diff --git a/Makefile b/Makefile
index bf9a73d..da646ba 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ install: $(service_dir) $(conf_dir) superfans-gpu-controller.service
 	cp etc/systemd/system/superfans-gpu-controller.service $(service_dir)
 	-systemctl enable superfans-gpu-controller.service
 	-systemctl enable superfans-gpu-controller
+	-systemctl start superfans-gpu-controller
 
 uninstall:
 	-systemctl stop superfans-gpu-controller
diff --git a/README.md b/README.md
index 975a4c9..651410c 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ This controller enables automatic adjustments of FANs in SUPERMICRO servers base
 # Requirements
 
 * Linux (tested on Ubuntu 16.04.5)
-* Python 2.7
+* Python 3 / pip3
 * nvidia drivers/tools (`nvidia-smi`)
 * IPMI tool (`ipmitool`) with loaded module (`modprobe ipmi_devintf`)
 
@@ -13,20 +13,17 @@ Tested on SUPERMICRO 4029GP TRT2 with RTX 2080 Ti (nvidia 415.27 drivers).
 
 NOTE: Using this script on other systems requires manual calibration of a function that converts the FANs RPM values into %-based values (function `SUPERMICRO_4029GP_TRT2_RPM_to_percent()` in `supermicro.py`). Current values are hardcoded for SUPERMICRO 4029GP TRT2.
 
+# Install
+
+```bash
+make
+sudo make install
+```
+
+By default python packages are installed using pip3 and superfans-gpu-controller.service is created (started and enabled at boot).
+
 # Usage
 
-Directly call python script (requires sudo access for `impitool`):
-```bash
-sudo python superfans_gpu_controller.py
-```
-
-Or install systemd service (`superfans-gpu-controller.service`):
-
-```bash
-sudo chmod +x ./install_daemon.sh
-sudo ./install_daemon.sh
-```
-
 Service is registered to start at system startup. Start and stop it using:
 ```bash
 # start
@@ -42,6 +39,13 @@ sudo systemctl status superfans-gpu-controller
 sudo journalctl -f -u superfans-gpu-controller
 ```
 
+## Manuall usage
+
+Directly call python script (requires sudo access for `impitool`):
+```bash
+sudo python superfans_gpu_controller.py config.json
+```
+
 ## Print RPMs of all FANs grouped by zones:
 
 ```bash
@@ -50,7 +54,20 @@ sudo python superfans.py
 
 # Settings
 
-Currently the settings are hardcoded into `superfans_gpu_controller.py` using the following table:
+Settings are in /etc/superfans-gpu-controller.json for systemd and by default the config contains:
+
+```python
+{
+    "fan_settings" : {"0": 20,
+                    "60": 25,
+                    "70": 30,
+                    "80": 35,
+                    "87": 40,
+                    "90": 43}
+}
+
+```
+This corresponds to following mapping of GPU temperature in °C to the percent of activated FAN (relative to max RPM as manually set for SUPERMICRO 4029GP TRT2):
  * 0°C => 20%
  * 60°C => 25%
  * 70°C => 30%
@@ -61,7 +78,7 @@ Currently the settings are hardcoded into `superfans_gpu_controller.py` using th
 At full workload using 4x RTX 2080 Ti this results in around 75°C - 80°C at GPU.
 
 ## TODO:
- * [ ] split settings into seperate config file
+ * [x] split settings into seperate config file
  * [ ] enable linear increases between each setting point
  * [ ] enable online calibration of FANs (currenlty hardcoded for SUPERMICRO 4029GP TRT2!!)
  * [ ] enable robust detection of faulty FANs as outliers (using RANSAC-like algorithm)