Installation Place Provision - Hitachi RASC-4HNPE Service Manual

2 Unit installation

Installation place provision

2.6 Installation place provision


Floor mounted
1 Foundation could be on flat and is recommended be 100‑300mm higher than floor level.
2 Install a drainage around foundation for smooth drain.
3 When installing the unit fix it by anchor bolts of M10.
4 Use vibration-proof rubber (approx. 60 degree) between the unit and foundation.
5 Drain water sometimes turns to ice. Therefore, avoid draining in an area that people often use because it is slippery.
6 Check to ensure that water‑proofing measure shall be taken to the foundation.
7 Install the unit making sure that the drain outlet part is lower (>25mm / <30mm) than the opposite side in order to
avoid incorrect drain discharge.
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Ceiling suspended
1 Suspend the unit as the drawing indicates.
2 Ensure that ceiling can resist the unit weight which is indicated into the specification label.
3 Install the unit so that the drain outlet parts is slightly lower than the other side (>25mm / <30mm), in order to avoid
incorrect drain discharge.
Sling Bolt (M10)
Suspension Bracket
!
C A U T I O N
• If the unit is suspended in the ceiling, place for installation is sufficiently strong. If not, reinforce the place with beams, etc., (more than
150 kg for one sling bolt) otherwise, the unit may fall down or the unit wind resonance may produce abnormal noise.
• Do not install the unit using vibration-proof springs or mounting springs.
24 SMGB0091 rev.2 - 11/2015
Mark Anchor bolt pitch
Model (4-6)HP (8/10)HP
A(mm) 1335
B(mm) 1113
Nº Description
Unit

Cut this portion of bolt If not, it's

difficult to remove Service Cover
Mortar Hole (Ø100xDepth 150)

Anchor Bolt M10

Drainage (Wide 100xDepth 150)

Drainage

Vibration-proof rubber

Mark Sling bolt pitch
Model (4-6)HP (8/10)HP
A(mm) 1335 1770
B(mm) 1113 1463
1770
1463
(Floor mounted)
Drain pipe
(Ceiling suspended)
>25mm
<30mm
Drain pipe
>25mm
<30mm