Design Technical Manual

Table Of Contents
(4) Header can be piped to either side.
When piping to the closed end, remove the end cap using a pipe cutter and braze the cap to
the opposite end of the header.
Liquid pipe
Cut 1 in. (25mm)
Field piping
Pipe cutter
(5) Use header support as necessary.
Gas pipe
Liquid pipe
Ceiling Ceiling
Pedestal
(Locally purchased)
Hanging metal
(Locally purchased)
Hanging metal
(Locally purchased)
z
Installation Restrictions
1) Installation angle
Install the header so that it branches horizontally.
Gas pipe
OK Prohibited Prohibited
Liquid pipe
Horizontal
Horizontal
Use a level to make sure that the header is positioned as shown in following gure, and then,
secure it in place.
A
H
1
1
1
B
H
2
2
2
Gas pipe
View from A
View from B
H1=0in.(0mm) to 3/8in. (10mm)
(α1 : 0° to 1°)
β1 : -10° to +1
H2=0in.(0mm) to 3/8in. (10mm)
(α2 : 0° to 1°)
β2 : -10° to +10°
Liquid pipe
Outdoor
unit side
Horizontal
line
Horizontal
line
Vertical
line
Horizontal
line
Brazing
point
Brazing
point
Outdoor
unit side
- (06 - 77) -
SYSTEM
DESIGN
SYSTEM
DESIGN