THE AUTO COOL HF-150 IS OUR LATEST CONTROLLER DESIGN.
IT RUNS AT 7 KHZ AND WILL POWER BRUSHLESS OR BRUSH TYPE FANS.
COOL DOWN TIMER AFTER IGNITION SHUT OFF.
IT HAS SOFT START THAT LIMITS FAN CURRENT WHEN STARTING.
THE SENSOR MEASURES RADIATOR OUTFLOW TEMP AND ADJUST FAN RPM,
SET THE OUTFLOW TEMP AT 15 TO 320 DEGREES BELOW THERMOSTT TEMP.
IT HAS A/C FAN SPEED CONTROL, RADIATOR TEMP WILL OVER RIDE AS NEEDED.
FAIL SAFE PUT THE FAN OR FANS IN HIGH RPM BY GROUNDING F/S P IN.
USE THE BLACK KNOB TO SET OUTFLOW TEMPERATYRE.
USE 20 AWG WIRE TO CONNECT TO THE 7 PIN CONNECTROR SERVICE.
YSE 10 AWG  WIRE ON HIGH CURRENT FAN LINES.
1/4-20 BRASS STUDS CONNECT FAN CURRENT AND GROUND RTN.
ALL BRASS AND STAINLESS STEEL HARDWARE USED..  POWDER COATED GLOSS BLACK.