Use and Care Manual

4.5 Installation of the Drain Hose

4.5.1 Precautions for Installing Drain Pipe

(1). The drain pipe should be as short at possible and it should slope downwards.

(2). Keep pipe size equal to or greater than that of the unit drain outlet/port size.

(3). Drain hose should be installed as shown in below fig. 4.19.

Improper piping could cause water leaks .

Extended drain hose

(commercially available)

Insulate drain

pipe and

connections

Indoor unit

drain hose

Insulation tape

(optional)

Fig.4.19

4.5.2 Installing the Drain Hoses

(1). Insert the drain hose to the drain outlet of the unit and then secure with clamp and

completely insulate pipe.

(2). Connect the additional drain pipe to the drain , secure with clamp and completely insulate pipe.

≤

4mm(1/8inch)

1 2

Tighten the clamp until the screw head is less

then 4mm (0.125inches) from the hose.

Metal clamp

Drain hose (accessory)

Duct tape (accessory)

Insulate the pipe clamp and the drain hose using

insulation .

Metal clamp (accessory)

Insulation (accessory)

(3). When connecting multiple drain pipes, install the pipes as Fig. 4.20. Select drain

pipes size suitable for the operating capacity of the unit.

T-joint converging drain hoses

≥

100mm(3-7/8inch)

U-match Series Cassette Type Unit