fIGURE 6 – Drain Trap
90-961
MECHANICAl INSTAllATION
(CONTINUED)
DRAIN
1 . Adjust feet of dehumidifier to allow a 2-1/2” minimum clearance
for drain trap . See
figure 6
. Use the 90° elbow if necessary for
clearance restrictions . See
figure 7
.
2 . Use PVC primer and cement for drain assembly to the dehumidifier
drain outlet .
3 . Complete assembly by piping the 3/4” PVC trap to a drain or
condensate pump . Make sure the drain line has a constant
downward slope and is not kinked .
4 . To prime the drain trap and to verify the drain line is not blocked,
slowly pour a pint of water into the dehumidifier drip pan located
below the coil .
CAUTION
1. Drain trap must be primed with water before use.
2. A condensate pan with a float switch is required in attic
installations.
High Side
Low Side
Drain Outlet
Drain Trap
2-1/2
Arrows on
trap show
water flow
direction
fIGURE 7 – Drain Trap with 90° Elbow
90-961
High Side
Low Side
Drain Trap
90° PVC Elbow
fIGURE 8 – float Switch Wiring
If the dehumidifier is installed in an attic or another location requiring
leak protection, the unit should be placed in a condensate pan with
a normally closed, condensate overflow safety switch (float switch) .
Remove the jumper from the float switch terminals on the control board
and wire the float switch to the terminals . See
figure 8
.
FLOAT
SWITCH
LOW VOLTAGE NORMALLY
CLOSED FLOAT SWITCH
90-1429
flOAT SWITCH
6
