Safety Controls - American Standard HPWH50G-AS Owners And Operation Manual

WARNING

SAFETY CONTROLS

The water heater is equipped with two temperature-limiting controls (TCO and TOD) that are located above the
heating element in contact with the tank surface. If for any reason the temperature becomes excessively high, the tem-
perature-limiting control (TCO or TOD) breaks the power circuit to the heating element. Once the control opens, it
must be reset manually. A qualified service technician should reset the temperature limiting controls.
CAUTION
READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY. SAVE THESE INSTRUCTIONS.
CONTROLS
1 Display
Up
2
Use up arrow to increase value or turn page up
3
Power Indicator Light
An illuminated display light indicates that the unit is operating, no light displayed means that the unit has stopped
operating, and a flashing display light means that the unit is in error or under protection.
4 Power
For starting or shutting down the unit, please note; when the unit is stand-by, the power function can still be
utilized.
5 Vacation
Use this button during times of no water usage, such as vacation for an extended period of time.
Down
6
Use Down arrow to decrease the value or turn page down.
7 Enter
To confirm or unlock the key. After changing the set point temperature through keys, consumer needs to press
this key within 10 seconds to confirm, or else the set point temperature can not change. When the panel is
locked, consumer can press this key for 3 seconds to deactivate the lock.
8
Mode
Used to select operating mode, auto mode, economic mode & electric mode.
If the water heater has been subjected to flood, fire, or physical damage, turn off power
and water supplies to the water heater.
Do not operate the water heater again until it has been thoroughly inspected by a
qualified service technician.
A qualified service technician must investigate the cause of the high temperature
condition and corrective action must be taken before placing water heater in
service again.
To reset the temperature-limiting control:
1.Turn off the power to the water heater.
2.Remove the jacket access panel(s) and insulation.
The thermostat protective cover should not be removed.
3.Press the red RESET button.
4.Replace the insulation and jacket access panel(s) before turning on the power to
the water heater.
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