Bard QW3S1 Installation Guide download pdf (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 ow center.

2. Rotate 3-way valve to position shown in Figure 9C.

3. Remove access port caps and plugs and connect either

ush cart or Bard DORGHMT tting (service only -

not intended for primary ush).

4. Attach garden hose to domestic water supply.

5. Purge air from garden hose before connecting to port

in ow center.

6. Attach another length of garden hose to the other port

in the ow center, leading to drain.

7. Flush ow 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 ow 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 ow center and

replace access port caps/plugs.

FLUSHING & CHARGING (CONTINUED)

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Bard QW3S1 Installation Guide Page 23