Problem
(continued)
B. After normal use . . .
4. No water running over the
pads . . .
5. Scale build-up on cooling pads.
Cause
(continued)
Water quality – check your immediate
environment.
Water supply off at main valve source.
Pump switch is off.
Water filter may be clogged.
Hard water with excessive mineral content.
Solution
(continued)
Water should be drained about once a month or
sooner depending on your specific working
environment – the water quality and conditions.
Open water valve at supply. You may wish to
keep this valve open at all times.
Turn pump switch on.
Remove the cooling pads see section 7.2. Open
back of unit – open water filter – pull out filter
screen and clean. Replace and try again.
Use Evapo-O-Matic Tablet or add a Water
Stabilizer at the discharge side of the pump.
Flush water from unit’s water reservoir more
frequently.
See section 7.4.
8.0 Storage
Remove pads as described above in 7.2 and rinse pads clean with fresh water. Dry cooling pads in sunlight. Drain water
reservoir completely and wipe dry. Replace dry cooling pads in proper position. Replace top angle bar to hold pads in place.
Store MaxxAir in dry, clean area and cover to prevent dust build up to have unit ready for the next hot season.
9.0 Wiring Diagrams for 18” unit
