GE Industrial Solutions ZBTSCTH SERIES 100 - 4000 AMPS - Manual (Page 4)

ZBTSCTH Operation and Maintenance Manual (46R-7000) 2 Zenith Controls, Inc.
SECTION I - 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.
!
DANGER !
Closed transition transfer switches typically
require momentary paralleling of utility and
generator sources. The customer should
obtain approval from their utility before using
a closed transition transfer switch.
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 necessary, to prevent condensation.
Storage Temperature:
-30 C to + 65 C (-22 F to +149 F)
Operating Temperature (Ambient):
-20 C to +75 C (-4 F to +167 F) [40-260 Amps]
-20 C to +40 C (-4 F to +104 F) [400-3000 Amps]
Humidity:
5% to 95% (non-condensing)
3. 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 and a spreader bar is illustrated in
Figure 1. Enough room should be allowed to
open the cabinet doors fully for inspection and
servicing of the switch per NEC and local codes.
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.
The following requirements must be met to use a
closed transition transfer switch:
a. Isochronous governor with a frequency
range of 60 ± 0.2 Hz.
b. Shunt trip breaker on the genset with
a response time not exceeding 50
milliseconds.
2. EQUIPMENT INSPECTION AND
STORAGE
Immediately inspect the transfer switch when
received to detect any damage which may have
occurred during transit. If damage is found or
suspected, file claims as soon as possible with
the carrier and notify the nearest Zenith
representative.
Each 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 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.
1. REQUIREMENTS
D CABINET
LIFTING EYES
SPREADER BAR
H
45°
Figure 1
NOTICE
When lifting the switch using a spreader bar,
height H must be equal to half of distance D.
!