Confirmation Before Trial Run - Haier AU96NFTAHA Service Manual

2. Confirmation before trial run

Before trial run, please confirm whether the installation engineering has abnormality and record it on the
"Confirmation Sheet 1".
Whether the capacity of the electrical leakage protector is proper
Whether the wire diameter of power cord is correct
Whether the connecting wire for control is correct
Whether the power cords of indoor unit group use the same power supply
Whether the earthing is well
Whether the insulation is proper (above 10M*)
Whether the voltage is normal (within 380V *10%)
Whether the diameter of refrigerant pipe is correct
Whether all manifold pipes are correct
Whether the discharge of condensed water is smooth (indoor unit)
Whether the insulating layer of refrigerant pie is good (Connecting portion of refrigerant pipe, all portions of manifold pipe)
Whether there are short circuit and loop of the air blown out by the indoor unit group and outdoor unit
Whether the refrigerant pipe conducts vacuuming and compensates refrigerant
Whether the valves are all open
Please confirm the injection rate of refrigerant
Confirm the injection rate of refrigerant according to the diameter and length of connected refrigerant pipe. Record the
length of different diameter of each refrigerant pipe in the following Table and calculate the additional amount of
refrigerant. (The refrigerant in the outdoor unit is only used for outdoor unit and will not enter into the refrigerant pipe).Diameter of re
Standard additional amount
Liquid diameter
(kg/m)
*6.4
*9.5
*12.7
Points for attention when trial run
In the following cases, the indoor unit and outdoor unit will automatically set address:
When automatically setting address (after switching on the power, it usually takes 3~5 minutes, max. 20 minutes),
the air conditioner can not operate (only limited to fan only). The check of mismatching line must be conducted
after switching on the power for 20 minutes. Once the address of indoor unit is determined, the address setting can
not be set automatically. But, in the following cases, the address can be set automatically:
When first switching on the power after the new air conditioner is installed;When first switching on the power after the PCB of
Resume switching on the power after correcting the mismatching line.
When switching on the power, first switch on the power of outdoor unit.
If the power of indoor unit is switched on first, the remote controller may display the fault code "95" (abnormal indoor
and outdoor communication). To eliminate the fault, press "check" key for over 10 seconds, then it will be reset.
Confirmation Sheet 1
Outdoor unit
Outdoor unit
(Indoor and outdoor communication connecting terminal: PQ , Type: shielded wire)
Confirmation sheet 2
Total length of each refrigerant
pipe (mm)
0.03 X
0.065 X
0.115 X
the total additional amount of refrigerant
46
A; Indoor unit group
Indoor unit group
mm
2
Yes
above M*
V
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Additional amount of refrigerant
in each refrigerant pipe (kg)
=
=
=
: http://splitoff.ru/tehn-doc.html
A.
mm
2
Wire mm
2
No
No
No
No
No
No
No
No