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Descripción
This guide provides a safety-focused method for installing a 115V/220V AC chamber heater on a Creality K1 series or any Klipper-based printer. The design emphasizes multi-layered safety, including a relay that ensures the heater only activates if the fan is operational, a normally closed thermostat to cut power at 75°C, and an inner sensor to shut down Klipper if the element exceeds 125°C. An AC voltage fuse is also included for protection.
Practical uses include maintaining specific chamber temperatures for advanced printing materials. The author notes they typically operate up to 60°C, but users must configure sensors and temperature settings in the provided CFG file to suit their specific requirements.
Included parts/components required:
- Qibi Plus 4 115/220V Chamber Heater (or a custom Nylon heater)
- BTT SKR Pico, Mellow Micro 4, or compatible printer motherboard pins
- 24V 30A One Channel Relay Module
- 40A Heat Sink SSR (Solid State Relay)
- Bimetal Temperature Control Switch Thermostat 75°C N.C (KSD9700)
- NTC 100K 3950 Thermistor
- Inline Screw Type Fuse Holder with Fast Blow Glass Fuses
- 14-16 gauge wire
Assembly guidance:
Users must disconnect the printer from AC power before proceeding to avoid serious injury. The heater fan should remain active until the chamber sensor reaches 40°C to ensure the element cools down. For Klipper integration, the [heater_generic chamber_heater] section must be present in printer.cfg. In Orca Slicer, users should select 'Chamber temperature' and enable 'Activate temperature control.' The author does not specify the physical placement of the heater; users must select a suitable location.
Texto original del autor en Printables
<p><strong>WARNING: Disconnect your printer from AC power before proceeding. Death or serious injury may result from attempting to work on your printer while it is plugged into AC power.</strong></p><p>How to install a chamber heater the safe way</p><p>My main gold is to make the chamber heater as safe as possible. The setup as multi safety for the 115v/220v heater element: </p><ul><li>40 amp SSR</li><li>heater element control by a relay that connected to the heater fan (this make the heater element go on only if the fan is working)</li><li>Normally close thermostat that open at 75℃ to close the heater element</li><li>Inner sensor for shutting down klipper if heater element passed 125℃ </li><li>Fuze on ac voltage.</li><li>HeaterFan will stay on in till the chamber sensor reaches 40°C. This will make sure the heater element is getting cold off will it turn off</li></ul><p>YOU NEED TO CHOSE THE SENSORS AND TEMPETURE SETTING IN CFG FILE TO FIT YOUR NEED, I ONLY GO UP TO 60℃ IN MY CHAMBER</p><p> </p><p>Disclaimer: Use at Your Own Risk<br>I am not responsible for any damage caused by this mod. Proceed at your own risk.</p><p>Bom list:</p><ul><li>Qibi Plus 4 115/220v Chamber Heater (chose your voltage for your country) or make your own (use Nylon if you make your own)<br>115v/220v heater</li></ul><p>https://www.aliexpress.com/item/1005007804483549.html?spm=a2g0o.order_list.order_list_main.5.447018021uSe0W</p><ul><li>BTT SKR Pico, Mellow Micro 4 or use existing pins on your printer motherboard (MAKE SURE YOU CHECK AMP AND VOLTAGE RATING FOR THE PINS USED)</li></ul><p>https://www.aliexpress.com/item/1005007091558188.html?spm=a2g0o.order_list.order_list_main.67.447018021uSe0W</p><p>https://www.aliexpress.com/item/1005006043530249.html?spm=a2g0o.productlist.main.1.65f46d58NE2FWj&algo_pvid=62e33691-282f-448a-bee9-65ef65d20797&algo_exp_id=62e33691-282f-448a-bee9-65ef65d20797-0&pdp_ext_f=%7B%22order%22%3A%22301%22%2C%22eval%22%3A%221%22%7D&pdp_npi=4%40dis%21CAD%21102.32%2134.79%21%21%21505.04%21171.72%21%40%2112000035474707617%21sea%21CA%21121095306%21X&curPageLogUid=x6UJtjEHY25c&utparam-url=scene%3Asearch%7Cquery_from%3A</p><ul><li>24V 30A One Channel Relay Module</li></ul><p>https://www.amazon.ca/dp/B0CFY5CB2V?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1</p><ul><li>Heat Sink SSR Solid State Relay for Temperature Controller Accessories 40A</li></ul><p>https://www.amazon.ca/dp/B06WLNHPWK?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1</p><ul><li>Bimetal Temperature Control Switch Thermostat 75℃<br>N.C KSD9700<br>Chose higher temperature if you print chamber need to be over 60℃. Chose a sensor 15℃<br>more of the max chamber temperature needed</li></ul><p>https://www.amazon.ca/dp/B00978Q7S0?ref=ppx_yo2ov_dt_b_fed_asin_title</p><ul><li>NTC Thermistor 100K, NTC 3950 100K ohm Thermistor Temp Sensor</li></ul><p>https://www.amazon.ca/dp/B0714MR5BC?ref=ppx_yo2ov_dt_b_fed_asin_title</p><ul><li>Fuse Holder Inline Screw Type + 100 PCS Fast Blow Glass Fuses Assortment<br>Chose the right fuse for your voltage and heater wattage<br>How to calculate fuse needed Ex: 400w / 115v = 3.5 amp so i chose a 4 amp fuse</li></ul><p>https://www.aliexpress.com/item/1005007078035872.html?spm=a2g0o.productlist.main.13.5dfa4df79qWhYf&algo_pvid=0fd9c9f0-8c0f-47ac-9134-9c9fd28df3ec&algo_exp_id=0fd9c9f0-8c0f-47ac-9134-9c9fd28df3ec-6&pdp_ext_f=%7B%22order%22%3A%221138%22%2C%22eval%22%3A%221%22%7D&pdp_npi=4%40dis%21CAD%2111.20%215.13%21%21%2155.26%2125.31%21%40%2112000039327205970%21sea%21CA%21121095306%21X&curPageLogUid=QWT6xmF9gqin&utparam-url=scene%3Asearch%7Cquery_from%3A</p><ul><li>You will also need wire make sure to use the right gauge wire<br>14-16 gauge is a good start</li><li>How to wire the heater: Check the picture</li><li>Make sure you adjust the pin layout to your needs</li><li>For klipper to SAVE_CONFIG after PID_CALIBRATE_CHAMBER_HEATER the <i>[heater_generic chamber_heater] section need to be in printer.cfg file</i></li><li>In Orca Slicer you will need to chose Chamber temperature and enable Activate temperature control. For other slicer i dont know i only use Orca</li><li>This tutorial doest not tell you to place the heater in the chamber. Make sure you chose a good location</li></ul>
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