Hoval ServeCool Operating Instructions Manual Download

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System control for ServeCool

Operating Instructions

System control

for ServeCool

Operating Instructions
4 219 126-en-01

Summary of Contents for ServeCool

Page 1: ...System control for ServeCool Operating Instructions System control for ServeCool Operating Instructions 4219126 en 01...

Page 2: ...2 4 Icons 6 2 5 Buttons in the header 6 3 Process diagram 7 3 1 Overview 8 3 2 Specifications 9 3 3 Fault messages 9 3 4 Process diagram 10 4 Data points 11 4 1 Night time reduction 12 4 2 Emergency...

Page 3: ...th the operating instructions Any usage over and above this use is considered to be not as intended The manufacturer can accept no liability for damage resulting from improper use 1 2 User groups Ther...

Page 4: ...peaks The chiller for supplying the cooling coil and the water supply are in operation During the hot season Winter operation The unit uses the following cooling processes depending on the temperature...

Page 5: ...internal memory BMS mode The unit controller operates according to the specifications from the building management system Switching between local mode and BMS mode is done via the selector switch on...

Page 6: ...ault Manual set value active 2 5 Buttons in the header 1 2 1 Open Process diagram screen 2 Open Data points screen 1 2 3 1 Fault exists Show fault messages 2 Current user level Enter password 3 Select...

Page 7: ...ng mode 2 Process diagram with current measured values and status displays 3 Specifications Entering the set values and the time program 4 Fault messages Display and reset of faults Notice Depending o...

Page 8: ...the current operating mode Summer Winter Switching between summer and winter operation is done via the time program see section chapter 3 2 Sequence Display of currently used cooling processes Indirec...

Page 9: ...st air Time program Winter operation Define the period in which the unit runs in the Winter operating mode In each case click on the icon Enter the on and off dates for winter operation Click the icon...

Page 10: ...owrate 40 Fresh air 4000 Combination sensor fresh air 4001 Fresh air filter 4002 CPS damper Condensation Prevention System 50 Chilled water 5000 Cold water valve 60 Adiabatic 6000 Feed valve 6001 Drai...

Page 11: ...not all values are displayed Move the mouse pointer over the icon to display the help text for the respective parameter Editable values are marked with the icon Click on the icon Enter the desired va...

Page 12: ...uction Time for nighttime reduction on 3099 64 End reduction Time for nighttime reduction off 3099 65 Nighttime reduction feedback System feedback 4 2 Emergency operation Notice Use the emergency mode...

Page 13: ...3 1 Set points Entering the set values 2 Open Process diagram Zone screen 3 Open Data points Zone screen 4 Process diagram Zone Notice Depending on the local conditions the display on the screen may d...

Page 14: ...distributed in the room and the system control calculates the maximum value the average value and the minimum value in each case You can choose which of these values should be used for the zone contr...

Page 15: ...ir fan exhaust air fan condenser 2 Temperature humidity of supply air 3 Temperature humidity of extract air 4 Temperature humidity in the server room cold aisle 5 Pressure difference between raised fl...

Page 16: ...evel not all values are displayed Move the mouse pointer over the icon to display the help text for the respective parameter Editable values are marked with the icon Click on the icon Enter the desire...

Page 17: ...r protected against overvoltage Check overvoltage protection and replace if necessary 00 02 01 External release feedback No external release bridge in control panel interrupted The unit switches off o...

Page 18: ...wer than the limit value Set limit values correctly check air conditions 10 05 05 Combination sensor E monitoring Temperature high fault message The measured supply air temperature after the plate typ...

Page 19: ...socket 20 99 03 Temperature limitation Feedback Extract air temperature limiting is active The unit reduces the supply air setpoint temperature to the set value Reduce extract air temperature Group 3...

Page 20: ...does not behave according to the activation Group 50 Chilled water 50 00 04 Chilled water valve Fault message Fault in the cold water valve The unit switches to adiabatic cooling if possible Check val...

Page 21: ...The humidifier does not behave in accordance with the activation 70 00 10 Humidifier Fault 48 V supply Fault in the 24 V supply of the humidifier 70 01 00 Hygrostat Fault message The air humidity is...

Page 22: ...22 System control for ServeCool 4219126 en 01 Notes...

Page 23: ...23 System control for ServeCool 4219126 en 01 Notes...

Page 24: ...aft 9490 Vaduz Liechtenstein Tel 423 399 24 00 info klimatechnik hoval com www hoval com United Kingdom Hoval Ltd Northgate Newark Notts NG24 1JN Tel 01636 672711 hoval hoval co uk www hoval co uk 24...