Trianco TRISTAR OPTIMA JUNIOR K CB, Installation Instructions Manual, Page: 41 / 44

41
On the System (SB) Model only, this item is used to connect external controllers to the boiler.
See wiring diagram ( section 5.6 , fig 24 ) for correct placement. Using a crimping tool, attach the
external control wiring to the terminals provided and insert into the plug provided.
Connect
as shown
Also included (on the System (SB) Model only), which must be fitted, is the diverter valve
power cable connection box. Cut the plug from the cable which feeds from the control box and
feed the cut end into the box. Feed into the other end the cable from the diverter valve and wire
both these into the terminal block provided. Use the strain reliefs provided to secure cables
safely in position. Close the box and mount in an accessible place behind the control panel.
Refer to wiring diagrams (pages 19/20) for terminal block wiring details.
14.1 CONTROLS CONNECTION PLUG
14.2 DIVERTER VALVE CONNECTION
FIG. 48
FIG. 49