Mitsubishi Electric M Serie Manuel D'installation page 20

10. Air filter
A washable (reusable) air filter is provided with
the air handler unit. The filter can be installed
once the unit has been removed from its packag-
ing. It is recommended the air filter be cleaned
once per month. The pressure drop is to be de-
termined by the installing contractor based on
the overall static pressure performance of the
system including supply and return ductwork siz-
ing. The factory static pressure performance is
0.50" esp. A field selectable 0.30 and 0.80 esp.
is available. See instructions for changing to 0.30
or 0.80 esp in the electrical section (13.4).
11. Refrigerant piping work
For constraints on piping length and allowable differ-
ence of elevation, refer to the design section of the
engineering manual.
The method of pipe connection on the air handler is
flare connection.
Provide proper bracing for refrigerant piping so no
load is imparted upon the connections at the air
handler.
WARNING
When installing and moving the unit, do not
charge it with refrigerant other than the refriger-
ant specified on the unit. Mixing of a different re-
Specifications are subject to change without notice.
SVZ-KP12, 18, 24, 30, 36NA
Filter
frigerant, air, etc. may cause the refrigerant cycle
to malfunction and result in severe damage.
CAUTION
Use refrigerant piping made of C1220 (Cu-DHP)
phosphorous deoxidized copper as specified in
ASTM B280 Standard for copper and copper al-
loy seamless pipes and tubes. In addition, be
sure that the inner and outer surfaces of the
pipes are clean and free of hazardous sulfur, ox-
ides, dust/dirt, shaving particles, oils, moisture, or
any other contaminant. Never use existing refrig-
erant piping.
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