Hitachi set free inverter driven multi split system heat pump fsn tc2 0811 rev 1

Page 140

Ceiling Suspension Bracket

1 to 1.5m c

(Max. 300)

(Max. 50: As Short As Possible)

Hose Band (Accessory) 1/25 to 1/100 Down-Slope

P

260

Max.850

b

a

(4) Insulate the drain pipe after connecting the drain hose.

(mm) Drain Hose

P

Packing (5Tx270x 270) (Accessory)

Drain Hose

Horizontal or Upper-Slope The drain hose must be performed with a horizontal or upper-slope to prevent the airpocket inner the hose. If the airpocket occurs, the drain water will flow back to the unit and the abnormal noise and leakage to the room will occur when the unit is stopped.

Drain Hose Hose Band (Accessary) (Accessory) Elbow or Tightening Torque: Vinyl Chloride VP25 2.5 to 3.4N-m (Field-Supplied) Drain Pipe Connection

20+5 Fully insert the hose to the end of the drain pipe connection.

Use Adhesive Tape.

Adhesive is no necessary.

Upward Slope

Rising Part

Drain Piping Connection 1/25 to 1/100 Down-Slope

Min. 100mm

Unit

Common Drain Piping This drain pipe shall be separating from other pipes.

• The total length of a+b+c shall be within 950mm. • In case of lifting the drain pipe at the outlet part, perform the drain piping work as shown in the above figure.

Fig. 6.2 Drain Piping 133


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