State SSED 5 thru SSED 120 - Manual (Page 15)

15
OPERATION
GENERAL
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location of components mentioned in the instructions that follow.
NEVER operate the heating elements without being certain the water
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is installed in the relief valve opening on top of the heater.
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the water level is below this point.
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permits the heater to be turned on and off without having to operate
the electrical disconnect switch.
Optional manual override switches on the cabinet front allow elements
to be manually de-energized if full capacity is not needed.
FILLING THE WATER HEATER
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1. Turn off the electrical disconnect switch.
2. Turn off pilot toggle switch.
3. Close the heater drain valve.
4. Open a nearby hot water faucet to allow the air in the system to escape.
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faucet. Leave the cold water inlet valve fully open. The heater is
now ready for start up and temperature regulation.
7. Close the cabinet door and perform start up checks listed below
before turning on the electricity.
INITIAL START UP
The following checks should be made by the installer when the water
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heater. Repair water leaks and tighten electrical connections
as necessary.
2. Turn on the electrical disconnect switch and pilot toggle switch.
The pilot toggle switch is located on cabinet.
3. Observe the operation of the electrical components during the
¿UVW KHDWLQJ F\FOH Use care as the electrical circuits are
energized.
Temperature control and contactor operation should be checked
by allowing heater to come up to temperature and shut off
automatically. USE CARE AS THE ELECTRICAL CIRCUITS ARE
ENERGIZED.
DRAINING THE WATER HEATER
The water heater must be drained if it is to be shut down and/
or exposed to freezing temperatures. Maintenance and service
procedures may also require draining the heater.
1. Turn off the electrical disconnect switch.
2. Turn off pilot toggle switch.
3. Open a nearby hot water faucet until the water is no longer hot.
4. Close the cold water inlet valve to heater.
5. Open drain valve.
6. If the heater is being drained for an extended shutdown, it is
suggested the drain valve be left open during this period.
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the list above.