Carrier 42QZL018DS series Installation Manual

Also see for 38QUS018DS: Owner's manual Installation manual Service manual Installation manual Installation manual

Contents

7GB-176. FINAL CHECK AND TRAIL OPERATIONTo complete the installation, perform the following checks before the trial operation.Strength of the installation site for both indoor and outdoor sides, confirm no obstruction of the unit air outlet or return.Tightness of Refrigerant piping connection and confirm no leakageElectric wiring connections are correctly completed and unit has been grounding connectedCheck the total length of the piping and record the volume of the additional charged refrigerantThe power supply should complying with the rated voltage of the air conditionerInsulation of the pipeDrainageRemove the cushion for transportation between fan and control box. And re-assemble the side panel and grille.6.1 FINAL CHECK LISTSet the air conditioning under the COOLING mode with the remote controller (or manual button) and check the running status of bothindoor unit and outdoor unit. In case of any malfunction, resolve it according to chapter “Trouble shooting” in the “Service Manual”.Indoor unitWhether the buttons (such as ON/OFF, MODE, TEMPERATURE, FAN SPEED etc.) on the remote controller work well.Whether the louver moves normally.Whether the room temperature is adjusted well.Whether the indicator lights on the display panel are normal.Whether the “manual” button works well.Whether the drainage is normal.Whether there is a vibration or abnormal noise during the operation.Whether the indoor unit works well in COOLING or HEATING mode.Outdoor unitWhether there is a vibration or abnormal noise during the operation.Whether the wind, noise or condensed generated by the air conditioner have disturb your neighborhood.Whether there is any refrigerant leakage.6.3 TRAIL OPERATIONWhen restart the unit, there will be approximately 3 minutes delay to run for protection.CAUTION6.2 MANUAL OPERATIONManual operation can be accessed by pressing manual button on display panel.Press the manual button repeatedly to change modes as follows:Once = AUTO mode [heat, cool or fan, 24°C and auto fan speed .Twice = COOLING mode [switch to AUTO mode after 30 minutes (mainly used for trial operation)]Three times = OFF

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