Hardy Process Solutions HI 4050 Quick Installation Manual Download Page 3

INPUT POWER WIRING

WARNING:  D

O NOT PLUG THE POWER CONNECTOR INTO 

THE HEADER WITH LIVE POWER

. T

O DO SO WILL RESULT IN 

PROPERTY DAMAGE AND

/

OR PERSONAL INJURY

.

WARNING:  

IF A LITHIUM BATTERY IS REPLACED WITH AN 

INCORRECT TYPE IT MAY CAUSE AN EXPLOSION WHICH WILL 
CAUSE PROPERTY DAMAGE OR PERSONAL INJURY

.

AC Input Power Wiring (-AC)

WARNING:  

DO NOT OPERATE WITH INCORRECT LINE VOLT-

AGE

TO DO SO WILL RESULT IN PROPERTY DAMAGE AND

/

OR 

PERSONAL INJURY

. M

AKE SURE THAT THE POWER SOURCE 

DOES NOT EXCEED 

240 VAC.

WARNING:  I

F AN AUTOMATIC DISCONNECT DEVICE IS USED 

ON THE 

AC 

INPUT WIRES

THE DISCONNECT MUST ACT ON 

BOTH THE LINE AND NEUTRAL WIRES IN A DOUBLE POLE

DOU-

BLE THROW ARRANGEMENT I

.

E

. DPDT R

ELAY

. U

SING OTHER 

AUTOMATIC DISCONNECT ARRANGEMENTS MAY CAUSE PER-
SONAL INJURY AND

/

OR PROPERTY DAMAGE

.

The AC power should be supplied by a “clean” primary line, 
directly from the power panel. This line should not supply any 
other equipment, including the feeding unit, and should be 
supplied with a minimum 10 amp breaker.

AC Power Input   (See Fig. 7)

Neu (Low)
Line (HI)
Earth Ground

Step 1.

The HI 4050 is configured with a universal power supply rated 
from 110 to 240 VAC. 

Step 2.

Make sure the VAC power is shut off before installing the 
wires to the connector.

Step 3.

Install a 3-wire, minimum 14 AWG power line to the 3-pin ter-
minal block connector. Make sure that the shield is connected 
to the local Earth Ground connection.

DC Power Input (-DC)

WARNING:  

DO NOT OPERATE WITH INCORRECT LINE VOLT-

AGE

TO DO SO WILL RESULT IN PROPERTY DAMAGE AND

/

OR 

PERSONAL INJURY

. M

AKE SURE THAT THE POWER SOURCE 

DOES NOT EXCEED 

24 VDC.

CAUTION:  Y

OU MUST USE A POWER LIMITED 

DC 

POWER 

SUPPLY 

(C

LASS 

2) 

ON THE 

DC 

INPUT WIRING

.

The DC power should be supplied by a “clean” primary line, 
directly from the DC power source.

Step 1.

Make sure the VDC power is shut off before installing the 
wires to the connector.

Step 2.

Connect the 24 VDC Voltage wire, Ground wire and Shield 
wire to the connector that plugs into the DC voltage header at 
the rear panel.  Make sure that the shield is connected to the 
local Earth Ground connection.

Step 3.

Plug the connector into the header at the rear panel. (See     
Fig. 7)

STARTING THE HI 4050

Step 1.

Connect the power connector (AC or DC) to the HI 4050.

Step 2.

The Instrument boots up to the Summary Display. (See Fig. 9)

FIG. 9  SUMMARY DISPLAY

Step 3.

Press the Enter button to go to the Configuration menus.   (See 
Fig. 10)

FIG. 10  CONFIGURATION DISPLAY

Step 4.

Use the HI 4050 Weight Controller User Guide for Configura-
tion, Operation and Troubleshooting instructions.

9440 Carroll Park Drive, San Diego, CA 92121

Telephone: 1-800-821-5831       FAX: (858) 278-6700

Web Address: http://www.hardysolutions.com

Hardy Process Solutions Document Number: 0596-0304-01 REV C

Copyright August 2011, Hardy Process Solutions, All Rights Reserved. 

Printed in the U.S.A.

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