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Page 4
Step 5: Apply Utility (Normal) Power. If the switch is
properly applied for the system voltage ordered, the dis-
play should work and the Normal Source (Source 1)
Available LED should light (Figure 6). Using a voltmeter,
Figure 6 IQ Transfer Logic (Utility Supplying Load)
check for proper system voltage on the normal and load
terminals. Check all phases on a three-phase switch.
Voltage measurements should be taken phase to phase
and phase to neutral.
The following lights must be ON:
Source 1 Available
Source 1 Preferred
Source 1 Connected
Load Energized
Perform LED lamp test by depressing
and holding. All LED's should turn on.
If not, contact factory for replacement.
QS4500TE0001
Effective 6/01
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