Lennox BALTIC Series Application Manual page 66

arrangements drawings
1D DOWN SUPPLY AIR
1F FRONT SUPPLY AIR
2D DOWN RETURN AIR
2F FRONT RETURN AIR
3 FRESH AIR
4F FRONT MAIN POWER ENTRY
4D DOWN MAIN POWER ENTRY
5F FRONT HOT WATER ENTRY
BGK
BDK
5D DOWN HOT WATER ENTRY
6 GAS SUPPLY INLET
7I OUTDOOR COIL INLET
7O OUTDOOR COIL OUTLET
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8 EXTRACTION
9 SMOKE OUTLET
10 CONDENSATE DRAINAGE