YZ Systems NJEX 7300L, Инструкция и руководство по эксплуатации, Страница: 24 / 126

YZ Systems, Inc. • 3101 Pollok Drive • Conroe, Texas • USA • 77303 • P: 936.788.5593 • F: 936.788.5720
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NJEX 7300L ver.10012003
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ECTION ECTION ECTION ECTION ECTION
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2: S S
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Y YY Y YSTEM STEM STEM STEM STEM
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NST NST NST NST NSTALLA ALLA ALLA ALLA ALLATION TION TION TION TION
Skid System Connections
Required field connections to place the 7300L into
operation are as follows:
1. Connect the LPS120/240 power supply to a
source of AC power in accordance with explo-
sion-proof code via a termination junction box
(not shown) to be attached to the conduit
provided at the upper left side on the system
enclosure. The power requirement for 120VAC
will be 100 mA. The power requirement for
240VAC will be 50 mA. These power inputs must
be fused with a maximum of 15A, figure 15.
2. 120/240 VAC electricity should be connected to
the electrical inlet for thr heater located on the
lower side of the enclosure using 1/2" conduit and
appropriate pack off. Power requirements for the
heater are 1.67A for the 120VAC heater, and
.833A for the 240VAC heater. Each heater is a
thermostatically controlled 200Watt unit, figure 16,
refer to the heater wiring diagram, page 105 .
3. Connect the flow signal device to the termina-
tion block located in the system control enclo-
sure, figure 17,
refer to the Wiring Control
Document on page 116 in Appendix D .
3a. If used, connect the optional Inhibit Input signal
to the termination block located in the system
control enclosure, figure 17,
refer to the Wiring
Control Document on page 116 in Appendix D .
3b. If used, connect the RS-485 communication
wiring as required to the termination block
located in the system control enclosure, figure 17,
refer to the Wiring Control Document on page
116 in Appendix D
.
4. Connect the Load Input signal device to the
termination block located in the system control
enclosure, figure 17,
refer to the Wiring Control
Document on page 116 in Appendix D .
Figure 16
Figure 15
LPS120/240
Figure 17
O
PTIONAL
H
EATER
A.C. C
ONNECTION