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RLC-SVX19A-E4

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Operating Principles

This section describes the overall operating principle of the RTAF design.

Figure 20 – Refrigerant System Schematic & Oil Lube Circuit Schematic

1 = Screw compressor
2 = Evaporator
3 = Air-cooled condenser
4 = Evaporator water inlet connection
5 = Evaporator water outlet connection
6 = Oil service valve
7 = Oil separator
8 = Discharge service valve
9 = Liquid shut off valve
10 = Filter drier
11 = Electric expansion valve
12 = Sight glass
13 = Relief valve
14 = Service valve
15 = Oil line solenoid valve
16 = Oil fi lter
17 = Suction service valve
18 = Schraeder valve

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Содержание RTAF HE Series

Страница 1: ...RLC SVX19A E4 RTAF SE HE XE HSE Air cooled Helical rotary chillers 300 750kW Installation Operation Maintenance...

Страница 2: ...age Optional 26 Evaporator Waterside 30 General Electrical Recommendations 35 Installer Supplied Components 41 Alarm and Status Relay Outputs Programmable Relays 42 EDLS and ECWS Analog Input Signal W...

Страница 3: ...RLC SVX19A E4 3...

Страница 4: ...Installation Always provide a pressure regulator 2 Disconnect the main power supply before any servicing on the unit 3 Service work on the refrigeration system and the electrical system should be car...

Страница 5: ...circuit is provided with filter sight glass electronic expansion valve and charging valves The shell and tube CHIL Compact High performance Integrated design Low charge evaporator is manufactured in...

Страница 6: ...Grooved pipe with coupling and pipe stub Digit 19 Operating map water side N Comfort cooling above 4 4 C P Process cooling below 4 4 C C Ice Making 7 C to 20 C Digit 20 Evaporator Configuration 2 Two...

Страница 7: ...0W Digit 41 FactoryTest X None B Visual Inspection with Customer attendance E PerformanceTest without Customer attendance Digit 42 Installation accessory X None 1 Neoprene Isolators 4 Neoprene pads Di...

Страница 8: ...4 Condenser Fans Quantity 1 4 4 4 4 4 4 5 5 5 5 6 4 6 6 6 6 Diameter mm 800 800 800 800 800 800 800 800 Total Air Flow m3 s 5 6 5 6 5 6 5 6 5 6 5 6 5 6 5 6 Nominal RPM rpm 932 932 932 932 932 932 932...

Страница 9: ...5 5 6 4 6 6 6 6 Diameter mm 800 800 800 800 800 800 800 800 Total Air Flow m3 s 5 6 5 6 5 6 5 6 5 6 5 6 5 6 5 6 Nominal RPM rpm 860 860 860 860 860 860 860 860 Motor kW 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Страница 10: ...Condenser Fans Quantity 1 5 5 5 5 5 5 6 6 6 6 7 5 7 7 7 7 Diameter mm 800 800 800 800 800 800 800 800 Total Air Flow m3 s 5 6 5 6 5 6 5 6 5 6 5 6 5 6 5 6 Nominal RPM rpm 932 932 932 932 932 932 932 93...

Страница 11: ...Condenser Fans Quantity 1 5 5 5 5 5 5 6 6 6 6 7 5 7 7 7 7 Diameter mm 800 800 800 800 800 800 800 800 Total Air Flow m3 s 4 2 4 8 4 8 4 8 4 8 5 6 5 6 5 6 Nominal RPM rpm 710 810 810 810 810 910 910 91...

Страница 12: ...6 7 5 7 7 7 7 Diameter mm 800 800 800 800 800 800 800 800 Total Air Flow m3 s 4 2 4 8 4 8 4 8 4 8 5 6 5 6 5 6 Nominal RPM rpm 660 760 760 760 760 860 860 860 Motor kW 0 5 0 8 0 8 0 8 0 8 1 1 1 1 1 1 M...

Страница 13: ...1214 1214 1214 1214 Condenser Fans Quantity 1 5 5 5 5 5 5 6 6 6 6 7 5 7 7 7 7 Diameter mm 800 800 800 800 800 800 800 800 Total Air Flow m3 s 4 2 4 8 4 8 4 8 4 8 5 6 5 6 5 6 Nominal RPM rpm 710 810 81...

Страница 14: ...1 5 5 5 5 5 5 6 6 6 6 7 5 7 7 7 7 Diameter mm 800 800 800 800 800 800 800 800 Total Air Flow m3 s 4 2 4 8 4 8 4 8 4 8 5 6 5 6 5 6 Nominal RPM rpm 660 760 760 760 760 860 860 860 Motor kW 0 5 0 8 0 8 0...

Страница 15: ...mperature 46 C Low ambient units 18 C Air temperature 46 C High ambient units 10 C Air temperature 55 C Note It is not possible to have a unit operate low and high ambient Figure 16 RTAF Operating Map...

Страница 16: ...it is stored before servicing near a construction site it is highly recommended to protect micro channel coils from any concrete dust Failure to do so may considerably reduce reliability of the unit L...

Страница 17: ...ineer in critical sound applications For maximum isolation effect isolate water lines and electrical conduit Rubber isolated piping hangers can be used to reduce the sound transmitted through water pi...

Страница 18: ...nstall Mountings have to be placed on a rigid and level foundation External equipment should not transmit additional vibration to the chiller Figure 3 Neoprene pads for SE HE XE HSE units 450 90 8 1 2...

Страница 19: ...ubmittals shipped within the unit Figure 4 Units RTAF SE HE XE 2200 A 1000 1000 H1 H2 1000 1000 A H1 H2 090 105 125 SE 4520 2526 2672 HE_XE 5645 145 155 175 SE 5645 HE_XE 6770 190 205 SE 6770 HE_XE 78...

Страница 20: ...cessor module 10 Hydraulic module 11 Isolators 12 Operating weight kg 13 Number of fans Numbers in arrows 1 SN_LN unit 2 Unit with hydraulic module 3 Option XLN 4 Grooved pipe option For dimensions of...

Страница 21: ...eign material will adversely affect heat transfer between the water and system components Foreign matter in the chilled water system can also increase pressure drop and consequently reduce water flow...

Страница 22: ...bration transmission through the water lines If desired install thermometers in the lines to monitor entering and leaving water line to control water flow balance Install shutoff valves on both the en...

Страница 23: ...iminators Shutoff isolation valves Thermometers if desired temperature readings available on chiller controller display Clean out tees Pipe strainer Pi Pressure gauge FT Water Flow Switch T1 Evaporato...

Страница 24: ...nd vent position on evaporator Figure 8 Drain and air vent fitting location on the evaporator water side In case of winter water drainage for freeze protection it is mandatory to disconnect the evapor...

Страница 25: ...g and control schemes particularly those using a single water pump for both chilled and hot water must be analyzed to determine how and or if a flow sensing device will provide the desired operation F...

Страница 26: ...tion will have to be done once the chiller is delivered on job site according to the following figure Fasteners and gaskets are fixed to the pipe assembly Figure 9 Shipping arrangement and Operational...

Страница 27: ...HSE 3 RTAF 125 SE HE XE HSE 4 RTAF 145 SE HE XE HSE 5 RTAF 155 SE HE XE HSE 6 RTAF 175 SE HE XE HSE 7 RTAF 190 SE HE XE HSE 8 RTAF 205 SE 9 RTAF 205 HE XE HSE 1 2 3 4 5 6 7 9 8 0 0 50 0 100 0 150 0 2...

Страница 28: ...HSE 4 RTAF 145 SE HE XE HSE 5 RTAF 155 SE HE XE HSE 6 RTAF 175 SE HE XE HSE 7 RTAF 190 SE HE XE HSE 8 RTAF 205 SE 9 RTAF 205 HE XE HSE 1 2 3 4 5 6 7 8 9 Available Pressure kPa Water flow rates l s 0 5...

Страница 29: ...c module In this case chiller will be provided with the following components factory mounted and tested Twin centrifugal water pump Low pressure or High pressure option Water strainer to protect the p...

Страница 30: ...E 4 RTAF 145 SE HE XE HSE 5 RTAF 155 SE HE XE HSE 6 RTAF 175 SE HE XE HSE 7 RTAF 190 SE HE XE HSE 8 RTAF 205 SE 9 RTAF 205 HE XE HSE 1 2 8 3 4 5 6 7 9 Pressure drop kPa Water flow rates l s 1 10 100 1...

Страница 31: ...period of time OFF again if the evaporator refrigerant pool temperature rise above LERTC 6 F for a period of time Note The period of time referenced for ON and OFF conditions above described is depend...

Страница 32: ...TC C wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol wt Glycol 4 1 2 4 4 4 4 4 5 13 4 4 4 4 4 5 2 0 8 8 8 9 10 12 18 8...

Страница 33: ...3 3 3 3 4 4 2 0 8 8 8 9 9 10 11 8 8 9 9 10 11 0 2 8 13 13 14 15 15 16 13 13 14 15 15 16 2 4 8 17 18 19 19 19 20 18 18 19 19 19 20 4 6 8 21 22 22 24 23 24 21 22 23 23 23 24 5 7 8 23 24 24 25 25 23 24 2...

Страница 34: ...LWTC C Solution Freeze Point C Low refrigerant temperature Cutout LRTC C Minimum Recommended LWTC C 0 0 1 9 1 7 0 1 9 1 7 2 0 6 2 4 1 1 0 6 2 4 1 1 4 1 3 3 2 0 4 1 2 3 1 0 5 5 1 7 3 6 0 1 5 3 4 0 2 6...

Страница 35: ...ry For additional information regarding the safe discharge of capacitors see Adaptive Frequency Drive AFD3 Capacitor Discharge and BAS SVX19B E4 Hazardous Voltage Pressurized Burning Fluid Before remo...

Страница 36: ...RLC SVX19A E4 36 General Electrical Recommendations Figure 19 Warning Label...

Страница 37: ...87 800 35 0 205 1 568 680 0 85 800 35 0 Table 15 Electrical Data RTAF 090 205 Extra Efficiency Unit Wiring 400 3 50 Unit Size Number of Power Connections Maximum Amps 1 Starting Amps 2 Power Factor 3...

Страница 38: ...6 4 41 1 2 205 12 2 56 2 56 3 9 1 776 4 41 1 2 Notes 1 Max power input per fan for standard and high ambient 2 Max power input per fan for low ambient 3 Maximum FLA per fan for standard and high ambie...

Страница 39: ...ndard high ambient and low ambient 4 Compressor maximum Amps under 400 3 50Hz 5 Compressor Start up Amps under 400 3 50Hz Table 20 Fan Motor and Control circuit data High Seasonal Efficiency Fan Each...

Страница 40: ...tandard high ambient and low ambient 4 Compressor maximum Amps under 400 3 50Hz 5 Compressor Start up Amps under 400 3 50Hz Table 22 Electrical data Compressor Data Control Circuit Data RTAF Quantity...

Страница 41: ...vaporator shell is insulated from ambient air and protected from freezing for temperature down to 20 C by two thermostatically controlled immersion heaters combined with evaporator pumps activation th...

Страница 42: ...ely If evaporator water flow is not established in 4 minutes and 15 seconds theTracer UC800 de energizes the CHWP relay and generates a non latching diagnostic If flow returns i e other system control...

Страница 43: ...w compressor 2 Evaporator 3 Air cooled condenser 4 Evaporator water inlet connection 5 Evaporator water outlet connection 6 Oil service valve 7 Oil separator 8 Discharge service valve 9 Liquid shut of...

Страница 44: ...condition in the chiller of 26 C or lower R134a requires the use of specific POE oils as designated on the unit nameplate Use only R134a Trane Oil 00048E in RTAF SE HE and XE chillers andTrane OIL 003...

Страница 45: ...on Trane personnel contact your localTrane office for software purchase information TracerTU adds a level of sophistication that improves service technician effectiveness and minimizes chiller downtim...

Страница 46: ...s 11 Prove all Interlock and Interconnecting Wiring Interlock and External as described in the Electrical Installation section 12 Check and set as required all UC800TD7 menu items 13 Stop the chilled...

Страница 47: ...to drain off water which has entered the stator housing with air humidity Figure 23 Pump Package A Pump vent screw D Drain and fill valve B Air vent valve E Pump drain plug C Drain valve F Motor drai...

Страница 48: ...stuck open A restriction in the line can sometimes be identified by a noticeable temperature differential between the two sides of the restriction Frost will often form on the line at this point Prope...

Страница 49: ...illed water pump must remain in operation during the full shutdown period of the chiller if the chilled water loop does not contain glycol to prevent any risk of evaporator freeze up Refer to charts 1...

Страница 50: ...es with specific attention to the following 1 Refrigerant used in any type of air conditioning or refrigerating equipment should be recovered and or recycled for reuse reprocessed reclaimed Never rele...

Страница 51: ...lowed operating range A fully loaded chiller is highly recommended for a successful operation In case the technician is not able to ensure a 2 circuit fully loaded chiller then he must lockout one cir...

Страница 52: ...ithTrane OIL00317 for RTAF HSE 9 Install the new filter element in the filter housing 10 Inspect the flange gasket and replace it with a new one if damaged 11 Install the flange and torque the bolts t...

Страница 53: ...il analysis compressor filter replacement re tubing the evaporator and so forth 2 Additionally some maintenance procedures may result in virtually all the oil being removed compressor motor burn or to...

Страница 54: ...oid any catastrophic damage to the compressor or unit Deduct from final charge all charge added for prelubrification to avoid over charging Field Oil Charging Procedure Use the initial charging proced...

Страница 55: ...the filter housing does not have contaminants such as non condensable gases The oil forces these gases out of the filter and oil line shutoff valve without the need to pull a vacuum on this small vol...

Страница 56: ...from the unit to gain safe access to the microchannel coil Note It is better to clean the coil from the opposite direction of normal air flow inside of unit out because this allows the debris to be p...

Страница 57: ...brication The bearings of motors 5 5kW and 7 5kW are greased for life and require no lubrication The pump shaft seal does not require any special maintenance Visual leakage check are however required...

Страница 58: ...ant Pressure psia Approach Temperature C Water flow Status Spillover Tank liquid level mm EXV Open Condenser Outdoor Temperature Ckt 1 Air flow Saturated Refrigerant Temperature C Refrigerant Pressure...

Страница 59: ...RLC SVX19A E4 59 Notes...

Страница 60: ...comfortable and energy efficient environments Trane offers a broad portfolio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www Trane com 2...

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