HORIZONTAL LEFT-HAND INSTRUCTIONS
Important: Read instructions below carefully.
1) With Airhandler in the vertical position, remove all
three access panels.
2) Remove J-shape metal bracket. Slide out from the Airhandler
cavity the "A" coil pan assembly with horizontal drain
pan on the right side. Remove oval gasket from
horizontal pan drain and also remove the plastic
drain cover from the lower left access panel. Fig. 1.
3) Relocate horizontal pan on the left-hand side of the
"A" coil assembly.
4) Knockouts are located within the drain assemblies.
Carefully remove only the correct knockouts using
a hammer and screw driver for each application, making
sure the primary and secondary drains are open and clear of burrs and debris. Remove
secondary drain knockout only if this drain is required in this particular installation.
WARNING: If incorrect knockouts are removed, flooding will occur.
5) Reinstall in the Airhandler, the "A" coil pan assembly with the horizontal drain pan on the
left-hand side.
Note: Push the assembly completely to the rear of the cavity and assure it slips into channel
bracket at the rear of the cavity.
6) Replace the J-shape metal bracket or brackets on the vertical drain pan and place the
plastic oval gasket on horizontal drain pan. Reinstall access panels and flowrator making
sure not to over torque screws. Snap in the drain cover on the right lower service panel.
7) The Airhandler can now be placed in its left horizontal position as shown in Fig.2. The
Airhandler must be leveled and then pitched 1/4" toward drain side. Important: Drain pan
must be tested for proper drainage by pouring water into the pan. Traps must be installed
on the primary drain and on the secondary drain if used.
8) In all cooling applications, a secondary drain pan must be provided by the installer and
placed under the entire unit with a separate drain line properly sloped and terminated in an
area visible to the user.
9)
Before setting up flowrator assembly for field brazing see page 12 or read the Warning
label on the lower access panel.
10) Failure to follow this installation requirements will cancel product warranty.
6
Fig.2
WARNING: The "A" coil contains 150 p.s.i.g. of air pressure.
Secondary Knockout
Primary Knockout
Air flow
oval
gasket
Plastic
Drain
cover
Fig.1