Hvac Klimaoprema FDC25, Technical Manual

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15 14
To open the damper, insert the screwdriver into the
shaft (parallel to the ventilation duct axis) and turn
counterclockwise
To close the damper, press the thermal fuse head with
a screwdriver
Options:
• For this self-operating version, the double contact – S and the 4-contacts – S2 - are available as an option
(factory option or after-sales kit):
The 4-contact – S2 - consists of:
• electric limit switch indicating CLOSED position
• electric limit switch indicating OPEN position
• additional electric limit switch indicating CLOSED position
• additional electric limit switch indicating OPEN
FD25/FD40 solenoid actuator version
Activation:
• Manual activation: Push the release button.
• Self-operating activation: With a fuse at 72 ºC
• Remote activation: By emission or break of current (solenoid with 24/48 V automatic voltage)
Resetting:
- Manual resetting: Tour the lever counter-clockwise
Reminder:
• For this version with remote activation, the double contact S (OPEN / CLOSED) are mounted as standard equipment
• The 4-contact – S2 - are available as an option (factory option or after-sales kit).
7. ELECTRICAL CONNECTIONS
FD25 MANUAL FUSE ONLY MECHANISM
• Electrical wiring of the S option
Electronic control board
FC = Limit switch - end C = common NF = normally closed
DC = Limit switch - start NO = normally open
MANUAL FUSE ONLY MECHANISM UPGRADABLE TO SOLENOID ACTUATOR
• Electrical wiring of solenoid option
Main electronic control board of coil supply
MOT = not in use MAG = solenoid power supply terminals (24 or 48 VDC)
• Electrical wiring of the S option
Main electronic control board of coil supply
FC = Limit switch - end C = common NF = normally closed
DC = Limit switch - start NO = normally open