Hansen PXVC-CI Manual Download Page 17

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PXVC

AUGUST 2018

PXVC-CI

The PXVC-CI (Controller Interface) controller is designed

to allow an electronic system such as microcontroller or
PLC to interface with a Pulse Width Expansion Valve. The

Controller accepts a 4-20mA analog input and provides
pulse width signal to the PXV valve as shown in Figure 12.

PXVC-CI

FIGURE 12.

Summary of Contents for PXVC-CI

Page 1: ...alarm output Pre configured temperature and pressure alarms Other options available contact factory for information Intuitive button interface Large backlit lcd Alternate menus to visually monitor se...

Page 2: ...ronment IEC 721 3 3 Class 3K5 I operating temperature range 32F to 122F II 95 RH noncondensing Inputs 1 Pressure 2 Temperature 3 Interlock optional I Univeral Input Configured Based on Application Pre...

Page 3: ...3 PXVC AUGUST 2018 PXVC UNIVERSAL CONTROLER All Models Controller information INSTALLATION FIGURE 1 PXVC T L P CI DX PINOUT FIGURE 2...

Page 4: ...essure transducers are imprecise below 60F and standoffs are recommended It is important that the pressure transducer is installed as close to the outlet of the heat exchanger evaporator shell and tub...

Page 5: ...the set point 5 Pressing the left arrow will either escape go back from a menu or if at the main menu show the second screen on PXVC PT models On other models Hansen recommends only utilizing screen 1...

Page 6: ...action high value fast reaction 0 25 5 8 0 0 1 0 1 0 1 1L 14 KIC Integral direct acting in 0 1 steps 0 25 5 8 0 0 1 0 1 0 1 1L 15 TI measuring interval integral low value fast reaction high value slow...

Page 7: ...oportional control with integral error correction to digital and analog outputs for use with Hansen Motorized Control Valves and Pulse Expansion Valves The PXVC PT allows for monitoring of the refrige...

Page 8: ...rigerant temperature for the equipment to function properly set suction pressure to appropriate value observe that the superheat set point must be less than the temperature differential between the me...

Page 9: ...9 PXVC AUGUST 2018 PXVC PT FIGURE 7...

Page 10: ...h OFF ON OFF AL13 Input 2 Upper limit 76 F 250 F 250 F AL14 Input 2 Differential Alarm 0 F 100 F 10 F PARAMETER DESCRIPTION VALUE DEFAULT FS00 R717 R22 R134a R507 0 1 2 3 0 10 PXVC AUGUST 2018 PXVC PT...

Page 11: ...d to thoroughly check system and components for proper installation operation and sensor location before attempting to modify and or tune the controller Hansen controller is a multi use controller and...

Page 12: ...cond screen on applicable models 6 Review the specifications for the evaporator or heat exchanger and determine the necessary refrigerant temperature for the equipment to function properly set suction...

Page 13: ...13 PXVC AUGUST 2018 PXVC DX FIGURE 8...

Page 14: ...note that the PXVC L reacts opposite of the input quite simply this means as the level drops below set point the valve opens this is critical to remember when adjusting set point The possibility for...

Page 15: ...or 0 300psia The PXVC P Controller is preconfigured to work with either the pulse expansion valve signal on digital output 1 or the Motorized Control Valve signal on analog output 1 It is important to...

Page 16: ...NTC 10K included provides a temperature input to the Hansen PXVC T controller which pulses the Hansen PXV valve or sends an analog signal to the Hansen Motorized Control Valve The valve opens and clo...

Page 17: ...ntroller is designed to allow an electronic system such as microcontroller or PLC to interface with a Pulse Width Expansion Valve The Controller accepts a 4 20mA analog input and provides pulse width...

Page 18: ...AC Transformer 115 230VAC 24VAC 92 VA powers PXVC 24V coil 35 0037 18 PXVC AUGUST 2018 HANSEN TECHNOLOGIES CORPORATION 681 Commerce Street Burr Ridge Illinois 60527 USA Tel 630 325 1565 Toll 800 426...