121
AIR
CONDITIONING
SPECIAL FEATURES : AIR CONDITIONING SYSTEM (R 134A)
Tightening torques (m.daN).
Unions
Aluminium / Steel
1.3 ± 3
2 ± 2
2.5 ± 3
Steel / Steel
1.7 ± 3
3.8 ± 3
4 ± 3
Pipe diameters
M 06
M 08
M 10
NOTE : Tighten the unions to the recommended torques using a retaining spanner whenever possible.
NOTE : For operations concerning draining, drying (empty), checking and refilling of a system: refer to BRE 0290.
WARNING : For R 134A quantities: see table on page: 120).
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