7
English
5.2. Service space
The space around the unit is adequate for servicing and the minimum
space for air inlet and air outlet is available (refer to the figure below
and choose one of the possibilities).
b
a
c
d
b
a
e
d
e
c
b
a
e
d
f
c
b
a
e
b
d
c
b
a
e
d
f
c
1
2
3
5
4
ABCD
Sides along the installation site with obstacles
Suction side
The figure above applies to all types.
A+B+C+D
A+B
1
a
≥
3/8 (10)
b
≥
11-13/16 (300)
c
≥
3/8 (10)
d
≥
19-11/16 (500)*
1
a
≥
1-15/16 (50)
b
≥
3-15/16 (100)
c
≥
1-15/16 (50)
d
≥
19-11/16 (500)*
1
a
≥
7-7/8 (200)
b
≥
11-13/16 (300)
2
a
≥
3/8 (10)
b
≥
11-13/16 (300)
c
≥
3/8 (10)
d
≥
19-11/16 (500)*
1
e
≥
13/16 (20)
a
≥
1-15/16 (50)
b
≥
3-15/16 (100)
c
≥
1-15/16 (50)
d
≥
19-11/16 (500)*
1
e
≥
3-15/16 (100)
a
≥
7-7/8 (200)
b
≥
11-13/16 (300)
e
≥
15-3/4 (400)
3
a
≥
3/8 (10)
b
≥
11-13/16 (300)
c
≥
3/8 (10)
d
≥
19-11/16 (500)*
1
e
≥
13/16 (20)
f
≥
23-5/8 (600)*
1
a
≥
1-15/16 (50)
b
≥
3-15/16 (100)
c
≥
1-15/16 (50)
d
≥
19-11/16 (500)*
1
e
≥
3-15/16 (100)
f
≥
19-11/16 (500)*
1
Unit: in.(mm)
4
a
≥
3/8 (10)
b
≥
11-13/16 (300)
c
≥
3/8 (10)
d
≥
19-11/16 (500)*
1
e
≥
13/16 (20)
a
≥
1-15/16 (50)
b
≥
3-15/16 (100)
c
≥
1-15/16 (50)
d
≥
19-11/16 (500)*
1
e
≥
3-15/16 (100)
5
a
≥
3/8 (10)
b
≥
19-11/16 (500)*
1
c
≥
3/8 (10)
d
≥
19-11/16 (500)*
1
e
≥
13/16 (20)
f
≥
35-7/16 (900)
a
≥
1-15/16 (50)
b
≥
19-11/16 (500)*
1
c
≥
1-15/16 (50)
d
≥
19-11/16 (500)*
1
e
≥
3-15/16 (100)
f
≥
23-5/8 (600)
*1 It is not mandatory but recommended to leave 28 in. (710 mm) dis-
tance in front of the equipment if enough working space is needed
for service work.
h2
a
<Front side>
<Suction side>
h2
or more
Service
space
h1
2
or more
h1
b
+
Service
space
2
+
a
59-1/16 in. (1500 mm)
b
19-11/16 in. (500 mm)
• In case of an installation site where sides A+B+C+D have obsta-
cles, the wall heights of sides A+C have no impact on service space
dimensions. Refer to the foregoing figure for impact of wall heights
of sides B+D on service space dimensions.
• In case of an installation site where only the sides A+B have ob-
stacles, the wall heights have no influence on any indicated service
space dimensions.
INFORMATION
• Please secure enough space in front of the outdoor unit for on-site
installation of the refrigerant piping.
•
The service space dimensions in above figure are based on cooling
operation at 95°F (35°C) ambient temperature (standard condi-
tions).
• If the design outdoor temperature exceeds 95°F (35°C) or the
heat load exceeds maximum capacity in all the outdoor unit, take
an even large space on the intake shown in figure in 5.2. Service
space.
• If installing snow guard (optional accessory), please incorporate
the dimensions of the snow guard into the unit’s outer dimensions in
order to calculate the necessary amount of space.
• In places with low winter temperatures that may freeze the waste
water created by defrosting during heating operation, please leave
enough space between the bottom frame of the outdoor unit and
its base. (19-11/16 in. (500 mm) to 39-3/8 in. (1000 mm) of space is
recommended.)
INFORMATION
Further specifications can be found in the Engineering Data Book.
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