IB01602046E
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Instruction Booklet
Effective: July 2010
Page
21
2-Position Contactor Based
Non-Automatic Transfer Switch
Figure 22. 100A, 3-Pole, Non-Automatic Transfer Switch Interior Components.
Step 3:
Turn the generator OFF at the generator control panel.
Step 4:
Apply Utility (Source 1) power. If the switch is properly
applied for system voltage and frequency, "Source-1
Available" light should turn ON. Using a voltmeter,
check for proper system voltage on Source 1. Voltage
measurements should be taken phase to phase and
phase to neutral. If the transfer switch is connected to
Source-2 (not connected to Source-1), there should not
be any voltage on load terminals.
Step 5:
Turn 2-position selector switch to "Source-1" position
and verify that "Source 1 ON" light should turn ON.
Step 6:
Turn the Utility (Source 1) power OFF.
Step 7:
Start the generator and apply generator (Source 2)
power. If the switch is properly applied for system volt-
age and frequency, "Source-2 Available" light should
turn ON. Using a voltmeter, check for proper system
voltage on Source 2. Voltage measurements should be
taken phase to phase and phase to neutral. If the trans-
fer switch is connected to Source-1 (not connected to
Source-2), there should not be any voltage on load ter-
minals.
Step 8:
Turn 2-position selector switch to "Source-2" position
and verify that "Source 2 ON" light should turn ON.
NORMAL
SOURCE
LOAD LUGS
NEUTRAL
CONNECTIONS
MANUAL
OPERATING
HANDLE
EMERGENCY
POWER SOURCE
POWER
POWER PANEL
TRANSFER
MECHANISM
VOLTAGE
SELECTION
PANEL