AMABILIA DOUBLE O-RING GEOTHERMAL FLOW CENTERS DORFC-2 - Manual (Page 23)

Manual 2100-518B
Page 23 of 30
flushinG unit Only (alsO used
when rePlacinG unit, cOaXial
cOil, hOse kit Or PumP)
1. Connect unit to flow center.
2. Rotate 3-way valve to position shown in Figure 9C.
3. Remove access port caps and plugs and connect either
flush cart or Bard DORGHMT fitting (service only -
not intended for primary flush).
4. Attach garden hose to domestic water supply.
5. Purge air from garden hose before connecting to port
in flow center.
6. Attach another length of garden hose to the other port
in the flow center, leading to drain.
7. Flush flow center and unit with domestic water until
air is removed.
8. Close drain valve on discharge hose and pressurize
system to domestic water pressure (approx. 4-75
psig).
9. Remove bleed screw(s) from flow center pump
motors to purge air and replace screw(s).
10. Close valve on supply hose to trap pressure in the
system.
11. Rotate 3-way valves back to normal operating
position (see Figure 9D).
12. Remove water supply hose from flow center and
replace access port caps/plugs.
flushinG & charGinG (cOntinued)