14
REFRIGERANT PIPING
Foundations
MODEL
A
B
RAS-5FSN
368
RAS-8FSN(E)/FXN(E)
RAS-10FSN(E)/FXN(E)
688
RAS-16FSN
948
RAS-20FSN
RAS-16/20FXN
824
RAS-24FSN/FXN
RAS-30FSN/FXN
760
723
Position of Anchor Bolts
A
B
B
B
A
B
B
A
B
Correct Foundation
Incorrect Foundation
NOTE:
Design the foundation as show above and confirm
that the foundation carries all of the feet of the unit.
12.
REFRIGERANT PIPING
Ó
CAUTION:
-
Use refrigerant R410A in the refrigerant cycle. Do not
charge oxygen, acetylene or other flammable and
poisonous gases into the refrigerant cycle when
performing a leakage test or an air-tight test.
-
These types of gases are extremely dangerous and can
cause an explosion. It is recommended that compressed
air, nitrogen or refrigerant be used for these types of
tests.
-
Check to ensure that no pressure exists inside the stop
valve before removing the flange.
12.1.
PIPING MATERIALS
1. Prepare field-supplied copper pipes.
2. The piping size should be selected using the following
figures.
3. Select clean copper pipes. Make sure there is no dust
and moisture inside. Before connecting pipes, blow the
inside of the pipes with nitrogen or dry air, to remove
any dust and foreign materials.
100
100
Min.100
Min.100
Vibration-Proof
Rubber
Mortar Hole
(Ø 100mm x Depth 200mm)
Drainage
(Width 100mm x Depth 200mm)
Drainage
Refrigerant Pipe
100~300mm
614
Ø 30mm Anchor Bolt
8-38 x 16
(Hole for Anchor Bolt)
RAS-20FSN
RAS-16/20FXN
RAS-5~16FSN(E)
RAS8/10FXN(E)
RAS-24/30FSN
RAS-24/30FXN
6-38 x16
(Hole for Anchor Bolt)
4-38 x16
(Hole for Anchor Bolt)
