BAC ICE CHILLER TSU-237M, Operating And Maintenance Instructions Manual

Page 1: ...TSU M ICE CHILLER Thermal Storage Unit for internal melt OPERATING AND MAINTENANCE INSTRUCTIONS MTSU Mv04EN...

Page 2: ...f the unit s certified drawing available for reference during inspection and maintenance If you do not have a copy of this drawing or need further information about the unit contact your local BAC Ser...

Page 3: ...Quantity Controller 10 4 Water Care 19 About Water Care 19 Passivation 19 Special Water Treatment Considerations 20 5 Cold Weather Operations 21 About Cold Weather Operation 21 Protection of Operatin...

Page 4: ...l 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 Inv...

Page 5: ...sign pressure max 10 bar Max temperature of fluid 50 C Min temperature of fluid 20 C The coils are manufactured from black steel and hot dip galvanised after fabrication and may contain certain contam...

Page 6: ...etc MECHANICAL SAFETY Mechanical safety of the equipment is in accordance with the requirements of the EU machinery directive Depending upon site conditions it also may be necessary to install items...

Page 7: ...ermission of BAC the party who has done the modification becomes responsible for all consequences of this change and BAC declines all liability for the product Warranty BAC will guarantee all products...

Page 8: ...ogue 4 20 mA output signal A guided wave radar sensor installed in a PVC tube In case the sensor is exposed to subfreezing temperatures outside installation the sensor and connected PVC piping must be...

Page 9: ...balance the flow rates of the glycol solution to each of the thermal storage units should be checked and balanced Then after the next ice build cycle check the sight tubes once again to ensure balanc...

Page 10: ...The pulses are transmitted by the sensor head and guided along a rod When they hit the medium to be detected in our case water they are reflected and guided back to the sensor The time between transm...

Page 11: ...terminals Wiring done by BAC Wiring details see wiring diagram 9 10 4 20mA passive current loop output External voltage max 24VDC o 12VDC Max loop resistance at 24VDC 600 Ohm Max cable section 1 5 mm...

Page 12: ...SIGNAL GRAPHICS Output Signal graphic 1 Output signal mA 2 Ice START UP At initial start up the range of the water level rise must be entered into the controller and the zero ice water level must be s...

Page 13: ...reen appears Rotate the black button to dial 7 and press to confirm The display indicates Range successfully changed In case the button is pressed without dialing 7 you return to the previous menu and...

Page 14: ...o confirm the zero setting The display shows Zero Level successfully changed to confirm the setting If the black button is pressed without dialing7 the zero level is not stored In case the sensor is n...

Page 15: ...d LED for low alarm lights up The 4 20mA output signal is set at 3 5mA to indicate a low level alarm If the water level rises above the maximum level the High Level Alarm is activated and Alarm is dis...

Page 16: ...r lower area of the screen To select or activate a line press the black button If you want to navigate through the menu or change values or settings rotate the black button to dial and press to confir...

Page 17: ...the display Modify sensor position and start over Set Update Period This allows you to determin how often a measurement will be updated by the controller Typically 120 seconds is set During commissio...

Page 18: ...s 117mm For TSU ML models low height the range setting is 92mm Dial the correct setting for the model at hand by rotating the black knob Confirm your selection by pressing the black knob Rotate the bl...

Page 19: ...o 9 0 Hardness as CaCO3 90 to 500 mg l Alkalinity as CaCO3 500 mg l max Total Dissolved Solids 1000 mg l max Chlorides 125 mg l max Sulfates 125 mg l max Conductivity 100 700 S cm Water Quality Guidel...

Page 20: ...tion if the tank water is corrosive in nature low hardness low pH or alkalinity the addition of a corrosion non precipitating corrosion inhibitor is recommended Examples of non precipitating corrosion...

Page 21: ...ssembly the sight tube assembly and if so equipped the Ice Inventory Sensor must be protected The sight tube and optional inventory sensor must be heat traced and insulated It is not necessary to drai...

Page 22: ...severe or sustained subfreezing ambient temperatures should be checked before initiating an ice build cycle Ice created by subfreezing ambient temperatures which accumulates at the top of the tank and...

Page 23: ...type and serial number of your equipment appear on the nameplate at the connection end of the unit Checks and Adjustments OPERATING LEVEL Locate the tank access cover and the Sight Tube showing the ta...

Page 24: ...nue 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 CAUTION For proper operation tank must be initially filled t...

Page 25: ...hermal storage coils To fill the system open all system flow control valves and the air vent s at the system high point s to allow the glycol solution to flow freely throughout the system Then pump th...

Page 26: ...ound wire brush the area and treat with a cold galvanizing zinc rich compound ZRC ICE CHILLER TANK All ICE CHILLER Thermal Storage Units are provided with sectional insulated tank covers which when ke...

Page 27: ...els are the key to prevent fouling The coil support is a part of the structure of the tank In case the coils need to be removed the tank must be emptied CAUTION DO NOT remove or loosen bolts from the...

Page 28: ...to installation and or start up for approximately one month or longer or stored in severe climates it is imperative that certain actions be performed by the installing contractor in order to maintain...

Page 29: ...d specific assistance at www BaltimoreAircoil eu More Information REFERENCE LITERATURE Eurovent 9 5 6 Recommended Code of Practice to keep your Cooling System efficient and safe Eurovent Cecomaf 2002...

Page 30: ...W W W B A L T I M O R E A I R C O I L E U 30...

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: ...VE 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 Z...