Programming - Fetco HWB-2 User Manual

• To enter Programming mode, first turn the main power switch OFF.
• Press and hold the UP button while turning the main power switch ON.
• Release the UP button as soon as the software version is displayed.
• Press the DOWN button to advance
to the first setting – Water Temperature.
• Press the UP button to adjust the value of the setting. After the maximum value has been reached, the value will
loop back to the beginning of the range. The DOWN button cannot be used to decrease the value.
• Continue to use the DOWN button to go to the next address and the UP button to change the value until all
settings are programmed.
• To exit Programming and save changes, press and hold the DOWN button for approximately 2 seconds.
• The POWER switch may be used to exit programming without saving new settings.
Address Name
7
Water Temp. (°F)
10 Enter Advanced
Settings
50 Water Resistance
(KΩ)
51 Water Level
Sensitivity
55 Tank Temperature
57 Reload Defaults
58 Temperature Scale
60 Fill Duty Cycle

Programming

Example:
Range Default
176°F - 204°F 201°F
On / Off Off
0 - 200
LO - HI LO
XXX°X
0 - 1 0
F or C F
5 – 50% 15%
5
VER 0.7B (actual version may vary)
7 201 F
Comment
Temperature inside tank. To display in ° Celsius,
see # 58 in Advanced Settings.
OFF = Skip Advanced Settings and go back
to 7 – Water Temperature.
ON = Enter Advanced Settings.
Displays the electrical resistance of the water in
kilohms as measured between the water level
probe and the tank.
LO – 50 KΩ +/- 5KΩ
HI – 130 KΩ +/- 5KΩ
If water resistance (address 50) is greater than
25 KΩ, set on HI to prevent unwanted filling of the
tank.
Displays current tank temperature in °F or °C.
Changes all settings to default factory settings.
0 = Do not reload defaults
1 = Reload all default settings
If 1 is selected, you must advance to the next
address for this change to take effect.
F = Fahrenheit C = Celsius
This setting controls how fast the tank fills with
cold water. It is designed to ensure that water
dispensed from the faucet will be at the correct
temperature. For a full explanation, see the
Operating Instructions section.