Profax RFG-320H User Manual
Page 2
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.