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The pneumac regulator is pre-set to 50 ± 5 psig in the factory and does not need to be

adjusted. The pneumac regulator is shown in Figure: DP clean assembly for the pump

only systems, item 5 for the pump‑only systems. For pump and booster combinaon

systems, the regulator is contained within the pump enclosure.

To use an inert gas in place of atmospheric air as the DP clean purge gas, remove the air

lter and in its place connect up the inert gas supply. For pump and booster

combinaons, the air lter is on the rear pump panel (refer to Figure: The controls/

connectors on the rear of the pump (system with rear exhaust and castors/levelling feet

ed), item 12). For pump‑only systems, refer to Figure: DP clean assembly for the pump

only systems, item 1. Refer to DP clean high ow purge/solvent ush opon on page 27

for informaon about ngs and typical purge gas ows.

A solvent sucon pipe is provided with the pump. When only performing a high ow

purge procedure, the solvent sucon pipe will not be needed. When performing a

solvent ush, t the solvent sucon pipe only when ready to perform the DP clean

procedure. For pump and booster combinaons, the solvent ush uid connecon is on

the rear pump panel (refer to Figure: The controls/connectors on the rear of the pump

(system with rear exhaust and castors/levelling feet ed), item 11). For pump‑only

systems, refer to Figure: DP clean assembly for the pump only systems, item 2.

A PDT is required to operate the DP clean high ow purge and solvent ush.

Figure 13 DP clean assembly for the pump only systems

1. Air lter 2. DP clean solvent ush uid connecon

3. Inlet spool 4. Pneumac valve inlet connecon

5. Pneumac regulator 6. Oponal connecon to the pneumac

valve sensor

7. Pneumac valve 8. Pneumac valve electrical connecon

1. Air lter 2. DP clean solvent ush uid connecon

3. Inlet spool 4. Pneumac valve inlet connecon

5. Pneumac regulator 6. Oponal connecon to the pneumac

valve sensor

7. Pneumac valve 8. Pneumac valve electrical connecon

Page 52

M58800880_H - Installaon

Edwards GXS Series User Manual

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