Download COLORMETRY User`s Manual

2-4-2 External-alarm master contact output
z
This is a SPDT contact. Connect it as required in the installation.
Contact capacity: AC 24 V, 1 Amp.
Note: If an inductive load such as a relay is used, connect a spark suppresser (CR or
a varister) across it.
z
A boiler equipped with a BR1 controller model LX, EX or WX can be configured as
shown in Fig. 9 to indicate a caution, “Check softener” message on the boiler display
in case of an abnormal condition alarm or a Colormetry system error.
Terminal block in Colormetry
1
2
3
4
Be sure to remove the
shorting jumper
78 79 80 81 82 83
Water-softener monitoring
circuit
Terminal block in BG1 boiler
Fig. 9
13