1. Flush misting unit components and nozzle circuit with fresh water using a 5 gallon bucket.
✓ If unit has a nozzle circuit filter, bypass it by connecting nozzle circuit tubing directly to misting unit.
Set filter aside until Step 4.
✓ Loosen locking ring and position lid/assembly to access pump intake filter. Remove, clean and
replace filter.
✓ Fill 5 gallon bucket with fresh water and position next to unit.
✓ Lift drum lid/assembly up and out of drum and carefully rest it on the edge of the drum so that pump
intake line and agitation j-tube are submerged in 5 gallon bucket.
✓ Program a 180 second (3 minute) manual mist - SET-UP/MAN. If unit has agitation, program a 20
second agitation cycle - SET-UP/AGT. If unit has zone kit, program to manual mist in both zones -
SET-UP/MNZ 1-2.
✓ Run a manual mist (3 minutes on each zone), flushing the pump, agitation valve, leak detection flow
meter and nozzle circuit with fresh water.
2. Run a dry manual mist and lift left side of unit to clear remaining water.
✓ Disconnect nozzle circuit from unit.
✓ Remove intake line and agitation j-tube from 5 gallon bucket
✓ Run a dry (suction line not in any fluid) manual mist for one minute.
✓ IMPORTANT!! While unit is running dry, lift left side of unit about 6 inches to clear water from
agitation valve.
✓ Reposition drum lid and assembly back onto drum.
If the unit has a zone kit, clear captive water with air compressor. Use compressor adapter
(Part# 20052).
✓ Disconnect all tubing from the zone kit.
✓ Insert a short length of ¼" tubing connected to compressor adapter into port on zone valve marked
"IN."
✓ Connect adapter to compressor hose and clear Zone 1. Leave tubing and adapter in "IN" port.
✓ Disconnect motor cable from back of controller so you can run the system without pumping fluid.
✓ Run Inspect for Zone 2 to open valve (without pumping). – MAINTENANCE/INS2.
✓ After INS2 starts, connect adapter to compressor hose and clear Zone 2. Press STOP button.
✓
Reconnect motor cable to controller.
Gen 1.3 Drum Unit - Winterization Checklist
Gen 1.3 Drum Misting Unit – Winterization Checklist
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