Kenmore 57240 User Manual download pdf (Page 26)

VAC

Gas Control/Temperature Knob

Status

Light

Igniter

120°F

Mark

Temperatures shown are approximates and may vary.

128°F

138°F

147°F

160°F

IMPORTANT: Adjusting the thermostat past the 120°F bar on

the temperature dial will increase the risk of scald injury. Hot

water can produce first degree burns within:

Water

Temperature

°F

Time for 1st

Degree Burn

(Less Severe Burns)

Time for Permanent Burns

2nd & 3rd Degree

(Most Severe Burns)

110 (normal shower temp.)

116 (pain threshold)

116 35 minutes 45 minutes

122 1 minute 5 minutes

131 5 seconds 25 seconds

140 2 seconds 5 seconds

149 1 second 2 seconds

154 instantaneous 1 second

(U.S. Government Memorandum, C.P.S.C., Peter L. Armstrong, Sept. 15,1978)

FIGURE 27.

NOTE: During low demand periods when hot water is not

being used, a lower thermostat setting will reduce energy

losses and may satisfy your normal hot water needs. If hot

water use is expected to be more than normal, a higher

thermostat setting may be required to meet the increased

demand. When leaving your home for extended periods

(vacations, etc.) turn the temperature dial to its lowest

setting. This will maintain the water at low temperatures with

minimum energy losses and prevent the tank from freezing

during cold weather.

Operating the Temperature Control System

VAC

List of status codes are shown

at top of gas control valve/thermostat.

FIGURE 28

Water Temperature Adjustment

The water temperature setting can be adjusted from 55°F to

155°F. Turn the Gas Control/Temperature Knob to the desired

setting/temperature.

NOTE : Some models are certified for 180°F outlet

temperatures. See the Data Plate on the front of the water

heater for the maximum outlet temperature.

NOTE: The temperatures indicated are approximates. The

actual temperature of the heated water may vary.

Operating Modes and Settings

• Standard Mode - The controller adjusts the water heater to

maintain the temperature set by the user.

• The Vacation Setting (VAC) sets the controller at

approximately 55°F. This setting is recommended when

the water heater is not in use for a long period of time. This

effectively turns the controller temperature setting down to

a temperature that prevents the water in the water heater

from freezing while still conserving energy.

Status Light Code

Normal Flashes:

• 0 Flashes Indicates Control Off/Pilot Out.

• 1 Flash Indicates Normal Operation.

• A continuous light indicates that the gas control

valve/thermostat is shutting down.

Diagnostic Flashes:

If the water heater is not working look

for the following diagnostic flashes after lighting the pilot.

For more details see the “Status Light and Diagnostic Code

Troubleshooting Chart.”

2 Flashes Indicates Thermopile Voltage Low

4 Flashes Indicates Overheat Failure

5 Flashes Indicates Sensor Failure

7 Flashes Indicates Electronic Control Failure

8 Flashes See “Status Light and Diagnostic Code

Troubleshooting Chart.”

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