Owner's manual

I N S TALLAT ION & OPERATION MANU A L
FFDE, FFDER, FFDERA Models
Fan Filter Unit IOM
Installation & Operation
CONTROL MODES
The ENV1028 operates in one of three selectable modes. The Mode is selected using DIP Switch S1.
• MANUAL control, on-board potentiometer
• ANALOG control, Remote 0-10 VDC
• NETWORK control, MODBUS RTU
1
2
ON ADE02
1 3 4 5 6 7 8
O
N
2
1
2
ON ADE02
1 3 4 5 6 7 8
O
N
2
1
2
ON ADE02
1 3 4 5 6 7 8
O
N
2
Manual Mode = 1 OFF 2 OFF
Analog Mode = 1 ON 2 OFF
Network Mode = 1 OFF 2 ON
1
2
ON ADE02
1 3 4 5 6 7 8
O
N
2
Network Mode = 1 ON 2 ON
Note: Network mode can be configured using either DIP switch setting shown above.
DIP switch pictorials are for reference and may be labeled differently by the manufacturer.
8