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Contact DARRYL Auto Cool Guy:
562-367-3225
autocoolguy@yahoo.com
NO TEXT - NO VOICE MAIL PLEASE
!
AS OF 8-31-2023 WE NO LONGER USE PAY PAL!
MAKE ALL CHECK PAY TO RADIO RESEARCH, LTD.
OPEN AND PRINT PDF ORDER FROM ON RIGHT
SEND YOUR CHECK OR MONEY ORDER TO:
RADIO RESEARCH, LTD.
PO BOX 263
LA HABRA, CA 90633-263
POSTAL MONEY ORDERS, BANK CHECKS FOR ORDERS SHOULD BE SHIPPED WITHIN 24 HOURS.
PERSONAL CHECK MAY TAKE LONGER TO CLEAR.
GIVE US A CALL ANY TIME FOR A TRACKING NUMBER OR GENERAL INFOMATION.
YOU CAN REACH THE AUTO COOL GUY ABOUT SEVEN DAYS A WEEK.
SEE PAGE 2 UNDER CONTROLLERS FOR A FULL LILNEL LUP OF OUR PRODUCTS!

ASK YOUR FAN SUPPLIERS WHY THEY BUZZ ON LOW FREQUENCY CONTROLLERS? WHY THEY HUM
ON THE HIGH FREQUENCY CONTROLLERS?
THE AUTO COOL GUY WANTS ANSWERS!
BIG PROBLEM WITH PAY PAL!
CALL ANY TIME

HF-150 CONTROLLER
BRUSH OR BRUSHLESS
HIGH FREQUENCY 7 KHZ
ON OFF PWER SWITCH
8 TRANSISTORS TO-247
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.

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