Lennox VEOA042N432U, Installation & Operation Instructions

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Multi Variable Air Conditioners Fresh Air Series Indoor Unit
3
If anything abnormal happens
(such as burning smell), please
power off the unit and cut off
the main power supply, and
then immediately contact LENNOX
appointed service center.If
abnormality keeps going, the
unit might be damaged and
lead to electric shock or fire.
User is not allowed to
repair the unit. Fault
service may cause
electric shock or fire
accidents. Please contact
LENNOX appointed service
center for help.
Any personal injury or property loss caused by improper installation, improper debug,
unnecessary repair or not following the instructions of this manual should not be the
responsibility of
LENNOX .
2 Product Introduction
2.1 Unit Introduction
VRF fresh air series indoor unit is a kind of air processing unit that inhales the fresh air
from outdoor side and then processes it to provide for the user in the room. According to the
different selected air volume, there are two kinds of connection method for the VRF fresh air
series indoor unit:
（
1
）
If the selected air volume≤2500m 3 /h, connect with normal indoor units by blow method,
or connect with the fixed outdoor unit as shown in
（
2
）
.
Model of Indoor Unit Model of Outdoor Unit
VEOA042N432U
Connecting condition with VEOA-**N432U (or VEP-**N432K) ;
series modular outdoor unit:
1
）
The total capacity of connected fresh air series indoor units and
conventional VRF indoor units must be within 50%~100% of the capacity of
outdoor unit, among which, the total capacity of connected fresh air indoor
units cannot exceed 30% of the capacity of outdoor unit.
2
）
Fresh air indoor units can operate independently. The total capacity of
connected fresh air indoor units cannot exceed 50%~100% of the capacity
of outdoor unit.
VEOA048N432U
VEOA076N432U
VEOA084N432U
VEOA096N432U
NOTE! When fresh air series indoor units and conventional VRF indoor units will be
connected, please follow the capacity requirement strictly. The total capacity of connected
fresh air indoor units cannot exceed 30% of the capacity of outdoor unit, while the total capacity
of indoor units shall be within 50%~100% of the capacity of outdoor unit. Otherwise, the
comfortableness will be affected or even the unit will be damaged.