Table of Contents
Advertisement
Control Connections
Power/Pump Module Installation
Product information (expansion board)
Expansion board installation (optional)
44
(continued)
The installation of an expansion board
allows for failure alarm output.
1. Remove cover of power/pump
module by loosening the two Philips
screws on either side, and insert the
four standoffs into provided holes
located within the marked
boundaries of the expansion board.
2. Install expansion board on the four
standoffs and ensure that the
expansion board is locked in place
on all four standoff barbs.
See boiler wiring diagram on
the inside of the boiler
enclosure panel.
3. Connect green wire from expansion
board to quick-connect terminal on
power/pump module board marked
"G".
4. Using flat pliers, remove breakout
tab from module and remove nut
from cable gland. Slide cable through
opening to the mounting hole.
Secure cable gland by tightening nut.
5. Run expansion board cable alongside
the plastic conduit to the bottom of
the Vitodens. Secure cable to
Vitodens frame with wire ties.
Hide quick links:
Advertisement
Table of Contents
