PRINTER DELTA. REPETIER. HELP

Projects General Guidance
1

HELLO, I do not understand how to configure the GUI Repetier-Firmware.

engines work, but they move very very very slow.
the hotend and termitor, failed to work.

I have:
Arduino Mega / ramp 1.4

http://www.repetier.com/firmware/v092/index.html
http://www.repetier.com/download/repetier-host-windows-1-0-6/

2

Have this Temperature sensor.
within this list, which corresponds?

http://www.ebay.com/itm/3DPrinter-Extruder-All-Metal-J-head-Hotend-for-1-75-3mm-Filament-RepRap-MakerBot-/271849614150?pt=LH_DefaultDomain_0&var=&hash=item3f4b7feb46

within this list, which corresponds?

3

HI

another problem:

if I put in Motherboard: ramps 1.3 / ramps 1.4
the hotend works well, warm and gives perfect temp.
but, stepper motors are not working.

if I put in Motherboard: MEGA / RAMPS UP 1.2.
funionan engine but move very very very very slow.
the hotend not heated and gives no temp

what's going on ??