Sanyo KH2442 / CH2442 Service Manual page 107

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.
Dimensions of Snow / Wind-proof Ducting
and Refrigerant Tubing Space for Installation
Duct Outdoor Unit
Min. 4" 12"
Min. 4"
12"
Duct
Unit: inch
1117_C_I
In regions with snow fall, the outdoor unit should be
provided with a platform and snow-proof duct.
Without snow-
proof ducting
(Low platform)
Fig. 2-5
Outdoor
Unit
Duct
Air
Intake
About 1/2 of the
unit height
I - 103
1. Specifications
Snow-proof
ducting
(High platform)
0937_C_I
Fig. 2-6
Duct
Higher than the
maximum
snow depth
Air
Intake
Platform (foundation)
Fig. 2-7
Example of Installation
0490_C_I
Fig. 2-8
SM830082
1
2
3
0488_C_I
4
5