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QS4500TE0001

Page 6

Effective 6/01

Step 7: To change or add a setpoint, place the <Run -
Program> 
switch on the rear of the IQ Transfer Logic
unit in the 

Program position (Figure 7). The red LED

next to 

Program on the front display will flash (Figure 6).

Figure 7 IQ  Transfer Logic (Rear View)

Press the <Display Select> pushbutton until the Set
Points LED lights. Use the <Step> pushbutton to step
through the setpoints.                                                 

Use the <Increase> and <Decrease> pushbuttons to
change the setpoint.                                                 

When finished changing setpoints, return the <Run-
Program> 
switch to the 

Run position and wait. The dis-

play should display the word 

Program and the red LED

next to 

Program will go out. When the display goes

blank, the setpoints have been changed to their new
values. 

Содержание Cutler-Hammer QS4500TE0001

Страница 1: ...T BE STARTED UNTIL THE ENTIRE INSTRUCTION BOOK HAS BEEN REVIEWED AND UNDERSTOOD FAILURE TO FOLLOW INSTRUCTIONS CAN RESULT IN DEATH SEVERE PERSONAL INJURY OR PROPERTY DAMAGE Step 1 Mount the transfer switch on a flat rigid surface Figure 1 Shim if necessary For seismic mounting requirements check the instruction book WARNING Figure 1 Mounting Details Shim If Necessary View A See Detail A ...

Страница 2: ...pole transfer switches connect load cables T4 normal or utility supply N4 and emergency or generator supply E4 Refer to Figure 2 for the location of all parts discussed in this document Load cables on switches using the vertical design MUST be connected and torqued BEFORE installing the SUPPLY cables Figures 3 and 4 Figure 2 300A 3 Pole Automatic Transfer Switch Interior Normal Power Source Molded...

Страница 3: ...he generator Step 4 Connect Engine Generator Control to Terminals 51 and 52 Red Figure 5 This contact is CLOSED whenever the engine generator is needed and should be connected to a generator controller NEVER connect directly to a starter solenoid or ignition system Figure 5 Engine Start Contact Location Tighten Cables Into Terminals See Detail B Detail B Typical Engine Start Contacts Red Terminals...

Страница 4: ... check for proper system voltage on the normal and load terminals Check all phases on a three phase switch Voltage measurements should be taken phase to phase and phase to neutral Figure 6 IQ Transfer Logic Utility Supplying Load The following lights must be ON Source 1 Available Source 1 Preferred Source 1 Connected Load Energized Perform LED lamp test by depressing and holding All LED s should t...

Страница 5: ...ropout 90 to 97 of NOMF 2UFD Hertz Source 2 Underfrequency Dropout 90 to 97 of NOMF 1UFP Hertz Source 1 Underfrequency Pickup 1UFD 1Hz to 99 2UFP Hertz Source 2 Underfrequency Pickup 2UFD 1Hz to 99 1OFD Hertz Source 1 Overfrequency Dropout 103 to 110 of NOMF 2OFD Hertz Source 2 Overfrequency Dropout 103 to 110 of NOMF 1OFP Hertz Source 1 Overfrequency Pickup 1OFD 1Hz to 101 2OFP Hertz Source 2 Ove...

Страница 6: ... Logic Rear View Press the Display Select pushbutton until the Set Points LED lights Use the Step pushbutton to step through the setpoints Use the Increase and Decrease pushbuttons to change the setpoint When finished changing setpoints return the Run Program switch to the Run position and wait The dis play should display the word Program and the red LED next to Program will go out When the displa...

Страница 7: ...sfer Figure 9 This may be done by making the TMODE setpoint 1 and pressing the Engine Test pushbutton The generator should start the ATS should transfer and run on the generator for the set test inter val then proceed to a TDEN countdown and return to NORMAL While the tansfer switch is connected to emergency use a voltmeter to check for correct system voltage on the load terminals of the transfer ...

Страница 8: ...nel The normal con trol circuit disconnect is the disconnect marked Normal The disconnect switch should be in the ON position for normal operation Turning the switch to the OFF position will simulate a normal power out age Figure 10 Control Disconnect 3 The generator should start and the ATS should transfer to Emergency 4 After transfer close the upstream breaker or close the Normal Control Circui...

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