Lennox BCK 020 Installation Operating & Maintenance Manual page 20

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'
WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES :
2F - 1F / 2F - 1F'
2F' - 1F / 2F' - 1F'
BGK
020 025
BDK
(*) This roofcurb is also necessary for all cooling only or
heatpump rooftop with auxiliary electric heater or hot
water coil.
2F'
1F'
IOM / ROOFTOP BALTIC Series - 0803 - E Page 19
1F
1F'
2F
2F'
1F