Daikin CO2 Conveni-pack LRYEN10A7Y1 Installer And User Reference Manual page 105

LRYEN10A7Y1+LRNUN5A7Y1
CO₂ Conveni-Pack outdoor unit
4P605460-1 – 2020.08
Calculation table: outdoor unit with or without capacity up unit
Amount of refrigerant for liquid piping (refrigeration / air conditioner)
Liquid piping
size (mm)
Ø9.5
Ø12.7
Ø15.9
Subtotal (a)+(b)+(c):
Amount of refrigerant for indoor units
Type of indoor unit
Blower coils
Showcases
Air conditioner units
Subtotal (d)+(e)+(f):
Required amount of refrigerant for outdoor unit (kg)
Subtotal [1]+[2]+[3] (kg)
Factory charged amount of refrigerant into outdoor unit (kg)
Additional amount of refrigerant charged when test run if
required (kg)
Total amount of refrigerant [4]+[5]+[6] (kg)
(a)
The maximum amount of additional refrigerant that can be charged at the time of the test
run is 10% of the amount of refrigerant as calculated from the capacity of connected
indoor units. Use [6]≤[2]×0.1 to calculate this maximum amount.
Conversion ratio for indoor units: refrigeration
Type
Blower coil
Showcase
Conversion ratio for indoor units: air conditioners
Model
FXSN50
FXSN71
FXSN112
18
|
Conversion Piping length
ratio per (m)
meter of
liquid piping
(kg/m)
0.0463
0.0815
0.1266
(a)
Conversion ratio
0.059 kg/kW
0.294 kg/kW
Conversion ratio
0.13 kg/unit
0.21 kg/unit
0.32 kg/unit
Charging refrigerant
Total amount
of refrigerant
(kg)
(a)
(b)
(c)
[1]
Total amount
of refrigerant
(kg)
(d)
(e)
(f)
[2]
16.0 [3]
[4]
6.3 [5]
[6]
[7]
Installer and user reference guide
105