Winterizing a MistAway Gen II (PRO-CAP or Smart Cap) Tankless Unit
1. Flush coupler, dosing pump and insecticide flow line first with clean water and then with air.
a. Thread PRO-CAP or Smart Cap onto a vented bottle filled with clean water.
b. Execute a Manual Charge to flush the dosing pump and line with clean water.
(MAINTENANCE Menu, INS, than hold down SELECT knob and the AUTO/ON/OFF button simultaneously for a period of 5 seconds.)
c. DOSE and a countdown will be displayed. The unit will run the dosing pump for an extended period, flushing insecticide out of the pump and line with clean water.
d. Remove PRO-CAP or Smart Cap from bottle and snap it by itself into Smart Coupler.
e. Execute another Manual Charge (same routine as above) to pump air through and evacuate fluid from insecticide flow line.
2. Flush batch tank, pump and agitation valve with clean water.
a. Drain the batch tank of dilute insecticide in accordance with label instructions and local regulations. (MAINTENANCE Menu, DRN, hold down SELECT knob for 5 seconds.) As the tank empties, lift the right front corner of the system slightly to evacuate as much fluid as possible from the mixing vessel.
b. Run Inspect to flush the batch tank and nozzle circuit (MAINTENANCE Menu, INS, hold down SELECT knob for 5 seconds.) If zone kit, run INS1 and INS2 to flush both nozzle circuits.
c. During the INSpect cycle, turn off valve at the faucet and disconnect the water supply tubing at the filter inlet.
d. Allow the unit to run until the batch tank is empty.
3. Evacuate remaining fluid from inlet water line and pump discharge line.
a. Disconnect nozzle circuit from unit.
b. Use the INSpect function to open the inlet supply and agitation valve. Unit will think it is trying to fill tank with water. (MAINTENANCE Menu, INS, hold down SELECT knob for 5 seconds.)
c. Lift right side of unit about 4” to let water run out of valve and flow meter.
4. Unplug unit, coil power cord and stow under unit.
5. Purge fluid remaining in nozzle circuit with compressed air.
a. Remove the tip from the last nozzle on the end of each run.
b. Use portable air compressor with adapter (MistAway Part # 20052) to purge fluid from nozzle circuit.