・When the piping length from the outdoor unit to the farthest indoor unit is longer than 30.5 m (100 ft)
Amount of
High-pressure pipe ø1-1/8
additional charge
=
total length
(oz)
× 3.54 (oz/ft)
Liquid pipe ø5/8 total
+
length
× 1.94 (oz/ft)
Main or sub BC controller
+
Total capacity of
outdoor units
Single
+
Combination
* When connecting TPLFYP006EM14**, TPLFYP018EM14**, or TPLFYP036EM14**, add 24 oz of refrigerant per indoor unit.
* When connecting TPEFYP006MA14**, TPEFYP024MA14**, or TPEFYP036MA14**, add 20 oz of refrigerant per indoor unit.
<Example>
Outdoor unit 1 model: P120
Outdoor unit 2 model: P120
BC controller (Main) model: TCMBM0108JA11N4
BC controller (Sub) model: TCMBS0104KB11N4 × 4 units
Total capacity of connected indoor units: 206
* Refer to the pipe connection examples in section 9-4 for the pipes marked with the letters below.
A:
ø1-1/8; 131 ft
B:
ø3/8; 32 ft
C:
ø3/8; 16 ft
D:
ø3/8; 16 ft
E:
ø3/8; 16 ft
F:
ø3/8; 16 ft
G: ø3/8; 16 ft
H:
ø3/8; 16 ft
I:
ø3/8; 16 ft
A
: ø3/4; 9 ft
1
A
: ø3/4; 3 ft
2
a:
ø3/8; 32 ft
b:
ø3/8; 16 ft
c:
ø1/4; 16 ft
d:
ø1/4; 32 ft
e:
ø1/4; 16 ft
f:
ø3/8; 16 ft
g:
ø3/8; 16 ft
h:
ø3/8; 16 ft
WT09115X03
High-pressure pipe ø7/8
+
total length
× 2.26 (oz/ft)
Liquid pipe ø1/2 total
+
length
× 1.19 (oz/ft)
Amount (oz/unit)
J-type
53
JA-type
106
KA-type
166
KB-type
15
Amount (oz)
(to be added for outdoor unit)
72
0
96
0
120
0
144
0
168
0
192
156
216
156
240
156
192
0
216
0
240
0
264
0
288
0
312
0
336
0
384
311
432
311
High-pressure pipe ø3/4
High-pressure pipe ø5/8
+
total length
+
total length
× 1.51 (oz/ft)
× 1.08 (oz/ft)
Liquid pipe ø3/8 total
Liquid pipe ø1/4 total
+
length
+
length
× 0.59 (oz/ft)
× 0.23 (oz/ft)
Total capacity of connected
indoor units
(to be added for indoor unit)
27 or below
28 to 54
55 to 126
127 to 144
145 to 180
+
181 to 234
235 to 273
274 to 307
308 to 342
343 to 411
412 to 450
451 or above
GB-31
Amount (oz)
71
89
106
124
159
177
212
283
318
353
424
494