User Guide | Optyma™ iCO2
34 | BC408445719305en-000101
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
Criteria
Result
Comment
4.10
Is Danfoss specified evaporator controller
installed?
Danfoss Condensing unit specifies
Danfoss AK-CC55 as the indoor unit
controller.
(Danfoss: 084B4083)
4.11
Change the parameter code in AKCC-55
from the default to Danfoss setting.
Follow the Instruction manual
(Danfoss: LCA012A026)
4.12
Is external monitoring installed?
Write the information of the external
monitoring.
4.13
Whatt is the provided valve type?
(manufacturer & model)
Write the EEV model Danfoss
Condensing unit specifies Danfoss AKV
series as the expansion valve.
5. Module Controller
5.01
Is Danfoss specified module controller
installed?
Write the model number and serial
number of module controller.
5.02
Is Danfoss specified or user interface
(Danfoss: MMILDS) installed?
Is remote controller set according to
Instruction manual?
Follow the Instruction manual
(Danfoss: LCA012A025, LCA012A027)
5.03
Confirm the address No. of condensing
unit and address NO. of AK-CC55 (indoor
unit controller) on remote controller or
user interface.
Write the address
Follow the inWrite the address
Follow the Instruction manual
(Danfoss: LCA012A025, LCA012A026)
stallation manual
(LCA01A014,LCA012A015)
6. Piping
6.01
Write the piping configuration between
the condensing unit and load unit
(Refer 2.07)
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")
6.02
Pipe sizes. (liquid & gas)
Write the liquid and gas pipe size / Or
piping diagram
Is there any trouble with piping
connection, piping length and/or route
of the pipework?
Follow the Instruction 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
Is piping insulation work done correctly?
Follow the Instruction manual
Avoid direct contact between suction
and liquid pipes without insulation
material.
Yes/No
6.03
Is the installation position of the
evaporators above the Condensing unit?
The tip of the reverse trap should be set
higher than the level of the evaporator so
that liquid refrigerant in the evaporator
does not flow into the condensing unit
after stopping.
Installation of the trap follows the
"3 Installation precautions/Typical
instillation"
6.04
Is the height of the Condensing unit
more than the indoor unit. Is the height
difference within 22m?
Oil trap should be installed every 5m to
ensure correct oil return.
Installation of the trap follows the
"3 Installation precautions/Typical
instillation"
6.05
Is this diameter in the vertical riser part
of the Gas pipe limited to use Ø19.05
(t1.4)?
Installation of the trap follows the
" 3 Installation precautions/Typical
instillation"
