Carrier AR TXHQB Series Owner's Manual & Installation Manual page 11

2
Ignition sources free
possibly be released to the surrounding.
result in ignition due to leakage.
refrigerant in the atmosphere from a leak.
Area ventilation
atmosphere.
Leakage detection methods
The leakage detector shall be calibrated in a refrigerant-free area.
Make sure that the detector is not a potential source of ignition.
Labelling
The labels shall be dated.
Recovery
used.
User manual/
Installation manual
8