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LS
Series
4.0
Operation
•
Diagnostics
Operational Indicator Lights
Externally located operational indicator lights are provided to assist in troubleshooting of the heater. Refer
to pages 40-43 for additional troubleshooting.
Figure 4.1
•
Operational Indicator Lights
V
PS
PRESSURE
VALVE
SWITCH
Light 1
Light 2
Indicates valve
Indicates pressure
is energized
switches are closed
Operational Indicator Lights
39
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