Converting 3.5 to 4.0 – VBM Dual Boiler
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- cut tiewrap #1
- unplug #2 and #3
- unscrew #4
- unplug #3b and replace with #2
- unscrew #5
- unscrew #9 and #10 to remove frame #8
- take note of all wires attached to old brain unit
- take note of all wires attached to old brain unit
- This is part # ELETDOSPIDDS12015
- take note of all wires attached to new brain unit
- take note of all wires attached to new brain unit
- new braint unit on top / old brain unit on bottom
- #11 --> #11b
- #12 --> #12b
- #13 --> #13b
- #14 --> #14b
- #7 --> #15
- new brain unit on left / old brain unit on right
- #23 --> #23b
- take note of all wires attached to new brain unit
- this is part #
- #25 long end links to #20? gray on the other end
- #26 short end link to #21? blue on the other end
- #20 gray wire links to #25 long on the other end
- #21 blue wire link to #26 short on the other end
- this is part # RELESTATICODS
- #27 & #28 long screw side / load 1 & 2
- #26 --> #27
- #25 --> #28
- #29 & #30 short screw side / load 3 & 4
- #32 black wire screws into load 4
- #33 red wire screws into load 3
- #34 is the cover for relay
- #35 is the frame for the brain unit
- #34a and #34b hold the cover for the relay
- #35a and #35b hold the frame for the brain unit
- #36a and #36b hold the relay – note these 2 won’t be easily removed until you remove the cover #34
- now you can move the frame #35 to the side and remove the relay cover #34
- now you can hold the nuts #36c and #36d to remove the screws
- The new relay will be placed next to the old relay. You will need to drill 2 new holes so both relays can be mounted.
- First put the 2 relays together. Then measure the distance between the openings where the mounting screws go.
- The new holes you will drill is located in the circles as indicated in the picture to the right
- Measure existing hole for installed relay from a common point, ex right side and top side. Transfer those measurements 1 3/4 inches away from existing holes.
- Drill new holes.
- WARNING: Make sure any parts and wires are cleared on the other side.
- In order for the old relay to fit with the new cover, the wires on load 1 and 2 need to be rotated
- Here is a picture of the new positioning of the wires on load 1 and 2
- Place the old relay inside the machine aligning with the new drilled holes.
- Place the new relay inside the machine next to the old relay.
- Plug #31 into the connection next to #13b
- Place new cover over the relays
- 2 new holes need to be drilled to mount the new cover in place.
- Mark the 2 holes as indictated in the picture.
- Drill new holes.
- WARNING: Make sure any parts and wires are cleared on the other side.
- Insert the new relay cover in and screw in place.
- You can also screw back in the brain unit frame.
- Now we need to modify the power switch.
- Unscrew the switch using an allen key.
- Use a flathead screwdriver to remove the plastic bracket and metal frame
- Slide the see through rubber covering up to get access to the wires
- unscrew the connection with the white wires
- There are 2 white wires: 1 thick, 1 thin. Cut the thin wire.
- The white wire you just cut is tie wrapped to other wires. Slide the white wire out from the rest.
- You can now screw back the connection with the thicker white wire.
- On the heating element of the boiler, you will see a thin white wire similar to the one you cut.
- Remove the wire from the heating element.
- Cut the terminal on the end.
- Strip the white covering to reveal the wire underneath.
- Thread the wire from the switch through the heating element cap.
- Twist the 2 wires together.
- Add the terminal to the connected wires.
- Attach the newly constructed wire to the heating element.
- Reinstall the brain unit bracket.
- Contratulations! The machine has now been upgraded. Take note of how the wires are posititoned.
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