41
Desert Aire - LC/LV Manual
3.6.2 Service Every Six Months
•
Check the blower belts for wear or glazing. Tighten or replace them if
necessary. Do not use the belt dressing compound.
•
Check and tighten all field and factory electrical connections.
•
Check for dirty coils in the dehumidifier and the optional remote condenser.
•
Check and clean the drain pans and blow out the condensate drain line. If the
drain is plugged, water will back up into the dehumidifier and flood the
mechanical
room.
•
Check and adjust the air flow per specifications. Dirty ducts, filters, and coils
may have reduced the total air volume.
•
Check the operating pressures of the refrigeration circuits.
•
Check the current draw of each blower motor.
•
Check the current draw of each compressor.
•
Lubricate the blower motor(s).
•
Lubricate the blower bearings.
FINA
SHELL
ESSO
MOBIL
Type
Marson HTL 3
Alvania Fett 3
Beacon 3
Mobilux EP3
Supplier
Base
Lithium
Lithium
Lithium
Lithium
Range temperature (min-max)
-30°C / +120°C
-20°C / +130°C
-20°C / +130°C
-30°C / +130°C
Figure 28 - Grease suggested brands and types
3.6.3 Pool Water Chemistry
Pool chemistry must be maintained to ensure the proper pH, total alkalinity, calcium
hardness and free chlorine. NSPI recommends the following levels for pool chemistry:
pH
7.4 – 7.6
Total Alkalinity
100 – 150 ppm
Calcium Hardness
200 – 250 ppm (Plaster Pool)
175 – 225 ppm (Vinyl or Painted Pool)
Free Chlorine
1.0 – 3.0 ppm