NuAire ECOHEATEX-2 Installation And Maintenance

1.0 Introduction

The unit consist of an extract fan, a cross-flow heat-
exchange unit, a by-pass damper and an intelligent
control system. It is designed to be used in conjunction
with a Nuaire Positive Input Ventilation unit (PIV) to
form a supply and extract system with heat exchange.
The PIV unit may be a Drimaster, Drimaster 2000 or
Sunwarm Tile 1 or 2. The unit may also be used with a
Nuaire Sunwarm system, where it would connect in
place of the PIV unit.
Figure 1.
Extract from wet rooms.
Note that
extract
grilles
must be
fitted with
filters
Supply
This manual will only provide the installation details of the
heat exchange unit. Please refer to the relevant manual for
installation details of the relevant PIV unit.
Drimaster Leaflet number 671104
Drimaster 2000 Leaflet number 671109
Sunwarm Tile 1 or 2 Leaflet number 671380
The bypass damper will open (i.e. no heat exchange will
take place) when the following conditions are met.
The supply air inlet temperature is hotter than the extract
air inlet temperature and the user control is demanding hot
supply air temperature.
The supply air inlet temperature is cooler than the extract
air inlet temperature and the user control is demanding cold
supply air temperature.

2.0 Installation

I nstallation must be carried out by competent personnel
in accordance with the appropriate authority and
conforming to all statutory and governing regulations.
The unit must be fitted/mounted on roof joists using AV
mounts (See figure 2 and 3). Details of this procedure and
Nuaire Limited Western Industrial Estate Caerphilly United Kingdom CF83 1NA
T: 029 2085 8400 F: 029 2085 8444 E: info@nuaire.co.uk W: www.nuaire.co.uk
ECOHEATEX-2
Heat Exchange Unit
Installation and Maintenance
Installation of the diffuser can be found in any of the three
Installation and Maintenance leaflets listed previously.
Figure 2. Heat exchange unit shown linked to DRIMASTER
or DRIMASTER 2000 PIV unit mounted on roof joists using
AV mounts.
Heat exchange unit
Intake from
supply fan
Discharge to
outside
Figure 3. Heat exchange unit shown linked to
2
Heat exchange unit
1
Diffuser
drimaster ecosmart
low energy home ventilation
Power Status
Control 773802 To be ordered separately
PIV unit mounted on roof joists using AV mounts.
Data link between heat
exchange unit and supply fan
Diffuser
The EMC Directive
2004/108/EC
The Low Voltage
directive
2006/95/EC
PIV unit
Sunwarm Tile 1 or
PIV unit
drimaster ecosmart
low energy home ventilation
Power Status
Control as supplied with
Sunwarm Tile 1 or 2 PIV
unit.
11. 06. 15. Leaflet Number 671402