How to install a split system air conditioner<br>Select an unobstructed location on your interior wall to mount the indoor air conditioning unit. [substeps] Avoid direct sunlight and heat sources. Avoid locations where gas may leak or where oil mist or sulphur exists.
This type of air conditioner is the same as every other one, they should never be near gas no matter what brand you have. 
Based on the text, we cant infer beyond a reasonable doubt that indeed it is necessary to keep every brand of air conitioner away from gas. 
( z1 same :ARG1 ( z2 type :mod ( z3 air-conditioner ) :mod ( z4 this ) ) :ARG2 ( z5 type :mod ( z6 other :mod ( z7 every ) ) ) :ARG0-of ( z8 cause :ARG1 ( z9 recommend :ARG1 ( z10 near :polarity - :ARG1 z2 :ARG2 ( z11 gas ) :time ( z12 ever ) :ARG1-of ( z13 regardless :ARG2 ( z14 brand :ARG1-of ( z15 have :ARG0 ( z16 you ) ) ) ) ) ) ) )