Instructions
Is Danfoss specified evaporator controller
4.10
installed?
Change the parameter code in AKCC-55
4.11
from the default to Danfoss setting.
4.12
Is external monitoring installed?
Whatt is the provided valve type?
4.13
(manufacturer & model)
5. Module Controller
Is Danfoss specified module controller
5.01
installed?
Is Danfoss specified or user interface
(Danfoss: MMILDS) installed?
5.02
Is remote controller set according to
installation manual?
Confirm the address No. of condensing
unit and address NO. of AK-CC55 (indoor
5.03
unit controller) on remote controller or
user interface.
6. Piping
Write the piping configuration between
6.01
the condensing unit and load unit
(Refer 2.07)
Pipe sizes. (liquid & gas)
Is there any trouble with piping
connection, piping length and/or route
of the pipework?
6.02
Is piping insulation work done correctly?
Is the installation position of the
evaporators above the Condensing unit?
The tip of the reverse trap should be set
6.03
higher than the level of the evaporator so
that liquid refrigerant in the evaporator
does not flow into the condensing unit
after stopping.
Is the height of the Condensing unit
more than the indoor unit. Is the height
6.04
difference within 22m?
Oil trap should be installed every 5m to
ensure correct oil return.
Is this diameter in the vertical riser part
6.05
of the Gas pipe limited to use Ø19.05
(t1.4)?
7. Replenishment refrigerating oil /Refrigerant charge
60 | AN405821998738en-000102 - 118A5495A
Criteria
Danfoss Condensing unit specifies
Danfoss AK-CC55 as the indoor unit
controller.
(Danfoss: 084B4083)
Follow the installation manual
(Danfoss: LCA012A026)
Write the information of the external
monitoring.
Write the EEV model Danfoss
Condensing unit specifies Danfoss AKV
series as the expansion valve.
Write the model number and serial
number of module controller.
Follow the installation manual
(Danfoss: LCA012A025, LCA012A027)
Write the address
Follow the installation manual
(Danfoss: LCA012A025, LCA012A026)
stallation manual
(LCA01A014,LCA012A015)
The distance between the farthest load
unit and the condensing unit is 100m or
less.
(Follow the Maximun refrigerant charge
quantity at the same time shown in
"5 Leak detection and 6 Vacuum
dehydration")
Write the liquid and gas pipe size / Or
piping diagram
Follow the installation manual
Provide a downward slope(1/200 or
1/250) at the sidewise run of suction
pipe.
Install the liquid solenoid valve just
before the expansion valve.
Yes/No
Follow the installation manual
Avoid direct contact between suction
and liquid pipes without insulation
material.
Yes/No
Installation of the trap follows the
"3 Installation precautions/Typical
instillation"
Installation of the trap follows the
"3 Installation precautions/Typical
instillation"
Installation of the trap follows the
" 3 Installation precautions/Typical
instillation"
Result
© Danfoss | Climate Solutions | 2023.02 | LCA012A024
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