Emerson 381333234 E User Manual
Operator’s
Automatic Transfer Switching Equipment
Manual
D–desi gn 30 through 230 ampere s
DANGER is used in this manual to warn of a
hazard situation which, if not avoided, will result
in death or serious injury .
WARNING is used in this manual to warn of a
hazardous situation which, if not avoided, could
result in death or serious injury.
Series 200
Note: Refer to the outli n e and wiring drawings
provided with your Series 200 ATSE for all
installation and connection details and accessories.
Nameplate / rating Label
The Series 200 A utomatic Transfer Switching Equipment
(ATSE) contains a nameplate / rating label which includes
data for that specific ATSE. It defines the loads and fault
circuit withstand/closing ratings. Refer to the labels on the
Trans fer Switc h in g devic e for specific values and use the
ATSE only within their limits.
CAUTION is used in this manual to warn of a
hazardous situation which, if not avoided, could
result in minor or moderate injury.
An experienced licensed electrician should install the
ATS E .
Do not exceed the values on the rating label.
Exceeding the rating can cause person injury or
serious equipment damage.
TABLE OF CONTENTS
section
INSTALLATION 1.........................
SEQUENCE OF OPERATION 2............
TESTING & SERVICE 3...................
ADJUSTMENTS 4........................
CONTROL FEATURES 5..................
INDEX back of manual....................
50 Hanover Road, Florham Park, New Jersey 07932–1591 USA
For sales or service call 1 800 800–2726 (ASCO) www.ascopower.com
381333–234 E
A typical Catalog Number is shown below with its elements explained:
Catalog Number Identification
Typical D–design Series 200 ATS catalog no. for a solid neutral, 3 pole, 100 amp, 400 V, open type:
design
prefix
letter
D
Neutral
A –solid
B – switching
200
Phase Poles
2 –singleØ
3 –threeØ
C – overlapping
blank – none
* 200 & 230 A are limited to 480 volts
A 3 100 J 5X
Amperes Voltage Controller
30
70
100
150
200 *
230 *
C 208
D 220
E 230
F 240
G 277
H 380
J 400
K 415
L 440
M 460
N 480
5 –standard
5X –if
accessories
ordered
SECTION 1 INSTALLATION
The ASCO Series 200 automatic transfer switching
equipment (A TSE) consists of a transfer switching device,
monitoring and transfer control device (controller), and
membrane controls (for door mounting). The ATSE is
factory tested. Installation requires mounting the devices
into an appropriate size enclosur e and connection of
power conductors, engine start signal wires, and auxiliary
circuits.
Mounting
The Outline and Mounting Diagram furnished with the
ATSE show s all mounting details and instructions.
NOTICE
Protect the automatic transfer switching
equipment from construction grit and metal chips
to prevent malfunction or shortened life of the
transfer switching device.
Mount the transfer switch vertically in the back of the
enclosure as shown on the Outline and Mounting
Diagram provided. Level all mounting points of t he
rigid supporting structure by using flat washers behind
the holes to avoid forced distortion of the transfer
switch.
Mount the membrane controls and the controller on the
inside of the enclosure door as shown on the Outline
and Mounting Diagram provided. The membrane
controls must be accessible through a cutout in the
door. Connect the membrane controls to the right side
of the controller with the ribbon cable provided. Then
connect the transfer switching device harness plugs to
the left side of the controller. See Figures 1–1 and 1–2.
membrane
controls
ribbon
cable
controller
enclosure
door
controller
must be within a
steel enclosure
Figure 1-1. Membrane controls and controller mount-
ing on inside of enclosure door. Refer to
Outline & Mounting Diagram for mounting hardware.
gasket
cut out in
enclosure
door
An add-on rail is provided for some optional accessories. If provided, mounted it below the controller. Then
make the connections shown on the Wiring Diagram.
Grounding
Grounding (earthing) is accomplished by mounting the
automatic transfer switching equipment in a metal
enclosure. Connect the control panel grounding wire
(lower left side) to equipment (enclosure or clean earth)
ground. This wire can be connected to the controller’s
lower left mounting stud. Because the controller is
mounted on a door, a conductive strap must be used
between the enclosure and the door. This connection
provides proper grounding which does not rely upon the
door hinges. See Figure 1–3.
Figure 1-2. Membrane controls with gasket
suitable for IP65 enclosure.
2 plugs for
transfer
switching
device
harness
ground
wire
mounting
stud
Figure 1-3. Controller grounding (clean earth)
wire and other connections.
ribbon cable
to membrane
controls
connections
for control
features &
options
NOTICE
The controller must be grounded for proper
operation.
1-- 1
INSTALLATION (continued)
NOTICE
De–energize the conductors before making
any line or auxiliary circuitry connections.
Be sure that Normal and Emergency line
connections are in proper phase rotation.
Place engine generator starting control in the
OFF position. Make sure engine generator is not
in operation.
Power connections
A Wiring Diagram is furnished with the Series 200
ATSE. All wiring must be made in accordance with the
local codes.
Do not run cables in front of the transfer switching
device. Conductors can be bundled on the right side of
the transfer switching device. Maintain proper electrical
clearance between the live metal parts and grounded
metal: 13 mm minimum.
It is not necessary to remove the barriers from the
transfer switching device to install the conductors. If
you do remove them, however, be sure to reinstall the
barriers carefully.
Connect main source and load conductors to clearly
marked power terminals on the transfer switching
device. Be careful when stripping insulation from the
conductors; avoid nicking or ringing the conductor.
Remove surface oxides from conductors by cleaning
with a wire brush. Follow conductor manufacturer’s
instructions when aluminum conductor is used. Apply
joint compound to conductor, then carefully wipe away
excess compound. Tighten the terminals to the torque
specified on the label on the transfer switching device.
Three conductor spacers must be located as
shown for 150, 200, and 230 ampere transfer
switching devices.
conductor spacers
38 mm approximate
conductor spacer
Figure 1-4. Required conductor spacers for
150, 200, & 230 amp transfer switching devices.
Engine Starting Contacts
The engine control contact connections (if used) are
located on the transfer switching device. Connect signal
wires to appropriate terminals as specified in Table A
and shown in Figure 1–5.
Table A. Engine start connections
When normal
source fails
contact closes TB1 and TB2
contact opens TB1 and TB3
Te r m i na l s o n
transfer switching device
Three conductor spacers are included with 150, 200,
and 230 ampere transfer switching devices. When
installing power conductors, run them through the
conductor spacers as shown in Figure 1–4. Position the
spacers within 38 mm o f the power terminals.
ENGINE STARTING CONTACTS
( SHOWN DE–ENERGIZED )
TOP
STUD
MIDDLE
STUD
BOTTOM
STUD
1
TS
2
NR
3
NR
TB 1
TB 3
TB 2
Figure 1-5. Engine starting contact label and
location on left side of transfer switching device.
Interconnecting harness
Connect the plug–in harness (two plugs) from the
transfer switching device to left side of the controller, if
not already connected.
Auxiliary Circuits
Connect auxiliary circuit wires (if necessary) to
appropriate terminals by referring to the Wiring
Diagram.
1-- 2
Functional Test
INSTALLATION (continued)
The Functional Test consists of three checks: manual
operation, voltage checks, and electrical operation.
NOTICE
Do these checks in the order presented to avoid
damaging the automatic transfer switching
equipment.
Read all instructions on the Wiring Diagrams and labels
affixed to the ATS. Note the control features that are
provided and review their operation before proceeding .
1 – Manual Operation
A detachable manual operator handle is provided on the
Transfer Switching device for maintenance purposes only.
Manual operation of the transfer switching device must
be checked before it is operated electrically.
Do not manually operate the transfer switching
device until both power sources are
disconnected: open both circuit breakers.
Position of the transfer switch is indicated here
weight marked N (normal)
and E (emergency)
maintenance
handle
weight
floating
weight
With ALL POWER OFF grasp
maintenance handle and turn it
quickly with your thumb and fingers.
1. After deenergizing both power sources, open the
enclosure door. Locateandthemaintenance
handle on the left side of the transfer switching
device. See Figure 1–6.
2. Grasp the attached maintenance handle and turn it
with thumb and fingers as shown to manually
operate it . The maintenance handle turns the
opposite direction of the weight. Turn it up o r down
as shown to manually operate the transfer switching
device. It should o perate smoothly wit hout any
binding. If it does not, check for shipping damage
or construction debris.
3. Return the transfer switching device to the N
(normal) position.
Now continue to 2–VoltageCheckson next page.
Figure 1-6. Maintenance handle and positions.
1-- 3
INSTALLATION (continued)
Figure 1–7. Standard controls and indicators.
observe these lights
2–VoltageChecks
First check nameplate on transfer switching device;
rated voltage must be the same as normal and
emergency line voltages.
Use extreme caution when using a meter to
measure voltages in the following steps.
Do not touch power terminals; shock, burns, or
death could result !
Perform steps 1 through 6 at the right. Observe the status
lights. See Figure 1–7.
O Black circle means light is on.
P White circle means light is off.
* If necessary, adjust voltage regulator on the generator
according to the manufacturer’s recommendations. The
Automatic Transfer S witching Equipment will respond
only to the rated voltage specified on the Transfer
Switching device nameplate.
Also see page 4–1 for the HI–LOW voltage adjust
setting in the controller. The LOW setting shifts all
voltage settings down 4.2%; for example, 240 V to 230
V.
Close the normal source circuit
breaker. The Normal T ransfer
Switch Position and the Normal
1
Source Accepted lights should
come on.
Use an accurate voltmeter to
check phase to phase and
phase to neutral voltages pres-
2
entatthetransferswitchingdevice normal source terminals.
Close the emergency source
circuit breaker. (Start generator,
if necessary.) The Emergency
3
Source Accepted light should
come on.
Use an accurate voltmeter to
check phase to phase and
phase to neutral voltages pres-
4
entatthetransferswitchingdevice emergency source terminals.*
Useaphaserotationmeterto
check phase rotation of emer-
5
gency source; it must be the
same
as the normal source.
Source Accepted
Normal
Emergency
Source Accepted
Normal
Emergency
W
V
U
1-- 4
Shut down the engine–generator , if applicable. The Emergen-
cy Source Accepted light should
go off. Then put the starting
6
control selector switch (on the
Source Accepted
Normal
Emergency
generator set) in the automatic
position. Close enclosure door.
Now continue to 3 – Electrical Operation on next page.
Loading...