GE Entelli-Switch 250 manual Accessory Definitions, A62, Calibrate

Accessory Definitions

6P

Test Switch, Momentary

6A

Test Switch, Maintained Auto/Momentary Test

6AP

Test Switch, Maintained/Momentary utilizing keypad

6B

Test Switch, Maintained - Auto / Momentary - Test, Key Operated

6C

Test Switch, Maintained - Auto / Maintained - Test, Key Operated

A1

Auxiliary Contact, operates on Source 1 line failure.

A1E

Auxiliary Contact, operates on Source 2 line failure.

A3

Auxiliary Contact: Closed in emergency (Source 2) Additional Available (10 max.) and need to be specified.

A4

Auxiliary Contact: Closed in normal (Source 1) Additional Available (10 max.) and need to be specified.

A62

Sequential Universal Motor Load Disconnect Circuit. Normally closed auxiliary contacts for motor loads. Open 0-60 seconds prior to transfer, after transfer, or both in either direction then re-close in timed sequence after transfer.

AB3

Auxiliary Contact: Closed in bypass emergency (Source 2) (S.P.D.T.) (Standard up to 400 Amp) Additional Available (10 max.) and need to be specified.

AB4

Auxiliary Contact: Closed in bypass normal (Source 1) (S.P.D.T.) (Standard up to 400 Amp) Additional Available (10 max.) and need to be specified.

B9

Battery charger connections.

Calibrate

While monitoring the actual Phase to Phase voltage lev- els and Frequency with a calibrated test equipment, the Phase to Phase voltage sensing and Frequency can be adjusted accordingly. Calibration capabilities are available for Frequency and AB, BC, CA Phase to Phase voltage for both Sources. Adjust via SET menu (see page 18)

CDP

Clock Exerciser Load/ No Load: Allows the Generator to start and run unloaded or to simulate a power failure, start Generator and run under load.

Can be configured by end user for 1, 7, 14, 28, 365 day cycle. (See page 16)

CDT

Load or NO-Load. One event exerciser with adjustable Engine exercise timer. Exercise duration can be set between 5 and 60 minutes in 1 minute increments. Can be configured to run every 1, 7, 14, or 28 days. Factory Default is 20minutes. When exerciser is impending, (*E*) appears in the upper right hand corner of LCD screen. See page 15 for instructions. Configured via CFG (see page 17). Set via SET menu (see page 18).

CTAP

Alarm Panel on transfer to Source 2 with Silence button.

DS

Disconnect Switch, Auto/Inhibit.

Inhibits transfer in either direction when in inhibit. Allows automatic operation when in Auto.

(40-400 Amps optional, 600-4000 Amps standard)

DT (Delayed Transition Only)

Time Delay from Neutral Switch position to Source 1 position. Adjustable 0-10 minutes in 1 second incre- ments. Standard setting is 5 seconds Adjust via SET menu (see page 18)

DW (Delayed Transition Only)

Time Delay from Neutral Switch position to Source 2 position. Adjustable 0-10 minutes in 1 second incre- ments. Standard setting is 5 seconds.Adjust via SET menu (see page 18)

E

Engine Start Contact

EL/P

Event Log: Sequentially Numbered Log of 16 events that track

date, time, reason and action taken System Data: Total Life Transfers (N2P)

Days Powered Up Total Transfers to S2 Total S1 Failures Time S1 available in Hrs

Time S2 available in Hrs. (N1P)

F

Fan contact, operates when generator is running.

HT

Heater and Thermostat

K

Frequency Meter, Door mount.

K/P

Frequency Indication for S1 and S2

L

LNP Center-off position LCD-Indicator Indicating LED lights:

L1 Indicates Switch in Source 2 position.

L2 Indicates Switch in Source 1 position.

L3 Indicates Source 1 available.

L4 Indicates Source 2 available.

■ GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000) 11 ■