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Summary of Contents for Baltimore Aircoil Company ICE CHILLER TSC-C-D
- Page 1 MTSC-CDv09EN TSC-C-D ICE CHILLER® Thermal Storage Coil only 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.
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Page 3: Table Of Contents
Table of contents OPERATING AND MAINTENANCE INSTRUCTIONS Construction details Ice Chiller® General information Operating conditions Connecting pipework Safety precautions Disposal requirements Non-walking surfaces Modifications by others Warranty Operating instructions Start-up and shutdown procedures Daily operating guidelines Ice Logic® Ice Quantity Controller Water Care About water care Passivation... -
Page 4: Construction Details
TSC-C-D CONSTRUCTION DETAILS Ice Chiller® EXTERNAL MELT APPLICATION 1. Tank 2. Insulation 3. Exterior panels 4. Air pump 5. Covers 6. Galvanised steel coil 7. Ice Logic™ Ice Thickness Controller (not shown) 8. Air distribution 1 Construction details 1 Construction details W W W . -
Page 5: General Information
TSC-C-D 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 6: Disposal Requirements
AUTHORIZED PERSONNEL The operation, maintenance and repair of this equipment should be undertaken only by personnel authorized and qualified to do so. All such personnel should be thoroughly familiar with the equipment, the associated systems and controls and the procedures set forth in this and other relevant manuals. Proper care, personal protective equipment, procedures and tools must be used in handling, lifting, installing, operating, maintaining and repairing this equipment to prevent personal injury and/or property damage. -
Page 7: Non-Walking Surfaces
Non-walking surfaces Access to and maintenance of any component needs to be performed in accordance with all local applicable laws and regulations. If the proper and required access means are not present, temporary structures need to be foreseen. Under no circumstance can one use parts of the unit, that are not designed as an access mean, unless measures can be taken to mitigate any risks that might occur from doing so. -
Page 8: Operating Instructions
TSC-C-D OPERATING INSTRUCTIONS Start-up and shutdown procedures START-UP PROCEDURE ® Before initial start-up or after prolonged shutdown, the BAC Ice Chiller Thermal Storage Units should be thoroughly inspected and cleaned: 1. Clean all debris from the interior of the tank. ®... - Page 9 13. If using refrigerant, evacuate the system and charge with the specified refrigerant. CAUTION ® Do not close both inlet (liquid supply) and outlet (wet return) valves on the Ice Chiller Coils without the use of a by-pass relief around the valves. This will prevent an excess build-up of pressure in the coils as a result of expansion of the refrigerant as the coils warm up.
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Page 10: Daily Operating Guidelines
® 2. Allow any ice present on the tubes of the Ice Chiller Coils to melt. If the tank is located outdoors or in an unheated area and there is a possibility of the water in the tank freezing, drain the tank and all exposed water piping. - Page 11 6. After the first three hours of ice build, it is suitable to turn off the air agitation blower(s). 7. In response to a signal from the plant control system, stop the ice build cycle. The signal to end the ice build cycle can come from a number of sources.
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Page 12: Ice Logic® Ice Quantity Controller
Ice Logic® Ice Quantity Controller ® The ice quantity in the Ice Chiller Unit will be measured by means of a sensor measuring the ice thickness. The measurement is done in steps of 20%: 0, 20, 40, 60, 80 and 100% of the nominal ice storage capacity of the ICE ®... - Page 13 Manual Control The required ice quantity for the next cooling cycle can easily be set from the control panel in steps of 20%. In addition, the minimum ice quantity, before the cooling equipment should start again, can be set from the minimum % ice knob.
- Page 14 Remote Control with 4-20 mA Output Signal (Option) Instead of 6 output signals for remote control, an analog output signal of 4-20 mA can be generated using contacts 28/29. The customer must provide a 24 VDC supply voltage with a loop resistance of max. 600 Ohms (see R). In that case contacts 10 to 21 are no longer available.
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Page 15: Water Care
TSC-C-D 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 16: Special Water Treatment Considerations
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 ). The passivation is complete and effective when the new zinc surfaces turn dull grey in colour. If white deposits form on galvanized steel surfaces after the pH is returned to normal, this is a sign of white rust, and therefore, the passivation process should be repeated to insure proper passivation and maximum corrosion resistance. -
Page 17: Cold Weather Operations
TSC-C-D 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 18: Ice Due To Subfreezing Ambients
Glycol systems require specific inhibitors compatible with the materials of construction they come into contact with. These inhibitors generally come pre-mixed with the glycol additive for the cooling circuit. Ice due to subfreezing ambients ® Ice Chiller tanks that have been exposed to severe or sustained subfreezing ambient temperatures, should be checked before initiating an ice build cycle. -
Page 19: Maintenance Procedure
TSC-C-D MAINTENANCE PROCEDURE Inspections and corrective actions GENERAL CONDITION OF THE EQUIPMENT The inspection should focus on following areas: • damage of corrosion protection • signs of scale formation or corrosion • accumulation of dirt and debris • presence of biofilms Smaller damages of the corrosion protection MUST be repaired as soon as possible to prevent the damage from ®... - Page 20 damages corrosion fouling 2. Remove any obstructions from the coil Any damages or corroded areas need to be repaired. Call your local BAC representative for assistance. Minor fouling can usually be removed chemically or by temporary changes to the water treatment programme. Contact your water treatment supplier for advice.
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Page 21: Cleaning Procedures
REFRIGERANT Every 6 months, or as necessary, purge refrigerant oil from the coil, using the purge connections provided (see certified print). AIR DISTRIBUTION PIPING Inspect the PVC air distribution piping for cracks or other signs of damage at initial and seasonal start-up. Cleaning procedures MECHANICAL CLEANING Keeping your thermal storage equipment clean will maintain its efficiency and help to prevent uncontrolled... -
Page 22: Comprehensive Maintenance
TSC-C-D 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 23: Further Assistance & Information
TSC-C-D FURTHER ASSISTANCE & INFORMATION Assistance BAC has established a specialized 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. For more details, contact your local BAC representative for further information and specific assistance at www.BaltimoreAircoil.eu More information REFERENCE LITERATURE... - Page 24 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 25 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 26 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 27 W W W . B A L T I M O R E A I R C O I L . E U...
- Page 28 W W W . B A L T I M O R E A I R C O I L . E U...
- 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 COOLING TOWERS CLOSED CIRCUIT COOLING TOWERS ICE THERMAL STORAGE EVAPORATIVE CONDENSERS HYBRID PRODUCTS PARTS, EQUIPMENTS & SERVICES www.BaltimoreAircoil.eu info@BaltimoreAircoil.eu 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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