Sanyo CM1972 Service Manual - Page 66

Installation Site Selection

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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 Indoor unit 2. Installation Site Selection 2-1. Indoor Unit WARNING To 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. AVOID: Drain hose Outside drainage Fig. 1 G direct sunlight. G nearby heat sources that may affect performance of the unit. G areas where leakage of flammable gas may be expected. 2" (5 cm) min. 6" (15 cm) min. 2" (5 cm) min. 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. 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. Front View Fig. 2 INDOOR Tubing length (L1) UNIT (1) INDOOR UNIT (2) Elevation L2 difference (H1) OUTDOOR H2 UNIT H4 INDOOR UNIT (4) L4 L3 INDOOR H3 UNIT (3) Fig. 3a 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. CAUTION For stable operation of the Indoor unit Wall air conditioner, do not install wall-mounted type indoor units less than 5' (1.5 m) from floor level. Minimum height from floor level 5' (1.5 m) Fig. 3b Floor level 4

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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
AVOID:
●
direct sunlight.
●
nearby heat sources that may affect performance of the
unit.
●
areas where leakage of flammable gas may be expected.
●
placing or allowing any obstructions near the A/C inlet or
outlet.
●
installing in rooms that contain instant-on (rapid-start)
fluorescent lamps. (These may prevent the A/C from
receiving signals.)
●
places where large amounts of oil mist exist.
●
installing in locations where there are devices that
generate high-frequency emissions.
DO:
●
select an appropriate position from which every corner of
the room can be uniformly cooled. (High on a wall is best.)
●
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. (Fig. 1)
●
allow room for operation and maintenance as well as
unrestricted air flow around the unit. (Fig. 2)
●
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.
Drai
n
ho
s
e
I
n
door
un
it
O
u
t
s
ide drai
n
a
g
e
Fig. 1
2" (5 cm)
mi
n
.
6" (15 cm)
mi
n
.
Front View
2" (5 cm)
mi
n
.
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
To 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.
I
n
door
un
it
Floor level
Wall
Mi
n
im
u
m hei
g
ht
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