4
443 06 5102 01
Specifications subject to change without notice.
Collector Box Removal
1. Remove the screws that secure the collector box to the
heat exchanger cell panel and set aside.
2. Remove collector box gasket and discard.
Collector Box Installation
1. Verify old collector box gasket has been removed from
heat exchanger.
2. Remove adhesive backing from collector box gasket and
align gasket on the collector box.
3. Attach the gasket to the collector box.
4. Remove the adhesive backing from the condensate trap
gasket.
5. Attach the gasket over the drain outlets on the collector
box.
6. Repeat the procedure for the drain outlet.
NOTE
: There is a slot on each side of the front panel of the
condensing heat exchanger. The collector box has alignment
tabs on the back that fit into the slots on the condensing heat
exchanger panel.
7. Align the tabs on the collector box to the slots
condensing heat exchanger.
8. With the collector box fully seated against the
condensing heat exchanger cell panel, install the screws
through the collector box.
!
CAUTION
UNIT OPERATION HAZARD
Failure to follow this caution may result in unit damage or
improper operation.
Over torquing the screws may result in a cracked collector
box.
9. Tighten the screws with a non
−
powered screwdriver to
12 lb.
−
in. in an alternating pattern around the collector
box. Do not over
−
tighten.
Figure 2
Collector Box
A12500
Adhesive to face
Collector Box Assy.
Plug, Drain (4)
Gasket (2)
Collector Box (Base)
Adhesive on this side
Gasket, Collector Box
Collector Box Assy. (Cover with Inserts)
5
Re-attach the collector box using the screws
with washer included in the kit. Tighten the screws
with a non-powered screwdriver to 12 lb-in. in an
alternating pattern around the collector box.
Do not over-tighten.
6
3
4
1
2
Replace Inducer Assembly Gaskets
1. Remove the old gasket from around the inlet to the
inducer assembly
2. Remove the two gaskets around the drain stubs of the
inducer assembly. Verify that the surfaces around the
drain stubs are clean and smooth.
3. Remove the adhesive backing from a inducer housing
drain gasket and attach the gasket over the drain stub of
the inducer assembly
4. Repeat the procedure for the other drain stub
5. Insert the inducer inlet gasket in the groove around the
inlet of the inducer assembly
6. Verify the gasket is fully seated in the groove.
Inducer Assembly Installation
1. Verify any remaining gaskets on the collector box are
removed and discarded.
2. Verify the inducer assembly has gaskets on the drain
stubs and at the inducer inlet.
3. Verify the Inlet Choke Plate (when used) is installed on
the in
l
et opening of the inducer.
4. Align the tabs on inducer assembly to the brass inserts
on the collector box.
5. Insert the mounting screws by hand through the tabs to
secure the inducer to the collector box. Remember there
is a mounting tab located under the vent elbow.
6. Tighten the screws in an alternating pattern by hand. Do
not use a screw gun or over
−
tighten the mounting
screws.
