1
Introduction
12
Alpha Technologies
1.4.2: Automatic Transfer Switch
1
The line power and the loads are connected to this terminal block. The Ground and Neutral
are used for the ATS receptacle only. The terminal block neutral is rated at 15 Amps (Max).
2
The line power is connected to this end of the terminal block.
3
The load is connected to this end of the terminal block.
4
The optional Alpha Technologies LA–P surge suppressor is plugged into this connector.
5
The optional battery heater mat is plugged into this connector.
6
This cord is wired into the Novus 1800TP’s AC Output terminal blocks.
7
These two control wires are attached to the “ATS” portion of the Novus 1800TP’s Status/
Self Test terminal block (
TIP: They are color coded. See Section 2.2, Step 2
).
8
This cord is wired into the Novus 1800TP’s AC Input terminal block.
9
This circuit breaker provides input power protection for the Novus 1800TP.
10
This circuit breaker provides protection for the secondary outputs (4 and 5).
Figure 1.4.2
Automatic Transfer Switch Front Panel
OPTIONAL
BATTERY
HEATER
MAT
UPS OUT
BYPASS
CONTROL
(48 VDC)
UPS IN
UPS
INPUT
OUTPUT
RECEPT.
OPTIONAL
LA-P
IN
L
L
NEUT
GND
OUT
OFF
ON
I
0
9
8
10
TIP: Mount the
ATS as shown with
the top side up.
1
2
3
4
5
6
7
8
9
10
1.4
Automatic Transfer Switch (ATS) System (Continued)
