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Most Recent Haier AU60NFIERA Questions
The Indoor Unit Pcv District Setting For 1 Hp To 2 Hp
I want to know how to give the district setting of AU60NFIERA on the indoor unit PCV district to mak...
I want to know how to give the district setting of AU60NFIERA on the indoor unit PCV district to mak...
(Posted by mgmhtet8816 5 years ago)
Popular Haier AU60NFIERA Manual Pages
Installation Instructions - Page 6
4. Refrigerant circuit
AU282FHERA
Ta
one-way valve
Tc
strainer PMV strainer
Te
accumulator
liquid pipe
strainer SV2
outdoor
4-way valve
gas pipe
strainer
oil segregator
OP
strainer oil return capillary
Ts
Td
compressor
LP gas-liquid segregator 图例
connected
disconnected
Tc2 PMV
Ta
indoor
Tc1
06
Installation Instructions - Page 7
AU48NFIERA AU60NFIERA
Ta 室外 HEX
one-way valve Te Tc
strainer PMV strainer accumulator
strainer SV2
liquid pipe
4-way valve
gas pipe
strainer SV1
strainer
oil segregator
strainer
OP
oil return capillary
Td
Ts
compressor
LP gas-liquid segregator
legend
outdoor
connected disconnected
PMV
Tc2
Ta
Tc1
indoor
07
Installation Instructions - Page 25
....1 4.77 14.5 4.86 14.8 4.92 15.3 5.02 16.0 5.17 16.6 5.26 17.7 5.41 18.8 5.56 19.4 5.66 20.0 5.71 20.6 5.80 21.4 5.85 22.0 5.90
AU60NFIERA heating mode
indoor temp.℃DB
18.0
20.0
21.0
TC PI TC PI TC PI
KW KW KW KW KW KW
12.7 4.02 12.7 4.24...
Installation Instructions - Page 43
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Installation Instructions - Page 63
... signal interference? no
Check outdoor mainboard.
Make necessary replacement
63 Troubleshooting:
1.Communication failure
Is number of indoor and outdoor units
no
Use shielded wire.
yes
Is indoor unit address properly set separately? Shield layer should be grounded at single
point
Are communication wire and power cable set ? yes
Is shielded wire used for communication...
Installation Instructions - Page 64
... Replace sensor
3.EEPROM failure
no Re-wire as the wiring diagram
Replace the power module
64 Over current protection
Check if the compressor current yes Check the system, fan motor,
is broken?
no
Check the wiring condition
yes
no EEPROM chip installed firmly
Reinstall in right direction
yes
Is the PCB poorly w elded...
Installation Instructions - Page 65
... balance pressure and running pressure to see if the refrigerant is high, if SV2 by thermometer too high? yes cleaning
no
yes Adjustment or replacement
When TD is too much or lack. yes Conduct...EEV work normally
no Replace TD sensor sensor in system? Evacuate and recharge
no
Check fan motor and capacitor
yes Is filter or heat exchanger dirty? yes
no Repair outdoor EEV
Is actual ...
Installation Instructions - Page 66
... piping twisted or deformed? no
no Replace high pressure switch pressure gauge above 3MPa? Is there air in good condition?
and if indoor fan motor and indoor EEV work properly during heating cycle? Is reading of outdoor unit open?
yes
Are stop valve
yes Repair or replacement
if outdoor fan motor work properly during...
Installation Instructions - Page 67
... low protection
Are connectors of refrigerant? no Replace low pressure switch
yes
If outdoor stop valves of gas pipe no Repair fan motor and EEV
yes
If the filter and heat exchanger are open totally
Open stop valve
yes
Is piping twisted or deformed? 7 . no Adjust and maintain
no Replace PCB
Is pressure valve...
Installation Instructions - Page 68
...control wire is correct
10.Failure code from 24 to 27, from 30 to 40
Re-electrified, check if the failure disappears
no
Replace power module
11. Failure code 28 and 29: Check if...Suction temperature protection
Measure if the actual air return temperature is over 40degree
yes
no Check if the wiring between them is normal
yes
Check if the sequence of refrigerant; if the system is normal; if...
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