Haier AC142ACBEA Service Manual page 119

9.3.4 Check after installation:
a. If the indoor unit is installed reliably
b. If the gas leakage test is performed
c. If the thermal insulation of the unit is complete
d. If the drainage is smooth
e. If the voltage of the power supply is in accordance with the nameplate of the product
f. If the wiring and pipeline are installed properly
g. If the unit id earthed safely
h. If the wire model is in accordance with the stipulation
i. If there are obstacles at the air outlet and inlet of the indoor /outdoor unit
j. If the length of the cooling medium pipe and the filling amount of the cooling medium
are recorded