English
6
4. INSTALLATION SERVICING SPACE
•
The installation service spaces shown in these drawings are based on an outdoor unit intake area
temperature of 35°C (DB) for COOL operation. If the planned intake area temperature exceeds 35°C (DB),
or if the heat load of all outdoor units is increased significantly and exceeds the maximum operating
capacity, secure a larger space than that indicated by the intake dimensions in these drawings.
•
For installation, consider both pedestrian and air flow paths and choose a suitable pattern from these
drawings to match the space available onsite. (If the number of units to be installed exceeds the patterns in
these drawings, consider using short-circuits.)
•
Regarding the front space, position the units with consideration to the space required for the onsite
refrigerant piping work. (Consult your dealer if the work conditions do not match those in the drawings.)
•
The values represent the case for the RZQ20·24 type through RZ(Q/R)48 type.
The dimensions in ( ) are for the RZQ36, RZQ45 and RZ(Q/R)48 type.
4-1 INSTALLATION OF SINGLE UNIT
(Units : mm)
When nothing is obstructing the top
1.
In case obstacles exist only in front of the air inlet.
2.
In case obstacles exist in front of the air inlet and on both
sides of the unit.
3.
In case obstacles exist only in front of outlet side.
50 or more
(100)
100 or more
100 or more
100 or more
500 or more
01_EN_3P369976-2C.fm Page 6 Thursday ,October2 0, 2016 9:36 AM
(4) In installing the unit in a place frequently exposed to snow, pay special attention to the following:
In regions where buildups of snow can be expected, the air inlet and outlet as well as lower section of the
bottom plate may be blocked by the snow. Pay special attention to the following:
•
Place the outdoor unit on a stand (field supply) so that it is not covered by snow falls, snow buildups, or
snow drifts. Ensure the bottom plate is at least 500 mm higher than expected snow levels.
•
Install a roof cover for a snow fence or other enclosure (field supply).
•
Remove the rear suction grille to prevent snow from accumulating on the rear fins.
•
Avoid installing the unit in a location where blown snow will build up.
•
Also take the following measures, as there is a danger the drainage discharged during defrosting
operation may freeze.
•
Install the outdoor unit at a sufficient height so that its bottom plate is above expected snow levels. This
is to prevent the buildup of ice on the underside of the bottom plate. (A space of at least 500 mm is
recommended.)
•
Do not use a centralized drain plug (option). (There is a danger of freezing when a drain plug or drain
pipe is used.)
•
If there is a problem with dripping of drainage, take a measure such as positioning a roof cover (field
supply) under the outdoor unit.
(3) The refrigerant (R410A) itself is a safe refrigerant that is non-poisonous and non-flammable.
How ever, if the refrigerant leaks into a small room, and the refrigerant concentration in the room
exceeds the allowable safety limit, measures to deal with the refrigerant leakage are required. For
details, please refer to the technical materials.
Содержание FBQ20EAVAK
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