Mitsubishi Heavy Industries FDTCVA SERIES Technical Manual page 222

2) Firstly, use the accessory pipe to assemble the connecting pipe assembly outside the outdoor unit.
As shown in the fi gures of installation examples
line), braze the accessory pipe and the parts prepared in the above 1).
Installation example
Braze the field pipe here.
(Downward)
Installation example
(Rightward)
±
Orientation of the accessory pipe must comply with the dimensions with
Position for the accessory pipe (Figure
3) After assembly of the connecting pipe, connect it to the operation valve on the gas side inside the outdoor unit.
Tighten the flare nut with appropriate torque.
Appropriate torque
φ19.05
100~120N·m
~
A D
Accessory pipe A
Straight pipe
(Procured in the field
above 415mm)
Accessory pipe A
Straight pipe
(Procured in the field
185~235mm)
Elbow procured in the field
Straight pipe
(Procured in the field
above 125mm)
Braze the field pipe here.
)
Position for connecting
the operation valve on
the gas side
Inner face of
the base
42
221
-
applicable to the connecting direction (chain double dashed
Installation example
(Forward)
Installation example
(Backward)
of Figure .
-
Accessory pipe A
Straight pipe
(Procured in the field
185~235mm)
Straight pipe
(Procured in the field
above 125mm)
Elbow procured in the field
Braze the field pipe here.
Accessory pipe A
Straight pipe
(Procured in the field
185~235mm)
Elbow procured in the field
Straight pipe
(Procured in the field
above 405mm)
Braze the field pipe here