Cetetherm IQ Heat Midi/Maxi

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2 Cetetherm IQ Heat Midi/Maxi Preconfigured DDC solution for Midi and Maxi. Ready to plug-in. Built in web pages for remote control. Quick feedback during alarms and deviations. No licens or extra programs needed. Alfa Laval Slide 2

3 Cetetherm IQ Heat Why use IQ Heat? Possible to directly solve heat problems before it starts to cost money. Solve the heat problem from the office instead of using the service car. Always available. Solve the problem from the office, hotell or airport. Possible to directly see who is responsible for the heat problem and what actions that are needed to solve the problem. The heat supplier, the heat customer or someone else? Easy to add modules/functions (energy saving, meter reading and data communication etc.) Only pay for what you are using. Plug and Play ready from factory, easy installation During heat problems, Alfa Laval can do remote service through Internet. Save time and get less phone calls from angry customers. Alfa Laval Slide 3

4 Cetetherm IQ Heat Siemens Saphir control platform Stable platform used for more than 10 years. Well known in cooling/heating applications. Module based platform. Easy to add extra I/O. Modules: TCP/IP, LonWorks, SMSalarm, M-Bus, extra I/O, Web-server, OPC, BacNet. When there is a tight investment budget. Modules/functions can be added later on. Alfa Laval Slide 4

5 Cetetherm IQ Heat System types 1 heat circuit IQ Heat 50 2 heat circuits IQ Heat 60 1 heat circuit and hot water IQ Heat heat circuits and hot water IQ Heat 110 Valve types One valve Sequense valve on Heat1, Heat2 and hot water. External control possibilities Mixing loops and control of heat pumps for example. Alfa Laval Slide 5

6 Cetetherm IQ Heat Steps performed in factory Download software and services (web pages). Download control settings. Set geografical heat zone (for example, heat curve for north of Sweden). Functional test of communication modules. Functional test of sensors and motors. Steps performed during installation (no programming needed) Check all present values against setpoints. Acknowledge alarms. Check system clock. Connect TCP/IP cable and set ip address. Alfa Laval Slide 6

7 Cetetherm IQ Heat Hot water regulation 2 different set points normal (55 C) and special (65 C). Quick stop if 70 C. Sensors on suppy and return pipes (hot water circulation). Customer selection: sensors are placed inside or outside the pipes. Alfa Laval Slide 7

8 Cetetherm IQ Heat Heat regulation, Heat circuit 1 and 2 Heat curve with min, max and 5 set points. Parallell movement of heat curve. Timer function with 4 day schedule and 2 week schedule. Energy saving functionality. Indoor temperature sensors. Example, reduce heat supply when the indoor temperature is higher than 22 C. Sensors on supply and return pipes / secondary and primary. Alfa Laval Slide 8

9 Cetetherm IQ Heat Alarm handler Alarm list (15 items). Acknowledged alarms are moved to historical list. District Heating Lower limit temperature, 60 C (10 minutes delay) Heat 1 / Heat 2 Deviation (when present value differ from set point) >5 C Pump alarm Alarm expansion tank ( open / closed ) Hot water Deviation (when present value differ from set point) >5 C Lower limit temperature 40 C Higher limit temperature 70 C (Quick stop) Other Detect mechanical error and short-circuits. Input/output for external alarms. Alfa Laval Slide 9

10 Tools for controlling IQ Heat Mobile phone (SMS) HMI-unit (Human Machine Interface). 8-line LCD display. Pocket PC (Optimizer). Connect laptop PC directly to IQ Heat. Web interface. Alarms sent as or SMS. SCADA (OPC, LON, ModBus). Microsoft Excel can be used to control several IQ Heat. GSM-modem SAPHIR Alfa Laval Slide 10

11 Cetetherm IQ Heat Extra functionality Meter100. Meter reading. Read energy consumption from heat meter (using pulses). Meter200 Meter reading (M-Bus). Read energy consumption from heat meter by using M-Bus technology. Return100/200 Functions that prevents too high return temperature. Optimal100 Flow/power limitation functionality. Example, do not allow higher power than 800 kw. Alfa Laval Slide 11

12 Cetetherm IQ Heat Extra functionality (requires TCP/IP-module) Web200. TCP/IP module. Built in web pages. Report100 Historical logging/presentation of heat exchanger data. Report200 Historical logging/presentation of energy consumption. SCADA-interface OPC tag interface. Alfa Laval Slide 12

13 Cetetherm IQ Heat TCP/IP-module Windows CE. Easy to add new functionality Dynamic or static ip address. High security, can be connected directly to Internet. During heat problems, Alfa Laval can do remote support on the heat exchanger through Internet. Large CompactFlash memory that makes it possible to follow up and solve heat problems. Data logging and meter reading. Manage several IQ Heat substations in Microsoft Excel. Demo can be found here: Alfa Laval Slide 13

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