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Z enith ZTS Series Accessory De nitions
6 P
Microprocessor activated test switch (Momentary)
6 A
Hardwired test switch (Maintained)
6 AP
Microprocessor activated test switch (Maintained)
6 B
Hardwired test switch (Maintained Auto - Momentary Test)
Key operated
6 C
Hardwired test switch (Maintained Auto - Maintained Test)
Key operated
A 1
Auxiliary Contact S.P.D.T. - Normal (Source 1) Failure
A 1 E
Auxiliary Contact S.P.D.T. - Emergency (Source 2) Failure
A 3
Auxiliary Contact - closed in emergency (Source 2) Additional
available (10 max.) on ZTS Series and need to be specified
A 4
Auxiliary Contact - closed in normal (Source 1) Additional available
(10 max.) on ZTS Series and need to be specified
AB 3
Auxiliary Contact - closed in bypass emergency (Source 2) ( S . P . D . T .)
(Standard up to 400A) Additional available (10 max.) on ZBTS
Series and need to be specified
AB 4
Auxiliary Contact - closed in bypass normal (Source 1) ( S . P . D . T .)
(Standard up to 400A) Additional available (10 max.) on ZBTS Series
and need to be specified
CALIBRATE
Microprocessor activated calibration feature
CDP
Programmable exerciser daily, 7/14/28/365 days user-selectable,
with or without load
CDT
Exerciser no load timer
CTAP
Chicago transfer alarm panel mounted in door of enclosure.
Includes 3 aux. contacts and fuse.
DS
Disconnect Switch. Disconnects source voltage to transfer power
panel.
DT (D ELAYED T RANSITION O NLY )
Time Delay from Neutral Switch position to Source 1 on retransfer
DW (D ELAYED T RANSITION O NLY )
Time Delay from Neutral Switch position to Source 2 on retransfer E
Engine Start Relay
ECM
Ethernet Communication Adapter. Requires MCM (Modbus) Accessory.
EL / P
Event log of last 16 events
F
Fan contact, closed when engine runs.
Z enith ZTS Series Accessory Group Matrix
Accessories
MSTD
MEXE
6P
A1
A1E
A3
A4
Calibrate
CDT
CDP
**DS
*DT
*DW
E
EL/P
K/P
L1
L2
L3
L4
*LNP
P1
Q2
Q3
Q7
R1-1
R1-3
R15
*R15D
R16
R50
S5P
S12P
S13P
T
2
T3/W3
U
2
UMD
VI
W
YEN
Standard Accessory included in the group package.
Optional Accessory not included but can be added to group package.
Optional Accessory. Can not be used with accessory having the same symbol.
N/A
Denotes an Accessory with 2 circuits as a standard.
2
2
Denotes an Accessory with 3 circuits as a standard.
3
* Delayed Transition Units Only.
** Optional for 40-400 Amp
Z enith ZTS Series Accessory De nitions
HT (1)(2)
Heater and Thermostat 208/240V (1) 380/600V (2) mounted and
interwired in enclosure. (requires larger enclosure for 40-200A)
K
Frequency Meter (Analog) - Door mounted
K / P
Frequency Indication on the controller
LNP
Center-off position LCD-Indicator
L 1
LED light indicates Switch in Source 2 position
L 2
LED light indicates Switch in Source 1 position
L 3
LED light indicates Source 1 available
L 4
LED light indicates Source 2 available
Group Packages
MCON
MSEN
MSPE
MPSG
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
(cont.)
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PB - 5066
3
3
2
2
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