4
English
1-5. Additional Materials Required for Installation
1.
Refrigeration (armored) tape
2.
Insulated staples or clamps for connecting wire
(See local codes)
3.
Putty
4.
Refrigeration lubricant
5.
Clamps or saddles to secure refrigerant tubing
2. Installation Site Selection
2-1. Indoor Unit
AVOID:
G
direct sunlight.
G
nearby heat sources that may affect performance of the
unit.
G
areas where leakage of flammable gas may be expected.
G
places where large amounts of oil mist exist.
DO:
G
select an appropriate position from which every corner of
the room can be uniformly cooled. (High on a wall is best.)
G
select a location that will hold the weight of the unit.
G
select a location where tubing and drain hose have the
shortest run to the outside. (Fig. 1)
G
allow room for operation and maintenance as well as unre-
stricted air flow around the unit. (Fig. 2)
G
install the unit within the maximum elevation difference (H)
above or below the outdoor unit and within a total tubing
length (L) from the outdoor unit as detailed in Table 3 and
Fig. 3a.
G
Install the indoor unit more than 1 meter away from any
antenna or power lines or connecting wires used for televi-
sion, radio, telephone, security system, or intercom. Electrical
noise from any of these sources may affect operation.
Table 3
Drain hose
Indoor unit
Outside drainage
Fig. 1
5 cm
min.
5 cm
min.
15 cm min.
Front View
Fig. 2
INDOOR
UNIT
Tubing length (L)
OUTDOOR
UNIT
Elevation
difference (H)
Fig. 3a
WARNING
To prevent abnormal heat genera-
tion and the possibility of fire, do
not place obstacles, enclosures
and grilles in front of or surround-
ing the air conditioner in a way
that may block air flow.
*
If total tubing length becomes 10 to 30 m, charge additional refrigerant (R410A) by 25 g/m.
No additional charge of compressor oil is necessary.
Indoor unit
Floor level
Wall
Minimum height
from floor level
1.5 m
Fig. 3b
For stable operation of the air
conditioner, do not install
wall-mounted type indoor
units less than 1.5 m from
floor level.
CAUTION
Max. Allowable Tubing
Limit of Tubing
Limit of Elevation
Required Amount of
Model
Length at Shipment
Length (L)
Difference (H)
Additional Refrigerant
(m)
(m)
(m)
(g/m)
*
MCAF186/246
10
30
15
25
06-154 MCAF186 - 246R5I ENG 3/15/06 11:04 AM Page 4
