CTC Union EcoZenith i350 L 1x230V, Installation And Maintenance Manual

Page: 92 / 132

92 CTC EcoZenith i360
12.10.4 Settings DHW tank
DHW program
Available options are "Economy", "Normal" and
"Comfort".
Press ”OK” to open the settings for the selected DHW
program. The factory settings shown below apply to
"Normal" mode. Refer to the "Parameter List" chapter
for the "Economy" and "Comfort" modes’ factory
settings.
• Charge start% No (No/50...90)
Value “Charge start: 60% means that hot water
charging is allowed to start when the amount of
hot water energy is at “60%” or below.
“No” means that the estimated amount of hot
water energy does not affect the start of hot water
charging.
• Charge stop upper/lower °C 55 (20...65)
Hot water charging is complete once both sensors
reach the set value.
• Charge start lower °C 40 (15...60)
Hot water charging starts when the temperature
falls below the set temperature.
• DHW °C 50 (38...65)
The DHW out temp.
• Add. DHW, outdoor ºC No (-40...40)
Additional heating is allowed for hot water
charging when the outdoor temperature is equal
to or below the set temperature.
“No” means that additional heating cannot be
used regardless of the outdoor temperature.
• Reset program
The current DHW program will be restored to
factory settings.
Start/stop diff. upper °C 5 (3...7)
This menu is used to set the negative hysteresis before
the heat pump starts charging the DHW tank after the
setpoint has been reached.
Example: If the stop temperature is 55 °C and hysteresis
is set to 5 °C in this menu, it means the heat pump will
start DHW charging again when the temperature in the
tank has dropped to 50 °C.
Max time DHW (min) 30 (10...150)
This specifies the maximum time for which the heat
pump heats the DHW tank.
Charge pump % 90 (20...100)
The charge pump speed is set here.
Part of the "Installer/Settings/DHW" menu.
Menu: "Installer/Settings/DHW/DHW Program".