Selection Of Location For Installation - Mitsubishi Heavy Industries SRK20ZD-S1 Technical Manual

(1) Selection of location for installation

(a) Indoor unit
(i) Where there is no obstructions to the air flow and where the cooled
air can be evenly distributed.
(ii) A solid place where the unit or the wall will not vibrate.
(iii) A place where there will be enough space for servicing. (Where
space mentioned right can be secured)
(iv) Where wiring and the piping work will be easy to conduct.
(v) The place where receiving part is not exposed to the direct rays of
the sun or the strong rays of the street lighting.
(vi) A place where it can be easily drained.
(vii) A place separated at least 1m away from the television or the radio.
(To prevent interfence to images and sound.)
(b) Outdoor unit
(i) A place where good air circulation can be obtained and where rain, snow or sunshine will not directly strike the unit.
• A place where intake air temperature is over 46°C , it is desirable to install a roof avoiding the sunlight.
(ii) A place where discharged hot air or unit's operating sound will not be a nuisance to the neighborhood.
(iii) A place where servicing space can be secured.
(iv) A place where vibration will not be enlarged.
(v) Avoid installing in the following palces.
• A place near the bed room and the like, so that the operation noise will cause no trouble.
• A place where there is possibility of flammable gas leakage.
• A place exposed to strong wind.
(vi) Do not install the unit near the seaside, or where there is possibility of chlorine gas generation.
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(vii) In heating operation, snow deposit on the heat-exchanger of outdoor unit must be
prevented for keeping the normal performance capacity.
1) Snow-hood on outdoor unit as in drawing, will reduce the frequency of
defrost operation.
When installing the snow hood, take care so that the air outlet of the snow
hood will not face directly into the most windy direction.
2) Design the base higher than possible snow deposit.
(c) Limitations for one way piping length and vertical
height difference.
Item
One way piping length (R)
Outdoor
Vertical height unit is lower
difference (h) Outdoor unit
is higher
Unit : mm
Air inlet
No obstacles
(Service space
for electrical
parts)
Air
outlet
Model
All models
30 m
20 m
20 m
Left
side
5 cm
Notes (1) Blowing out port and suction port on the back side of the unit can be
installed at a distance of 10cm from walls.
(
In case the barrier is 1.2m or above in height, or is overhead, the
sufficient space between the unit and wall shall be secured.
(2) When the unit is installed, the space of the following dimension and
above shall be secured.
101
- -
6.5 cm
1.5 cm
Snow hood
Height:
Must be over
the possible
snow deposit
height
h
r
Right
side
10 cm
)