Samsung KXWD Series Installation Manual page 34

Refrigerant pipe installation
Refrigerant pipe installation
Basic amount of refrigerant inside the outdoor unit (kg)
- Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe lengths.
Classification AM072HXWA✴✴
Basic amount [kg (lb)]
Amount of additional refrigerant depends on the pipe size (ⓐ)
- Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length.
Size of liquid pipe [mm (inch)]
Additional amount [kg/m (lb/ft)]
- For the indoor unit already connected to EEV kit, the additional refrigerant charging is 0.01 kg (0.0067 lb) per meter
regardless of the pipe size.
Amount of additional refrigerant for each indoor unit (ⓑ)
Capacity (MBH)
Model
1way cassette (AM✴✴✴FN1DC✴)
Mini 4way cassette
(AM✴✴✴FNNDC✴)
4way cassette (AM✴✴✴FN4DC✴)
Slim duct (AM✴✴✴FNLDC✴)
MSP duct (AM✴✴✴FNMDC✴)
HSP duct (AM✴✴✴FNHDC✴)
Wall mounted (AM✴✴✴FNTDC✴)
Wall mounted (AM✴✴✴FNQDC✴)
Ceiling (AM✴✴✴FNCDC✴)
Additional refrigerant charging of MCU is 0.5 kg (1.1 lb) for every MCU kit.
If AHU kit is included among the indoor units, add 0.018 kg (0.04 lb) of refrigerant for every 1 MBH of AHU capacity.
AM096HXWA✴✴
5.5 (12.1) 5.8 (12.8)
6.35 9.52
(1/4) (3/8)
0.02 0.06
(0.013) (0.04)
7.5 9 9.5 12
0.25 0.25 0.25
(0.55) (0.55) (0.55)
0.29 0.29
(0.64) (0.64)
0.45 0.45
(0.99) (0.99)
0.35 0.35 0.35
(0.77) (0.77) (0.77)
0.24 0.24 0.24
(0.53) (0.53) (0.53)
0.24 0.24 0.24
(0.53) (0.53) (0.53)
ENGLISH-34
AM120HXWA✴✴
6.0 (13.2)
12.70 15.88 19.05
(1/2) (5/8) (3/4)
0.125 0.18 0.27
(0.084) (0.121) (0.181)
18 20 24 30 36
0.37 0.37
(0.82) (0.82)
0.45 0.45 0.69 0.69
(0.99) (0.99) (1.52) (1.52)
0.45 0.45 0.42 0.42
(0.99) (0.99) (0.93) (0.93)
0.28 0.28 0.54 0.54
(0.62) (0.62) (1.19) (1.19)
0.68
(1.50)
0.36 0.36 0.36
(0.79) (0.79) (0.79)
0.36 0.36 0.36
(0.79) (0.79) (0.79)
0.39 0.39
(0.86) (0.86)
AM192HXWA✴✴
9.8 (21.6)
22.22 25.40
(7/8) (1)
0.35 0.53
(0.235) (0.356)
[Unit : kg(lb)]
48 76.8 96
0.69
(1.52)
0.62
(1.37)
0.68
(1.50)
0.68 1.18 1.18
(1.50) (2.60) (2.60)