TRENDnet Series 300 manual Time Delay Adjustment, Sensor Adjustments, Time Delay Settings

Page 11

SECTION 4 ADJUSTMENTS

Time Delay Adjustment

Standard time delays are set to customer specifications (if none specified, standard factory settings are used).

To change a setting, follow procedure on page 4-2. Use Table 4-1 as a guide to time delay values and their corre- sponding adjustment DIP switch or potentiometer.

Table 4-1. Time Delay Settings

DESCRIPTION

LABELS

FACTORY

ADJUSTMENT

S3 DIP

SETTING

RANGE

SWITCH

 

 

Override Momentary

TD ES

3 seconds

1 second

Actuator 1 on

 

 

 

 

 

 

 

 

 

 

 

Normal Source Outages

3 seconds

Actuator 1 off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transfer to Emergency

TIMER

0 minutes

0 to 5

 

 

 

N/E

(full ccw)

minutes

 

 

 

 

 

 

Override Momentary

4 seconds

non-adjustable

 

 

 

Emergency S. Outages

 

 

 

 

 

 

 

 

Retransfer to Normal

TIMER

30 minutes

1 second to

 

 

 

E/N

(full cw)

30 minutes

 

 

 

 

 

 

Unloaded Running

5 minutes

non-adjustable

 

 

 

(Engine Cooldown)

 

 

 

 

 

 

 

 

 

 

 

 

ADJUSTMENT

 

 

 

 

POTENTIOMETER

 

 

1

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

P2

 

 

 

 

 

 

P1

 

 

 

 

 

 

 

Sensor Adjustments

Voltage and frequency sensor pickup and dropout points are set to customer specifications (if none specified, standard factory settings are used). To change a setting, follow procedure on page 4–2. Use Tables 4-2 and 4–3 for settings and corresponding DIP switch actuators.

!

Any change in these settings may affect the normal operation of the automatic transfer switch. This change could allow the load circuits to remain connected to a low voltage source.

Table 4-2. Voltage and Frequency Settings. ( Shaded DIP switches are standard factory settings).

DESCRIPTION

LABELS

SETTING

% of nominal

S1 DIP

FACT. SET

ADJ RANGE

SWITCH

 

 

 

 

 

 

 

 

 

 

PU / N

Pickup

90 %

95 % *

Actuator 3 off

 

 

90 %

Actuator 3 on

 

 

 

 

 

 

 

 

 

 

 

 

90 % *

Actuator 1 off

 

 

 

 

 

 

 

 

 

 

Actuator 2 off

 

 

 

 

 

 

 

Normal Source Voltage

 

 

 

85 %

Actuator 1 on

 

 

 

 

 

 

 

 

 

Actuator 2 off

 

 

DO / N

Dropout

85 %

 

 

 

80 %

Actuator 1 off

 

 

 

 

 

 

 

 

 

 

 

 

Actuator 2 on

 

 

 

 

 

 

 

 

 

 

 

70 %

Actuator 1 on

 

 

 

 

 

 

 

 

 

 

Actuator 2 on

 

 

 

 

 

 

 

Emergency Source

– –

Pickup

90 %

non-adjustable

– –

 

 

 

 

Voltage

– –

Dropout

75 %

non-adjustable

 

 

 

– –

Pickup

95 %

non-adjustable

– –

 

 

 

 

 

Emergency Source

– –

Dropout

85 %

non-adjustable

 

 

 

 

 

60 Hz

Actuator 4 off

Frequency

60 / 50

60 / 50 Hz

60 Hz

 

 

 

 

 

Hz

50 Hz

Actuator 4 on

 

 

 

 

 

 

 

Voltage Phases

3 4 , 1 4

3 4 / 1 4

3 4

3 phase

Actuator 6 off

1 phase

Actuator 6 on

 

 

 

 

* If dropout voltage is set to 90%, the pickup voltage must be set to 95%.

3 3 1 2 1 2 1 2 1 2

4 4 6 6

Table 4-3. Transformer Voltage Adjust.

(Low setting shifts all voltage settings down 4.2%; for example, 240 V to 230 V, or 480 V to 460 V)

DESCRIPTION

LABELS

FACTORY SETTING

ADJUSTMENT

S3 DIP SWITCH

Voltage Adjust (4.2%)

LOW /

HI

LOW

Actuator 2 off

 

 

 

 

 

 

 

 

 

 

HI

HI

Actuator 2 on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 2

4--1

Image 11
Contents Operator’s Manual 1000 1200 1600 2000 2600 3000 Nameplate Catalog Number IndentificationInstallation Auxiliary Circuits Source fails Transfer switchController Ground Engine Starting ContactsManual Operation Test Installation Functional TestATS Position Indicators Black circle means light is on InstallationUse a phase rotation meter to Voltage ChecksElectrical Operation Transfer To Emergency Sequence of OperationPreventive Maintenance Testing & ServiceManual Load Transfer Testing & ServiceTROUBLE-SHOOTING Proceed with care Automatic transfer switch is energizedTime Delay Settings AdjustmentsTime Delay Adjustment Sensor AdjustmentsClose the enclosure door AdjustmentsHow to Change a Setting Step Function Explanation Push Button Status Light DIP Switch SettingsHow to Set Built-In Timer BUILT-IN Engine ExerciserOptional Programmable Engine Exerciser Accessory 11CD Control FeaturesProgramming Engine On-Off Periods Setting the Clock Time and DayCanceling Time Programs Changing or Checking Time ProgramsLoad Disconnect Feature Inphase Monitor For Motor Load TransferControls Strip Heater AccessoryIndex

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