Sanden
Heat
Pump
–
Owner’s
Manual
Page
9
of
16
Cleaning
the
inlet
filter
1. Remove end cover from the Heating Unit to expose inlet/outlet connections
2. Turn off inlet water (tap to inlet or at main supply)
3. Remove filter plug by unscrewing knurled knob anti-clockwise
4. Clean filter by washing (do not pry anything loose)
5. Replace filter plug (insert & screw clockwise)
6. Turn inlet water on & check to ensure no leak around filter
7. Replace the inside cover and the end cover
Do NOT attempt to open the system for any reason; such action will nullify the
warranty
.
If any other fault occurs or is recognised, you must contact your supplier for a service call
and repair.
Removing
air
from
the
system
Air Removing Process
Caution
Hot water may come out. Be careful not to get the hands burnt.
Water
drain
plugs
Open the water drain plugs (2 places) on the
Heat Pump Unit.
Close the plugs after no air is confirmed in the
water.
Supply the power to the Heat Pump Unit and
leave the water tap open for 3 minutes.
Close the tap after no air is confirmed in the
water.
