SolaStat SolaStat-Plus - SolaStat-Plus HWC Mode; HWC Control Flow Chart

SolaStat-Plus HWC Mode.
SolaStat-Plus-2 HWC Control Flow Chart.
19.01-13
Start SolaStat
HWC Control
Algorithm.
NO
YES
BioSafe.
HasTank sensor
reached 60C in
the last 24hrs?
YES
Holdoff Timer.
Is the timer
running due to
solar heating?
YES
Reheat.
Is the HWC
tank too cold
?
NO
YES
Thermostat
5C Swing.
Is the HWC
tank too cold
?
HWC Relay ON.
SolaStat-Rly ON.
The SolaStat-Plus-2 with HWC output
takes full control of the hot water tank
electric element for greater energy
efficiency yet maintains hot water comfort
and safety levels.
To achieve the best combination of user
expectations and electricity savings there
are 4 modes of operation and 4 adjustable
values.
When the display reads ‘SSd’, the unit is
in Smart Shutdown mode and the HWC
output is on.
Note. All the values are adjustable or
can be disabled.