Rpc - Ceiling Type (2.0-6.0)Fsn2E - Hitachi RCI-1.0FSN3 Service Manual

3 Piping work and
refrigerant charge
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Drain pipe installation
The correct position for the drain hose connection is shown below.
Prepare a polyvinyl chloride (PVC) pipe with an outer diameter of
32 mm.
Secure the pipe with the clamp and adhesive supplied.
The drain hose must have a gradient of 1% (1/100) to 4% (1/25).
C A U T I O N
• Do not apply adhesive between the drain hose connection and the drain hose.
• Do not apply too much force when making the drain hose connection as this could damage it.
• Do not use bent or twisted drain pipes as these will cause water leaks.
Then insulate the drain hose appropriately.

3.5.5 RPC - Ceiling type (2.0-6.0)FSN2E

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Refrigerant pipe installation
The correct position for the refrigerant pipe connection is shown
below. The refrigerant piping can be connected to the top or rear
of the unit.
Each part has a die-cut hole as is indicated in chapter Unit
installation.
108
SMGB0077 rev.0 - 01/2013
Max. 500mm
Drainage pipe
connection
Insulation (Factory-Supplied)
1/25~1/100
Down slope
Gradient of drain piping
Clamp (accessory)
Do not use adhesive
PVC pipe Ø 32
(field-supplied)
Use PVC adhesive
Drainage pipe
(accessory)
Insulation (Field-Supplied)
1/25~1/100
Down slope
Polyvynil Chloride Tube
(Field-Supplied)
Clamp (Factory-Supplied)
Liquid piping
Gas piping
Drain piping
Drain piping