MDV MFS2i-24ARN1, Руководство по обслуживанию

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Notes for the bendable pipe
a. The bendable pipe should be used on the indoor side;
b. Bend angel may not exceed 90 degrees;
c. The bend location should be made on the center of the pipe if possible, as for bend
radius, the bigger the better;
d. The bendable pipe may not be bent for more than 3 times.
Bend the thin pipe
a. While bending, expose the pipe by cutting the concave gap on the bending
heat-insulation pipe(roll it with soft band after bent).
b. To avoid pipe deformation, the radius is the bigger the better.
c. Use a pipe-bending device to make the compact bending pipe.
5.3.2.2 Using bronze pipe selling in market
Completely shut the cut-off valves of the outdoor unit (as ex-work status). After the
refrigerant pipe has been connected with both the indoor and outdoor unit, let the air
exhaust out from the maintenance gap on he low-pressure cut-off valves of the
outdoor unit. Screw the nuts tightly on the maintenance gap after the air has been
drained.
5.3.2.3 To make the refrigerant pipe unblocked completely
You should keep the cut-off valves of the outdoor unit completely open after you have
finished the above steps (5.3.2.1 or 5.3.2.2)
Note:
1.Before screwing the reamer nut, smear the pipe and the connecting surface with