Wen 3410 Parts list manual

This is a guide to replacing the PCB on your WEN 3410 3-Speed Re ote-Controlled Air Filtration
Syste . This guide is best used in conjunction with the 3410 anual, included as a physical copy with
your unit and available on the WEN website page for the 3410 (link here), under the Downloads tab.
If at any point you need assistance, have questions, or want to order parts, call WEN custo er service
at 1-800-232-1195, M-F, 8-5 Central Ti e, or e ail [email protected] .
Table of contents
•Disasse bling the unit………….……………………………………………………………….1
•Choosing the correct PCB……………………………………………………………………….1
•Replacing the PCB…………..…………………………………………………………………..2
Disassembling the unit
You will need:
•A Phillips-head screwdriver
•Cutting pliers (diagonal-cutting or flush-cutting)
•Needle-nose pliers, adjustable pliers, or a ratcheting socket wrench and sockets
You ay want:
•A heat gun. We reco end the WEN 2020 1500W Dual-Te perature Heat Gun Kit, available
for purchase online.
Choosing the correct PCB
•Refer to the Parts List and exploded view in the back of your anual for the correct part
nu ber for your PCB and re ote control. However, if the anual is not available, or you are
unsure, refer to Table 1 below. Refer to the remote ORIGINALLY included ith your unit.
•NOTE: this guide is written with newer 3410 units in ind. Steps ay be si ilar for older
units, but ay not necessarily be identical. Call 1-800-232-1195 with questions.
IF YOUR REMOTE LOOKS LIKE THIS… CHOOSE THESE PART NUMBERS
Re ote with bu ps on the botto .
•Re ote part nu ber: 90243-029
•PCB part nu ber: 90243-046
•Control syste : infrared
White re ote with black top
•Re ote part nu ber: 3410T-AS03
•PCB part nu ber: 3410T-045
•Control syste : radio frequency

Black re ote with RF logo in the botto left
corner of button area
•Re ote part nu ber: 3410-029RF
•PCB part nu ber: 3410-046RF
•Control syste : radio frequency
NOTE: The re ote and PCB can be replaced with
parts 3410-029RF-01 (re ote) and 3410-046RF-01
(PCB) in a set. Remote 3410-029RF ill not ork
ith PCB 3410-046RF-01, and remote 3410-029RF-
01 ill not ork ith PCB 3410-046RF. Call 1-800-
232-1195 ith questions.
Black re ote, square edges, with part nu ber in
botto left corner of button area
•Re ote part nu ber: 3410-029RF-01
•PCB part nu ber: 3410-046RF-01
•Control syste : radio frequency
NOTE: if you are having proble s with your unit
turning itself on and off see ingly at rando ,
select this PCB/re ote co bination.
Table 1. Choosing re ote and PCB. If you are uncertain about which re ote and PCB co bination
you need, call 1-800-232-1195 M – F 8a-5p CST, or e ail [email protected] .
Replacing the PCB
1. Re ove the power cord and plug fro any and all power sources. AVOID ELECTRIC SHOCK.
FOLLOW ALL APPLICABLE SAFETY PROCEDURES LISTED IN YOUR OWNER’S
MANUAL.
2. Stand the unit on its back end, as shown in Figure 1 below.
Figure 1: The unit is stood on its back end.

3. Using the Phillips head screwdriver, re ove the ten screws found around the peri eter of the front
panel, as indicated by the red arrows in Figure 2 below.
4. Set the screws aside. Look on the top of the unit near the handle. Notice the grounding bolt shown in
Figures 3 and 4 below.
Gently lift the front panel up and slide it towards the botto of the unit. This exposes the inside of the
grounding bolt, shown in Figure 4 below.
Figure 2: Remove these ten screws.
Figure 3: Grounding bolt, indicated by green arrow.

5. Using the Phillips-head screwdriver, as well as so ething to hold the nut shown in Figure 4 above
(pliers, socket, adjustable wrench, etc.), loosen and re ove the nut, then re ove the grounding wire
and bolt. Do not drop the washers. If you do drop the , retrieve the fro the grating, or turn the unit
over. If need be, re ove the inner and outer filter. This will let you retrieve the washers fro the
botto .
6. Set the front panel asse bly face-down on the work surface, aking sure the power cord is not bent
where it eets the front panel. Let it hang off the work surface.
7. Check the wiring connections to the PCB, as shown in Figure 5 below. If they do not atch what is
shown in Figure 5 below, correct the .
Figure : Inside of grounding bolt.
Figure 5: Wired connections to PCB. From left to right: blue, black, red, and white go in slots 1, 3, 5,
and 7 (respectively) of the -wire connector shown on the left. The black and white wires go in slots 1
and 3 (respectively) of the 2-wire connector shown on the right.

8. Push the tabs on the 4-wire and 2-wire connectors to release the fro their sockets on the PCB.
Move the out of the way.
9. Flip the unit over so that the front control panel is accessible. You ay want to prepare a heat gun
(without any nozzles or other attach ents) for use on this step. We reco end the WEN 2020 1500W
Dual-Te perature Heat Gun Kit, available for purchase online. On the lowest heat setting, evenly
war the adhesive sticker on the front panel, outlined in yellow in Figure 6 below. CAUTION: HEAT
GUNS ARE HOT. Observe all safety precautions listed in your heat gun’s o ner’s manual. Do
not allo the heat gun’s nozzle or body to come into contact ith your skin or any portion of your
3410 air filtration system.
This exposes the underside of the panel. Using the Phillips-head screwdriver, re ove the two screws
indicated by red arrows in Figure 7 below.
Figure 6: Remove the adhesive sticker outlined in yellow.
Figure 7: Remove these screws.

10. Re ove the PCB and housing fro the rear of the control panel. Refer to Figures 8 and 9 below.
Using the cutting pliers, carefully cut only the zip tie that secures the radio antenna to the housing.
11. Flip the housing over. Using the Phillips head screw, re ove the two screws indicated by yellow
arrows in Figure 10 below. Lift out the PCB.
12. Replace the old PCB with the new PCB. If applicable, ake sure the radio antenna goes through
the hole in the back of the housing. You ay choose to secure it with a zip tie if desired, but this is not
required.
13. Re-asse ble the unit by following the above steps in reverse order. Press the label that was
re oved in step 9 back into its original location. When re-asse bling the grounding wire and
grounding bolt (refer to steps 4 & 5, Figures 3 & 4), asse ble it in the order shown in Figure 11 below
(fro left: nut, locking washer, flat washer, grounding wire, serrated washer, housing, bolt).
Figure 8: Cut the zip tie. Figure 9: Zip tie has been cut.
Figure 10: Remove these two screws.

QUESTIONS? CONCERNS?
CALL OUR CUSTOMER SERVICE HOTLINE AT 1-800-232-1195, M – F, 8 – 5
CENTRAL TIME, OR EMAIL TECHSUPPOR[email protected].
Figure 11: Assemble grounding bolt as shown here.