The outdoor unit 39 wherein said connector means comprise {TAIL ~ a plurality} of bayonet connections passed through the larger of {HEAD ~ said stepped openings} into the releasable engagements with the smaller of said stepped openings, respectively 
The outdoor unit 39 wherein said connector means comprise { TAIL ~ a plurality } of bayonet connections passed through the larger of { HEAD ~ said stepped openings } into the releasable engagements with the smaller of said stepped openings , respectively
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH