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OMHAC415-120PX INTRODUCTION The load bank HAC415-120PX (see fig 1) is designed for testing 415 volt, three phase, 50 Hz UPS or generators on a 4 wire, star, connection, plus earth. The unit comprises of pre-set, force cooled, high powered resistor channels which ...
OMHAC415-120PX SAFETY CONSIDERATIONS 1. The unit should only be operated by competent electrical engineers who are completely familiar with the operation and specification of the load bank. 2. The equipment is designed for AC operation only and therefore must not be used on DC loads such as batteries.
OMHAC415-120PX CONNECTION PROCEDURE Ensure the power source to be tested is compatible with the load bank operating voltage and frequency. B. Ensure the power source is de-energised. C. Do not attempt to operate the load bank above the maximum operating voltage. D.
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OMHAC415-120PX G. Ensure the power cables are correctly connected to the power source (see fig 4) observing correct phase rotation. Phase Conductor - Line 1 Phase Conductor - Line 2 Phase Conductor - Line 3 ...
OMHAC415-120PX OPERATING INSTRUCTIONS Operators should read the SAFETY CONSIDERATIONS and CONNECTION PROCEDURE before carrying out the following operating instructions Ensure all panels are in place on the load bank. Ensure all panel mounted switches are in the OFF position. ...
OMHAC415-120PX CONTROLLING THE LOAD BANK WITH THE HHC To control the load bank the HHC hand held controller (see fig 7) is used. The HHC incorporates 3 control buttons; UP, DOWN and STOP. ...
OMHAC415-120PX SPECIFICATION Type ref HAC415-120PX Max operating voltage 415V three phase Max current rating 171A per phase Max power rating 123 KW three phase Operating Frequency 50 Hertz Connection star 4 wire, balanced load ...
OMHAC415-120PX MAINTENANCE PROCEDURES The load bank should not require any special maintenance, however as with any electrical equipment periodic checks should be carried out to ensure the equipment is in a safe and satisfactory condition. ...
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