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Electrical Wiring - Hitachi CENTRIFUGAL VRF Serie Bedienungsanleitung

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ELECTRICaL WIRING


Drain pipe location
Drain pipe location is indicated in the below figures:
RASC-(4-6)HNPE
Drain pipe
(30 mm Outer diameter)

Drain pipe connection
It is mandatory to connect a siphon as shown in the figure below. Pay special attention when connecting it to the unit (proper
installation work is needed in order to guarantee connection pipes matching).
Slope >2%
Fasten the siphon to the drain hose with an adhesive and a field-supplied clamp.
Prepare a draining pipe with an internal diameter higher than 30 mm for the draining line which shall be bent with a down
slope > 2 %.
Check to ensure that the water drains smoothly by pouring some water into the drain pan.
Check to ensure that the water does not remain in the drain pan.
Check the drain connections periodically (once a year), to avoid occurrence of water leakage.
!
C A U T I O N
If the unit is installed in a cold area, the drain water may freeze. Install an electric heater (field-supplied) at the drain connection.
Do not install the unit using vibration-proof springs or mounting springs.
10 ELECTRICAL WIRING
1 Ensure that the field-supplied electrical components (mains
power switches, circuit breakers, wires, connectors and wire
terminals) have been properly selected according to the
electrical data indicated. Make sure that they comply with
national and regional electrical codes.
2 Following the Council Directive 2004/108/EC(89/336/EEC),
relating to electromagnetic compatibility, next table indicates:
Maximum permissible system impedance Z
interface point of the user's supply, in accordance with
EN61000-3-11.
14
PMML0399B rev.1 - 07/2016
>75 mm
Plug
at the
max
RASC-(8/10)HNPE
Drain pipe (x2 locations)
(30 mm Outer diameter)
MODEL
RASC-4HNPE
RASC-5HNPE
RASC-6HNPE
RASC-8HNPE
RASC-10HNPE
C
Z
(Ω)
max
-
-
-
-
-

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