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13
S4359146
99
99
9
SC
11
11
1
X
88
88
8
WT
77
77
7
RC
(WL)
55
55
5
C
44
44
4
U
33
33
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T
22
22
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K
66
66
6
RC
(WD)
0937_C_I
Without snow-
proof ducting
(Low platform)
Snow-proof
ducting
(High platform)
In regions with snow fall, the outdoor unit should be
provided with a platform and snow-proof duct.
Fig. 2-5 Fig. 2-6
Air
Intake
Platform (foundation)
Higher than the
maximum
snow depth
Duct
About 1/2 of the
unit height
Air
Intake
Duct
Outdoor
Unit
0488_C_
I
Example of Installation
0490_C_I
Fig. 2-8
Fig. 2-7
2-3. Precautions When Installing in Heavy Snow
Areas
(1) The platform should be higher than the maximum.
snow depth. (Fig. 2-5)
(2) The two anchoring feet of the outdoor unit should
be attached to the platform, and the platform
should be installed beneath the air-intake side of
the outdoor unit.
(3) The platform foundation must be solid and the
unit must be secured with anchor bolts.
(4) When installing on a roof subject to strong wind,
countermeasures must be taken to prevent the
unit from being overturned.
Duct
Duct
Outdoor Unit
Min. 4"
12"
Min. 4" 12" Unit: inch
1117_C_I
2-4. Dimensions of Snow / Wind-proof Ducting
and Refrigerant Tubing Space for Installation