Haier Smart Power Series Service Manual

Also see for 1UH071N1ERG: Installation manual Installation manual Installation manual

30Smart Power8) Installing the air-inlet grille.Install the air-inlet grille with the steps opposite to thatfor removing.For referenceThe method for removing angle trim panels when theinstallation of trim panel is complete:1) Insert a straight screwdriver in the notch ① . Gentlyturn the screwdriver downward, and slowly insert it in,and then move it up and down to make the angle falloff.2) Make the angle ② and ③ fall off in the same way.3) Take off the angle trim panel by hand.¢¢¢8. Test run8.1 Check items1. Indoor unit• Is operation of each button on the remote control unit normal?• Does each lamp light normally?• Do not air flow direction louvers operate normally?• Is the drain normal?2. Outdoor unit• Is there any abnormal noise and vibration during operation?• Will noise, wind, or drain water from the unit disturb the neighbors?• Is there any gas leakage?Customer guidanceExplain the following to the customer in accordance with the operation manual:(1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching, and otherremote control unit operations.(2) Air filter removal and cleaning, and how to use air louvers.(3) Give the operation and installation manuals to the customer.8.2 Test runThis unit will be started instantly without "ON" operation when electric power is supplied. Be sure to execute "OFF"operation before electric power is disconnected for servicing.• This unit has a function of automatic restart system after recovering power stoppage1. Before starting test run (for Heat pump models)Confirm whether the power source breaker (main switch) of the unit has been turned on for over12 hrs to energize the crankcase heater in advance of operation.2. Test run• Run the unit continuously for about 30 minutes, and check the following. Suction pressure at check joint of servicevalve for gas pipe.• Discharge pressure at check joint on the compressor discharge pipe.• Temperature difference between return air and supply air for indoor unit.