WARNING:
The "A" coil contains 150 p.s.i.g. of air pressure
Fig . 3
REFRIGERANT TUBING
CONDENSATE REMOVAL
The total workable height of this trap, in inches, must exceed the total negative pressure,
in inches of water, as measured in the return duct.
THIS AIR HANDLER EMPLOYS A DRAW-THROUGH COIL, THEREFORE A LIQUID SEAL
TRAP MUST BE INSTALLED IN THE DRAIN LINE(S) TO ALLOW FOR OR PROPER
CONDENSATE REMOVAL.
The condensate trap must be a "P " trap as shown bellow.
T
he condensate drain line must be at least 3/4 NPT, for each unit. Use caution when tightening the
adapter at the drain pan connection, to prevent damage to the plastic drain pan. A joint compound
should be used to prevent leakage and act as a lubricant.
Refrigerant tubing should be installed so that it is properly supported, sized and sloped. The vapor
sealed. The insulation should terminate
at the tubing entrance to the air handler. Do not reduce
and liquid lines must be supported or routed to avoid strain or vibration. To avoid damage that can
be caused by condensation, insulate the
suction tube with a closed cell insulation with the seams
the recommended tubing size.
Fig. .6 -7
Fig.6-
8
Central Air Conditioning Model: Air Handler, HB-D series
14