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For ease in installation, it is best to make any necessary
place.
Refrigerant Metering Device
NAMV1
expansion valve.
UP-FLOW /
DOWN-FLOW
DRAIN PAN
Figure 1.
1.
The air handler must be supported on the bottom only
frame.
2.
horizontal drain pan.
NOTE:
3.
Place the unit in the desired location and slope unit.
Connect return and supply air plenums as required
4.
Install units that have no return air plenum on a stand
air return.
Horizontal Applications
IMPORTANT
When removing the coil, there is a possibility of danger
of equipment damage and personal injury. Be careful
in right- or left-hand applications. The coil may tip into
the drain pan once it is clear of the cabinet. Support the
507789-02G / 31-5000673-1
HORIZONTAL DRAIN PAN
(MUST BE REMOVED)
Issue 2336
NOTE:
NOTE:
Right-Hand Discharge
1.
connections.
2.
With access door removed, remove drain line plugs to
install drain lines.
3.
end of the unit and level from front to back of unit (see
Figure 6).
4.
Drip
Shield
Drains
RIGHT‐HAND DRAINS
Figure 2.
5.
If the unit is suspended, the entire length of the cabinet
must be supported. If you use a chain or strap, use a
piece of angle iron or sheet metal attached to the unit
air plenums as required.
ANGLE IRON OR SHEET
METAL
MAXIMUM 1/2"
LONG SCREW
AIR FLOW
FRONT
V
E I
W
Figure 3. Suspending Horizontal Unit
AIR FLOW
PLUGS
E
ANCE 4 IN. (102 MM)
E
N
D
V
E I
W
Page 5 of 24
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