background image

QS4500TE0001

Page 5

Effective 6.01

Step 6: To view setpoints, press the <Display Select>
pushbutton until the Set Points LED lights. Use the

Table 1 Setpoint Possibilities

Setpoint 

Setpoint Units

Description

Range

Factory Default

TDES

Minutes:Seconds

Time Delay Engine Start

0 to 120 seconds

0

TDNE

Minutes:Seconds

Time Delay Normal to Emergency

0 to 1800 seconds               0

TDEN

Minutes:Seconds

Time Delay Emergency to Normal

0 to 1800 seconds

TDEC

Minutes:Seconds

Time Delay Engine Cooloff

0 to 1800 seconds               0

NOMF

Volts

Nominal Frequency

50 or 60 Hz

As ordered

NOMV

Volts

Nominal Voltage

120 to 600 volts

As ordered

1UVD

Volts

Source 1 Undervoltage Dropout

97% to 50% of NOMV         80% of NOMV in volts     

2UVD

Volts

Source 2 Undervoltage Dropout

97% to 50% of NOMV         80% of NOMV in volts

1UVP

Volts

Source 1 Undervoltage Pickup

99% to (1UVD + 2%)           90% of NOMV in volts

2UVP

Volts

Source 2 Undervoltage Pickup

99% to (2UVD + 2%)           90% of NOMV in volts

1OVD

Volts

Source 1 Overvoltage Dropout

105% to 120%

115% of NOMV in volts

2OVD

Volts

Source 2 Overvoltage Dropout

105% to 120%

115% of NOMV in volts

1OVP

Volts

Source 1 Overvoltage Pickup

(1OVD - 2%) to 103%          110% of NOMV in volts

2OVP

Volts

Source 2 Overvoltage Pickup

(2OVD - 2%) to 103%          110% of NOMV in volts

1UFD

Hertz

Source 1 Underfrequency Dropout

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 Overfrequency Pickup

(2OFD - 1Hz) to 101%

TDN

Minutes:Seconds

Time Delay Neutral

0 to 120 seconds

0

TDNLD

Load Decay Neutral

0=Disable, 1=Enable           0

LDCY

Volts

Load Decay Voltage

10% to 30% of NOMV        10%

PRFSRC

Preferred Source

0=None, 1-Src1, 2=Src2     1

EXER

Clock Exerciser

0=Disable, 1=Enable           0

EXLD

Exercise Load Transfer

0=Disable, 1=Enable           0

PEDAY

Exercise Day

1 to 7 (1=Sunday)

PEH

Clock Exercise Hour

12am to 11pm

PEMIN

Clock Exercise Minute

00 to 59

MANTR

Retransfer Mode

0=Automatic, 1=Manual      0

CTDNE

Commit/No Commit

0=Not, 1=Commit

TMODE

Engine Test Mode (Pushbutton)

0=No Load, 1=Load,           0

2=Disable  

TER

Hours:Minutes

Engine Test/PE Run Time

1 minute to 10 hours           1

TPRE

Minutes:Seconds

Pre Transfer Signal Time

0 to 120 seconds                 0

GENNO

Number of Generators

0=Dual Utility,                      1

1=One (Source 2)

2=Dual Generator

PHASE

Phases

1 or 3

As Ordered

TSEQ

Minutes:Seconds

Time Delay Load Sequencing

0 to 120 seconds                 0

PT

PT Ratio

2 (2:1) to 500 (500:1)           2

TDEF

Seconds

Time Delay Engine Fail

0 to 6 seconds                     0

<Step> pushbutton to step through the set points
(Figure and Table 1). 

Summary of Contents for Cutler-Hammer QS4500TE0001

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Reviews: