Haier HPU-90CA03T3 operation manual Indoor unit Slope Good

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Installation procedure

Indoor unit

2.Piping connection of indoor unit 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 working.

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

Insulation material

Drain hose

 

Copper tube

Connecting electric cable

 

for indoor and outdoor unit

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.

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.

Indoor unit

Slope

 

Up

 

Good

Down

Bad

 

 

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

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Contents Cabinet unit Outdoor unit Name of PartsParts and Functions Operation points Applicable ambient temperature range Safety PrecautionsUnit start OperationFan Operation Windows should be hung with curtains or blinds Users’ AttentionRemove air inlet grille MaintenanceAfter season maintenance Followings are not problems Trouble shootingSwitch is not set At on When problems occur?Symptom When Troubles Occur ?Installation instruction Standard accessories Installation instructionBefore installation Installation procedureInstallation of indoor unit Installation procedureInstallation of fall-prevention fitting metal Indoor unit Slope Good Main points of installation refrigerant pipe Outdoor unit Unit Clearances Tubing connection Matters needing attention Vacuum Pumping Check for leakageHeat isolation of the pipes Refrigerant chargeRefill refrigerant Open all valvesPressing method of connection wire Wiring method Wiring method of orbicular terminalConnect wire between indoor & outdoor unit Others Preventive measures against excess of critical value Calculation of refrigerant densityPage