Trane 108-216, Installation And Operation Manual

Page 1: ...Installation Operation Maintenance RTUB 207 224 Liquid chillers with helical rotary compressors RTCA 108 216 Remote air cooled condenser RLC SVX03A E4...

Page 2: ...delivery note and send a registered letter of protest to the last carrier of the goods within 72 hours of delivery Notify the localTrane Sales Office at the same time The unit should be totally inspe...

Page 3: ...a RTCA 8 Installation Installation Responsibilities 9 Storage 9 Special Lifting and Moving Instructions 10 Isolation 10 Foundation 10 Clearances 11 Drainage 12 Releasing the Nitrogen Holding Charge 12...

Page 4: ...Temporary Shutdown and Restart 23 Extended Shutdown Procedure 23 System Restart after Extended Shutdown 23 Maintenance Periodic Maintenance 25 Refrigerant and Oil Charge Management 27 R134a Field char...

Page 5: ...ane Sales Office Do not proceed with installation of a damaged unit without sales office approval Inspection Checklist To protect against loss due to damage incurred in transit complete the following...

Page 6: ...l for shipment Description of the Unit The RTUB units are liquid chillers equipped with two helical rotary compressors and an evaporator designed to operate with remote RTCA air cooled condensers or o...

Page 7: ...ng Weight kg 2130 2130 2845 2845 2845 3250 Shipping Weight kg 1860 1860 2570 2570 2570 2975 Unit size 216 217 218 220 222 224 Compressor Type Quantity Helical rotary 2 Nominal size tons 70 85 85 85 10...

Page 8: ...8 1 5 8 1 5 8 Liquid connection inches 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 Unit size 208 209 211 213 215 216 Condenser Condenser type Aluminium fins copper tubes Fin spacing fins ft 168 168 144 168 16...

Page 9: ...for RTUB Furnish and install strainers ahead of all pumps and automatic modulating valves Furnish and install check valves on the discharge lines between oil separators and condenser in order to avoi...

Page 10: ...e sound transmitted through water piping To reduce the sound transmitted through electrical conduit use flexible electrical conduit State and local codes on sound emissions should always be considered...

Page 11: ...igure 5 andTable 4 for unit Figure 5 Unit Dimensions and Recommended Minimum Clearances RTCA Figure 6 Unit Dimensions and Recommended Minimum Clearances RTUB A C D B A C D B Table 4 Unit Dimensions an...

Page 12: ...n transmission through the water lines If desired install thermometers in the lines to monitor entering and leaving water temperatures Install a balancing valve in the leaving water line to control wa...

Page 13: ...tween the water and system components Foreign matter in the chilled water system can also increase pressure drop and consequently reduce water flow Proper water treatment must be determined locally de...

Page 14: ...es for relief valve installation guidelines Installing and connecting temperature sensors General Recommendations Regardless of the type of monitoring sensor required by a particular application the s...

Page 15: ...ambient temperature and condenser temperature sensors must be connected to the RTUB to monitor it The ambient temperature sensor must be installed in a position which represents most accurately the c...

Page 16: ...its each with its own ventilation The ventilation cannot be common to the two circuits For this type of installation non RTCA condenser an On Off signal is available on the unit control module UCM of...

Page 17: ...commended to place a trap on the discharge line at the oil separator outlet if this discharge line is horizontal for a distance greater than 5 m at a height greater than the connection to the oil sepa...

Page 18: ...n the two units must not exceed 60 m in reality or the equivalent of 90 m taking into account pressure drops The height of the liquid line in relation to the condenser base must be less than 5 m Legen...

Page 19: ...uction line using the following criteria 1 2 5 m s minimum in the horizontal parts 2 5 0 m s minimum in the vertical parts 3 Maximum speed 20 m s The minimum slope of the suction line to the condenser...

Page 20: ...ent manometer must be installed upstream of the vacuum pump stop valve 1 Close valve B and open valve A After a few minutes the manometer reading indicated the lowest vacuum level that can be obtained...

Page 21: ...f untreated or improperly treated water or saline or brackish water Close the fused disconnect switch es that supplies power to the chilled water pump starter Start the chilled water pump to begin cir...

Page 22: ...ions prior to start up have been performed see previous sections the unit is ready to start Press the Stop key on the UCM CLD If necessary adjust the setpoint values in the UCM CLD reports refer to th...

Page 23: ...ain glycol to prevent any risk of evaporator freeze up Extended period shutdown The procedure below must be performed if the system has to be stopped for a prolonged period for example seasonal shutdo...

Page 24: ...Flow Rates and Water System Pressure Drop 7 Adjust the flow switch on the evaporator piping for proper operation 8 Stop the water pump The unit is now ready for startup as described in Startup Proced...

Page 25: ...even more if conditions are very poor or if corrosion damage begins to occur To clean the coils use a soft brush and a sprayer garden pump up type A high quality detergent such as Trane Coil Cleaner...

Page 26: ...ser 2 After the compressor stops close the compressor discharge valve and disconnect the unit Note Do not make successive vacuums by using the compressor Irreversible compressor damage could occur 3 V...

Page 27: ...line due to high vapor velocity High Condenser Subcooler Pressure drop Some symptoms of a refrigerant over charged unit High subcooling Larger than normal condenser approach temperatures Entering Con...

Page 28: ...tenance on the compressor or high side It is much more preferable to isolate the charge in the evaporator if this option is available High side charge isolation procedure 1 Make sure the circuit is of...

Page 29: ...he oil system is critical to the reliability of the compressor and chiller Too little oil can cause the compressor to run hot and inefficiently When taken to an extreme low oil level may result in inf...

Page 30: ...s than 15 minutes If the oil charge is removed from the compressor and oil system only and the unit has been run for more than 15 minutes However reduce the amount of oil added to the unit by the norm...

Page 31: ...tainer or is otherwise contaminated then this small volume must be subject to vacuum as well However the filter cavity is full of oil Therefore be sure to use a flash tank in line with the vacuum pump...

Page 32: ...stem should be carried out only by qualified and experienced personnel Maintenance contract It is strongly recommended that you sign a maintenance contract with your local Service Agency This contract...