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Summary of Contents for Baltimore Aircoil Company ICE CHILLER TSU-M Series
- Page 1 MTSU-Mv01EN TSU-M ICE CHILLER® Thermal Storage Unit for internal melt OPERATING AND MAINTENANCE INSTRUCTIONS...
- Page 2 Recommended Maintenance and Monitoring Programme ® Baltimore Aircoil Company's ICE CHILLER Thermal Storage Units and Thermal Storage Coils have been developed for long, trouble-free service when installed, operated and maintained properly. To ensure optimal ® performance and maximum equipment life for your ICE CHILLER Thermal Storage Unit, it is important that a regular inspection/maintenance program be developed and implemented.
- Page 3 3. When operating in ambient temperatures below freezing, the unit should be inspected more frequently. W W W . B A L T I M O R E A I R C O I L . E U...
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Page 4: Table Of Contents
Table of Contents OPERATING AND MAINTENANCE INSTRUCTIONS Construction Details ICE Chiller® General Information Operating Conditions Connecting Pipework Safety Precautions Disposal Requirements Operating Instructions General Information Start-Up and Commissioning Procedures Daily Operating Guidelines Seasonal Shutdown ICE LOGIC® Ice Quantity Controller Water Care About Water Care Passivation Special Water Treatment Considerations... -
Page 5: Construction Details
TSU-M CONSTRUCTION DETAILS ICE Chiller® INTERNAL MELT APPLICATION 1. Wall Panel 2. Coil Support Beams 3. Glycol Connections 4. Galvanised Steel Coil 5. Watertight covers 6. Primary Liner 7. Extruded Polystyrene Insulation 8. Secondary Liner/Vapor Barrier 9. Sight Tube Not shown: Ice Inventory Sensor - Ice Logic™ Ice Quantity Controller – Air Pump 1 Construction Details 1 Construction Details W W W . -
Page 6: General Information
TSU-M GENERAL INFORMATION Operating Conditions BAC cooling equipment is designed for the operating conditions specified below, which must not be exceeded during operation. • Wind Load: For safe operation of unshielded equipment exposed to wind speeds above 120 km/h installed at a height above 30 m from the ground, contact your local BAC-Balticare representative. -
Page 7: Safety Precautions
Safety Precautions All electrical, mechanical and rotating machinery constitute a potential hazard, particularly for those not familiar with its design, construction and operation. Accordingly, adequate safeguards (including use of protective enclosures where necessary) should be taken with this equipment both to safeguard the public (including minors) from injury and to prevent damage to the equipment, its associated system and the premises. -
Page 8: Operating Instructions
TSU-M OPERATING INSTRUCTIONS General Information To ensure dependable, trouble-free, efficient operation of the thermal storage units, each system is provided with factory installed, pre-set operating control assemblies. During normal operation a solid layer of ice at the top of the tank will not form. -
Page 9: Daily Operating Guidelines
Caution MAKE SURE NO MORE WATER IS ADDED TO THE TANK. 4. Move the sensor upwards until the water level (0% ice) falls between the minimum and maximum calibration lines indicated on the sensor tube. 5. Connect transmitter box to power supply, green led “POWER ON” lights up and the sensor starts measuring. If not, please refer to “Troubleshooting”... -
Page 10: Seasonal Shutdown
It is recommended to completely melt-out the ice during each cooling cycle by pumping the warm glycol solution through the coils. If complete melt-out cannot be accomplished, try to melt out as much ice as possible. Caution UNMELTED ICE IS WASTED ENERGY. Seasonal Shutdown ICE CHILLER®... - Page 11 When the power supply 220 Baltimore Aircoil v is switched on, following Analogue screens appear on the Ice Thickness Transmitter display ->This means 100% ice corresponds with 117mm Range: 117mm Sample Time: 8 water level increase Software Version ->This means the time Busy...
- Page 12 Red button under lower cover of Analogue Ice Thickness Transmitter Following screens will scroll. Press the red programming button to make your selection Sequence of programming screens 1. Choose <Exit> to leave programming mode. When exiting the programming mode the controller will reset and initialize again like in start-up mode.
- Page 13 Location of sensor, Control box and Sight glass on unit 1. Ice Logic® Sensor 2. Analogue Ice Thickness Transmitter 3. Water level Tube OPERATING INSTRUCTIONS The transmitter system is designed to be connected to an automatic system (like BMS, PLC, ...), using an analogue output signal (4-20 mA) The output of the transmitter system is a passive current loop signal.
- Page 14 WIRING SPECIFICATION Terminal Fuse Description L-N220VAC / max 10VA supply Max. cable section is 2.5 mm2 1,2,3,4,5,6,7,8 Sensor terminals (Wiring done by B.A.C.). Wiring details see below wiring diagram. 9, 10 4-20mA passive current loop output. External voltage: max. 24VDC / %o, 12VDC Max.
- Page 15 WIRING DIAGRAM Wiring Diagram for Sensor TROUBLE SHOOTING 1. Green “POWER” LED doesn’t light up. Check power supply (220VAC) at terminals L,N. If there is no power, check cables for damage. If the “POWER” LED still doesn’t light up, the control box is defective and must be repaired. 2.
- Page 16 To check if the sensor works, the upper part of the sensor can be disassembled by unscrewing the 3 lower screws of the PVC tube. The lower part can stay positioned on the tank. You can simulate a measuring cycle by entering the main menu (press red button for 2 seconds until you hear a beep) and then exit it again, or by switching the power supply of and on again.
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Page 17: Water Care
TSU-M WATER CARE About Water Care ® In the near freezing temperatures of the ICE CHILLER Thermal Storage Unit, scale and corrosion are naturally minimized. Therefore, for the tank water side of the units, a water treatment program to prevent scale or corrosion is not normally needed, unless the water is corrosive in nature. -
Page 18: Passivation
Passivation When new systems are first commissioned, special measures should be taken to ensure that galvanized steel surfaces are properly passivated to provide maximum protection from corrosion. Passivation is the formation of a protective, passive, oxide layer on galvanized steel surfaces. To ensure that galvanized steel surfaces are passivated, for the first 6-8 weeks of operation, the pH of the tank water should be maintained between 7.0 and 8.2 and calcium hardness maintained between 100 and 300 mg/l (as CaCO... -
Page 19: Cold Weather Operations
TSU-M COLD WEATHER OPERATIONS About Cold Weather Operation BAC equipment can be operated in subfreezing ambient conditions provided the proper measures are taken: 1. Insulation of piping. 2. Protection against coil freezing. 3. Elimination of ice due to sub-freezing ambient. Listed below are general guidelines which should be followed to minimize the possibility of freeze-up. -
Page 20: Ice Due To Sub-Freezing Ambients
% Ethylene Freeze Protection -10°C -16°C -25°C -39°C Freeze Protection of Ethylene Glycol Solutions The concentration of the glycol solution in the system should be verified to ensure it adequately protects the coils and system piping from freezing. Adjust the concentration if necessary. Ice due to Sub-Freezing Ambients ®... -
Page 21: Maintenance Procedure
TSU-M MAINTENANCE PROCEDURE General A program of regular inspection and maintenance is essential for optimum performance and maximum service life. The following information is provided as a guide to establishing such a maintenance program. If you have any specific questions, please contact your local BAC-Balticare service provider or representative whose name, e-mail and phone number can be found on the website www.BACservice.eu. - Page 22 Model Tank Volume Coil Volume (liters of water) (liters of glycol) TSU-237M 11320 TSU-476M 22110 1875 TSU-594M 28250 2320 TSU-761M 34640 2990 TSU-L184M 8820 TSU-L370M 17250 1460 TSU-L462M 22030 1810 TSU-L592M 27020 2280 Fluid Volumes 2. Continue filling the tank until the water level in the clear sight tube reaches the "0% ice build" level (See Figure below “Water Level in Sight Tube”.
- Page 23 Caution DO NOT OVERFILL! Overflowing the tank may damage the insulation and/or cause the operating controls furnished with the unit to malfunction. SYSTEM CHARGING Coils are filled in the factory with nitrogen. Release the nitrogen in a properly ventilated area, before charging the system with glycol.
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Page 24: Inspections And Corrective Actions
End Elevation - Air Vents on TSU-237M and TSU-L184M 1. Air vent (valve and cap by others) 2. Connection 3. Air vent (valve and cap by others) 4. Piping (by others) Inspections and Corrective Actions GENERAL CONDITION OF THE EQUIPMENT The inspection should focus on following areas: •... - Page 25 During normal operation a solid layer of ice at the top of the tank will not form. However, should such a layer be formed due to unforeseen and unwanted operational circumstances, the low level alarm can be activated. In such case melt out the ice completely. COIL The coil should be observed when there is no ice on the coil.
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Page 26: Cleaning Procedures
Cleaning Procedures DISINFECTION Disinfection of your cooling system may be needed in case of high concentration of aerobic bacteria and/or Legionella. Disinfection is also recommended for evaporative cooling systems with known or suspected high bacteriological levels, prior to a cleaning procedure. Some local or national guidance also recommends disinfection prior to initial start up, after a prolonged shut down, after routine cleaning operations or when significant alterations have been made to the cooling system. -
Page 27: Comprehensive Maintenance
TSU-M COMPREHENSIVE MAINTENANCE About Comprehensive Maintenance In order to ensure maximum efficiency and minimum downtime of your evaporative cooling system, it is recommended to establish and execute a programme of preventive maintenance. Your local BAC Balticare representative will assist you in establishing and implementing such programme. The preventive maintenance programme must not only avoid that excessive downtime occurs under unforeseen and unwanted conditions, it also ensures that factory authorized replacement parts are used, which are designed to fit and for their purpose carry the full factory warranty. -
Page 28: Further Assistance & Information
TSU-M FURTHER ASSISTANCE & INFORMATION Balticare BAC has established a specialized independent total care company called Balticare. The BAC Balticare offering involves all elements required to ensure a safe and efficient operation of your evaporative cooling products. From a full range of risk assessment to selective water treatment, training, testing, record keeping and annual system overview. - Page 29 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 30 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 31 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 32 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 33 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 34 COOLING TOWERS CLOSED CIRCUIT COOLING TOWERS ICE THERMAL STORAGE EVAPORATIVE CONDENSERS HYBRID PRODUCTS PARTS & SERVICES www.BaltimoreAircoil.eu info@BaltimoreAircoil.eu www.balticare.com info@balticare.com Please refer to our website for local contact details. Industriepark - Zone A, B-2220 Heist-op-den-Berg, Belgium © Baltimore Aircoil International nv...
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