Panasonic S-200PE2E5 Technical Data & Service Manual page 43

9-3. Installing the Refrigerant Tubing
The size of the refrigerant tubing is as shown in the table below.
Table 1-2
Type
Gas tube
(Brazing connection)
ø9.52 (Flare connection)
Tightening torque (approximate) : 34 ~ 42 N · m
Liquid tube
Thickness of connecting tube : 0.8 mm
NOTE
To fasten the flare nuts, apply specified torque.
• When brazing, must be cool the pipe by wet cloths after removing the insulation tube and the cover plate.
• When brazing the gas tubing, cool the tubing with dampened shopcloths as you work, as shown in the
figure below, to protect the unit's thermistor from the heat generated by brazing.
Insulation
tube
• The Type 200 indoor unit comes with a tube connector
that is for liquid tubing.
Configure as shown in the illustration and connect it.
When flaring the tube, put the flare nut onto it first and then
flare it.
• Pipe insulation must be made after leak detection for tubing connection area was performed.
• Be sure to insulate both the gas tubing and liquid tubing.
In addition, wrap the supplied insulation material around the tubing joints, and fasten in place
with vinyl tape or other means.
Failure to insulate the tubing may result in water leakage from condensation.
• Plug all gaps at tube through-holes in the unit with insulation or a similar substance to prevent
air leakage.
200
ø25.4
Gas tubing
Longer screw
250
ø25.4
(Brazing connection)
ø12.7 (Flare connection)
Tightening torque (approximate) : 34 ~ 42 N·m
Thickness of connecting tube : 0.8 mm
Dampened shopcloths (wet cloths)
Cover plate
Remove the ø12.7 flare nut
from the liquid tubing of the
indoor unit and use it.
To Outdoor unit
ø 9.52
1-37
To Indoor unit
Flare the
tubing
Tube connector for
Braze
Type 200 (Accessory)
1