Freezer to Refrigerator Conversion/Manufacturing Instructions: Difference between revisions
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| Line 28: | Line 28: | ||
*using a stepped drill bit, cut two holes on opposite sides of the box. | *using a stepped drill bit, cut two holes on opposite sides of the box. | ||
** | **centered about 1"inch below edge of box | ||
*drill a 5/32 hole for the thermister signal wire | *drill a 5/32 hole for the thermister signal wire | ||
| Line 49: | Line 49: | ||
*using double sided stick strip, attach relay in place | *using double sided stick strip, attach relay in place | ||
*wrap electrical tape around male pins out of bottom of arduino if necesaary | |||
===4. crimp connections=== | ===4. crimp connections=== | ||
| Line 54: | Line 56: | ||
*study the wiring harness diagram | *study the wiring harness diagram | ||
*start with the extension cord wires. | *start with the AC extension cord wires. | ||
**fit check the wires into place, then cut as needed. | **fit check the wires into place, then cut as needed. | ||
*crimp ends as noted in diagram | |||
*crimp green AC ground wires back togther | |||
*crimp jumper wires as noted in diagram | |||
**wrap resistor and adjoining connections in electrical tape | |||
===5. install connections=== | |||
*connect AC lines to relay screw terminals. look for the squigly line symbol (~). | |||
*using a small blade screw driver, expand the yellow female connectors slightly | |||
*slide yellow connectors on to the wall wart. polarity does not matter. | |||
Revision as of 00:19, 22 April 2018
Safety Check
- Goggles
Tool Check
- drill
- stepped drill bit
- crimp tool
- wire cutter
- small blade screw driver
- phillips screw driver
Inventory Check
See BOM
Step by Step
1. drill holes
- measure the diameter of the extension cord that will be used.
- using a stepped drill bit, cut two holes on opposite sides of the box.
- centered about 1"inch below edge of box
- drill a 5/32 hole for the thermister signal wire
2. place and cut wires
- cut extension cord for desired lengths. in half is fine.
- run about 8 inches of cord into holes.
- tie cord in a knot. pull knot firmly against the side of the box.
- strip off shielding, leaving about half an inch past knot.
3. fit check
- place the wall wart, relay switch and microcontroller into box.
- confirm that the usb cable can reach the microcontroller.
- using double sided stick strip, attach relay in place
- wrap electrical tape around male pins out of bottom of arduino if necesaary
4. crimp connections
- study the wiring harness diagram
- start with the AC extension cord wires.
- fit check the wires into place, then cut as needed.
- crimp ends as noted in diagram
- crimp green AC ground wires back togther
- crimp jumper wires as noted in diagram
- wrap resistor and adjoining connections in electrical tape
5. install connections
- connect AC lines to relay screw terminals. look for the squigly line symbol (~).
- using a small blade screw driver, expand the yellow female connectors slightly
- slide yellow connectors on to the wall wart. polarity does not matter.