select: option 15LS_1 (low sound) 0 = no EHS Unit size...
Page 95 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 95/230 Table Name: FACTORY //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit 0 none, 1 LP, 2 HP dual_pmp Factory Dual Water Pump no/yes vsd_pump Var Speed Water Pump Sel...
Page 96 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 96/230 6.2.11 Option Selection – OPT_SEL Table Name: OPT_SEL //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit boil_en Boiler Enable no/yes ehs_en EHS Number 0 to 4 fc_en DC Free Cooling Enable...
Page 97 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 97/230 6.2.12 Service Parameters – SERVICE1 Table Name: SERVICE1 //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit 2.7 to 8 sh_sp_a EXV A Superheat Setpoint 5 to 14.4 2.7 to 8 sh_sp_b...
Page 98 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 98/230 Table Name: SERVICE1 //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit -7.0 °C SstDfrB SST lim Dfr Tmr B 19.4 °F no/yes LSheat Reduce speed in heating *Displayed text may differ depending on the language selected.
Page 99 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 99/230 6.2.13 Running Hour Config – UPDTHOUR Table Name: UPDTHOUR //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit hr_mach Machine Operating Hours 0 to 99999999 hour st_mach Machine Starts...
Page 100 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 100/230 6.2.14 Master Slave Config – MST_SLV Table Name: MST_SLV //MAINMENU/CONFIG/ Point Name Displayed text * Status Default Unit MASTER/SLAVE CONTROL ms_sel Master/Slave Select 0 to 2 0 = Disable 1 = Master...
Page 101 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 101/230 6.2.15 Compressors Unable – CP_UNABL This "Compressors Unable" table includes a set of parameters used to disable each compressor for some maintenance purposes. When one of the following compressor parameters is set to "yes", the compressor will be excluded from the capacity control process and the alarm will not be triggered.
Page 102 The Add Options menu is used to install the Software Activation Key(s) required to activate options such as Brine or BACnet (see section 7.21 Software options activation). Please use the software key provided by CIAT representative in order to enable the software-protected option. 6.2.18 Miscellaneous Service – MSC_SERV...
Page 103 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 103/230 6.3 NETWORK PARAMETERS MENU – NETWORKS The Network Parameters menu allows users to set a number of parameters related to the network control. Menus accessed via the Network Parameters menu are as follows: Icon Menu name...
Page 104 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 104/230 ModbusRTU Config. – MODBUSRS 6.3.1 //MAINMENU/CONFIG/ Table Name: MODBUSRS NETWORKS Point Name Displayed text * Status Default Unit modrt_en RTU Server Enable no / yes ser_UID Server UID 1 to 247...
Page 105 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 105/230 Modbus TCP/IP Config. – MODBUSIP 6.3.2 //MAINMENU/CONFIG/ Table Name: MODBUSIP NETWORKS Point Name Displayed text * Status Default Unit modip_en TCP/IP Server Enable no / yes ser_UID Server UID...
Page 106 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 106/230 Email Configuration – EMAILCFG 6.3.4 //MAINMENU/CONFIG/ Table Name: EMAILCFG NETWORKS Point Name Displayed text * Status Default Unit senderP1 Sender Email Part1 senderP2 Sender Email Part2 recip1P1 Recip1 Email Part1...
Page 107 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 107/230 6.4 MAINTENANCE MENU – MAINTAIN The maintenance menu provides access to a wide variety of unit parameters, including capacity control, fans and pumps drives status and many more.
Page 108 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 108/230 Capacity EXV Ctrl – LOADFACT 6.4.1 Table Name: LOADFACT //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit ctrl_avg Average Ctrl Water Temp °C / °F diff_wt Differential Water Temp...
Page 109 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 109/230 Drive Maintenance – DRV_CTRL 6.4.2 Table Name: DRV_CTRL //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit FAN DRIVE A addr_1 Fan Drive A Address cmd_rpm1 Fan A Speed Cmd in RPM drvpwr_1...
Page 110 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 110/230 Table Name: DRV_CTRL //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit SET DRIVE ADDRESS SET_DRV Attach LEN Drive 0 to 3 0 = Process Inactive 1 = varifan A1 2 = varifan A2 or B 3 = pump...
Page 111 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 111/230 Master/Slave Main – M_MSTSLV 6.4.3 Table Name: M_MSTSLV //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit disable / master / mstslv Unit is Master or Slave disable slave ms_ctrl...
Page 112 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 112/230 Defrost Main – DEFROST 6.4.4 Table Name: DEFROST //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit CIR A DEFROST CONTROL frost_a Exchanger Frost FactorA def_se_a Next Sequence Allowed in def_ac_a...
Page 113 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 113/230 Last PowerOn reset – LAST_POR 6.4.5 Table Name: LAST_POR //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit date_on1 PowerOn1: day-mon-year time_on1 PowerOn1: hour-minute date_of1 PowerDown1: day-mon-year time_of1...
Page 114 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 114/230 Protection Limit – PR_LIMIT 6.4.6 Table Name: PR_LIMIT //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit CIRCUIT A sdtlim_a Discharge A Gas Limit °C / °F sdt3m_a SDT A Average 3 minutes...
Page 115 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 115/230 Service Maintenance – SERMAINT 6.4.7 Table Name: SERMAINT //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit S_RESET Reset Maintenance Alert 0 to 6 1 - reset all OPERATION WARNINGS charge_m...
Page 116 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 116/230 Head Control – HEADCTRL 6.4.8 Table Name: HEADCTRL //MAINMENU/MAINTAIN/ Point Name Displayed text * Status Default Unit Outdoor Air Temperature CIR A HEAD PRESSURE CTRL condsp_a Computed Cond Setpoint fanseq_a...
Page 117 FLASH Memory utilization 0 to 100 *Displayed text may differ depending on the language selected. If the value displayed is close or equal to 100%. A note could be reported to the CIAT quality department. EOL Resistor – EOLRES 6.5.2 The End of line resistor can be useful to improve RS485 communication signals.
Page 118 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 118/230 Network – NETWORK 6.5.3 Table Name: NETWORK //SYSTEMMENU/ Displayed text * Point Status Default Unit Name Connect Touch Connect Touch 2.0 IP Network Interface J5 Ethernet 0 (J5) (eth0): MAC Address...
Page 119 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 119/230 Date/Time – DATETIME 6.5.4 Table Name: DATETIME //SYSTEMMENU/ Displayed text * Point Status Default Unit Name Connect Touch Connect Touch 2.0 Daylight Saving Time on/off Greenwich Mean Time (UTC)
Page 120 Displayed text * Status Default Unit Software Version ECG-ST-20V4B100 SDK Version N.NNN.N UI Version Brand CIAT *Displayed text may differ depending on the language selected. Hardware Info – HWINFO 6.5.8 Table Name: HWINFO //SYSTEMMENU/ Point Name Displayed text * Status Default...
Page 121 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 DETAILED MENU DESCRIPTION 121/230 6.6 ALARMS MENU The Alarms menu provides access to the alarm histories, shows current alarms that are active on the unit and allows users to reset alarms.
Page 122 122/230 7 CONTROL OPERATIONS This section provides an overview of the CONNECT TOUCH control functionalities together with some configuration instructions. It explores the control logic of each function available for the series of Aquaciat LD chillers / ILD heat pumps and should be used as a guide for facilitating the configuration of control options.
Page 123 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 123/230 7.2 UNIT START/STOP The unit may operate in one of the following modes: • ON: The unit start is allowed, but not required. It is started in the case of cooling / heating demand. •...
Page 124 Emergency Stop [EMSTOP] Disable/Enable 7.3 RUNTIMES MANAGEMENT Connect Touch control allows users to monitor unit How to access the run times runtimes. Runtimes are the running hours of a particular The runtimes can be accessed in the Run Times menu part of the unit, for example, pump, compressor, etc.
Page 125 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 125/230 7.4 HEAT/COOL MODE Aquaciat LD chillers can operate in Cooling mode. Aquaciat ILD heat pumps can operate in either Cooling or Heating mode. The unit may operate in accordance with the following modes: Cool: Unit will run in cooling mode.
Page 126 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 126/230 7.4.2 Heating/Cooling selection Regardless of the unit type, the default heat/cool mode is the cooling mode. It means that in some inconsistent cases (e.g., auto heat/cool selection without auto changeover configuration), the unit will be still operating in Cooling mode. When the unit is a cooling-only unit and no additional heating is configured (no boiler is added), it will be forced in cooling mode regardless of changeover configuration or heat/cool selection.
Page 127 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 127/230 7.5 HEATING CONTROL Aquaciat LD chillers may be fitted with a boiler (such chillers may run in Heating mode). Aquaciat ILD heat pumps may be fitted with a boiler or additional electric heating (to be used in case of heat pump failure or when needed due to very low outside air temperature).
Page 128 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 128/230 7.5.2 Electric heating option In case of Aquaciat ILD heat pumps, up to 4 electric heating stages (ehs) can be activated as supplemental heating or replacement heating when operating conditions are not suitable for mechanical heating.
Page 129 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 129/230 Last electric heating stage for backup The last electric stage can be used for backup only when the option is configured and the unit shuts down due to failure or protection mode.
Page 130 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 130/230 7.6 CONTROL POINT The control point represents the calculated water temperature setpoint that the unit must achieve. • The control point for a given unit may differ depending on the fluid type (water=1, medium brine=2, low brine=3). It refers to the temperature that is set between the maximum and minimum setpoint values.
Page 131 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 131/230 7.6.1.3 Cooling & heating setpoint limits The setpoint limit may differ depending on the unit type, fluid type, options installed on the unit as well as unit configuration, including optional entering fluid control.
Page 132 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 132/230 7.6.1.4 Active setpoints Active setpoint is the setpoint that is currently active on the unit. • Cooling setpoint 1 (occupied) / cooling setpoint 2 (unoccupied) are used in Cooling mode. •...
Page 133 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 133/230 7.6.2 Reset calculation Reset means the active setpoint is modified so that less unit capacity is required; in the cooling mode, the setpoint is typically increased, whereas in the heating mode the setpoint is typically decreased.
Page 134 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 134/230 7.7 ELECTRONIC EXPANSION VALVE (EXV) The electronic expansion valve controls the amount of refrigerant flowing into the evaporator coil. The valves control is based on the saturated suction temperature measured by a suction pressure transducer converted to a saturated temperature.
Page 135 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 135/230 7.7.3 Overrides Priority in Cooling Override Description Very Low Saturated Suction Temperature EXV is moved towards the open position. Low Saturated Suction Temperature EXV opening is increased EXV is moving to the closed position due to superheat Low Superheat Prediction decreasing...
Page 136 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 136/230 7.8 CAPACITY CONTROL 7.8.1 Capacity control management The system controls the leaving fluid temperature or the entering fluid temperature or the common entering and leaving fluid temperature.
Page 137 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 137/230 7.8.3 Ramp loading Ramp loading allows for minimising the rate at which the water temperature changes. When chilled water temperature reaches the ramp loading setpoint, the control slows down the process at which the compressor loads or unloads. The ramp loading function can be modified by the user.
Page 138 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 138/230 Override Description Low temperature cooling: Used to take compressor stages off quickly when the controlled fluid 5 (circuit A) temperature is below the adjustable dead-band and it is still decreasing. High temperature heating: Used to remove compressors stages quickly when the water exchanger 6 (circuit B) temperature is above the adjustable dead-band and it is still increasing.
Page 139 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 139/230 7.9 CAPACITY LIMITATION The capacity limitation function determines the unit maximum allowable capacity that can be run. Limitation value is given in percentage, where 100% means that no unit capacity limitation is required. Capacity limitation may be caused by (1) demand limit, (2) lag capacity limit control in the case of units operating in the Master/Slave assembly or (3) night capacity limit setting.
Page 140 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 140/230 7.9.3 Night mode limit control The night mode allows users to configure the unit to operate with specific parameters within a given period of time, e.g. night period.
Page 141 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 141/230 7.11 TRENDING 7.11.1 Trending points The Trending function is used to visualize the unit's operations that are displayed in the form of a bar graph accessed via the user interface or any modern web browser.
Page 142 Service Tool account and Licence (“ProView onboarding procedure” document describes how to get the license, available at https://intranet.ciat.com/documentation) • Service Tool application (available at https://intranet.ciat.com/documentation) To upload the trending file on your computer, please do the following: Open Service Tool (Carrier ProView).
Page 143 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 143/230 Click at the bottom of the left-side panel in order to open the File Transfer/Firmware Update menu. Then, click “select” and choose the PIC6 controller from the drop-down menu (“Select Controller”). Provide unit credentials and click Unit credentials: •...
Page 144 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 144/230 Choose Retrieve Log/file(s) from Controller, and then select Retrieve Trends (.csv) and click Before uploading the file on the computer, it’s necessary to specify the folder path. •...
Page 145 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 145/230 The file will be uploaded in your destination folder. Example: The destination folder will be the Carrier ProView Service Tool installation path “…/UTC/CST/Upload/ “. •...
Page 146 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 146/230 7.12 WATER EXCHANGER PUMPS CONTROL 7.12.1 Hydronic module overview The hydronic module allows for continuous monitoring of the water flow rate. The hydronic module includes internal water pump and water pressure sensors.
Page 147 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 147/230 7.12.5 Automatic pump control If the pump auto control sequence has been selected [pump_seq] in the Pump Configuration menu (PUMPCONF), the control selects the active pump based on its run hours and the configured pump rotation delay [pump_del]. For units fitted with two pumps, the auto pump changeover may take place when the compressor is OFF.
Page 148 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 148/230 7.12.7 Flow switch check when pump is OFF Depending on configuration, it is possible to verify the How to set flow switch check (customer pumps) water (or brine) flow when the unit is off.
Page 149 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 149/230 External Variable Speed Pump control is based on the following logic: When DCFC is active, the following inputs are used: • setpoint = DCFC_CFG menu / dt_setp •...
Page 150 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 150/230 7.13 VARIABLE SPEED PUMPS The speed of variable speed pumps is based on the water loop control. The water pressure management function computes delta water pressure before and after the water pump starts, allowing for monitoring water pressure drop in the filter, the water flow in the loop.
Page 151 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 151/230 How to set delta T control parameters How to set delta P control parameters Delta T control setpoint can be set in the Pump Delta P control setpoint can be set in the Pump Configuration table (PUMPCONF).
Page 152 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 152/230 7.15 DEFROST CONTROL During winter months heat pumps may have to undergo the defrost cycle. When the ambient temperature gets cold, the moisture in the air freezes on the outdoor unit's heat exchanger as the fan blows the air across it. The control detects the frost built on the outdoor coil and, if necessary, starts the defrost process.
Page 153 153/230 7.16 FREE DEFROST The Connect Touch control also comes with the free defrost functionality. Likewise standard defrost session, the free defrost is used to heat the evaporator coil to eliminate the frost that might have formed on its surface.
Page 154 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 154/230 7.17 FAN CONTROL: COOLING HEAD PRESSURE Fans are used to maintain the optimal head pressure that is the pressure read at the compressor outlet. Variable speed fans are used to provide multiple levels of speed for comfort and energy efficiency.
Page 155 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 155/230 7.17.3 Maximum fan speed The maximum fan speed depends on the fan type and selected options. Maximum fan speed Max Fan Speed Details (FACTORY, fan_spd) 150-202 240-600 standard...
Page 156 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 156/230 7.17.4 Fan speed vs unit size and options Maximum fan speed depending on unit size and options Fixed Speed Option 15LS_1 Option 16 Low Speed High Speed Low Max High Max...
Page 157 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 157/230 7.17.5 Fan control overview 7.17.5.1 Fixed speed fans Fixed speed fans can operate per stage at low speed or high speed. Fan staging is determined in function of the OAT and SCT.
Page 158 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 158/230 7.17.5.2 Mixed fan control This function is used to control a fixed speed fan when coupled with a variable speed fan on a same circuit. Refer to varifan control the variable fan speed definition.
Page 159 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 159/230 7.17.5.3 Variable-speed fan control Varifan control shall be used when the unit is fitted with one or two variable speed fans. • The circuit Varifan option is a variable speed condenser fan motor that is directly controlled through a 0-10 Vdc signal or through the LEN bus provided by the basic board.
Page 160 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 160/230 7.17.6 Condensing setpoint calculation The saturated condensing setpoint is calculated so as to ensure the following: • In Night Mode, the condensing setpoint is set with the maximum condensing setpoint value. •...
Page 161 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 161/230 7.18 DRY COOLER FREE COOLING (DCFC) AQUACIAT LD chillers and AQUACIAT ILD heat pumps may be fitted with a dry cooler that enables power consumption reduction which amounts to energy and cost savings.
Page 162 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 162/230 7.18.2 Free Cooling temperatures How to verify DCFC water loop temp. How to set Free Cooling START Valve threshold Dry Cooler Free Cooling water loop temperature can be Dry Cooler Free Cooling start valve threshold can be verified via the DC Free Cooling Status menu modified in the DC Free Cooling Config menu...
Page 163 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 163/230 7.18.3 Fan Configuration Depending on the number of fan lines [nb_line], the number of fans [nb_fan] can be set as follows: • The [nb_fan] parameter can be set between 1 and 7 if [nb_line] is set to 1. •...
Page 164 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 164/230 7.19 MASTER/SLAVE CONTROL FOR TWO CHILLERS This function is used to perform master/slave control between two chillers linked by the proprietary network (J7 connection). Master and slave chillers must operate on the same bus. When the water control is done on the outlet side, the master chiller and the slave chiller have an additional CHWS sensor that is located on the common chilled leaving piping (this sensor is connected on each chiller basic board).
Page 165 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 165/230 7.19.2 Lead/Lag Chiller Selection The control automatically determines which chiller is configured as the lead chiller and which chiller is configured as the lag chiller. This selection is based on the wear factor. If the lead lag balance select has been enabled, then the lead chiller shall be determined upon unit operating hours.
Page 166 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 166/230 7.19.3 Master Chiller Status The master unit is the chiller configured in the Master Slave config menu (MST_SLV). The unit configured as the master unit monitors all external commands such as start/stop, demand limiting, setpoint selection or setpoint reset, even if the unit is currently operating as the lag chiller.
Page 167 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 167/230 7.19.5 Master/Slave Assembly Error Errors that emerged during the master/slave operation may affect the whole system. In the event of the master/slave error (ms_error), information is displayed in the Master Slave Control menu in the Maintenance menu (M_MSTSLV). Error Description The master or slave water pump is not configured (pump_seq = 0) while the control of the lag unit...
Page 168 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 168/230 7.19.6 Master/Slave Assembly The figures below illustrate master/slave application for the most common plant layouts. Two chillers must be connected using a shielded cable in order to avoid communication problems. 7.19.6.1 Typical parallel configuration with dedicated primary pumps Figure 3: Typical parallel configuration with dedicated primary pumps •...
Page 169 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 169/230 7.19.6.3 Typical parallel configuration with isolation valves Figure 5: Typical parallel configuration with isolation valves • This configuration is recommended when the pump control is the responsibility of the customer. The electronic valves are used to isolate the stopped circuit, thus help to avoid reinjecting some hot water at the end of the loop.
Page 170 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 170/230 7.20 SERVICE MAINTENANCE The control comes with a service maintenance functionality that allows users to schedule critical service maintenance operations. The service maintenance option allows for controlling the following operations: •...
Page 171 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 171/230 When resetting the service maintenance alert in the SERMAINT menu (S_RESET), the following values given on the right side of this page will be recalculated in accordance with the selected maintenance alert type. mth_freq when mntn_typ is set to "1"...
Page 172 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 172/230 7.21 REFRIGERANT LEAKAGE DETECTION 7.21.1 General information For units with the refrigerant leakage detection option, the controller will detect R32 refrigerant leakage. There are two versions of option 159 (refrigerant leakage detection): •...
Page 173 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 173/230 7.21.3 Refrigerant leakage detection – option 159C Each circuit can be fitted with one R32 leakage detection sensor. In case the refrigerant leakage is detected, the alarm will be triggered and the compressor will be stopped (alarm 10227 for circuit A and alarm 10228 for circuit B).
Page 174 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 174/230 SENSOR CALIBRATION The calibration can be performed by service technicians in the Leakage Detector menu only in Service mode. This calibration can be done only on the local touch screen (it is not possible to calibrate leakage detections sensors via the web interface).
Page 175 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 175/230 7.22 HEATING OPTIMIZED (OPTION 119D) 7.22.1 General description The Heating Optimized option is used to enhance the heat pump performance in Heating mode and achieve higher Leaving Water Temperature thanks to inverting the input and output of the water loop in Heating mode.
Page 176 *If it happens that a functionality that requires Software Activation Key had been factory-installed, the Software Activation Key associated with that option can also be delivered by your local CIAT Service representative. For example, in case the controller touch panel is replaced, it is mandatory to install the software activation key; otherwise, the software-protected functionality would be disabled (see also section 7.23.5).
Page 177 • Service Tool account and Licence (“ProView onboarding procedure” document describes how to get the license, available at https://intranet.ciat.com/documentation) • Service Tool application (available at https://intranet.ciat.com/documentation) see also section 2.2.1 “ ” Service Tool: ProView (where to download) To install the software activation key via ProView service tool, do the following: Open Service Tool (Carrier ProView).
Page 178 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 178/230 Once logged in, the home screen will be displayed. Click Firmware Update. Open the File Transfer/Firmware Update menu Select the PIC6 controller from the drop-down menu (“Select Controller”). Go to –...
Page 179 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 179/230 Provide unit credentials and click • Device IP: 169.254.1.1 • User Name: service factory • Password: Password generated with QR code (see section Error! Reference source not found. Error! Reference source not found.) “Service”...
Page 180 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 180/230 Click the Send file to controller field. Select Software Protection Key (*.txt) and click Locate the softprotect_options.txt file containing the installation key(s) and click Open. 10.
Page 181 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 181/230 7.23.4.2 Installing Software Activation Key via user interface Before installing the software activation key, please make sure that the unit state is "Off". To install the software activation key via the Connect Touch user interface, do the following: Log in as a user (default password = 11).
Page 182 The Replacement mode ends when the new Software Installation Key is added or the period of 7 days elapsed (7 days since the first compressor start). Contact CIAT ERCD to get your Software Activation Key and please remember that controller MAC address will be requested.
Page 183 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 183/230 7.23.6 Controller MAC address When requesting the Software Activation Key, the controller MAC address must be provided. The Controller MAC address can be checked with the following methods: •...
Page 184 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 184/230 7.23.6.2 Checking controller MAC address by running the arp -a command How to verify the MAC address: Open Command Prompt. Type the “arp –a” command at a command prompt. Example: C:\Users\John.Smith\arp –a This displays the list of ARP cache entries, including device MAC addresses.
Page 185 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 185/230 7.24 QUICK TEST FUNCTION The quick test function is used to drive a quick test, giving the possibility to verify that all unit controlled outputs are operating properly.
Page 186 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 186/230 7.24.5 Free Cooling Dry Cooler Test Free Cooling dry cooler test allows the user to verify the proper functioning of the dry cooler option. •...
Page 187 7.25 CHILLER WATER FLUID TYPE: BRINE OPTION CIAT chillers offer the selection of chiller fluid types, where by default the Cooler Fluid Type [flui_typ] is set to fresh water (flui_typ = 1). The brine fluid type is normally used in sub-zero temperature applications.
Page 188 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 188/230 7.25.2 Freeze setpoint setting For Cooler Fluid Type set to water (flui_typ = 1): How to set the freeze setpoint Brine Setpoint [freezesp] value is ignored. By default, The freeze setpoint can be set via the Service freeze_sp = 1.1°C (34°F) Configuration menu (SERVICE1).
Page 189 7.26 BACNET OPTION 7.26.1 General information The CONNECT TOUCH control provides BACnet routing capabilities. BACnet is a data communication protocol for building automation and control networks. BACnet is based on a client-server model and BACnet messages are referred to as "service requests". The client machine ("user interface") sends the request to the server machine ("field device") that reports the result.
Page 190 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 190/230 7.27 MODBUS OPTION 7.27.1 General information Modbus RTU: Refresh time period for Modbus communication When setting Modbus communication, it is highly recommended to set the refresh time period to 1 second or 5 seconds.
Page 191 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 191/230 7.28 DIAGNOSTIC FUNCTION The diagnostic function protects the unit against any damages. It controls the unit state and warns against any abnormal conditions that could result in the failure of the unit (see also section 7.31). 7.28.1 Alarms The control provides a record of 10 current alarms and gives access to the alarm history.
Page 192 Alarm history can be accessed through the Connect Touch user interface or the Network Service Tool. 7.28.6 Alarm notifications The Connect Touch control provides the option to define How to change e-mail address one or two recipients who receive e-mail notifications...
Page 193 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 193/230 7.29 TECHNICAL/DEVELOPER LOG FILES (USB LOG) 7.29.1 USB Log screen The Usb Log screen can be accessed in the System menu when logged in at service or factory level. This menu can be used to retrieve technical/developer log files from the controller.
Page 194 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 194/230 CollectionName_MACID_YYYY_MM_DD_HH_MN_SS_UTC Logs will be saved in the following folder: • If “Technical Data” in the Usb Log menu were set to “Yes”, the TECHNICAL_DATA subfolder with logs inside will be created.
Page 195 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 195/230 7.30 BLACK BOX FUNCTION The Black box function provides an option to track all failures that occurred on the unit. • Twenty collects and one chiller alarm event can be stored thanks to the black box. •...
Page 196 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 196/230 In order to access the black box, perform the following steps: Open the Service Tool (Carrier ProView). Once logged in, the home screen will be displayed. Click “Firmware Update”. Click and then select the PIC6 controller from the drop-down menu.
Page 197 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 197/230 The File Transfer / Firmware Update menu will be displayed. Select Retrieve Log/file(s) from Controller. Before uploading the file on the computer, it’s necessary to specify the folder path. •...
Page 198 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 198/230 Select Retrieve Equipment Data Recorder (blackbox) (.csv) and click The file will be uploaded in your destination folder. Example: The destination folder will be the ProView Service Tool installation path “…/UTC/CST/Upload/ “. •...
Page 199 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 199/230 Unzip the UploadedData_YYYYMMDDHHMNSS.zip file to see events stored in the black box. 10. Go back to the ProView service tool and click the waste basket icon to erase the blackbox.
Page 200 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 200/230 7.30.3 Event collects Depending on configuration in the Service Configuration menu (SERVICE1), the collected data can be stored in Metric or Imperial format, [b_metric] in the Service Configuration menu (SERVICE1). After uploading the events with the ProView Service tool, the collect buffer will be erased.
Page 201 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 201/230 Point Name Description Unit configuration alarm_2c Current Alarm 2 alarm_3c Current Alarm 3 alarm_4c Current Alarm 4 alarm_5c Current Alarm 5 mstslv Unit is Master or Slave Master/Slave in effect W_P_OUT Outlet Water Pressure...
Page 202 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 202/230 7.31 ALARM CODES 7.31.1 General alarms The following table includes a list of alarms with their probable cause and its effect on the unit. JBus Code Alarm description...
Page 203 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 203/230 JBus Code Alarm description Reset type Action taken Possible cause code COIL SUCTION GAS 15045 As above As above As above THERMISTOR SENSOR 2 CIRCUIT A DISCHARGE GAS 15015 As above...
Page 204 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 204/230 JBus Code Alarm description Reset type Action taken Possible cause code LOSS OF COMMUNICATION WITH 4703 As above Circuit B shuts down As above VFD FAN DRIVE 1 CIRCUIT B Unit is restarted with another pump LOSS OF COMMUNICATION WITH...
Page 205 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 205/230 JBus Code Alarm description Reset type Action taken Possible cause code COMPRESSOR A1 NOT STARTED Compressor breaker or fuse fault, 10016 OR PRESSURE INCREASE NOT Manual Compressor A1 shuts down compressor switch open...
Page 206 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 206/230 JBus Code Alarm description Reset type Action taken Possible cause code No factory code defined (FACTORY_fac_code) or not equal Automatic, if configuration is to 33 and no water pressure 7002 Undefined water pump Unit cannot be started...
Page 207 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 207/230 JBus Code Alarm description Reset type Action taken Possible cause code CIRCUIT B - REPEATED HIGH 10038 As above None As above DISCHARGE GAS OVERRIDES Manual CIRCUIT A - REPEATED LOW 10040...
Page 208 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 208/230 JBus Code Alarm description Reset type Action taken Possible cause code Unit is restarted with another pump 21nnn VFD PUMP 1 DRIVE FAILURE Automatic running.
Page 209 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 209/230 JBus Code Alarm description Reset type Action taken Possible cause code Automatic, when water flow 11207 WATER LOOP: FLOW TOO LOW None (alert) Water loop pressure drop too high reading returns to normal WATER LOOP: PRESSURE 11208...
Page 210 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 210/230 JBus Code Alarm description Reset type Action taken Possible cause code This alert is applicable to units that have DCFC with OAT sensor configured (OPT_SEL, fc_en=1). The alert is raised when: DCFC_STA\oat <...
Page 211 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 211/230 JBus Code Alarm description Reset type Action taken Possible cause code Thermistor failure FREE COOLING WATER LOOP Automatic, if thermistor 15046 Free cooling is disabled Defective thermistor THERMISTOR FAILURE reading returns to normal...
Page 212 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 212/230 JBus Code Alarm description Reset type Action taken Possible cause code COMPRESSOR RUNNING 10211 As above Unit shuts down As above OUTSIDE MAP - CIR B Configuration failure Automatic, if configuration is 8001...
Page 213 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 213/230 JBus Code Alarm description Reset type Action taken Possible cause code For units with leakage alarm enabled (USERCONF, leak_alm = "yes"): Circuit A shuts down when the refrigerant leakage is detected ("alarm") For units with leakage alarm disabled Refrigerant leakage detected...
Page 214 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 214/230 7.31.2 Fans and pumps drive alarms Fan drive alarms are displayed based on the following formula: 17-YYY to 19-YYY (17=A1, 18=A2, and 19=B) for alarms (YYY stands for the alarm code). Pump drive alarms are displayed based on the following formula: Pump drive alarms are displayed as 21-YYY for pump 1 (YYY stands for the alarm code).
Page 215 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 215/230 Code Description Code Action to be taken CPU fault E-21 As above Closed damper 1 fault As above Opened damper 2 fault As above Multi-motors overload error OL2M As above...
Page 216 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 216/230 7.31.3 Leakage detector warnings Leakage detection warnings are displayed as follows: 60nnn = Leakage detector A Warning (circuit A) 62nnn = Leakage detector B Warning (circuit B) IMPORTANT: It is possible to have more than one warning active at the same time.
Page 217 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 217/230 Code Warning Description Action to be taken (nnn) The sensor is still working correctly, but its functioning can be affected. • If this warning message appears in WRONG VALUES on the active case of very high gas concentration, channel: Active signal is too low...
Page 218 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 CONTROL OPERATIONS 218/230 7.31.4 Leakage detector errors Leakage detection errors are displayed as follows: 61nnn = Leakage detector A Error (circuit A) 63nnn = Leakage detector B Error (circuit B) Code (nnn) Error Condition Action to be taken...
Page 219 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page COMMUNICATION PROBLEM SERVICE GUIDE 03/2024 219/230 TROUBLESHOOTING 8 COMMUNICATION PROBLEM TROUBLESHOOTING 8.1 HARDWARE PROBLEMS Symptoms Possible causes Checks to be made Solution The unit does not respond to Problem at the RS485 Check the cable connections.
Page 220 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page COMMUNICATION PROBLEM SERVICE GUIDE 03/2024 220/230 TROUBLESHOOTING UNCHECK The unit cannot automatically obtain the network parameters via a DHCP server. Go to – Table of Contents...
Page 221 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page COMMUNICATION PROBLEM SERVICE GUIDE 03/2024 221/230 TROUBLESHOOTING 8.3 ETHERNET/IP TROUBLESHOOTING 8.3.1 The unit is point-to-point connected to a PC The cable can be either crossed or uncrossed. The unit is energised. It may be necessary to check the Ethernet connection and/or carry out the PC network board configuration (see also section 8.3.3).
Page 222 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page COMMUNICATION PROBLEM SERVICE GUIDE 03/2024 222/230 TROUBLESHOOTING If it is still impossible to access the unit, open the command prompt. In order to open the Command Prompt, please perform the following steps: Open a command prompt under Windows using one of the following methods: •...
Page 223 Connect Touch AQUACIAT LD / ILD: Version I ECG-SG-20-004 Page COMMUNICATION PROBLEM SERVICE GUIDE 03/2024 223/230 TROUBLESHOOTING PROXY SERVER AND AUTOMATIC CONFIGURATION SCRIPT To check these parameters using any modern web browser, e.g. Internet Explorer (version 11 or higher), perform the following steps: Click the Tools button and select "Internet Options"...
Page 224 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 BOARDS DESCRIPTION 224/230 9 BOARDS DESCRIPTION 9.1 SIOB/CIOB BOARD CIRCUIT A MAPPING (150 - 600 UNIT SIZE) Address = 0,49 (Bus #0 – Element #49) SIOB/CIOB BOARD DIP Switch =0 0 0 0 Item Input/Output...
Page 225 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 BOARDS DESCRIPTION 225/230 9.2 SIOB/CIOB BOARD CIRCUIT B MAPPING (150 - 600 UNIT SIZE) Address = 0,50 (Bus #0 – Element #50) SIOB/CIOB BOARD DIP Switch =0 0 0 1 Item Input/Output Point name...
Page 226 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 BOARDS DESCRIPTION 226/230 9.3 AUX1 BOARD MAPPING Address = 0,86 (Bus #0 – Element #86) AUX1 BOARD (0x52) = (0101 0010)b Channel Input/Output Point name Description DO-01 Triac EHS1 Electrical Heat Stage #1...
Page 227 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 BOARDS DESCRIPTION 227/230 9.4 DRY COOLER FREE COOLING (OPTION 313) BOARD MAPPING Address = 0, 90 (Bus #0 – Element #90) AUX1 BOARD DIP Switch = 0101 1001 Channel In/Out Type Parameter Mnemonic...
Page 228 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 APPENDIX 228/230 10 APPENDIX 5K RESISTOR, RESISTANCE VS. TEMPERATURE CURVE Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance (°C) (°F) (OHM) (°C) (°F)
Page 229 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 APPENDIX 229/230 Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance (°C) (°F) (OHM) (°C) (°F) (OHM) (°C) (°F) (OHM) (°C) (°F) (OHM) (°C)
Page 230 Version I ECG-SG-20-004 Connect Touch AQUACIAT LD / ILD: Page SERVICE GUIDE 03/2024 APPENDIX 230/230 Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance (°C) (°F) (OHM) (°C) (°F) (OHM) (°C) (°F) (OHM) (°C) (°F) (OHM) (°C)

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