Daikin GYEQ20AN Service Manual page 59

SiAUY361411EA
7 Installing the Outdoor Unit
Corresponding Flow Chart for Refrigerant Leakage
Selection: OK
(No special handling
required)
Allowable Charged Refrigerant Amount in Specific System and Relevant Handling Methods
YES
Use one or more of the
following *handling methods: ventilation, safety
cut-off valve, and alarm.
YES
Handling of the refrigerant leakage complete
NOTE: For details on the handling method of the ventilation, safety cut-off valve, and
alarm described in the flow chart, consult your dealer.
Device Overview
Selection of Ventilation System
YES
Total charged refrigerant amount in the system (kg)
Residing space capacity (m
NO
Review the refrigerant
piping system
NO
All of the below items apply to the multi-type package air-conditioner for
personal ventilation using refrigerant:
capacity of outdoor unit
(c) The indoor unit is not equipped with a compressor.
(d) Only the piping with the relevant size for the indoor unit capacity in the
residing space is installed.
YES
Lowest floor of the basement
NO
Full charged refrigerant amount/Residing
NO
YES
NO
NO
No special handling
of leaked refrigerant is
required.
Refrigerant amount of the fully charged system installed in the building
YES
Fig 3. Corresponding Flow Chart for Refrigerant Leakage
Increase the residing space capacity, or review
the outdoor unit capacity of the ventilation
system or refrigerant piping length
3
)
to reduce the total refrigerant amount charged
to the system.
YES
YES
Full charged refrigerant amount/Residing
NO
YES
NO
YES
NO
YES
Use two or more of the
NO
following handling methods: ventilation, safety
cut-off valve, and alarm.
YES * For locations where people cannot
e v a c u a t e b y t h e m s e l v e s e . g .
hospitals, and where ventilation by
opening the doors is not possible,
NO
the alarm device cannot be used as
the only means of warning.
Perform the mechanical ventilation in the place
on the lowest floor of the basement where the
leaked refrigerant is expected to flow to.
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Installation Work Manual
NO
039651-00E01
0FGHP-EN0801 DGJ002
48