Johnson Controls (H, Engineering Manual

Page: 102 / 124

OPTIONAL PARTS
3-12
TC-16006
3.3.1 Piping Connection Kit
MC-NP20A1 and MC-NP30A1
Model
Branch Pipe for
Gas Line
Branch Pipe for
Liquid Line
Reducer for
Gas Line
Reducer for
Liquid Line
MC-NP20A1
(To Outdoor Unit)
(To Indoor Unit)
ID 5/8
ID 3/4
ID 7/8
ID 1
ID 7/8
ID 1
ID 1-1/8
ID 5/8
ID 3/4
ID 3/8
ID 1/2
ID 5/8
ID 3/4
ID 7/8
ID 3/4
(To Outdoor Unit)
(To Indoor Unit)
OD 1
ID 1
ID 7/8
ID 3/4
ID 1/2
ID 5/8
OD 3/4
ID 3/8
ID 3/4 ID 7/8
OD 7/8
OD 7/8
ID 1
MC-
NP30A1
Piping Connection Kit 1
ID 1-1/2
ID 1-1/4
ID 1-1/4
ID 1-1/8
ID 1
ID 1-1/4
(To Outdoor Unit)
(To Piping Connection Kit 2)
(To Indoor Unit)
ID 5/8
ID 3/4
ID 5/8
ID 3/4
ID 7/8
ID 3/4
ID 1/2
ID 3/8
(To Outdoor Unit)
(To Indoor Unit)
(To Piping Connection Kit 2)
OD 1-1/4
ID 1-1/8
ID 1
ID 1/2
ID 5/8
OD 3/4
ID 3/8
ID 1-1/8 ID 1-1/4
OD 1-1/4
OD 1 ID 3/4
ID 7/8
OD 1-1/4
ID 1-3/8
OD 1-1/2
ID 1-5/8
Piping Connection Kit 2
ID 1-1/2
ID 1-1/4
ID 1-1/4
ID 1-1/8
ID 1
ID 1-1/4
(To Outdoor Unit)
(To Piping Connection Kit 1)
ID 1/2
ID 3/8
ID 3/4
ID 5/8
ID 3/4
ID 7/8
ID 3/4
ID 5/8
(To Outdoor Unit)
(To Piping Connection Kit 1)
OD 1-1/4
ID 1-1/8
ID 1
ID 1/2
ID 5/8
OD 3/4
ID 3/8
ID 1-1/8
ID 1
OD 1-1/4
ID 1-3/8 OD 1-1/4 ID 1-1/4
OD 1-1/4
ID 1-1/8
ID 7/8
OD 1
ID 3/4
(Qty.: 2)
(Qty.: 2)
( )
( )
Piping Connection Size
7KHHQGVRIWKHSLSLQJFRQQHFWLRQNLWVDUH¿QLVKHGDVVKRZQLQWKHIROORZLQJ¿JXUHV&XWWKHHQGRIWKH
pipe to meet with the pipe size.
Unit: inch, ID: Inner Diameter, OD: Outer Diameter
OD 5/8
ID 1/2
NOTES:
1. When installing “Branch Pipe for Gas Line” of “Piping Connection Kit 2”, install “Long Reducer” at “To Piping
Connection Kit 1” side of “Piping Connection Kit 2”. Otherwise, it will cause an abnormal oil distribution between each
of the outdoor units. (Shown in the ( ) above.)
2. Refer to the “Installation Manual for Piping Connection Kit” for more details.