High-country-tek HAU Series Manuel d'utilisateur télécharger pdf (Page 7)

HAU Product Manual

High Country Tek, Inc.

208 Gold Flat Court

Nevada City, CA, 95959.

Tel:- (1) 530 265 3236

www.hctcontrols.com 021-00140_HAU_User_Guide_Rev_Bp2

7/10

When the coil heats up in use, it increases its resistance.

Most coils will still be able to draw sufficient current to fully shift the valve if their rated voltage is supplied

to the card and the card on maximum output causes less than 1V drop.

When this is not the case, you must use a coil rated for less voltage or increase the power supply voltage.

The card will have no trouble driving a 12 V coil from a 24 V supply, or a 10 V coil from a 12 V supply for

example.

You may need a new controller if the new coil draws more current than the controller is able to supply,

based on the current range decided when ordered.

If the valve shift is erratic:

Electrical interference on the command signal control lines can cause erratic behavior if it is strong

enough i.e. high wattage CB or Walkie-Talkie being used near the installation.

Try changing the routing of the control wires to see if the problem changes.

Power supply interference or brown outs can also cause erratic behavior. Test for this by running the

card off its own fully charged battery.

Controller Mechanical Details:

HAUKRF140

Serial # D0000x

I Max

I Min

Ram p UP

Ram p DO WN

Di th er Am p

Di th er Freq

VRef

Volt

Cur

SI G Co m

PWR Com

-Coil

+Coil

+P ow er

PWR

PWM%

2.30

2.92

2.00

0.51

2.82

0.31

1.46

0.64

1.15

Notes:

• All dimensions in inches

•

Unit weight is approx. 350 grams

•

Mounting is via 3 x No. 8 holes ( 4.5mm ) on to flat surface

•

Unit shown with ALL potentiometers possible

•

ALL potentiometers are 10 turn variety with end ‘clutch’

1 2 3 4 5 6 7 8 9 10

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High-country-tek HAU Series Manuel d'utilisateur Page 7

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