From bc94075df94be6a6984649ba1fa8f5423bdd84fe Mon Sep 17 00:00:00 2001 From: atse Date: Mon, 14 Oct 2024 11:33:41 +0800 Subject: [PATCH] README: Add section on using resistive heaters --- README.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/README.md b/README.md index ed8e4e9..82e8650 100644 --- a/README.md +++ b/README.md @@ -187,6 +187,12 @@ If the Thermostat is used for temperature control with the Sinara 5432 DAC "Zoti Testing heat flow direction with a low set current is recommended before installation of the TEC module. +## Resistive Heater + +When using resistive heaters with the Thermostat, ensure that the thermal load has sufficient cooling, and connect the heater to TEC0- and TEC0+ or TEC1- and TEC1+. + +Then, set `max_i_neg` and `output_min` to 0 A with `pwm max_i_neg 0` and `pid output_min 0`, and make sure that `output_max` is non-negative. + ### Limits Each MAX1968 TEC driver has analog/PWM inputs for setting