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PREPARATION & POSITIONING
DUCTING INFORMATION
It is an advantage to have all the compatible ductwork already installed and ready to connect to the appliance spigots.
Ducting passing through unheated roof voids must be insulated. Ducting runs should be as straight as possible and the
horizontal exhaust ducting should always slope downwards from the unit.
The recommended types of ducting are:- rigid plastic and spiral wound duct.
For any exhaust duct passing through a roof use a suitable Vertical Terminal or Ridge Terminal. For exhaust/supply
terminals in high rise applications a purpose designed, high rise terminal MUST be used.
POSITIONING THE UNIT
Ensure there is adequate access for installation and maintenance. Ensure the selected electrical mains wiring has as an isolator near
by for servicing.
NOTE: The appliance is for suspended applications only.
This unit is typically installed in a ceiling void, but if this is not practicable it can be positioned in the loft or any other suitable location.
Also make sure when choosing the location to take into consideration the accessibility of the control, the exhaust exit position, the
electrical services, and the required RH path for the condense drain.
It is the responsibility of the installer to ensure that all aspects of the system design are taken into consideration. The system is designed
as a ducted unit and should only be used in ducted situations. Ensure ductwork is supported throughout it's length.
The unit has 4 connection spigots and each one is labelled. Ensure that the correct duct is connected to the appropriate spigot.
Consideration must be given to access and servicing. The servicing of the fans and the cleaning of the heat exchanger should be carried
out annually. Filters are to be cleaned as required.
PLEASE NOTE: A clear space of at least 500mm x 500mm is required to allow the cover to be removed and provide sufficient access
for maintenance.
SPIGOTS
The unit is supplied with 100mm/125mm spigots. For satisfactory operation of the unit, ensure ducting used is as detailed on the design
drawing. Any deviation from the design drawing could lead to noise increase on boost.
NOTE: In situations where it is either not possible or not desirable to use 125mm ducting, 100mm ducting can be used.
CONDENSATE
IMPORTANT: At times the unit will produce condensate which MUST be drained away. The unit is provided with a drain connection.
When using the condense adapter, you MUST use Rigid PVC-U ¾"/19mm push fit pipe.
IMPORTANT: DO NO USE A SOLVENT WELD on this joint. This joint has to be disconnected when removing the heat exchanger for
periodic servicing and maintenance.
When using 10mm flexible condense pipe, cut the condense adapter off and use the straight hose connector supplied. Do not leave any
kinks in the condense pipe.
The unit has a condense anti flood device built in.
NOTE: Fan will stop and a red LED will flash once every 3 seconds if the condense drain path is blocked and unit goes into anti flood
mode.
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