7
1.4
Batteries specifications
The wheelchar CaterWil GTS3 has 2 AGM batteries that are maintenance-free.
Table 2. Delta HRL 12-33 battery specifications
Nominal voltage
12V
Rated capacity (2 hour rate)
33Ah
Number of cell
6
Weight
11.5 kg
Dimensions (height x length x width)
195x130x168 mm
Discharge temperature
-20 to 60°C
Charge temperature
-10 to 60°C
Storage temperature
-20 to 60°C
Self discharge per month
3% of capacity at 20
℃
Number of cycles at 40% capacity loss.
300 cycles of 100% discharge
1.5
Safety features
The wheelchar has safety features to provide maximum safety during exploitation,
transportation and storage.
Table 3. Safety features.
№
Safety feature
Notes
1 ESD button
For emergency stop
2 Electromagnetic brakes that are
active when power failure or
shutdown
Parking-brakes and emergency brakes
3 40A fuse
For overload or short circuit prevention
4 Battery charge indicator
For battery discharge prevention
5 Emergency stop when Remote
controller communication is failed
Automatic stop when Remote controller is unplugged
or wires are damaged
6 Motors load control
If motors are overloaded systems stops automatically
7 Brakes monitoring
Automatic stop when brakes are unplugged or wires
are damaged
8 Roll and pitch control system
System controls roll and pitch angles of the
wheelchair and passengers seat. It slows down or
stops moving if angles are dangerous.
9 Stop ends on linear actuators
Used for limiting motion of actuators
10 System self diagnostic
System checks all the components. If they are
plugged and works fine. If not it will show an error
(See Table 5. Troubles and remedies)
11 Safety belt
Optional
The driver is protected from scalding. The potential sources of heat like power electronics,
motors and batteries are isolated from user.