Riello NXHM - Selecting a Location in Cold Climates; Installation Precautions; Installation Requirements

73
ENGLISH
 Prepare a water drainage channel around the foundation, to
drain waste water from around the unit.
 If water does not easily drain from the unit, mount the unit on a
foundation of concrete blocks, etc. (the height of the foundation
should be about 100 mm.
 If you install the unit on a frame, please install a waterproof plate
(about 100 mm) on the underside of the unit to prevent water
from coming in from the low side.
 When installing the unit in a place frequently exposed to snow,
pay special attention to elevate the foundation as high as pos-
sible.
 If you install the unit on a building frame, please in-
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the underside of the unit) in order to avoid drain water
dripping (see the picture in the right).
6.1 Selecting a location in cold climates
Refer to "Handling" in section “4 Before installation”.
NOTE
When operating the unit in cold climates, be sure to follow the in-
structions described below.
 To prevent exposure to wind, install the unit with its suction side
facing the wall.
 Never install the unit at a site where the suction side may be
exposed directly to wind.
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scharge side of the unit.
 In heavy snowfall areas, it is very important to select an installa-
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is possible, make sure that the heat exchanger coil is not af-
fected by the snow (if necessary construct a lateral canopy).
1 Construct a large canopy.
2 Construct a pedestal.
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buried in snow.
6.2 Selecting a location in hot climates
As the outdoor temperature is measured via the outdoor unit air ther-
mistor, make sure to install the outdoor unit in the shade or a canopy
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ced by the sun’s heat, otherwise protection may be possible to the unit.
7 IN STALLATION PRECAUTION S
7.1 Dimensions
H
J
1-1/4”
I
C
ED G
B
F
LK
Model A B C D E F G H I J K L
N: 1129 494 528 668 192 98 206 1558 558 143 400 440
unit in mm
7.2 Installation requirements
 Check the strength and level of the installation ground so that the unit may not cause any vibrations or noise during its operation.
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Ø10 Expansion bolts, nuts and washers which are readily available in the market.)
 Screw in the foundation bolts until their length is 20 mm from the foundation surface.
 Use special anti-vibration mounts available on the market.