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See Table 1 for kit information. Also use metal or class I
supply and return air plenums.
Model
018, 024, 030
036, 042, 048, 060
Table 1.
IMPORTANT
installed in a NAMV1
circuit breakers must be rotated 180° to the UP position.
See ECBA25 installation instructions for more details.
Condensate Drain
IMPORTANT
in the condensate drain lines (primary and auxiliary,
through the drain lines into the air supply.
IMPORTANT
pipe to the outside of the building, is required in all
pan. In some localities, local codes may require a
secondary drain pan for any horizontal installation.
Sloping The Unit
507789-02G / 31-5000673-1
Kit Number
Y9658
Y9659
Issue 2336
THIS CORNER SHOULD BE 5/8" (+/- 1/8") HIGHER
THAN DRAIN CORNER
DRAIN CORNER
Figure 6. Sloping the Unit for Proper Drainage
Install Condensate Drain
connections.
IMPORTANT
On some pans, the primary and secondary drain holes
have knockouts.
1.
NAMV1
includes green (main drain) and red (secondary drain)
UNSCREW PLUGS
AND CONNECT
PROPERLY SIZED
FIELD-PROVIDED
FITTINGS AND
DRAIN LINES.
GREEN MAIN
DRAIN PAN
DRAIN PLUG
Figure 7. Drain Line Connections
2.
and connect primary drain line to the main drain pan
connection.
NOTE:
3.
If the secondary drain line is to be used, remove the
plug or the knockout and route the drain line so that
requirements on the secondary drain line.
RED SECONDARY
DRAIN PLUG
Page 7 of 24
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