Stuart Turner Stuart SPU 130 Mini Installation, Operation & Maintenance Instructions Manual page 16

5.23 Boiler interlock connections:
The circuit connected to the relay is limited to 5 Amps, 230 V a.c.
maximum. The Installer MUST fit a 5 Amp fuse in the circuit to the
alarm relay to protect the SPU Mini from damage.
For connection of output relays follow the steps and images below:
1) Remove the required green connector from the right hand side of the
control board.
2) Strip 6-8 mm insulation from the end of the connection wire (Max 1.5 mm
CSA).
3) Insert wire into connector and screw down terminal screws to secure
(0.6 Nm max.).
Fig. 15
Fig. 16
- 16 -
NO
Boiler Interlock
Fig. 13
Fig. 14
2
Cont ...