3.2 Room control unit and room thermostat (option)
Ref. Function - Denitions
1 • Selecting the DHW operating mode
Marche
- If the installation is tted with a DHW tank.
- On: Production of DHW according to the time program.
- Off: Preparing the domestic hot water for stopping with the anti-frost function
active.
- Manual start button: Hold down the DHW key for 3 seconds. Switch from
"reduced" to "nominal" until the next time the DHW timer switches over.
2 • Digital display - Operating control, readout of the current temperature, of the heating mode
and of any faults
.
- View the settings.
3 • Exit "ESC" - Quit the menu.
4 • Navigation and setting - Selecting the menu.
- Setting parameters.
- Adjusting the ambient temperature setpoint.
5 • Selecting the heating mode
-
Heating operating according to the heating programme
(Summer/winter mode switchover is automatic).
-
Constant comfort temperature.
-
Constant reduced temperature.
-
Stand-by mode with anti-frost protection (Provided that the heat pump's
electrical power supply is not interrupted).
6 • Information display - Various data (see page 37).
-
Reading error codes (see page 48).
-
Information concerning maintenance, special mode.
7 • Conrm "OK" - Input into the selected menu.
- Conrmation of the parameter settings.
- Conrmation of the adjustment to the comfort temperature setting.
8 • Function not activated
9 • Control knob - Adjusting the ambient temperature setpoint.
10 • Presence key - Comfort / Reduced switchover.
gure 33 - Room control unit and room thermostat (option)
°C
Auto
5
2
9
10
Auto
ESC
OK
0 4 8 12 16 20 24
1
2
3
4
6
5
7
10
8
Room control unit T75 Room thermostat T55
On
Off
Installation and operation manual "1397 - EN" - 31 -
Heat pump split single service alféa Evolution