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Profax RFG-320H User Manual

Page 2

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CAUTION

No maintenance or repair should be undertaken or attempted by anyone not having proper qualifications.

It is recommended that defective parts be replaced with a replacement par t manufactured or sold by PROFAX. Repairs with non-PROFAX parts may pose a
potential shock hazard.

IV

. SERVICE

GENERAL

4.1

SERVICE PROCEDURE
A unit which is not functioning properly should not be used until all required repairs have been completed and the unit has been tested to ascertain that it is in
proper operating condition.

Gas equipment improperly operated or maintained can be hazardous.

IMPORTANT

Checking or repair of this equipment limited to replacement of non-pressurized external parts such as electrical components, may ordinarily be
undertaken by a competent individual having experience in the maintenance and repair of equipment of this nature. No such checking or repair should
ever be undertaken or attempted by anyone not having such qualifications.

4.2

TROUBLE INDICATIONS

Typical symptoms in the accompanying table indicate Regulator malfunctions requiring repair. Replace immediately with a clean, repaired and tested, or new
Regulator.

SYMPTOM
1. With no flow through the system (downstream valves closed and cylinder
valve open) working pressure increasing steadily above set pressure.

2. Gas leakage from spring case.

GAUGE
3. Gas Leakage
4. No return to zero.
5. Inconsistent repeat reading.

6. Gas leakage from any joint.

7. Excessive drop in working pressure or flow.

8. Gas leakage from relief valve.

9. Inadequate heat.

Leak across the seat.
Field repair not advised.

Loose or damaged diaphragm.
Field repair not advised.

Damaged gauge.
Have replaced by authorized repair technician.

Damaged or loose connection (fittings, gauges, or spring case)
Have repaired by authorized repair technician.

Worn or sticking internal parts.
Filed repair not advised.

Cylinder or upstream valve not fully opened.
open valve.

Faulty valve.
Field repair not advised.

Seat Leak.
Field repair not advised.

Heater burned out.
Have repaired by authorized repair technician.

Faulty thermostat(s).
Have repaired by authorized repair technician.

Lack of power.

ACTION

TROUBLE SHOOTING

SPECIFICATIONS

Inlet Pressure:

3000 PSI Max

Outlet Pressure (PSI):

0 - 123

Outlet Flow (CFH):

0 - 135

Thermostatic Control:

95 to 120°F

Ambient Temperature Range:

-40° to 140°F

Current Draw (115VAC):

1.5A

Current Draw (220VAC):

.75A

Element Wattage:

175W

Sintered Bronze Inlet Filter:

Yes

Inlet Fitting:

CGA320

Outlet Fitting:

5/8 - 18 RH Female

Can be used with ARGON and Argon/CO2 Mixes by using a CGA580-320 adapter.