Mitsubishi Electric PFD-P250 Installation Manual page 11

place.
lifted into place.
tioner.
A
C Unit
E Unit weight
refrigerant and drain pipes.
When using commercially available refrigerant pipes, be sure to wind commer-
which pass through rooms.
Use thermal insulating material to insulate piping connections inside the unit as
1
Pipe size
2 If the unit is used on the highest story of a building and under conditions of
high temperature and humidity, it is necessary to use pipe size and insulating
3
both outdoor unit.
the outdoor unit manual.
B
D Base
More than 10 mm
the air-conditioner. It is therefore recommended that anti-vibration pads be
D
an angle, the center of gravity of the air-conditioner will be co-located with
-
A Example 1 - Use holes at front and rear.
B Example 2 - Use holes at sides.
C " " indicates foundation bolt holes used.
Model
Item
Liquid pipe
Refrigerant pipe
Gas pipe
<A> Single refrigerant circuit
<B> Two refrigerant circuits
A Thermal insulation
C
E No. 1 gas pipe on the unit side
G No. 2 liquid pipe on the unit side
I Field-installed liquid pipe
To be connected to the liquid pipe
on the unit pipe by brazing.
* Use non-oxidized brazing material.
K Location of refrigerant piping
L
M
N
O
P As seen from bottom face A
R
S
T
U
V As seen from bottom face A
E Anti-vibration pad
Single Two regrigerant
regrigerant circuit circuits
ø22.2 ø22.2
B
D Piping for close
F No. 1 liquid pipe on the unit side
H No. 2 gas pipe on the unit side
J Field-installed gas pipe
To be connected to the gas pipe
on the unit pipe by brazing.
* Use non-oxidized brazing material.
Q Location of refrigerant piping
W Air outlet
-
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