Hitachi RAS-(4-12)HNP(1)(E) - Suspended Unit; Installing Location Where the Unit will be Exposed to Strong Wind

2 Unit Installation
31
SMGB0087 rev.0 - 12/2013
2

Suspended unit
1 Suspend the unit as shown in the gures.
2 Ensure that wall can withstand the weight of the outdoor unit indicated on the specications plate.
3 It is advisable that each foot support should bear the full weight of the unit (in order take account of applied stress
fatigue when unit is operating).
RAS-(2.0-2.5)HVNP1
RAS-3HVNP1E
RAS-(4-6)H(V)NP1E
RAS-(8-10)HN(P/C)E
RAS-12HN(P/C)
1
2
3
2
1
1
2
3
1. Wall support (eld supplied)
2. Anchor bolts (eld supplied)
 C A U T I O N
Followtheseinstallationprocedurescarefully
• Theinstallationmustbedonesoastoensurethattheoutdoorunitdoesnotleanvibratemakeanoiseorfallinthe
eventofstronggustsofwindorearthquakes.Calculatetheresistancetovibration(causedbyearthquakes)toguaran-
teethattheinstallationissturdyenoughtopreventfalls.Securetheunitwithcables(eld-supplied)wheninstallingthe
unitinaplacewithoutwallsorwindprotectionandwhereitislikelytobeexposedtogustsofwind.
• Whenusingthevibration-proofrubbermatsecureitatfourpointsonthefrontandback.

Installing location where the unit will be exposed to strong wind
Follow the instructions below to install on the roof or in a place which is not surrounded by buildings and where the product
may be buffeted by strong winds.
1 Select a place where neither the inlet or outlet side of the outdoor unit are exposed to strong winds.
2 When the outlet is exposed to strong winds: Strong direct winds may cause a lack of air ow and negative effects on
the unit operation.
RAS-(2.0-2.5)HVNP1
RAS-3HVNP1E
RAS-(4-6)H(V)NC1E
RAS-(4-6)H(V)NP1E
RAS-(8-10)HN(P/C)1E
RAS-12HN(P/C)
 C A U T I O N
Anexcessivelystrongwindblowingagainsttheoutletoftheoutdoorunitmaycausereverserotationanddamagetothe
fanmotor.