Specifications

TM013 Vulcan Electric Service Instructions REV: D
D.O.I.: 05/09
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21
Water Too Hot
Explain to customer the reasons for
storing water hotter than they may desire
i.e.
1. When mixed with cold water more hot
water delivery is possible.
2. Prohibit bacteria growth.
Tempering devices should be suggested
as a solution.
YES
Remove the thermostat and clean
any scale from the cylinder wall.
Re-tension bracket and refit
thermostat.
NO
Refit element correctlyNO
Replace thermostatYES
Reset the ECO
YES
NO
Water too hot diagnostic
Does the temperature at the
hot tap correspond with or
near the thermostat setting?
Is the thermostat in good
contact with the cylinder?
Are the thermostat ECO
contacts closed?
ECO TEST 1
ECO TEST 2
Are the thermostat contacts
closed?
THERMOSTAT TEST 1
THERMOSTAT TEST 2
Is the element installed in the
correct orientation?
NO
YES
Replace thermostatYES
NO
Is a tempering valve
installed?
NO
Tempering valve faulty.
Clean filters or replace.
YES