4. Hydraulic Theory
TABLE OF CONTENTS
4. HYDRAULIC THEORY ..................................................3
4.1 Overview............................................................ 3
4.2 Dialysate Circuit................................................ 4
4.2.1 Incoming Water Pressure Regulator ............4
4.2.2 Water On/Off Valve.....................................5
4.2.3 Heat Exchanger............................................5
4.2.4 Heater, Thermistor, Safety Thermostat........5
4.2.5 Concentrate Line Regulator(s) and
Concentrate Central Delivery Systems
(optional)...................................................6
4.2.6 Volumetric Proportioning System ...............6
4.2.7 Supply Manifold ..........................................6
4.2.8 Air Removal System ....................................9
4.2.9 "A" & "B" Rinse Fittings .............................9
4.2.10 Supply Pump Recirculation Loop..............9
4.2.11 Input Pressure Equalizer, Flow Equalizer,
and Output Pressure Equalizer................12
4.2.12 End-of-Stroke Sensors .............................12
4.2.13 Dialysate Monitoring Manifold ................14
4.2.14 Dialysate Bypass Valve and Sensor.........16
4.2.15 Rinse Block..............................................17
4.2.16 Dialysate Sample Ports .............................17
4.3 Ultrafiltration System ..................................... 17
4.4 Blood Leak Detector....................................... 18
4.5 Other Components ......................................... 18
4.5.1 Rinse Valve................................................18
4.5.2 Heat Disinfection Recirculation Valve ......19
4.5.3 Citric Acid Valve Manifold (optional) ......19
Standard Hydraulics Flow Diagram ..................... 21
157-1278-893 Rev A 4-1
January 2004