Haier AB072MRERA Service Manual page 572

Conspicuous but innocuous smell may ensue during first run of the unit. The smell will disappear as the unit is more
frequently operated.
ERV0150ANN, ERV0260ANN
ERV0500ANN, ERV0800ANN, ERV1000ANN
Inlet fan (volute)
SA (send air)
[indoor supply]
RA (return air)
[indoor waste gas]
CATUION
Service port: to facilitate
maintaining air screen,
heat exchanger and
electric control cabinet.
Air door electric motor
564
Heat exchange device
OA (outdoor air)
[fresh outdoor air]
EA (exhaust air)
[exhaust air outdoor]