Installation Procedure

Piping Connection

Connecting method

Apply refrigerant oil at half union and flare nut.

To bend a pipe, give the roundness as large as possible not to crash the pipe.

When connecting pipe, hold the pipe centre to centre then screw nut on by hand, refer to Fig. Be careful not to let sundries, such as sands enter the pipe.

Pipe cutting and flaring

A

 

Be sure to carry out deburring after pipe cutting with a pipe cutter.

Insert flaring tool to make a flare.

Forced fastening without centering may damage the threads and cause a gas leakage.

Flaring tool

 

Pipe dia.

Dimension A

 

Fastening torque

Liquid pipe

9.52mm (3/8")

1.0 ~ 1.8(mm)

32.7-39.9N.m

Gas pipe

19.05mm (3/4")

1.4 ~ 2.2(mm)

97.2-118.6N.m

Correct

 

Incorrect

 

 

Lean Damaged flare Crack

Partial Too outside

Piping connection of indoor unit 1.Arrangement of piping and drainage pipe

After opening inlet grill, you will see a control box as shown in the Fig. Remove the cover before wiring work.

Cut away, with a hammer or a saw, the lid for piping according to piping direction.

According to the piping method, connect the piping on indoor unit with union of connecting pipe.

Arrange the piping as per the wall hole and bind drain hose, connecting electric cable and piping together with polyethylene tape.

Insert the bound piping, connecting electric cable and drain hose through wall hole to connect with outdoor unit.

control box

Insulation material Copper tube

Drain hose

Connecting electric cable for indoor and outdoor unit

2.Arrangement of drain hose

Drain hose shall be placed in under place.

There should be a slope when arrange drain hose. Avoid up and down waves in drain hose.

If humidity is high, drain pipe( especially in room and indoor unit ) must be covered with insulation material.

Indoor unit

Slope

Up

Good

Down

Bad

Piping connection of outdoor unit.

Connect the connecting pipe and inlet / outlet liquid pipe according to the piping method.

Vacuumizing

Discharge the air out of the indoor unit and the refrigerant pipe by vacuumizing.

(1)Fasten all the nuts of the indoor and outdoor pipes to make these parts out of leakage.

(2)Under the condition of the complete close of the indoor and outdoor valve center (both liquid and gas side), dismount the service valve cap. Vacuumizing through the charge mouth of the service valve.

(3)After vacuumizing, fasten the service valve and dismount the cap of the big and small stop valve, then loosen the stop valve center completely and fasten the big and small stop valve.

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Haier AP48DS1ERA Piping Connection Connecting method, Pipe cutting and flaring, Arrangement of drain hose, Vacuumizing

AP60KS1ERA, AP48DS1ERA, AP48KS1ERA specifications

The Haier AP48KS1ERA, AP48DS1ERA, and AP60KS1ERA are part of Haier's innovative range of air conditioning solutions aimed at delivering superior comfort, efficiency, and advanced features to enhance the indoor environment. These models are engineered with cutting-edge technologies to meet various climate control needs in homes and offices.

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