2.0 Installation Instructions
2.1
General Preparation
2.1.1
The Vireo HR155WM / HR155CM unit is supplied with 4 x 125mmØ spigots.
•
125mm ducting with connectors can be used
(see Ancillary Section page 3)
to provide performance
levels required for compliance with Building Regulations.
2.1.2
The Vireo HR185WM unit is supplied with 4 x 150mmØ spigots.
•
150mm ducting with connectors can be used
(see Ancillary Section page 3)
to provide performance
levels required for compliance with Building Regulations.
2.1.3
Installation of the unit should be in accordance with the current editions of Building Regulations, NHBC
Compliance Guide and BS7671: IEE Wiring Regulations.
2.1.4
The design, material specification and installation must only be carried out by "competent persons". Electrical
installation must be carried out by a qualified Electrician.
2.1.5
IMPORTANT NOTE: Gases from fuel-burning equipment must not be drawn
into any living areas. If any room, where air is extracted, contains a fuel-
burning appliance such as a central heating boiler, then either of the following
should be undertaken:
•
The flue must be of the room sealed or balanced flue type or;
•
Allowance must be made for an adequate supply of air into the room.
2.2 Positioning
2.2.1
The Vireo HR155WM / HR185WM unit must be installed vertically and can be either wall or floor mounted to
enable effective condensate drainage in either a kitchen/service cupboard or secured to a vertical structure
in the loft space. If located within a cold space, it is recommended that the bottom of the unit is insulated to
prevent freezing around the condensate connection. Duct spigots must be upright at top of unit.
2.2.2
The Vireo HR155CM unit must be installed horizontally with the fixing brackets provided. The unit is not
intended for installation within a utility room.
5
1.2.3
Vireo HR185WM
839
60
550
Vireo HR185WM front
899
555
150
Vireo HR185WM side
Front View
Side View
