Lennox BCK 020 Installation Operating & Maintenance Manual page 22

INSTALLATION ON A ROOF MOUNTING FRAMES
MULTIDIRECTIONAL HORIZONTAL
ROOFCURB
2F'
2F
1F'
1F
1F
Front supply air
1F'
Front supply air
2F
Front return air
2F'
Front return air
1F
2F
2F'
BGK
040
BDK
(*) This roofcurb is also necessary for all cooling only or heatpump
rooftop with auxiliary electric heater or hot water coil.
2F'
1F'
WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES :
2F - 1F / 2F - 1F'
2F' - 1F / 2F' - 1F'
IOM / ROOFTOP BALTIC Series - 0803 - E Page 21
045 050
1F'
1F
2F
2F'
1F