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18
INS-1500 & INS-2000 • 5403646 • REV F • 04/19
CAUTION
Losing power to the air tank blow-down can cause moisture build up in the air tank and flooding of the nitrogen membrane.
Air Tank Blow-Down Located on the Bottom of the Tank Mounted Air Compressor (120V)
Nitrogen Cabinet (120V)
1. Run a 120V dedicated electrical circuit with an electrical disconnect switch to the sprinkler room.
2. To wire the INS-1500 or INS-2000 open the front panel at the top of the nitrogen cabinet to access the wiring terminal blocks.
Use any of the ½” or ¾” knockouts on the upper part of the cabinet (away from low voltage components). See Fig 22.
1. Locate the air tank blow-down on the bottom of the air tank. See Fig 21.
Fig. 22
Fig. 21
Nitrogen Cabinet Power
Terminal Blocks (120 VAC)
Knockouts
2. Using the provided 10' of 120V cord, plug the blow-down into a dedicated wall outlet.
3. Ensure the power LED is lit on the air tank blow-down.
4. The blow-down timer should be set for 3 ON/sec and 5 OFF/min.
3. Follow the wiring diagram in this manual on page 48, or use the wiring diagram on the inside of the nitrogen generator
cabinet.
TEST
Air Tank Blow-down