Drain Pipe Connection - Hitachi RCI-1.0FSR1 Installation And Operation Manual


NOTE
Pay attention to the thickness of the insulation when the left side piping is performed. If it is too
thick, piping can not be installed in the unit.

5.2 Drain pipe connection

1 The position of the drain pipe connection is shown below.
2 Prepare a polyvinyl chloride pipe with a 32mm outer diameter.
3 Fasten the tubing to the drain hose with an adhesive and the factory-supplied clamp.
Drain pipe connection for checking
drainage (transparent)
4 The drain piping must be performed with a down-slope pitch of 1/25 to 1/100.
5 a+b+c ≤ 1100mm
6 Do not apply excessive force to the Drain Pipe connection. It could cause a damage.
7 Do not use a bent or twisted Drain Hose. It will cause water leakage.
PMEN0649 rev.0 - 03/2023
(mm)
Hose band (accessory)
Tightening torque: 3.0 - 3.5N.m
Vinyl tape
Ceiling
Hose band
(Max. 300mm)
(accessory)
Drain hose (accessory)
82
Elbow or vinyl chloride VP25
(Field-supplied)
Drain hose
(accessory)
Max. 300mm
20 + 5mm
Use vinyl chloride
type adhesive
1 to 1.5m
Support part
1/25 to 1/100
c
≤ 50mm
Down-slope
5
25