Cascade Operation - Flue Gas Damper Installation - Wolf COB Technical Manual And Installation Instructions

Flue gas damper installation information
Flue gas
damper
COB
Mounting the flue gas damper
Electrical connection installation information
Terminal box
Programmable
Output A1
(230VAC; 200VA)
COB back view
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27 Cascade operation - Flue gas
damper installation
- Push flue gas damper as far as it will go onto connection
adaptor (with test nipple) on the boiler.
- Push the flue as far as it will go onto the flue gas damper
- Correctly route the limit switch cable and motor cable from
the flue gas damper to the terminal box and to the cable
(programmable output A1).
In the delivered condition, the terminal box is fitted to the
back panel of the boiler.
If required, the terminal box can be mounted on the wall to
the right or left of the boiler, or above it.
The control and safety devices are fully wired and tested.
Installation information on the E1 input electrical
connection A1 output for flue gas damper
- Isolate the system from the power supply before opening.
- Unclip the terminal box from the holder.
- Open the terminal box.
- Screw the strain relief into the holes provided.
- Strip approx. 70 mm off the power cable from the limit switch.
- Push the cable through the strain relief and tighten the strain
relief.
- Connect the wires from the limit switch to input E1
(see the chapter "Wiring diagram cascade operation").
- Connect motor cable from the flue gas damper via an on-
site junction box with programmable output A1
(see the chapter "Wiring diagram cascade operation")
- Fit the cover.
Continue with the chapters "Flue gas damper tightness test"
and "Commissioning"
Never touch electrical components or
contacts when the ON/OFF switch is in the ON
position. There is a danger of electrocution,
resulting in a risk to health or death. The main
terminals are 'live', even when the ON/OFF
switch is in the OFF position.
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