Toshiba RAV-GP801AT-E Manual De Instalación página 81

<GP110, GP140>
Valve at gas side
Cap
Loosened
Tightened
Flare nut
CAUTION
• Do not put the crescent wrench on the cap or cover.
The valve may break.
• If applying excessive torque, the nut may break
according to some installation conditions.
Incorrect
Cap
• After the installation work, be sure to check for gas
leaks of the pipe connections with nitrogen.
• Therefore, using a torque wrench, tighten the flare
pipe connecting sections that connect the indoor/
outdoor units at the specified tightening torque.
Incomplete connections may cause not only a gas
leak, but also trouble with the refrigeration cycle.
Do not apply refrigerating machine oil to the flared
surface.
EN-159
Cover
Piping valve
Cover
Refrigerant Pipe Length
Single
Allowable pipe length (m)
Outdoor unit
Minimum
GP80 3
GP110, 140 3
Pipe diameter (mm)
Outdoor unit
Gas side
GP80 15.9
GP110, 140 15.9
Figure of single
- 80 -
Height difference (m)
Total length Indoor-outdoor H
Maximum Indoor unit: Upper
50 30
75 30
Number of bent portions
Liquid side
9.5
9.5
Indoor unit
Outdoor unit
H
Outdoor unit: Upper
30
30
10 or less
10 or less
EN-160