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Criteria
Result
Comment
7. Replenishment refrigerating oil /Refrigerant charge
7.01
When the system was on a vacuum, What
was the vacuum pressure achieved?
-1.0 bar or less
7.02
How much the additional oil amount
did you caluculate according to the
Instruction manual? ( cc)
Follow the oil amount shown in the
Instruction manual.
" 5 Leak detection and 6 Vacuum
dehydration / 6.1. Charge of condensing
unit oil"
7.03
Is the total oil charge less than maximum
oil quantity?
Follow the oil amount shown in the
Instruction manual.
" 5 Leak detection and 6 Vacuum
dehydration / 6.1. Charge of condensing
unit oil"
7.04
How much the additional oil amount did
you charge actually?
( cc)
Follow the oil amount shown in the
Instruction manual.
" 5 Leak detection and 6 Vacuum
dehydration / 6.1. Charge of condensing
unit oil"
7.05
How much the refrigerant amount did
you caluculate ?
( g)
(Instruction/Instruction manual
"Refrigerant charge")
Follow the refrigerant amount shown in
the Instruction manual.
" 5 Leak detection and 6 Vacuum
dehydration / 6.1. Charge of condensing
unit oil"
7.06
How much the refrigerant amount did
you charge?
( g)
(The operation starts at 90% of the
calucated amount of the refrigeration.)
Follow the refrigerant amount shown in
the Instruction manual.
"10 Procedure and caution for
commissioning/ 10.7 Check of adequate
refrigerant quantity".
8. Test run (check the refrigerant amount)
8.01
Record the "Operation data check sheet"
each time you add the refrigerant.
Follow the refrigerant amount shown in
the Instruction manual.
"10 Procedure and caution for
commissioning/ 10.7 Check of adequate
refrigerant quantity".
8.02
Have you recorded the refrigerant charge
on the condensing unit label?
-
8.03
Are there any deformation, scratches
and/or dents on the unit surface?
Check unit surface
Yes/No
8.04
Are there any error stop conditions?
Check the history of error stops
Yes/No
8.05
Are the fan motor blades operating
correctly?
Check stable rotation
Yes/No
8.06
Is the discharge gas temperature with
range?
(Normal operation<125°C)
Max. 135°C
8.07
Is there any short cycling of gas cooler
exhaust air?
Check temperature difference between
actual outdoor air temperature and
7 segment display C02: Outdoor air
temperature (Tho-A)
<5°C
8.08
Are there any anomalous sound and/or
vibration?
Audible and visual check
Yes/No
User Guide | Optyma™ iCO2
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
BC408445719305en-000101 | 35