Hubbell Electric Heater Company HE Benutzerhandbuch
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4. Inspect ceiling supports for tightness and/or damage.
5. Check for loose electrical connections. Tighten as necessary.
ANNUAL INSPECTION
1. Flush tank as follows
ANNUAL INSPECTION
1. Flush tank as follows
a. Shut off power supply.
b. Close valve on hot water outlet piping.
c. Open valve on drain piping.
d. Cold water inlet line pressure will be strong enough to flush sediment from the bottom of the
b. Close valve on hot water outlet piping.
c. Open valve on drain piping.
d. Cold water inlet line pressure will be strong enough to flush sediment from the bottom of the
tank out through the drain. Let water run for 3-4 minutes.
e. Close drain valve.
f. Open hot water valve.
g. Turn power supply ON.
f. Open hot water valve.
g. Turn power supply ON.