The diagram is great shows cable sizes all connections including earths fuses etc and placement. The cabling must be run through pipe ducting separately from 230v110v wiring mains power or secured by clips at every 30 cm1 ft.
Ctek D250sa Dc Dc 20a Dual Battery System Solar Controller
Ctek d250s wiring diagram. Back current drain is the current that drains the battery if the charger is not connected to the mains. Open circuit voltage of solar panel in full sun is 22 volts dc max. Ctek chargers have a very low back current. Alternator is a standard non electronic type. Wiring is simplified if the units are installed according to the. Ive read many places 50a so thats what i am leaning towards.
The ctek d250s dual does the same job as the redarc bcdc1225 has a low voltage start up. 5 en smartpass lamp indication during normal operation lamp steady flashing power lamp unit ready to use 2. 1 what size fuse am i running between the battery and d250s. Battery voltage 12 v battery chemistry lead acid agm gel efb mf caca ambient operating temperature 20 c to 50 c 4 f to 122 f input 11523 v 25 a output 144147 v 20 a. Ctek dcdc battery charger d250s dual and 12v power management system smartpass for all types of lead acid wet mf agm and gel. Standard wiring for ctek d250s dual.
No external regulator is to be fitted on solar panel. Cabling in the engine compartment must be temperature rated at 700c 1580f. The ctek smartpass is designed to work together with 1 2 ctek d250s dual but can also be used alone. Most the wiring diagrams i see have the wiring pretty straight forward but 2 places i saw commentary saying that with newer vehicles should use a relay between the d250s and alternator. Total power rating of the solar panel. Just looking at buying the ctek d250s dual from ebay some come with a wiring kit like the one in the link below is it really necessary.
Service battery can be agm or flooded type as per user manual.