TRA-F12x-A
O
PERATION
Doc: 70-00-0792B V1.3, 20220830
© Vector Controls GmbH, Switzerland
Page 7-34
Subject to change without notice
www.vectorcontrols.com
V
ECTOR
3.2
LCD Display
1 Controlling Mode (see chapter 3.2.2)
8 Dew point alarm (see chapter 3.2.4)
2 Operating Mode (see chapter 3.2.1)
9 Fan auto mode
3 Temperature set point or parameter setting
active
10 Floor heating
4 Room temperature large digits
11 Electric heater
5 Room temperature small digits
12 Fan speed (low, medium, high)
6 Keys locked
13 Large digits (see chapter 3.2.3)
7 Alarm (see chapter 3.2.4)
14 Small digits (see chapter 3.2.3, 3.2.4, 3.2.5)
, and
not used.
3.2.1
Operating modes
Display Mode
Description
Comfort
(occupied)
The controller maintains the Comfort temperature set point defined with parameter P300.
In Comfort mode, the fan can be set to auto or manual fan speed: Low, medium or high.
Economy
(unoccupied)
Controller maintains the Economy temperature set points defined with parameter P301 and
Protection
The controller runs in standby. The system is protected against overheating and frost if
enabled with parameter P303 and P304.
3.2.2
Controlling modes
Display Mode
Description
Heating
Heating mode activates heater for temperatures below set point.
When the heating symbol is blinking, the heating valve is turned on. Also, the electric heater
or floor heating symbols are blinking if the heating valve is turned on.
Cooling
Cooling mode activates cooling equipment for temperatures above the set point.
When the cooling symbol is blinking the cooling valve is turned on.
Fan Only
The bars between the fan symbols show the fan speed (low, medium, high).
10
9
2
3
4
5
6
7
8
12
13
14
11
1
