Aisin AXGP224E1, Technical Manual, Page: 23 / 126

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Extended the exhaust pipe according to the following procedure by referring to the figure below.
1. Remove the exhaust top from the outdoor unit exhaust port.
2. Connect the extra sections sequentially from the outdoor unit side, and extend the exhaust pipe to the
desired position following the restriction below.
• Total length of the exhaust pipe extension shall not exceed 15 m.
• Total number of exhaust pipe bends (bending angle = 90 °) shall not exceed 5 (each equivalent
length 1m).
• The extended pipe shall be anchored to the building or similar structure with fixing brackets every
1.5 to 2 m.
• The exhaust pipe shall not be gathered or connected with the other exhaust pipe.
2. Attach the exhaust top at th outlet of the extended exhaust pipe paying attention to the following:
• The angle of the exhaust vent plane shall be vertical to the ground by adjusting the elbow pipes so
that rainwater may not enter the exhaust pipe directly.
• Apply silicone caulking material at the lower part of the metal mesh in accordance with the following
figure so that the drain water may not drip from the exhaust top. (Refer to the figure below.)