Table of Contents
Advertisement
6/P
Test Switch, Momentary
6A
Test Switch, Maintained Auto/Momentary Test
6A/P
Test Switch, Maintained/Momentary utilizing keypad
6B
Test Switch, Maintained - Auto /
Momentary - 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)
A4
Auxiliary Contact: Closed in normal (Source 1)
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.).
AB4
Auxiliary Contact: Closed in bypass normal (Source 1)
(S.P.D.T.).
BC
Battery charger
Calibrate
While monitoring the actual Phase to Phase voltage
levels 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
CDP
Clock Exerciser Load/ No Load: Allows the Generator to
start and run unloaded or to simulate a power failure, start
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
is 20minutes. When exerciser is impending, (*E*) appears in
Zenith Automatic Transfer Switch
|
new.abb.com/low-voltage
CTAP
Alarm Panel on transfer to Source 2 with Silence button.
Control Switch
Inhibits controller from transferring for
maintenance and troubleshooting
Maintenance Switch
Removes power from control circuit for
maintenance and troubleshooting
DT (Delayed Transition Only)
Time Delay from Neutral Switch position to Source 1 position.
Adjustable 1 sec - 10 minutes in 1 second increments. Standard
DW (Delayed Transition Only)
Time Delay from Neutral Switch position to Source 2 position.
Adjustable 1 sec - 10 minutes in 1 second increments. Standard
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.
Heater
Heater and Thermostat
K/P
Frequency Indication for S1 and S2
LN/P
Indicating LED lights:
L1/P Indicates Switch in Source 2 position.
L2/P Indicates Switch in Source 1 position.
L3/P Indicates Source 1 available
L4/P Indicates Source 2 available.
M2
Three Phase Amp Meter
M90
EPM 2000 Digital Power Monitor with Modbus port
M90A
Adds Pre-wiring for Enervista Viewpoint
Monitoring of M90. Accessory and ATS Status
using Modbus RS485 Serial Communications
32
Advertisement
Table of Contents
