6
P249 OCT 2013
TyPICAL WIRINg DIAgRAMS
DX eVAPORATOR CONTROL (PXVC-PT)
(Using Separate Pressure Transducer and Temperature Sensor)
FIgURe 5
Page 1: ...ooded heat exchangers to minimize fluctuations in liquid level and evaporator pressures and for liquid injection for compressor oil cooling key FEATURES PXV5 PXV15 drop in replacement valve for Sporla...
Page 2: ...und the valve bonnet and upper body while welding Socket weld fitting and valve codes require that the pipe be inserted until bottomed against the stop then backed out approximately 1 16 1 5 mm before...
Page 3: ...ON VALVE PRESSURE TRANSDUCER 10 00 2 00 POSITION PXV PXVC PT CONTROLLER INSULATION TEMPERATURE SENSOR AT 4 OR 8 O CLOCK POSITION PIPE TEMPERATURE SENSOR TO PROTECTED SUCTION DX EVAPORATOR EXPANSION VA...
Page 4: ...ler Application Figure 3 EXPANSION VALVE SURGE VESSEL PXV OR PXVW PULSE WIDTH OR TECHNI LEVEL VLT VARI LEVEL WITH MOD420 CUSTOMER SUPPLIED HANSEN FOR LIQUID LEVEL PXVC L CONTROLLER OPERATION Liquid in...
Page 5: ...VW Typical Liquid injection cooling for screw compressor application Figure 4 For systems using the PXVW valve the integral hand expansion stem capacity must be adjusted to match the capacity of the e...
Page 6: ...6 P249 OCT 2013 tYPICAL wiring diagrams DX Evaporator Control PXVC PT Using Separate Pressure Transducer and Temperature Sensor Figure 5...
Page 7: ...7 P249 OCT 2013 tYPICAL wiring diagrams DX Evaporator Control PXVC DX Using Hansen HPT 4 20 mA or Customer Supplied 4 20 mA Superheat Input Figure 6...
Page 8: ...8 P249 OCT 2013 tYPICAL wiring diagrams Temperature control Figure 7...
Page 9: ...9 P249 OCT 2013 tYPICAL wiring diagrams Liquid level control Figure 8...
Page 10: ...er Kit Above kit consists of Long life Plunger Solenoid Tube Solenoid Tube O Ring Tube Screws Coil Knob PXV Gasket Kit Above kit consists of Solenoid Tube O Ring Strainer Cap O Ring Flange Gasket Stra...
Page 11: ...Washer Packing Nut Seat O Ring PXVW Stem Kit Above kit consists of Capacity Adjustment Stem Gasket Kit Bonnet Cartridge Kit Above kit consists of Cartridge Assembly PXVW Piston Seat Kit Above kit con...
Page 12: ...ng with a drive ratchet attach the seat removal tool with the two lugs on the end 7 Remove seat by turning counterclockwise 8 Once the seat is loose withdraw the tool 9 Reverse the seat removal tool a...
