29
ENGLISH
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 HRI Mini 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 but
it MUST be noted, in ‘BOOST’ mode, might increase noise levels.
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.
Summary of Contents for HRI MINI
Page 22: ...22 ITALIANO SCHEMA ESPLOSO Figura 21 Schema esploso HRI MINI 21...
Page 42: ...42 ENGLISH EXPLODED DIAGRAM Figure 21 HRI MINI exploded diagram 21...
Page 62: ...62 MAGYAR ROBBANTOTT BRA 21 bra HRI MINI robbantott bra 21...
Page 82: ...ESPA OL VISTA EN DESPIECE ORDENADO Figura 21 Vista despiezada 21 82...
Page 85: ...Note...