2 Features and benefits
TCGB0070 rev.3 - 04/2012
29
2
2.3
Start-up benefits
2.3.1
Start-up by pressing the Run/Stop button of LCD user’s interface
The unit is factory set to work only by pressing the Run/Stop button of the LCD user’s interface.
The default value is set for one circuit (Direct) with OTC gradient for heating space of 0.6 (corresponding to a heating floor).
2.3.2 Floor screed drying (Circuits 1 & 2) (Optional function)
The new air to water heat pump has a new special optional function used exclusively for the process of drying screed that
has been newly applied to floor heating system. This process is based on EN-1264 par 4.
When user activates the floor screed drying function, the water set-point follows a predetermined schedule:
1
Water set-point is kept constant at 25ºC for 3
days.
2
Water set-point is set to the maximum heating
supply temperature (but always limited to ≤
55ºC) for 4 days.
3
After 7 days started the floor screed drying, the
water outlet temperature will return at the assig-
ned water temperature setting, depending on
the water rule selected.
0
1
2
3
4
5
6
7
8
9
10
25
30
35
40
11
Water outlet
temperature
(ºC)
Days
2.3.3
Test run operation from LCD user’s interface
In addition to the usual test run by outdoor unit, there is available a test run function from the LCD user’s interface of the
indoor unit to check the system performance.
N O T E
For more information, please refer to Service Manual (SMXX0070).
