Toshiba MMY-MUP0801HT8P-TR Service Manual page 117

Next, enter the total length for each liquid pipe diameter in the following table, and then calculate the additional
amount of refrigerant by pipe length.
<Additional amount of refrigerant by pipe length (B)>
Pipe diameter on
the liquid side
mm
6.4 0.025 ×
9.5 0.055 ×
12.7 0.105 ×
15.9 0.160 ×
19.0 0.250 ×
22.2 0.350 ×
25.4 0.470 ×
Then refer to following table below, calculate corrective amount of refrigerant according to indoor unit
horsepower (C).
<Corrective amount of refrigerant according to indoor unit horsepower (C)>
<According to indoor unit horsepower (Not include "DX coil interface")>
Indoor unit Capacity code
capacity rank (Equivalent to HP)
HP
003 0.3
005 0.6
007 0.8
008 0.9
1
009
010 1.1
012 1.25
014 1.5
015 1.7
018 2
020 2.25
024 2.5
027 3
030 3.2
036 4
048 5
056 6
072 8
096 10
<According to indoor unit horsepower for DX coil interface>
AHU Corrective amount
capacity of refrigerant
HP kg
8 1.4 ×
10 1.8 ×
16 2.9 ×
18 3.2 ×
20 3.6 ×
32 5.8 ×
36 6.5 ×
40 7.2 ×
48 8.6 ×
54 9.7 ×
60 10.8 ×
Standard amount Total pipe length on
of refrigerant
kg/m
Corrective amount Number of connected
of refrigerant indoor units
kg
0.2 ×
0.4 ×
0.6 ×
1.0 ×
Number of
connected indoor
units
Number
=
=
=
=
=
=
=
=
=
=
=
each liquid side
m
=
=
=
=
=
=
=
Corrective amount of refrigerant
on each indoor unit horsepower
Number
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
Corrective amount
of refrigerant on each
indoor unit horsepower
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
- 117 -
Additional amount of refrigerant
pipe diameter on each liquid side
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
kg
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kg