Super Free Match Series
15
Table 6
Serial No.
Model
Indoor unit 1
Cassette type
GKH(12)BA-D3DNA2A/I
Indoor unit 2
Duct type
GFH(09)EA-D3DNA1A/I
Indoor unit 3
Wall mounted type
GWH09UB-D3DNA1A/I
Indoor unit 4
Wall mounted type
GWH09MB-D3DNA3D/I
Indoor unit 5
Duct type
GFH(09)EA-D3DNA1A/I
Indoor unit 6
Wall mounted type
GWH09TB-D3DNA1A/I
Table 7
Serial Diameter(mm/inch)
Length(m/feet)
L1
Φ
9.52(3/8) 20(65-5/8)
L2
Φ
9.52(3/8) 10(32-3/4)
L4
Φ
9.52(3/8) 10(32-3/4)
1A
Φ
6.35(1/4) 5(16-3/8)
1B
Φ
6.35(1/4) 5(16-3/8)
1C
Φ
6.35(1/4) 5(16-3/8)
2A
Φ
6.35(1/4) 5(16-3/8)
2B
Φ
6.35(1/4) 5(16-3/8)
2C
Φ
6.35(1/4) 5(16-3/8)
The total length of the liquid pipes: 20+10+10+5+5+5+5+5+5=70m (229-5/8feet).
Thus, the total length is over than 30m (98-3/8feet), so the air conditioner needs to add refrigerant.
Additional refrigerant charge
Σ
the Liquid Pipe Length of
Φ
6.35
×
0.022kg/m +
Σ
the Liquid Pipe Length of
Φ
9.52
×
0.054kg/m
-
1.47kg
=(5+5+5+5+5+5)(m)
×
0.022kg/m+(20+10+10)(m)
×
0.054kg/m
-
1.47kg
=1.35kg (47.63oz)
4)
Additional refrigerant charge record for future maintenance
Table 8
Diameter(mm) Total
length(m/feet) Additional refrigerant charge(kg/oz)
Φ
6.35(1/4)
Φ
9.52(3/8)
Total
6.8.2 Procedures for adding refrigerant
