Stulz CyberRow DX CRS-042-G, Инструкция по установке, эксплуатации и обслуживанию

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STULZ CyberRow DX Series Installation, Operation & Maintenance Manual
5-2
5.1.1.2 Cartridge Filters
Replaceable cartridge fi lters are held in
place by an end cap in the bottom of the
rear access panel. Lay the access panel
down on a piece of cardboard and remove
the four screws holding the end cap in
place. Remove the end cap and slide
the old fi lters out of the tray as shown in
Figure 20. Slide the new fi lters into the
tray and replace the end cap. Ensure the
four screws are fully tightened.
5.1.5 Condensate Pump
The condensate pump should be inspected semi-an-
nually and cleaned. It will be necessary to remove the
pump as described in Section 5.3.4.2.
Inspect the water level switch and ensure that the
fl oat works freely. Wipe the fl oat with a wet cloth and
detergent to remove dirt. Check that the discharge line
is open and water can pass through it freely.
5.1.6 A/C System
Check the refrigerant sight glass on a monthly basis
while the unit is running and ensure it is free of
bubbles. Bubbles in the sight glass indicate a low
refrigerant charge or a clogged fi lter-drier. Check
for humidity in the refrigerant by viewing the color
of the indicator in the center of the sight glass and
comparing it to the color scale on the outer ring. If
humidity is present, the system must be evacuated
and recharged.
Check the superheat and sub-cooling temperatures
semi-annually and ensure they are within the range
shown in the refrigerant pressure/temperature table
in Section 2.10.3. If necessary, adjust the refrigerant
charge to achieve the correct values. If the refrigerant
level is low, check the system for leaks.
5.1.2 EC Fans
Periodic checks of the EC fans should include
checking the wiring, fan motor mounts, housing and
impeller wheel. Ensure all electrical connections are
tight. Check that all mounting fasteners are secure
and the impeller wheel is tightly mounted. The
impeller blades must be kept free of debris.
5.1.3 Coil
The coil should be inspected semi-annually and
cleaned as required, following standard coil cleaning
practices. Using a brush, clean the coil fi ns of all
debris that will inhibit airfl ow. This can also be
done with compressed air or with a commercial coil
cleaner. Check for bent or damaged coil fi ns and
repair as necessary. Check all refrigerant lines and
capillaries for vibration isolation and support as
necessary. Check all piping for signs of leaks.
5.1.4 Drain Pans
To ensure proper drainage, inspect the drain pans
regularly. Make sure the drain pan outlets are always
free of debris so they empty readily and ensure the
drain pans do not leak.
WARNING
Do not use chloride based water conditioning
additives in the condensate drain pans. This
will cause corrosion to occur on the coil fi ns.
Figure 20- Cartridge Filters
Screws (4)
End Cap
Rear Access
Panel