MEES19K180
PURY-HP-T(S)NU-A, Y(S)NU-A
112
12. PIPING DESIGN
Hyper Heating Inverter R2-Series
Amount of
additional
charge (oz)
=
High-pressure pipe
ø1-1/8 total length
× 3.54 (oz/ft)
+
+
+
High-pressure pipe
ø7/8 total length
× 2.26 (oz/ft)
High-pressure pipe
ø3/4 total length
× 1.51 (oz/ft)
High-pressure pipe
ø5/8 total length
× 1.08 (oz/ft)
+
+
+
Liquid pipe ø5/8
total length
× 1.94 (oz/ft)
Liquid pipe ø1/2
total length
× 1.19 (oz/ft)
Liquid pipe ø3/8
total length
× 0.59 (oz/ft)
Liquid pipe ø1/4
total length
× 0.23 (oz/ft)
+
+
Total capacity of connected
indoor units
Amount (oz)
(to be added for
indoor unit)
27 or below
71
28 to 54
89
55 to 126
106
127 to 144
124
145 to 180
159
181 to 234
177
235 to 273
212
274 to 307
283
308 to 342
318
343 to 411
353
412 to 450
424
451 or above
494
+
Main or Sub
BC controller
Amount
(oz/unit)
J-type
53
JA-type
106
KA-type
166
KB-type
15
• When the piping length from the outdoor unit to the farthest indoor unit is longer than 30.5 m (100 ft)
Amount of factory charged refrigerant
Outdoor unit
Model
HP120
HP72
Charged amount
10.8 kg [381 oz]
10.8 kg [381 oz]
8.0 kg [283 oz]
HP96
Sample calculation
Indoor
Outdoor
Main BC controller CMB-P108NU-JA1
Sub BC controller CMB-P104NU-KB1
× 4
A: ø22.2
40m
1: 18
a: ø6.35
B: ø9.52
10m
2: 96
b: ø9.52
C:
3: 06
c: ø6.35
ø12.7
20m
4: 06
d: ø6.35
D:
5: 48
e: ø9.52
ø9.52
5m
6: 36
7: 30
HP240
The total length of each liquid line as follows:
ø22.2: A = 40 m
ø19.05: G + H = 4 m
ø12.70: C = 20 m
ø9.52: B + D + E + F + b + e + f + g = 50 m
ø6.35: a + c + d + h = 30 m
<Calculation example>
Additional refrigerant charge
= 40 × 0.21 + 4 × 0.14 + 20 × 0.11 + 50 × 0.054
+ 30 × 0.021 + 3 + 0.4 × 4 + 6
= 25.1 (25.09)kg
f: ø9.52
E: ø9.52
5m
F: ø9.52
5m
10m
10m
5m
5m
5m
5m
g: ø9.52
5m
G: ø19.05
3m
8: 18
h: ø6.35
10m
H: ø19.05
1m
Units "m" and "kg"
Indoor
Outdoor
Main BC controller CMB-P108NU-JA1
Sub BC controller CMB-P104NU-KB1
× 4
A: ø7/8
131ft
1: 18
a: ø1/4
B: ø3/8
32ft
2: 96
b: ø3/8
C:
3: 06
c: ø1/4
ø1/2
65ft
4: 06
d: ø1/4
D:
5: 48
e: ø3/8
ø3/8
16ft
6: 36
7: 30
HP240
The total length of each liquid line as follows:
ø7/8: A = 131 ft
ø3/4: G + H = 12 ft
ø1/2: C = 65 ft
ø3/8: B + D + E + F + b + e + f + g = 160 ft
ø1/4: a + c + d + h = 96 ft
<Calculation example>
Additional refrigerant charge
= 131 × 2.26 + 12 × 1.51 + 65 × 1.19 + 160 × 0.59
+ 96 × 0.23 + 106 + 15 × 4 + 212
= 886.1 (886.01)oz
f: ø3/8
E: ø3/8
16ft
F: ø3/8
16ft
32ft
32ft
16ft
16ft
16ft
16ft
g: ø3/8
16ft
G: ø3/4
9ft
8: 18
h: ø1/4
32ft
H: ø3/4
3ft
Units "ft" and "oz"
+
Liquid pipe ø3/4
total length
× 2.81 (oz/ft)
* When connecting PEFY-P06NMAU-E**, PEFY-P24NMAU-E**, or PEFY-P36NMAU-E**, add 0.55 kg [20 oz] of refrigerant per indoor unit.
* When connecting PLFY-EP06NEMU-E**, PLFY-EP18NEMU-E**, or PLFY-EP36NEMU-E**, add 0.67 kg [24 oz] of refrigerant per indoor unit.
* High-pressure pipe: Main high-pressure pipe between outdoor unit and BC controller
* Liquid pipe: Liquid pipe between BC controller and indoor unit or between main BC controller and sub BC controller
BC controller
Amount (oz/unit)
G1/GA1-type
0
HA1-type
71
GB1/HB1-type
36
+
Total capacity of outdoor units
Amount (To be added for G1/GA1/HA1-type BC controller)
HP72
106 oz
HP96
159 oz
HP144-HP240
212 oz
HP120
159 oz
* When connecting the CMB-P**-NU-G1, CMB-P**-NU-GA1, CMB-P**-NU-HA1, CMB-P**-NU-GB1, or CMB-P**-NU-HB1 to a given system, add the
amount of refrigerant as indicated in the table below.
BC controller
Amount (oz/unit)
G1/GA1-type
0
HA1-type
71
GB1/HB1-type
36
+
Total capacity of outdoor units
Amount (To be added for G1/GA1/HA1-type BC controller)
HP72
106 oz
HP96
159 oz
HP144-HP240
212 oz
HP120
159 oz
* When connecting the CMB-P**-NU-G1, CMB-P**-NU-GA1, CMB-P**-NU-HA1, CMB-P**-NU-GB1, or CMB-P**-NU-HB1 to a given system, add the
amount of refrigerant as indicated in the table below.
0000005744.BOOK 112 ページ ２０２０年２月２５日 火曜日 午後５時１９分
