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INS-500 & INS-1000 • 5403645 • REV A • 6/17
1. Isolate the nitrogen generator from the sprinkler system and relieve pressure.
2. Disconnect the power to the nitrogen generator using lockout-tagout procedure.
3. Disconnect wires in junction box on the air compressor.
4.
Loosen flex hose and fittings on compressor discharge.
5.
Remove flex hose from compressor discharge.
6.
Remove conduit fittings from junction box.
7. Remove bolts holding compressor to tank.
8. Install new air compressor. Torque bolts to 20 ft/lbs.
9. Verify wiring in motor junction box corresponds to the input voltage.
10. Turn power back on to the generator. If Three Phase model, verify correct rotation.
11. Check for leaks.
1. Isolate the nitrogen generator from the sprinkler system and relieve pressure.
2. Disconnect the power to the nitrogen generator using lockout-tagout procedure.
3. Remove the top tube to the nitrogen membrane.
4. Remove the bottom tube to the nitrogen membrane.
5. Loosen the clamps holding the nitrogen membrane in place.
6.
Remove push to connect fittings on old membrane and reinstall on new membrane.
7. Replace the old nitrogen membrane with the new nitrogen membrane. Check to ensure inlet and outlet on the membrane are
in correct orientation.
8. Tighten the clamps down.
9. Reattach both the top and bottom tube to the nitrogen membrane.
10. Turn on power to the nitrogen generator.
11. Retest nitrogen purity.
Air Compressor Replacement
Nitrogen Membrane Replacement
