TABLE OF CONTENTS
1
BEFORE STARTING THE INSTALLATION
PROCEDURE
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 6
2
INTENDED USE
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 6
INSTALLATION SITE � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 6
3
UNIT DESCRIPTION
3�1
FWB-C: PERFORMANCE AND COMPACTNESS
IN RECESSED CEILING INSTALLATIONS � � � � � � � � p� 6
3�2
MAIN COMPONENTS � � � � � � � � � � � � � � � � � � � � � � � � � � p� 7
ACCESSORIES � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 7
FACTORY MOUNTED KIT VALVES � � � � � � � � � � � � � � � p� 8
4
DIMENSIONS
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 9
5
INSTALLATION
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 9
INSTALLATION REQUIREMENTS� � � � � � � � � � � � � � � � p� 9
5�1
ASSEMBLY OF UNITS � � � � � � � � � � � � � � � � � � � � � � � � � p� 10
6
CHECKS BEFORE STARTUP
7
USE
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 10
8
MAINTENANCE
� � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 11
CLEANING THE AIR FILTER� � � � � � � � � � � � � � � � � � � � p� 11
CLEANING THE HEAT EXCHANGER � � � � � � � � � � � p� 11
9
TROUBLESHOOTING
10
RATED TECHNICAL DATA
11
WEIGHTS
� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 13
12
FIGURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
� � � � � � � � � � � � � � � � � � � � � � � � � p� 6
� � � � � � � � � � � � � � � � p� 10
� � � � � � � � � � � � � � � � � � � � � � p� 11
� � � � � � � � � � � � � � � � � p� 12
p� 86
OPERATING LIMITS
Thermal carrier fluid: water
Water temperature: 5 °C ÷ 90 °C
Air temperature: -20 °C ÷ 40 °C
Control voltage: 230 V
Maximum operating pressure: 16 bar
Limit of room air relative humidity: RH<85% not
condensing
EN