Connection Of Piping - Outdoor - Friedrich MD12Y3JM Manual De Instrucciones

Connection of piping - Outdoor

Align the center of the piping and sufficiently
tighten the flare nut by hand.
Connecting pipe order
1) A~D-UNIT gas side pipe
2) A~D-UNIT liquid side pipe
Finally, tighten the flare nut with torque wrench
until the wrench clicks.
• When tightening the flare nut with torque
wrench ensure the direction for tightening
follows the arrow on the wrench.
Outside diameter
mm inch
Ø6.35
Ø9.52
Ø12.7
Torque
kgf.m(lbf.ft)
1/4 1.8~2.5 (13~18)
3/8 3.4~4.2 (24~30)
1/2 5.5~6.6 (40~48)
Flaring Work and Connection of Piping
Outdoor unit(36 kBtu/h class)
Liquid
side piping
(Only Indoor Units
18 kBtu/h class )
Gas side piping
A-UNIT
B-UNIT
C-UNIT
D-UNIT
Main gas
side valve
Main liquid
side valve
Installation Manual 39