3
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:
●
direct sunlight.
●
nearby heat sources that may affect performance of the
unit.
●
areas where leakage of flammable gas may be expected.
●
places where large amounts of oil mist exist.
DO:
●
select an appropriate position from which every corner of
the room can be uniformly cooled.
●
select a location that will hold the weight of the unit.
●
select a location where tubing and drain hose have the
shortest run to the outside.
●
allow room for operation and maintenance as well as
unrestricted air flow around the unit.
●
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+L4) from the out-
door unit as detailed in Table 3 and Fig. 1.
Table 3
INDOOR
UNIT (1)
INDOOR
UNIT (4)
INDOOR
UNIT (3)
INDOOR
UNIT (2)
Tubing length (L1)
L2
L3
L4
Elevation
difference (H1)
H2
H3
H4
OUTDOOR
UNIT
Fig. 1
WARNING
To prevent abnormal heat genera-
tion and the possibility of fire, do
not place obstacles, enclosures
and grilles in front of or sur-
rounding the air conditioner in a
way that may block air flow.
Max. Allowable Tubing
Limit of Total Tubing
Limit of Elevation
Model
Length at Shipment
Length (m)
Difference (H1, H2, H3, H4)
(m)
(m)
AE4MI91AH 30 70 (L1+L2+L3+L4) 10
This outdoor unit requires no refrigerant charge up to the maximum limit for total tubing
length of 70 m.
Therefore, no refrigerant needs to be added on-site.
NOTE
