
38
P5417009-rev.6
6.4 Piping Sizes between Outdoor Units
The following drawing is for a 288 model combination.
(Indoor Unit on Left Side)
(Indoor Unit on Right Side)
Install the outdoor unit and piping connections in accordance to whatever is applicable to your situation.
Refer to the table for the outdoor unit model, the piping connection kit model, and the pipe diameter.
Base Unit
Two Unit Combination
inch (mm)
Model
72
96
120
144
168
192
Piping Size
a
Low Pressure Gas
7/8
(22.2)
7/8
(22.2)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
High/Low Pressure
Gas
3/4
(19.05)
3/4
(19.05)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
Liquid
1/2
(12.7)
1/2
(12.7)
1/2
(12.7)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
inch (mm)
Model
216
240
264
288
312
336
360
Combination
Unit
Outdoor Unit A
144
120
144
144
168
192
192
Outdoor Unit B
72
120
120
144
144
144
168
Piping Connection Kit
MC-NP21SX
Piping Size
a
Low Pressure Gas
1-1/8
(28.58)
1-3/8
(34.93)
1-3/8
(34.93)
1-3/8
(34.93)
1-3/8
(34.93)
1-3/8
(34.93)
1-3/8
(34.93)
High/Low Pressure
Gas
7/8
(22.2)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
Liquid
3/4
(19.05)
3/4
(19.05)
3/4
(19.05)
3/4
(19.05)
3/4
(19.05)
3/4
(19.05)
3/4
(19.05)
b
Low Pressure Gas
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
High/Low Pressure
Gas
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
Liquid
5/8
(15.88)
1/2
(12.7)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
c
Low Pressure Gas
7/8
(22.2)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
1-1/8
(28.58)
High/Low Pressure
Gas
3/4
(19.05)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
7/8
(22.2)
Liquid
1/2
(12.7)
1/2
(12.7)
1/2
(12.7)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
Refrigerant Piping
To Indoor Units
a
Outdoor Unit
To Indoor Units
Piping Connection Kit
a
b
c
Outdoor Unit A
Outdoor Unit B
To Indoor Units
Piping Connection Kit
a
b
c
Outdoor Unit A
Outdoor Unit B
Содержание YVAHR072B32S
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Страница 88: ...P5417009 rev 6 Code No LIT 12012492 Revised February 2019 2017 Johnson Controls Inc ...