NA 12.54 D EN - 22
User procedure (for all systems):
The selector is used to select between Auto and Manual ventilation
Selecting the mode on the terminal switches the controller to frost protection mode (depending on the configuration).
To adjust the temperature, use the (higher temperature) or (lower temperature) keys
Setting range: + or - 4°C
"4-tube" and "2-tube cooling + electric" systems
HEATING and COOLING are automatic.
"2-tube cooling/heating automatic reversal" system
HEATING or COOLING depends on the water temperature.
"2-tube cooling only" system
The unit can only cool
"2-tube heating only" system
The unit can only heat.
"2-tube heating/cooling + electric" system
HEATING or COOLING depends on the water temperature.
- If the water is hot, the unit can heat.
- If the water is cold, the unit can heat and cool.
21 - USING THE USER TERMINALS
Technical caracteristics
Power supply Standards, directives
Supply voltage 220 - 240Vac 50/60 Hz Index of Protection IP 20 in accordance with EN 6059
Max. consumption 2.5W Insulation class Class II in accordance with EN 60335-1
Frost protection mode consumption 1.09W
Low voltage directive 2006/95/CE
Permitted ambient conditions EN 60335-1
Service temperature 0...45 °C EMC directive 2004/108/CE
Storage and transport temperature -20...65 °C EN 61000-6-1
Humidity 10 à 85 % HR EN 61000-6-3
sans condensation EUBAC EN 15500
Installation RoHS 2011/65/UE
Weight (kg) 0.315
Dimensions L x H x P (mm) 105 x 93 x 59
Additional information
Assembly instructions NA 12.53A V300
Default configuration FO300 parameter sheet