humifand.conf

# -------------------------------------------------------------------
# humifand config file
#
# This is the standard configuration file of humifand, the controlling
# daemon for the humidity based fan system
#
# -------------------------------------------------------------------

# -------------------------------------------------------------------
# --- general system options
# -------------------------------------------------------------------

log_file = /var/log/humifand.log
pid_file = /var/run/humifand.pid

# -------------------------------------------------------------------
# --- rrd database
# -------------------------------------------------------------------

rrd_file = /var/local/humifand/humifand.rrd

# -------------------------------------------------------------------
# --- fan control options
# -------------------------------------------------------------------

# minimal inside temperature. Stop fans if it gets below this value

min_inside_temp = 8
min_inside_temp_hyst = 1

# minimal outside temperature. If it is more cold outside, do not start the fans 

min_outside_temp = 1
min_outside_temp_hyst = 1

# this is the difference in g/m3 between outside and inside absolute humidity
#
# if a_humi_outside+humi_diff_on < a_humi_inside  --> start fans
# if a_humi_outside+humi_diff_off > a_humi_inside --> start stop
#
# humi_diff_on - humi_diff_off is the hysteresis

humi_diff_on = 0.7
humi_diff_off = 0.5

# we will stop the fans if we get below this relative humidity (in %RH)

min_inside_rh = 65
min_inside_rh_hyst = 2

# the maximum number of minutes the fan is allowed to run per day (example:2h). Duration is set to zero at midnight.

max_daily_fan_runtime = 480

# only if we are within one of these time spans, the fans will start (max: 5). No entry means forbidden (e.g. Su!)

active_time_1 = 9:00-13:00;MoTuWeThFr
active_time_2 = 15:00-18:00;MoTuWeThFr
active_time_3 = 10:00-13:00;Sa
active_time_4 = 13:00-16:00;Sa

# debug. Overwrite the outside temp and rH values with these values. cool for simulating conditions.

#debug_orh = 45
#debug_ot  = 18