Issue: 4

Version	MinHW	Date	Done by	Reason
1.00		2018/07/18	gavin.mutch	First Major Release
1.01		2018/08/01	gavin.mutch	Fixed change-over heating/cooling bug
1.02		2018/08/02	gavin.mutch	Added support for setpoint/sense temperature sharing between Fan Coils via Loop Number
1.04		02/08/2018	gavin.mutch	Found the previous bug was not fully fixed. Fixed an issue where OFF had highest priority, but showed up as overriden when an input was triggered.
1.05		07/08/2018	gavin.mutch	Included SDO 48 (Occupancy override) for Christo.
1.06		29/11/2018	christo.malan	Fix loop jumping
1.07		09/02/2019	christo.malan	Add rundown timer, keep fan on if heater was on. Fix Manual Fan and Auto valve mode.
1.20		18/06/2020	christo.malan	Major Update: Fix heater, only switch on after the hot valve opened Add diffuser control: use ave diffuser temp and sp,fan control based on ave disk Add new valve modes 2-10V and 6 way valve Use change over for both valves.
1.21		21/08/2020	christo.malan	fix valve change over operation Keep heater off if not in use Implement heater minimum Off time (if switched off keep it off for minimum of 15s)
1.22		14/09/2020	christo.malan	Fix fan speed sdo, use fan % and not step fix 1s timeout for inputs, move code to interrupt fix demo temp not updated in pdo Always update fan speed in Mulitzone mode fix fan rundown, reload as long as mode is not off fix fan max
1.23		29/09/2020	christo.malan	Add, Calculate EC fan speed from diffusers if temperature is < 0.5C, no sensor, switch off heater fix use fanspeed for Aux and OCC mode add fallback mode for noDiffusers and noMaster remove compiler warnings detect that an other device is polling and reset Fix, only set noDiffuer if Multi Zone is enabled
1.24		13/10/2020	christo.malan	Recaled Fix network startup timing. Prevent unoccupied mode from switching the unit on.
1.25		02/11/2020	christo.malan	Fix overflow in diffuser control fan speed Fix min fan speed for PI output of 0% Load PI settings during upgrade set to defaults and if 0.
1.26		06/11/2020	christo.malan	Remove "fix network startup timing" added in V1.24. Fixed in wallstat version 4.19.