Fresh Air Type Indoor Unit; Features - Haier AB072MRERA Service Manual

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17. Fresh Air Type Indoor Unit

Connection condition: The Fresh Air unit can be independently connected with outdoor unit or connected together

with common indoor units.

The fresh air unit can be installed with common indoor units to introduce outside fresh air into inside room; So it can

realize both air-conditioning and fresh-air function in one system.

Operation Range:

Cooling mode: 19-42°C;

Heating mode: -5-18°C;

Fan mode: outdoor ambient temp. above 0°C

1. In cooling mode, when inlet temp is lower than 19°C, Fresh Air unit will enter Fan mode automatically; when inlet

temp. is higher than 43 °C, the system will run as much as possible, or stop for system protection.

2. In heating mode, when inlet temp is higher than 18°C, Fresh Air unit will enter Fan mode automatically; when

inlet temp. is lower than -5°C, the system will run as much as possible, or stop for system protection.

The outdoor units which can connect with the fresh air type indoor units are as follows:

Outdoor series

MRVIII-C (T1 380V)

MRVIII-C (T1 208-230V)

MRVIII-C (T1 460V)

MRVIII-C (T3 380V)

MRVIII-C PLUS (DC)

MRVIII-C PLUS (AC)

MRVIV-C (T1 380V)

MRVIV-C (T3 380V)

Outdoor model

AV08/10NMVESA, AV*IMVESA

AV*IMSEVA(A)

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