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CONTROLLERS pGD or Mini pGD KRONO 3 (Kr3B) FOR UNITS: Mini KRONO 3 (µKr3Bi) USM_CONTROL_KRONO 3-MINI KRONO 3_208064_220501_EN...
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Thank you for trusting the Hitecsa Products. Our company has been offering the market an extended range of specialized equipment for air conditioning and cooling installations for over 35 years. Our approach is based on efficiency, flexibility and practical solutions. This has been the hallmark of our product catalogue.
CONTROLLERS - CHILLERS and y HEAT PUMPS Air-Water (Krono3; Mini Krono3) INDEX GENERAL SPECIFICATIONS ........................4 INTERFACE CONNECTION ........................5 OPERATION .............................. 6 USER INTERFACE ..............................6 KEYS ................................. 6 MAIN DISPLAY ............................6 USER MENUS ............................7 MAIN MENU / SERVICE ..........................10 ALARMS ..............................
CONTROLLER CHILLERS and HEAT PUMPS Air-Water GENERAL SPECIFICATIONS The controller (name: W-HiReg) is meant to optimising the water chiller performance (cooling only or heat pump) and comprises three parts: 1. Input/output board or electronical device, built in the equipment. 2. Control software. 3.
Terminal connection to a board with a 6 wire telephone cable (RJ12) at a max. 50 m distance. Connection between several boards with a shielded pair. PGD as an option For distances longer than 50 m and max. 200 m, proceed to interspersing with two TCONN devices.
CONTROLLER CHILLERS and HEAT PUMPS Air-Water OPERATION Access to the parameters, variables, configuration etc. through the keyboard and display of the THERMOSTAT (the user interface) or through BMS. USER INTERFACE KEYS ALARM KEY: Press to display the alarms on the screen. The red illuminated key shows that there is an active alarm.
CONTROLLER CHILLERS and HEAT PUMPS Air-Water OPERATION USER MENUS The symbol that represents one of the available menus is displayed in the lower right corner. Scroll through the various available menus by pressing the up or down arrow keys. Press “Enter” to access the displayed menu. If you need to see/modify a value or a parameter, scroll through the menu until you reach the display that includes the required value.
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CONTROLLER CHILLERS and HEAT PUMPS Air-Water OPERATION – User menus TIME SCHEDULE menu In addition to the mentioned basic operation modes, other functions are available from the time schedule menu. and press “Enter”. Select Follow the previously mentioned steps to complete the changes. HOUR MODIFICATION Modify the date and the actual hour.
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CONTROLLER CHILLERS and HEAT PUMPS Air-Water OPERATION – User menus Setpoints menu and press “Enter”. Select The temperature setpoints can be modified for both operation modes. Operation modes: The main two operation modes are the Cooling mode and the Heating mode. Both modes have three operation levels that apply a compensation to the values of the temperature setpoints.
“Slave” units. Connect the pGD to the board of the chosen Master unit. Enter the “Regulation” sub-menu. While keeping the “Enter” key pressed, go to “MS Type”. While maintaining the cursor on “MS Type”, press the up/down arrow keys to change to “Master”.
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– MASTER / SLAVE THERMOSTAT AND CONTROL Register the remaining units as Slave units by connecting the pGD in each unit: select Slave in the “MS Type” cell and allocate a different “ID Slave” number to each unit. Once the selection is made, proceed to confirming the modifications as you did for the Master unit and go to the next Slave unit.
CONTROLLER CHILLERS and HEAT PUMPS Air-Water ALARMS All the alarms displayed on the thermostat except the WARNING type alarms will make the unit stop. Press the alarm key to access. It will display the active alarms first. Scroll through the various active alarms by using the arrow keys.
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CONTROLLER CHILLERS and HEAT PUMPS Air-Water ALARM MESSAGES ACTION DIN - Compressor 3 Overload Does not apply to that compressor DIN - Compressor 4 Overload Does not apply to that compressor DIN - Fans 1 Overload Stops Circuit nº1 Stops Circuit nº2 DIN - Fans 2 Overload Stops the whole unit DIN - FlowSwitch - Pump ON no flow...