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WATER COOLED CENTRIFUGAL CHILLERS

•

DWSC Vintage C

•

DWDC Vintage C

REV

Date

08/2022

Supersedes

D-EOMWC00803-6_00EN

Operating Manual

D-EOMWC00803-26_01EN

Содержание DWSC - Vintage C

Страница 1: ...WATER COOLED CENTRIFUGAL CHILLERS DWSC Vintage C DWDC Vintage C REV 01 Date 08 2022 Supersedes D EOMWC00803 6_00EN Operating Manual D EOMWC00803 26_01EN...

Страница 2: ...n Menu 12 4 2 View Set Unit 12 Thermostat Ctrl 13 Network Ctrl 13 Pumps 13 Condenser 13 Evaporator 14 Master Slave 14 4 2 6 1 Data 14 4 2 6 2 Options 15 4 2 6 3 Thermostat Ctrl 15 4 2 6 4 Timers 15 4...

Страница 3: ...5 1 4 4 Setpoint Reset by External 4 20 mA Signal 30 5 1 4 5 Setpoint Reset by Evaporator Return Temperature 30 5 1 4 6 Soft Load 31 Scheduler 31 5 2 Unit Start up 31 Unit Status 31 Prepare the unit t...

Страница 4: ...n the controller The emergency stop causes all motors to stop but does not switch off power to the unit Do not service or operate on the unit without having switched off the main switch 1 2 Before swi...

Страница 5: ...e refrigeration circuits are called circuit 1 and circuit 2 The compressor in circuit 1 is labelled Cmp1 The other in circuit 2 is labelled Cmp2 The following abbreviations are used CEWT Condenser Ent...

Страница 6: ...ll boards can be also supplied by a 24Vdc source CAUTION Maintain the correct polarity when connecting the power supply to the boards otherwise the peripheral bus communication will not operate and th...

Страница 7: ...ripheral bus with the UC The UC continuously manages the information received from the various pressure and temperature probes installed on the unit The UC incorporates a program that controls the uni...

Страница 8: ...O f f U n i t S W A c t i v e S e t p t 7 0 C The active item is highlighted in contrast in this example the item highlighted in Main Menu is a link to another page By pressing the push n roll the HMI...

Страница 9: ...ED Mode Solid Green BSP running Solid Green Communication running I O working Solid Red Hardware Error Solid Red Communication down Flashing Red BSP Error Solid Yellow Communication running but parame...

Страница 10: ...ting diode located below the bell button The Remote can be ordered with the unit and shipped loose as a field installed option It can also be ordered any time after chiller shipment and mounted and wi...

Страница 11: ...Enter the following credential to get access to the web interface User Name ADMIN Password SBTAdmin The Main Menu page will be displayed The page is a copy of the onboard HMI and follows the same rule...

Страница 12: ...age Evaporator LWT 273 1 C Evaporator leaving water temperature link to Temperatures page Condenser LWT 273 1 C Condenser leaving water temperature link to Temperatures page W C units only Unit Capaci...

Страница 13: ...nt Sub Menu Default Range Description Evp Pmp Ctrl 1 Only 1 Only 2 Only Auto 1 Primary 2 Primary Set number of Evaporator pumps operational and which priority Evap Recirc Tm 30s 0 300s Water recircula...

Страница 14: ...ink is available only on the Master unit Timers Submenu Timers This link is available only on the Master unit Standby Chiller Submenu Standby Chiller This link is available only on the Master unit Dis...

Страница 15: ...sible only if the parameter M S Num Of Unit has been configured at least with value 4 Master Enable Enable Enable Disable This parameter allows to enable or disable locally the Master Chiller Control...

Страница 16: ...ed in the alarm log and to enable and disable the Quiet Mode Additionally it s also possible to set the starting and ending date for the DayLight Saving time DLS if used Quiet Mode is a feature that i...

Страница 17: ...ad Setpoint Reset Submenu for Setpoint Reset 4 2 10 1 Demand Limit Setpoint Sub Menu Default Range Description Demand Lim En Disable Disable Enable Demand Limit Enable Demand Limit 100 0 Demand Limit...

Страница 18: ...munication is established only if this parameter displays Connected Cntrlr ID Controller ID This parameter is helpful to identify the specific controller in DoS Remote Update Disable Disable Enable Al...

Страница 19: ...and repeat the steps in chapter 4 2 13 1 If there is no enough time to ask for a Password to Daikin Personnel ex an expected failure of the controller a set of Free Limited Password is provided in ord...

Страница 20: ...otocol settings page can be accessed via the path Main Menu Commission Unit SW Modbus MSTP The values that can be set are the same as those found on the Modbus MSTP option page with the relative drive...

Страница 21: ...ettings page can be accessed via the path Main Menu Commission Unit SW BACNet MSTP The values that can be set are the same as those found on the BACNet MSTP option page with the relative driver and de...

Страница 22: ...via the path Main Menu Commission Unit SW BACNet IP The values that can be set are the same as those found on the BACNet MSTP option page with the relative driver and depend on the specific system whe...

Страница 23: ...jumps to the page Temperatures This page resumes all the relevant water temperatures Setpoint Sub Menu Default Range Description Evap LWT 273 1 C Controlled water temperature Evap EWT 273 1 C Return w...

Страница 24: ...d 4 9 Timers This page indicates the remaining cycle timers for each circuit and the remaining staging timers When the cycle timers are active any new start of a compressor is inhibited Setpoint Sub M...

Страница 25: ...NA 27 0 310 0 Low pressure alarm prevention TZ with R1234ze Evap Water Frz 2 2 C 2 0 6 0 C Evaporator Water Freeze Limit Cond Water Frz 2 2 C 2 0 6 0 C Condenser Water Freeze Limit Flow Proof Time 15...

Страница 26: ...il Feed Pressure offset Oil Sump Pres Oil Sump e Pressure current reading includes the offset Oil Sump P Offset 0 0kPa Oil Sump Pressure offset Calibrations of the Evaporator Pressure and Suction Temp...

Страница 27: ...de is required This setting implies an operation with double setpoint which is activated through a customer supplied switch according to the following logic Switch OFF The chiller will work in cooling...

Страница 28: ...each setpoint Operating Mode Units Double Setpoint Input Scheduler LWT Setpoint Default Range Cool W C OFF Off On Setpoint 1 Cool LWT 1 7 0 C 4 0 C 15 0 C ON On Setpoint 2 Cool LWT 2 7 0 C 4 0 C 15 0...

Страница 29: ...up 2 Primary Set to this in case of twin pump with 2 running and 1 as a backup Power Conservation 5 1 4 1 Demand Limit Demand limit function allows the unit to be limited to a specified maximum load C...

Страница 30: ...Max Setpoint Reset valid for all active modes Start Reset DT Used on Setpoint Reset by Evaporator DT 5 1 4 4 Setpoint Reset by External 4 20 mA Signal The active setpoint is calculated applying a corr...

Страница 31: ...e BAS company how to start the unit Master Disable Unit is disabled by the Master Slave function Scheduler Disabled Unit is disabled by the time scheduler Unit Alarm A unit alarm is active Check the a...

Страница 32: ...ependently from the status of the individual enable switches 5 2 2 2 Keypad Enable The Keypad enable setpoint is not accessible by user password level If it is set to Disable contact your local mainte...

Страница 33: ...ur 1 Vfd by mean of a modulating 0 10V signal generated through a PID controller The following graph is an example of the modulating signal behavior in case of a PID control supposed to be purely prop...

Страница 34: ...at the monitor is connected to the PLC via Ethernet cable so that the PLC data is displayed correctly It allows the unit s operating parameters to be set and the data to be displayed At the top of the...

Страница 35: ...s the main information of the unit such as 1 Condenser Leaving Water Temperature 2 Condenser Entering Water Temperature 3 Evaporator Leaving Water Temperature 4 Evaporator Entering Water Temperature I...

Страница 36: ...ate the Touchscreen 6 Select the logging 7 Update the software version when a new release is available In addition the system device and the USB device if present storages are shown It is possible to...

Страница 37: ...ssible to track a maximum of 4 datapoints for each graph chart There are four customizable graph charts Two options are available to change the time range of the trend 1 20 minutes 2 1 hour To add a d...

Страница 38: ...ion integrates the current limit function which allows the unit to limit its capacity in order not to exceed a pre defined current setpoint This setpoint can be set in the unit display or can be chang...

Страница 39: ...t of its knowledge No express or implied warranty is given for the completeness accuracy reliability or fitness for particular purpose of its content and the products and services presented therein Sp...

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