ETi 250 High Efficiency Pool and Spa Heater Installation and User’s Guide
10
OPERATOR CONTROL PANEL
Operation Instructions
Operation Instructions
Control Panel Description
LCD Display: The control panel LCD displays two
lines of text. During normal heater operation the current
pool or spa water temperature is shown on line 1 of
the display. The heater set point for the pool or spa is
shown on line 2 of the display. The display will turn off
after two (2) minutes of inactivity on the keypad. When
the display is off due to inactivity, pressing any button
will turn it back on.
POOL/SPA: Toggles between POOL and SPA mode:
Displays the selected pool or spa body of water
actual temperature and set point.
HEATER OFF: Press this button to put the heater into
IDLE/OFF mode. The LCD will display HEATER OFF.
UP Arrow Button: Increase heater temperature set point. Scroll through menu items and
change settings.
DOWN Arrow Button: Decrease heater temperature set point. Scroll through menu
items and change settings.
SELECT: Select current menu item or save menu item settings.
MENU/BACK: Enter menu items. Press Down to scroll through menu item. Press Menu/Back to return to main
screen.
HEATING (LED): Solid Red LED on indicates the heater currently heating. LED Off: Heater is not active. Note:
During the heater ignition process, this LED blinks. Note: See page 12 for Heating (LED) and Errors description.
Menu Navigation
1. Press MENU/BACK to display POOL MAX. Use the DOWN or UP button to scroll through each of the highlighted
menu items.
2. Press SELECT to access the highlighted item. Press UP/DOWN to change or view the highlighted item.
3. Press SELECT to save, exit the setting and return to the menu items. Note: To exit the menu without saving and
return to the main screen, press MENU/BACK two times.
Operating the Heater (Temperature Settings)
The heater temperature default settings are factory set at 70° F (21° C) for the pool mode and 95° F (35° C) for the
spa mode. Using the up and down arrows, you can set the thermostats to a minimum pool temperature of 65° F.
(18.3° C), or a maximum temperature of 104° F (40° C).
Heating the Pool or Spa (Press the HEATER OFF button to turn OFF the heater).
• Press POOL/SPA to select either Pool or Spa. The display shows the current set point and water temperature.
Press Up/Down to increase or decrease water set point temperature. If the current water temperature is below
the Set point water temperature, the heater will begin heating.
Temperature
Controls
Up/Down
LCD Temperature
Display
Menu/Back
Select
Buttons
Toggle
switch
displays
Heater/Off
Heater ON
Red LED
Indicator
Pool/Spa
Toggle Button
Figure 1. Heater Control Panel
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