Manual
10 49-50300-2  
Care and Cleaning
CARE AND CLEANING
Clearing the Condensation Drain Tube
Cleaning the Filter
In the Hybrid, Heat Pump, and High Demand/Boost modes, 
the water heater pulls air through the filter and out the back 
of the unit. The filter is in place to protect the evaporator 
from dirt and dust.
A clean air filter is important to get the highest efficiency. 
Occasionally this filter will need to be cleaned. When the 
filter requires cleaning, the Red light above the FILTER 
button will illuminate and an alarm will sound. 
NOTE: If the filter gets too dirty, the unit will automatically 
switch to Electric/Standard mode and energy savings will 
be lost.
Leave the power on. Remove the filter from the top of the 
unit. Squeeze two tabs and lift to remove the air filter. Once 
it has been removed, the filter can be vacuumed or wiped 
clean with a damp cloth or rinsed with warm water.
Once the filter has been cleaned and dried, it can be 
replaced by aligning it into the slots in the top of the unit and 
pushing it down into place. 
After the clean filter has been reinstalled, press and 
hold the FILTER button to reset the alarm. The unit will 
automatically revert to the previously selected operating 
mode. If a heating cycle is active when the filter alarm is 
reset, it will continue in Electric/Standard mode to finish the 
cycle, then automatically revert to the previously selected 
mode.
IMPORTANT: Filter must be cleaned when the alarm is 
displayed. A dirty filter will make the system work harder 
and result in a reduction of efficiency and possible damage 
to the system. In order to get the best energy efficiency 
available, make sure your filter is clean.
NOTE:  If the dirty filter alarm returns within a few days 
after cleaning and resetting, it may be an indication of a 
refrigerant leak. Further diagnosis by a service technician is 
necessary.
The main drain is intended to carry all condensate away. If 
it is clogged, the heat pump will stop operating, the display 
will show F20, and an alarm will sound. Press any button 
to silence the alarm, then clear the condensate drain by 
removing any drain lines and connections, and clearing 
debris. Reattach drain lines and connections, then allow 
the water heater to run. The GeoSpring water heater will 
continue to produce hot water using the backup resistance 
heating elements until the condensate drain has been 
cleared, and is able to drain properly. Once the drain has 
been cleared, the unit will then be able to operate the heat 
pump again.
Periodically inspect the drain lines and clear any debris that 
may have collected in the lines.
See Installation Instructions for more information.
Direct the main 
drain line into 
a drain
Filter
Slots
Tabs
Drain Line 
Connection
2YHUÀRZ










