Mounting On Suspension Brackets (Field-Supplied); Adjusting Of Unit Level - Hitachi RPI-3.0FSN2SQ Installation & Maintenance Manual

Rejoin the return air and supply air
compartments in the following order.
(5) Carefully place the fan assembly back into
the original position.
(6) Fix the fan assembly onto the heat
exchanger compartment with 4 bolts (M6)
(Fig. 4.3).
(7) Re-connect the fan motor connector into the
plug on the heat exchanger compartment
(Fig. 4.3).
(8) Carefully replace the fan cover, taking care
the cover with the 4 bolts (M6) (Fig. 4.2).
4.3.3 Mounting on Suspension Brackets
(Field-Supplied)
Mount the suspension brackets to the suspension
bolts and secure them with nuts as shown. Use
greater are also recommended to brace the unit
mounting. (Check with local and national building
codes and or a structural engineer as to the
applicable.)
Threaded Rod
Suspension Bracket
P5414985
TC-12001
Washer
Nut

4.3.4 Adjusting of Unit Level

taking into account the maximum foundation
gradient.
Fig. 4.4 Foundation Gradient
(2) The unit should be installed so that the rear
lower than the front side, in order to avoid
the incorrect position of the drain discharge.
NOTE
Keep the unit as well as relevant equipment
covered with the vinyl cover during installation
work.
IN-THE-CEILING (DUCT)
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