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2 GE Zenith Controls
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ZTX Operation and Maintenance Manual (62
R-2000)
Each GE Zenith transfer switch is factory wired and
tested. A complete information package is furnished
with each switch which includes:
a. Sequence of operation.
b. Description and operation of
all accessories supplied.
c. Power panel connection diagram
and schematic.
d. Description and identification of
all customer field connections.
Installation of GE Zenith transfer switches includes:
a. Mounting the transfer switch cabinet.
b. Connection of all Normal, Emergency,
and Load cables or bus bars.
c. Connection of external control
circuits as required.
Mounting
Adequate lifting means must be used to mount the transfer
switch into place. The recommended method for moving
the transfer switch using the lifting eyes, where supplied,
and a spreader bar is
illustrated here.
Enough room should
be allowed to open
the cabinet doors
fully for inspection
and servicing of the
switch per NEC and
local codes.
Installation
DANGER
HAZARDOUS VOLTAGE
(Can Cause Severe Injury or Death)
Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components.
The safe operation of your switch is GE
Zenith’s focus.
The proper storage, installation, operation and mainte-
nance will help increase the life of the switch.
Equipment Inspection
and Storage
Once you have received the transfer switch, inspect
it for any damage. This includes damage to the enclo-
sure, power panel, control panel and wiring harness. If
any damage is found or suspected, file a claim as soon as
possible with the carrier and notify the nearest
GE Zenith
representative.
Before installation, it is necessary to store the transfer
switch in a clean dry place, protected from dirt and
water. Provide ample air circulation and heat, if neces-
sary, to prevent condensation.
5% to 95%
(non-con-
densing)
-30°C to
+75°C
(-22°F to
+167°F)
-20°C to +65°C
(-4°F to +149°F)
Operating
Storage Temperature
Temperature (Ambient): Humidity
CAUTION
Due to hazardous voltage and current, GE Zenith rec-
ommends that a
GE Zenith Certified technician or a
qualified electrician must perform the
installation and maintenance of the switch.
Final Equipment Inspection
Prior to energizing the transfer switch:
1. Remove any debris incurred, with a vacuum,
due to shipment or installation.
WARNING
Do not use a blower since debris may
become lodged in the electrical and
mechanical components and cause damage.
NOTE: Lug torque values are specified
in the power panel manual.
5. Make sure that all covers and barriers are
installed and properly fastened.
NOTE: Power panels ship from GE Zenith
in the Normal Position.
CAUTION
Before drilling conduit entry holes or any
accessory mounting holes, cover and protect
the switch and control panel to prevent dirt
and metal fragments from entering the
mechanical and electrical components.
Failure to do so may result in
damage and malfunction of the switch.
D
CABINET
LIFTING EYES
SPREADER BAR
H
45°
NOTE: When lifting the switch using a spreader bar,
height H must be equal to half of distance D.
2. Verify that all cabled connections are correct.
3. Check engine start connections and verify
the correct connection of all control wires.
4. Check the lug torque values of the power
connections.