Pridiom Solar Series Installation Manual - Manual (Page 9)

8
REFRIGERANT PIPE CONNECTION
Settlement of outdoor unit
Ancho r the o utdoor unit wit h a b olt a nd
nut
10 o r 8 t ightly and horizontally
on a conc rete or rigid mount.
φ φ
Air inlet
Air outlet
Air inlet
Fig.13
Seal Drain joint Base pan hole of
outdoor unit
Seal
Drain pipe
Refrigerant pipe connection
Oblique
90
。
Roughness Burr
Main cause for refrigerant leakage
is due to defect in the flaring work.
Carry out correct flaring work
using the following procedure:
1. Use the piping kit accessory or pipes
purchased locally.
2. Measure the distance between the indoor
and the outdoor unit.
3. Cut the pipes a little longer than the
measured distance.
4. Cut the cable 1.5m longer than the pipe
length.
A: Cut the pipes and the cable.
1. Flaring work
Fig.14
B: Burr removal
1. Completely remove all burr s from the cut
cross section of pipe/tube.
2. Put the end of the copper tube/pipe in a
downward direction as you remove burrs in
or der to avoid dropping burrs into the tubing.
Pipe
Reamer
Point down
Fig .15
Fig .16
Drain joint installation
If a drain elbow is used, the unit should be
placed on a stand which is taller than 3cm.
Fit the seal into the drain elbow, then insert
the drain joint into the base pan hole of
outdoor unit, rotate 90
to securely assemble
them. Connecting the drain joint with an
extension drain hose (Locally purchased),
in case of the water draining off the outdoor unit
during the heating mode.
。
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