Entelli-Switch 250 Controller
Entelli-Switch 250 Controller
Consists of two major assemblies:
I. The Microprocessor contains the following: | I/O Interface |
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A. |
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and Output (I/O) for system interface. Located |
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on the left hand side of the back of the unit |
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(see figure 6) |
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1.I/O accessories that can be found here are:
a.Engine start relay P output
b.
c.Transfer Inhibit Q3 and Q7 input (optional)
d.Remote test Q2 input (optional)
e.Network interface ZNET input/output (optional)
B.LCD and Keypad located on the exterior of the door (see figure 7)
1.User accessibility to the following:
a.LED indication of source availability
b.LED indication of transfer switch position
c.LCD screen indicates:
(1)timer count down (numeric)
(2)event reporting (text)
d.Keypad provides user interface to: [in conjunction with LCD screen]
(1)Setting sensors and timers
(2)Configuring logic accessories
II.The R/T box (relay transformer box) contains the following: (see figure 6)
A.Relays which are required for controller output
to energize the transferring mechanism of the transfer switch at line voltage.
B.Transformers which drop line voltage to control level for controller input.
Engine Start Relay P
Board
Battery Strip
and
Access
Code Label
R/T Box
Figure 6
S 1 O K
2 1 : 5 6
M O N 2 3 A P R 2 0 0 2
M O R E T E S T
Figure 7
■ GE Zenith Controls | 7 ■ |
