Figure 23 Front piping access points
21-1/2"
(546mm)
Figure 24 Side piping access points
5-15/16"
(151mm)
1-13/16"
(47mm)
OF UNIT
Alternate Piping
Connection
1-3/8" (35mm)
Diameter
1-1/16"
(26mm)
6-1/2"
(165mm)
28-1/2"
(724mm)
7-5/16"
(185mm)
7/8" Outside
Diameter
Return Piping
3"
Connection
(76mm)
REAR
LEFT SIDE OF UNIT
Piping Connections and Piping Access Points
3"
Schrader
(76mm)
Valve
(typ. 2 plcs.)
10-3/8"
(264mm)
15"
(381mm)
FRONT OF XDO
Schrader Valve
1/2" Outside Diameter
Supply Piping
Connection
Alternate Piping
Connection,
typical 2 places
5-3/4"
(146mm)
7-3/8"
(188mm)
FRONT
OF UNIT
Right side layout
is similar
23
: http://splitoff.ru/tehn-doc.html
Alternate Piping
Connection
1-1/16"
(26mm)
7/8"
(22mm)
Diameter
2-1/16"
(53mm)