Carrier 42QTD018DS Series - 6 Final Check and Trail Operation; Final Check List; Manual Operation; Trail Operation

GB-30
6. FINAL CHECK AND TRAIL OPERATION
To 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 leakage
Electric wiring connections are correctly completed and unit has been grounding connected
Check the total length of the piping and record the volume of the additional charged refrigerant
The power supply should complying with the rated voltage of the air conditioner
Insulation of the pipe
Drainage
6.1 FINAL CHECK LIST
Set the air conditioning under the COOLING mode with the remote controller (or manual button) and check the running status of both
indoor unit and outdoor unit. In case of any malfunction, resolve it according to chapter “Trouble shooting” in the “Service Manual”.
Indoor unit
Whether 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 unit
Whether 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 OPERATION
When restart the unit, there will be approximately 3 minutes delay to run for protection.
CAUTION
6.2 MANUAL OPERATION
Manual 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
The multi-system air conditioner can not be in different operating modes at the same time, such as one unit being in the
“COOL” mode and one unit being in the “HEAT” mode.
When conducting different operations, the “HEAT” mode will be given priority. The indoor unit which operates in “COOL”
or “FAN” mode will stop and display “P5”.
CAUTION