Trane Precedent YHJ072 Installation, Operation And Maintenance Manual page 40

Installation
Figure 61. Through-the-base gas pipe assembly for
YHJ(180-300)*
N
O
M
L
D
G
K J
E
I
H
F
Component
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
40
B
See Detail A
A
C
Description
Grommet
Grommet
Pipe Fitting (3/4-in. x 8 1/2-in.)
90° Elbow
Support Plate
Tee
Pipe Fitting (3/4-in. x 4-in.)
Cap
Pipe Fitting (3/4-in. x 2 1/2-in.)
90° Street Elbow
Pipe Union
Pipe Fitting (3/4-in. x 2 1/2-in.)
Gas Shut-off Valve
90° Street Elbow
Pipe Fitting (3/4-in. x 6 1/2-in.)
Figure 62. Through-the-base gas pipe assemblies for
YHJ(072-150)*
C
D
A
B
A
M
L
1/2-in. and 3/4-in., Gas Pipe Connection
Table 6. Through-the-base gas pipe assembly
components for YHJ(072-150)* (inch)
Component Description
A Grommets
B TBUG bracket
C 90° Elbow
Pipe fitting
D
E Gas ball valve
F Street elbow
Pipe fitting
G
Tee pipe
H
Pipe fitting
I
Pipe cap
J
Pipe fitting
K
Pipe union
L
Pipe fitting
M
Note: All modulating gas models use 3/4-inch gas piping.
For detailed through-the-base gas installation instructions,
refer to the Through-the-Base Gas Piping 3 to 25 Tons
Gas/Electric Packaged Units Installation Instructions (ACC-
SVN17*-EN) provided with through-the-base gas
installation kit.
E
F
G
K H
I
J
Connection Size
1/2 inch 3/4 inch
½ ¾
- -
½ ¾
½ x 7¼ ¾ x 6½
½ ¾
½ ¾
½ x 2 ½ ¾ x 2¼
½ ¾
½ x 4 ¾ x 4
½ ¾
½ x 2 ¾ ¾ x 2
½ ¾
½ x 4 ½ ¾ x 5¼
RT-SVX075C-EN