Drain pipe, Requirements | MRV Communications AE092FCAHA instruction

Installation procedure

Drain pipe

! Caution

•In order to drain water normally, the drain pipe shall be processed as specified in the installation manual and shall be thermal insulated to avoid dew generation. Improper hose connection may cause indoor water leakage.

Requirements

•The indoor drain pipe shall be thermal insulated.

•The connection part between the drain pipe and the indoor unit shall be insulated so as to prevent dew generation.

•The drain pipe shall be slant downwards (greater than 1/100). The middle part shall not be of S type elbow, otherwise abnormal sound will be produced.

•The horizontal length of the drain pipe shall be less than 20 m. In case of long pipe, suppo- rts shall be provided every 1.5 ñ 2m to prevent wavy form.

•Central piping shall be laid out according to the following figure.

•Take care not to apply external force onto the drain pipe connection part.

1.5m~2m

	Support
Insulation	Down slope
(supplied by the user)	above 1/100

To the largest (app. 10cm)

VP30

Down slope above 1/100

Pipe and insulation material

S type elbow

Wall

Outside

Slant

Drain pipe (supplied by the user)

Pipe	Rigid PVC pipe VP31.5mm (internal diameter)

Insulation	Foamed PE with thickness above 10mm

Hose

Drain pipe size: ÿ19.05mm2 (3/4") PVC pipe

The hose is used for adjusting the off-center and angle of the rigid PVC pipe.

•Directly stretch the hose to install without making any deformation.

•The soft end of the hose must be fastened with a hose clamp.

• Please apply the hose on horizontal part

Hose

Insulation treatment:

• Wrap the hose and its clamp until to the indoor unit without any clearance with insulating material, as shown in the figure.

Drain confirmation

Subsidiary insulation

Hose clamp

Insulation Rigid PVC pipe

During trial run, check that there is no leakage at the pipe connection part during water draining even in winter.

AE092FCAHA, AE182FCAHA specifications

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