Air Supplied From External Source - Jetmaster INSET Installation, Operating And Servicing Instructions

entering a round d oors a nd w indows w ill s till p rofit f rom t he p rovision o f a s eparate a ir s upply a s, p roperly p laced,
this will stop or reduce cold draughts.
DO N OT s et a v entilation g rille i n t he h earth i mmediately i n f ront o f t he fi re. T he c old a ir e ntering t he r oom w ill
form a c old ' curtain' i n f ront o f t he fi re a nd m ay d estroy t he c onvection o f w arm a ir a round t he r oom.
DO N OT p lace a n a ir s upply i nlet a cross t he r oom f rom t he fi re. T he d raught o f c old a ir c rossing t he r oom w ill
scour t he r oom o f w arm a ir a nd t he o verall h eating e ffect o f t he fi re w ill b e r educed.
DO NOT set a ventilation grille in a position where they may become liable to blockage.
Where t he fl oor i s s olid, v ents n eed t o b e p rovided t hrough t he w alls i n a m anner, w hich a chieves c onditions a s
close as possible to the above, perhaps, by use of ducting or false skirting.
When bringing in the air supply consideration should be given to any regulations that would effect the position of
any ducting or ventilation grilles.

Air Supplied from External Source

The primary air can be taken from an external source from outside the building.
There is a knockout circular hole on the back of the outer box that will allow a flexible air pipe to be pushed
through t he b ack o f t he o uter b ox a nd o ver t he a ir c hamber p ipe a ttached t o t he i nner fi rebox.
With t his i n p lace t he fl exible p ipe c an b e f ed t hrough t he w all o r fl oor t o a n e xternal a ir s ource. A n o pen g rille
maybe a ttached t o t he e nd o f t he fl exible p ipe t o s top d ebris f rom b locking t he p ipe. E nsure t hat t he g rille d oes
not restrict the air supply. The air requirements are listed in the data table on page 5.
Clamp
12
Flexi Pipe
Grille