ICP N9MP1 Service Manual page 38

Service Manual
Route the hose to the smaller drain stub on the condensate trap. Cut
off excess hose and discard. Connect the hose to the drain stub on
5
the trap and secure with a
Figure 45
Downflow Installations (Dual Certified *9MPD- -A2 Models)
DRAIN SIDE VIEW
Rotate downward
20° ° ° ° to 30° ° ° °
Downflow Installations - (Dual Certified *9MPD Models
Note: For easier installation of the drain hoses and clamps to the
condensate trap, follow the directions outlined below except do not
make any clamp connections to any of the drain stubs and hoses
until the hose routing and lengths have been determined. Remove
the condensate trap and drain hoses from the furnace and secure
the drain hoses to the drain stubs on the trap with the hose clamps
(position the clamps as shown in Figure 45). Install the condensate
trap/hose assembly to the furnace casing. Hook one side of the
440 08 2001 02
/ ² clamp.
8
NOTE: TRAP MUST BE PRIMED BEFORE OPERATION
LEFT Side Venting
Return Air
Pressure Switch
Hose, Transition
Some Models
have one
pressure switch
Combustion Blower
Mounting Screws (4)
Supply Air
NOTE: Ensure hoses maintain a downward slope to the conden-
sate trap with no kinking or binding for proper condensate drainage.
RIGHT Side Venting
Return Air
Combustion Blower
(Rotate 180° ° ° ° for Left Side)
Pressure Switch,
Transition
Transition
Box
Pressure
Switch,
Blower
Pressure
Switch
Hose,
Blower
3
/ ² ² ² ² Hose
4
& Clamps
Supply Air
) (See Figure 45)
"clamp ears" on the drain stub through the hole in the casing and
push the condensate trap into position. Secure with the two screws.
Reconnect the drain hoses to the stubs on the vent fitting and the
plastic transition and secure with the clamps.
Mount the condensate drain trap in a vertical position to either the
right or left side of the furnace using the two screws and gasket that
are provided. If needed, remove the hole plugs from the furnace
36
Single Stage Multi Position Furnace
Air Intake
Combustion
Coupling
Air Pipe, (Optional)
Yellow
Plastic Cap
Plastic
Cap
Plastic Caps
5
/ ² ² ² ² Hose &
8
Clamps
Gas Pipe Grommet
Drain Line
Trap Connection
dwg 25--23--56
Preassemble
and insert
into furnace
Vent Pipe
Vent Pipe
Grommet
Vent Fitting
& Clamps
Condensate
Trap & Gasket
"Clamp ears"
Pointed OUT