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<onlyinclude>
The Charging Control Unit (CCU) on Meanwell-charger-equipped models (all 2013 and the 2014FX) collects battery temperature sensor data, battery voltage, and charger DC voltage to decide on whether to open or close the [[#Contactor|contactor]]. It also manages the Meanwell [[#Charger|onboard charger]] which has no CANBus connection or programmability, so when the programmable Calex charger was introduced, the CCU's functions were moved to direct BMS/MBB management.
[[File:CCU-top.JPG|thumb|CCU top]]
[[File:CCU-back.png|thumb|CCU back]]
[[File:CCU-front.png|thumb|CCU front]]
; Connectors
: CCU 18-pin connector: [http://www.mouser.com/ProductDetail/JAE-Electronics/MX23A18SF1/?qs=sGAEpiMZZMs7eK6h2EBtKkAz7jnNYZmagRPFVYhCTJM%3d JAE Electronics MX23A18SF1]
: [[File:ccu-connector.png|400px|2013 CCU Connector diagram]]
: [[File:ccu-connector-schem.png|400px]]
; TODO
: more from Burton's post here: [http://electricmotorcycleforum.com/boards/index.php?topic=3987.msg25494#msg25494 Re: 2013 S 11.4 quick charger build]
The contactor protects the battery against faults. It is analogous to a circuit breaker. The CCU directs it.
2012-2013 models exhibited behavior where the BMS in certain situations yielded a "contactor welded shut" condition that require dealer servicing. Later model years fail more safely (open).
2014+ models do not have a CCU, and the BMS directly controls the contactor and onboard charger.
; Location
: Under the seat in front of the [[#Main_Bike_Board|MBB]] with the connections mounted on top.
; Limits
: The CCU terminals are not designed for high amperage currents. Presumably, anything above the 2013's intended 30A charging limit could damage the CCU or trigger the contactor opening.
{{Warning|This is always energized. Any exposure of this at any time will risk direct contact with battery terminals that could result in injury or equipment damage.
: '''DO NOT UNCOVER''' this without professional-level care!}}
If you are in a remote location, and have trouble with a contactor unit not closing without any indication of a particular condition that interlocks it in the BMS, a little mild mechanical agitation (while the vehicle is keyed off) against the top surface with a rubber mallet might loosen it.
</onlyinclude>
[[Category:HV Component]]
The Charging Control Unit (CCU) on Meanwell-charger-equipped models (all 2013 and the 2014FX) collects battery temperature sensor data, battery voltage, and charger DC voltage to decide on whether to open or close the [[#Contactor|contactor]]. It also manages the Meanwell [[#Charger|onboard charger]] which has no CANBus connection or programmability, so when the programmable Calex charger was introduced, the CCU's functions were moved to direct BMS/MBB management.
[[File:CCU-top.JPG|thumb|CCU top]]
[[File:CCU-back.png|thumb|CCU back]]
[[File:CCU-front.png|thumb|CCU front]]
; Connectors
: CCU 18-pin connector: [http://www.mouser.com/ProductDetail/JAE-Electronics/MX23A18SF1/?qs=sGAEpiMZZMs7eK6h2EBtKkAz7jnNYZmagRPFVYhCTJM%3d JAE Electronics MX23A18SF1]
: [[File:ccu-connector.png|400px|2013 CCU Connector diagram]]
: [[File:ccu-connector-schem.png|400px]]
; TODO
: more from Burton's post here: [http://electricmotorcycleforum.com/boards/index.php?topic=3987.msg25494#msg25494 Re: 2013 S 11.4 quick charger build]
The contactor protects the battery against faults. It is analogous to a circuit breaker. The CCU directs it.
2012-2013 models exhibited behavior where the BMS in certain situations yielded a "contactor welded shut" condition that require dealer servicing. Later model years fail more safely (open).
2014+ models do not have a CCU, and the BMS directly controls the contactor and onboard charger.
; Location
: Under the seat in front of the [[#Main_Bike_Board|MBB]] with the connections mounted on top.
; Limits
: The CCU terminals are not designed for high amperage currents. Presumably, anything above the 2013's intended 30A charging limit could damage the CCU or trigger the contactor opening.
{{Warning|This is always energized. Any exposure of this at any time will risk direct contact with battery terminals that could result in injury or equipment damage.
: '''DO NOT UNCOVER''' this without professional-level care!}}
If you are in a remote location, and have trouble with a contactor unit not closing without any indication of a particular condition that interlocks it in the BMS, a little mild mechanical agitation (while the vehicle is keyed off) against the top surface with a rubber mallet might loosen it.
</onlyinclude>
[[Category:HV Component]]