Kaysun KPCA-52, Owners & Installation Manual

Step 3: 

Drill wall hole for connective piping

1. Determine the location of the wall hole

based on the location of the outdoor unit.

2. Using a 65mm (2.5in) or 90mm(3.54in)

(depending on models )core drill, drill a

hole in the wall. Make sure that the hole

is drilled at a slight downward angle, so

that the outdoor end of the hole is lower

than the indoor end by about 12mm (0.5in).

This will ensure proper water drainage.

3. Place the protective wall cuff in the hole. This

protects the edges of the hole and will help

seal it when you finish the installation process.

 CAUTION

When drilling the wall 

hole, make sure to 

avoid wires, plumbing, 

and other sensitive

components.  

Wall

Indoor

Outdoor

≈ 12mm 

/ 

0.5 inch

Indoor Unit

Installation 

Step 4: 

Connect drain hose

NOTE ON DRAINPIPE INSTALLATION

•

When using an extended drainpipe, tighten

the indoor connection with an additional

protection tube to prevent it from pulling

loose.

•

The drainpipe should slope downward at a

gradient of at least 1/100 to prevent water

from flowing back into the air conditioner.

•

To prevent the pipe from sagging, space

hanging wires every 1-1.5m (39-59”).

•

Incorrect installation could cause water to

flow back into the unit and flood.

The drainpipe is used to drain water away from 

the unit. Improper installation may cause unit 

and property damage. 

 CAUTION

•

Insulate all piping to prevent condensation,

which could lead to water damage.

•

If the drainpipe is bent or installed

incorrectly, water may leak and cause a

water-level switch malfunction.

•

In HEAT mode, the outdoor unit will

discharge water. Ensure that the drain hose

is placed in an appropriate area to avoid

water damage and slippage.

•

DO NOT 

pull the drainpipe forcefully. This

could disconnect it.

NOTE ON PURCHASING PIPES

Installation requires a polyethylene tube

(exterior diameter = 3.7-3.9cm, interior diameter

= 3.2cm), which can be obtained at your local

hardware store or dealer.

Indoor Drainpipe Installation

Install the drainpipe as illustrated in the following 

Figure.

1.

2.

      Drainpipe

connecting port  

Drain hose

Pipe clasp

Insulation

Cover the drainpipe with heat insulation to 

prevent condensation and leakage. 
Attach the mouth of the drain hose to the 

unit’s outlet pipe. Sheath the mouth of the 

hose and clip it firmly with a pipe clasp. 

Downward slope 

1/100

1-1.5m

(39-59”)

NOTE: 

When connecting multiple drainpipes,

install the pipes as illustrated in the following 

Figure.

≥10cm

(4”)

3.

Pass the drain hose through the wall hole. 

Make sure the water drains to a safe location 

where it will not cause water damage or a 

slipping hazard.   

NOTE: 

The drainpipe outlet should be at least 

5cm (1.9”) above the ground. If it touches the 

ground, the unit may become blocked and 

malfunction. If you discharge the water directly 

into a sewer, make sure that the drain has a U 

or S pipe to catch odors that might otherwise 

come back into the house.

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