Toshiba RAV-GM1601AT8P-E Service Manual page 38

Existing piping
The following settings are required when using a pipe Ø19.1 mm as the existing piping at the gas pipe side.
Steps taken to s pport existing piping
1. Cut J805 (Jumper).
2. Set the circuit breaker to the ON position to turn on the power.
∗ (Airtight test), Vacuum dry, Refrigerant charge,
Gas leak check
Trial run
Piping necessary to change the flare nut/
machining size due to pipe compression.
1) Flare nut width: H
Copper pipe
Ø6.4 Ø9.5
outer dia.
17
For R410A
H
For R22
Same as above
2) Flare machining size: A
Copper pipe
Ø6.4 Ø9.5
outer dia.
A
For R410A 9.1
For R22 9.0
Becomes large a little for R410A
Do not apply the refrigerator oil to the flare surface.
Jumper wires
(mm)
Ø12.7 Ø15.9 Ø19.0
22 26 29 36
Same
24 27
as above
(mm)
Ø12.7 Ø15.9 Ø19.0
13.2 16.6 19.7 24.0
13.0 16.2 19.4 23.3
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