Connections; Domestic Ventilation Unit; Digital Remote Control Recovair; Condensate Drain Trap - Vaillant recoVAIR/3 SERIES Operating And Installation Manual

The recoVAIR domestic ventilation unit must be in-
stalled by a qualified expert technician, who is responsi-
ble for the observance of the existing regulations, rules
and guidelines.
This device is not designed to be used by persons (in-
cluding children) with limited mental and sensory capa-
bilities or by persons who have not enough experience
and/or knowledge, unless they are supervised by a per-
son who is responsible for their safety or have been in-
structed by him/her about how to use the device.
Children must be supervised to ensure they do not play
with the unit.
The domestic ventilation units are specifically designed
for the ventilation of residential spaces.
The remote control including the operating mode selec-
tor and the timer must only be used for controlling the
domestic ventilation unit as described in these instruc-
tions; it is not designed for any other purpose.
Due to high level of dust, operation during the construc-
tion phase is not allowed.
Any other or additional use is considered to be improp-
er. The domestic ventilation unit is not suitable for ven-
tilating swimming pools. The manufacturer/supplier
shall not be responsible for any damages resulting from
such improper use.
The user alone bears the risk.
Intended use includes the observance of the operating
and installation manual and all other applicable docu-
ments, as well as adherence to the maintenance and in-
spection conditions.
a Caution!
Any improper use is forbidden.
2.3

Connections

2.3.1

Domestic Ventilation Unit

Necessary connections:
– recoVAIR VAR 275/3: 4 x air duct connections
ø 150 mm, or alternative ø 160 mm and ø 180 mm
– recoVAIR VAR 350/3: 4 x air duct connections
ø 180 mm, or alternative ø 200 mm
– Condensed water drain G 3/4 connection for the con-
densate drain trap
– Electrical connection above mains voltage socket with
230 V 50 Hz mains voltage

2.3.2 Digital Remote Control recoVAIR

On the remote control installation site, the following ad-
ditional connections are required:
– Control cable from the remote control to the domestic
ventilation unit is a 2-core cable, with cross-section
2
0,75 mm . Maximum cable length 300 m
The connection must comply with the valid local and na-
tional rules and regulations.
Installation Manual recoVAIR/3 0020062918_03

Safety instructions and regulations 3

2.3.3

Condensate Drain Trap

The attached condensate drain trap must be connected
to the threaded tube under the device. Additionally, an
odour trap is required in the waste water system. For
hygienic reasons, between the drain traps an air gap of
at least 20 mm must be provided.
2.4

Functionality

Fig. 2.2 Air flow diagram
Key
1 Outside air (from outside)
2 Exhaust air (from the living room)
3 Fresh air (to the living room)
4 Outgoing air (to the outside)
3 Safety Instructions and regulations
3.1

Safety Instructions

Installation of the device can be only carried out by a
qualified technician. He/she will be responsible for the
correct installation and start-up.
He/she is also responsible for the inspection and the
corrective maintenance of the device as well as for the
changes in the air flow adjustment.
3.2

General requirements

3.2.1 Preliminary remarks for heat recovery
ventilation products
This appliance should only be used in conjunction with a
propriety ductwork system installed in accordance with
HVCA guide DW144 (steel ductwork) & DW154 (plastic
ductwork).
Device description 2
17