VR2 CONTROL SYSTEM
SK77898/2
PG DRIVES TECHNOLOGY
36
8 Battery Charging
The VR2 control systems supports both on-board and off-board methods of battery
charging. While the battery is being charged the VR2s TruCharge display will
continuously ripple or step upwards. The two methods of charging are described in
the following sections.
8.1 Off-board Charging
All VR2 control systems have a battery charging socket mounted on their front face
for connection to an off-board charger.
The maximum permissible charging current is 12A rms. Only chargers fitted with
Neutrik NC3MX plugs should be connected into the VR2 control system. The pin
connections of the socket are as below.
To prevent the wheelchair from driving while the charger is connected, pin 3 must
be linked to pin 2 inside the chargers plug.
Do not exceed the maximum charging current of 12 A rms.
Always use an off-board charger fitted with a Neutrik
NC3MX plug. Failure to observe these conditions could result
in poor contact resistance in the charger connector resulting
in overheating of the charger plugs. This presents a potential
burn hazard for the user. PGDT accepts no liability for
losses of any kind arising from failure to comply with this
condition.
Ensure that the charger plug pins are of the correct polarity
to be compatible with the pin polarity shown on the control
systems specific data sheet. Failure to observe this condition
could result in a burn hazard or fire hazard. PGDT accepts
no liability for losses of any kind arising from failure to
comply with this condition.
Do not disconnect batteries or open-circuit the circuit breaker
while charging is in progress. Failure to observe this
condition could result in a burns hazard or fire hazard.
PGDT accepts no liability for losses of any kind arising
from failure to comply with this condition.
Pin
1
2
Battery Positve
Inhibit
3 Battery Negative
Connection
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