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Selecting a solderless terminal
1. Select a solderless terminal on the basis of nominal sectional area for a connecting power cable.
2. Insulate the solderless terminal and connection part of the connecting power cable with sheath.
Silver solder
Welding with nitrogen blowing
①
②
1. When welding a pipe, perform nitrozen blowing work.
If you didn't blow nitrogen through the refrigerant pipe during welding, many oxides will accumulate
inside the pipe, which may cause the expansion valves and compressor to operate abnormally.
2.
the reducing valve. (You should be able to feel the degree on your skin.)
Norminal dimensions for cable [mm (inch )]
Norminal dimensions for screw [mm(inch)]
Standard dimension [mm(inch)]
B
Standard dimension [mm(inch)]
D
Standard dimension [mm(inch)]
E
F
L
Standard dimension [mm(inch)]
t
③
⑥
Min. [mm(inch)]
Min. [mm(inch)]
Max. [mm(inch)]
Min. [mm(inch)]
④
⑤
⑥
Refrigerant pipe
Location for welding
Tape
Hands valve
Reducing valve
Nitrogen gas
17
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