4
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
AV
O
ID:
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
placing or allowing any obstructions near the A/C inlet or
outlet.
G
installing in rooms that contain instant-on (rapid-start)
fluorescent lamps. (These may prevent the A/C from
receiving signals.)
G
places where large amounts of oil mist exist.
G
installing in locations where there are devices that
generate high-frequency emissions.
D
O
:
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
unrestricted air flow around the unit. (Fig. 2)
G
install the unit within the maximum elevation difference
(H1, H2, H3, H4) above or below the outdoor unit and
within a total tubing length (L1+L2+L3, L1+L2+L3+L4)
from the outdoor unit as detailed in Table 3 and Fig. 3a.
Drain hose
Indoor unit
Outside drainage
Fig. 1
2" (5 cm)
min.
6" (15 cm)
min.
Front View
2" (5 cm)
min.
Fig. 2
INDOOR
UNIT (1)
INDOOR
UNIT (4)
INDOOR
UNIT (3)
INDOOR
UNIT (2)
Tubing length (L1)
L2
L3
L4
H2
H3
H4
OUTDOOR
UNIT
Elevation
difference (H1)
Fig. 3a
WARNING
T
o prevent abnormal heat generation
and the possibility of fire, do not
place obstacles, enclosures and
grilles in front of or surrounding the
air conditioner in a way that may
block air flow.
Indoor unit
Floor level
Wall
Minimum height
from floor level
5' (1.5 m)
Fig. 3b
For stable operation of the
air conditioner, do not
install wall-mounted type
indoor units less than 5'
(1.5 m) from floor level.
CAUTION
07-155 CMH1972-3172 6/6/07 9:34 AM Page 4
