4
TTK-SVN001-EN
Pre-Installation Check
Items Required for
Installation
Copper tubing, fittings and
insulation to interconnect the
suction (wide pipe) and liquid
(narrow pipe) refrigerant lines
between the indoor and outdoor
units can be purchased locally. It is
necessary to purchase the
following items: (Table 1)
Note:
Purchase equal lengths of
both tubes and insulation required.
Cut the appropriate tube lengths,
30 cm to 50 cm (12 to 20 in.)
longer on each one to dampen
vibration between units. Wall
thickness of copper tube should
be 0.8 mm (0.0314 in.).
Table 1 - Items Required for Installation
Item
Use or specification
Deoxidizied annealed
Interconnection between the indoor unit and
outdoor unit.
copper tube
Foamed polyethylene
Diameter: According to outside diameter of
copper pipe.
Insulated copper wire
See local codes according to unit nameplate.
Pipe heat insulation
Thickness: No less than 6 mm (0.25").
Saddles or clamps
Hold refrigerant piping.
Insulated clamps or
Connecting wire.
staples
Refrigerant oil
Vinyl tape
Armored.
Bolts and nuts
Secure the unit.
Expansion shield
Putty or similar filter
Layout
14/1/03, 10:16 AM
4
Black
