Toshiba RAV-SP1104AT-E Installations-Handbuch Seite 14

Super Digital Inverter
1. Do not put the spanner on the cap or cover.
The valve may be broken.
2. If applying excessive torque, the nut may
be broken according to some installation
conditions.
• After the installation work, be sure to check gas
leak of connecting part of the pipes with nitrogen.
Refrigerant Pipe Length
Single
Allowable pipe
length (m)
Total length
Simultaneous twin
Allowable pipe length (m)
Total
length
• +
1
• +
1
Maximum
50
13-EN
CAUTION
NO GOOD
Cap
Height difference (Indoor-outdoor H) (m) Pipe diameter (mm)
L Indoor unit: Upper
75 30
Distributed Distributed
pipes pipes
• • –
2 2 3 2
• Maximum
3 3
Maximum
15 10
Figure of Single
Indoor Unit
Outdoor unit
• Pressure of R410A is higher than that of R22
(Approx. 1.6 times).
Therefore, using a torque wrench, tighten the
flare pipe connecting sections which connect
the indoor/outdoor units at the specified
tightening torque.
Incomplete connections may cause not only a
gas leak, but also a trouble of the refrigeration
cycle.
Do not apply refrigerating machine oil to the
flared surface.
Cover
Outdoor unit: Lower Gas side
30
Height difference (m)
Indoor-outdoor H Indoor-
indoor
Indoor Outdoor
(Δh)
unit: unit:
Upper Upper
30 30 0.5
Figure of Simultaneous twin
Outdoor unit
– 13 –
Outdoor Unit Installation Manual
Liquid side
Ø15.9 Ø9.5
Pipe diameter (mm)
Main pipe Branching pipe
Gas side Liquid Gas side Liquid
side
Ø15.9 Ø9.5 Ø15.9
Indoor Unit
Indoor Unit
Distributor
2 3
1
Number of bent
portions
10 or less
Number of
bent portions
side
Ø9.5 10 or less