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Contents

1 Introduction to the DX System .................................9

The heart of the DX System..................................................................... 9

DX System extensions............................................................................... 9

DX System connections ........................................................................... 9

One system fits all ..................................................................................... 9

2 A typical DX powerchair setup..............................10

2.1 Installation procedure................................................................... 11

2.1.1 General wiring recommendations............................. 12

2.2 The batteries................................................................................... 13

2.2.1 Battery type ................................................................... 13

2.2.2 Battery capacity ...........................................................13

2.2.3 Battery charging ........................................................... 15

2.2.4 Battery protection......................................................... 16

2.2.4.1 Thermal circuit breakers................................................. 16

2.2.4.2 Battery Saver.................................................................... 16

2.2.4.3 High Voltage Rollback.................................................... 16

2.3 The motors....................................................................................... 17

2.3.1 Motor types.................................................................... 17

2.3.2 Motor connections .......................................................18

2.3.3 Motor resistance............................................................18

2.4 The parkbrakes............................................................................... 19

2.4.1 Parkbrake types............................................................. 19

2.4.2 Parkbrake configurations............................................. 19

2.4.2.1 Two 24V parkbrakes – Dual, M1 and M2..................... 19

2.4.2.2 One 24V parkbrake – Single, M1 only.......................... 20

2.4.2.3 Two 12V parkbrakes........................................................ 21

2.4.3 Manual parkbrake release switch.............................. 22

2.4.4 Mechanical parkbrake release..................................22

2.4.5 Parkbrake operation and programming...................22

2.4.5.1 Electrical delay................................................................ 23

2.4.5.2 Mechanical delay........................................................... 23

3 The DX BUS ...............................................................25

3.1 The DX BUS cable........................................................................... 26

3.2 DX BUS Module connection layout............................................. 28

Dynamic DX User Manual

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