Allied A95UH1E - Evaporator Coil Using a Common Drain

507276-03 Page 37 of 59Issue 1621
Evaporator Coil Using a Common Drain
Figure 55
Figure 56
Evaporator Coil Using a Common Drain
Piping from furnace and evaporator coil must slope down a minimum 1/4” per ft. toward trap.
Condensate Trap with Optional Overow Switch
Figure 54
When combining the furnace and evaporator coil
drains together, the A/C condensate drain outlet must
be vented to relieve pressure in order for the furnace
pressure switch to operate properly.
WARNING