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6. Drain Piping
4. Discharge and charge the refrigerant pipelines by following the Installation and Maintenance Manual
of the outdoor unit.
NOTICE
Excessive or insufficient refrigerant is the major reason for system abnormalities. Please fill in the
•
refrigerant with appropriate amount.
6. Drain Piping
1. The condensate pipe connection position is shown in figure 6.1.
2. Prepare a PVC pipe (Outer diameter: 1-17/64inch[32mm]).
3. Fix PVC pipe to the condensate pipe with the adhesion agent and clamps provided by the factories, the
downward slope of the condensate pipe is 1/25 - 1/100.
4. Perform the heat preservation work on the condensate pipe after it is connected.
Drain raising pipe (PVC pipe, VP25)
(Installation site preparation)
Drain tank
Incorrect: leaned upward
Indoor unit
Upli ed part
Pipe support
(Installation site
preparation)
90° bend (VP25)
(Installation site
preparation)
Indoor unit Condensate pipe (L300)
Accessory
rubber plug
(Accessory)
Drain tray
9-1/4(235)
(Optional)
14-61/64(380)
Incorrect
Figure 6.1 Condensate Pipe
Unit: in(mm)
Fixed Plate
Refrigerant Pipe
(≥15-3/4(400))
2-9/32(58)
Condensate pipe (PVC pipe, VP25)
(Installation site preparation)
1/25 - 1/100 downward slope
63/64(25)
Connecting the condensate pipe
1/25~1/100 downward slope
Share the condensate pipe
-12-
[Unit: in. (mm)]
Correct
The condensate pipe shall
be separated from
other pipes.
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