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40MBAB: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
4
WATER LEVEL Switch Terminal Port CN5 - SWITCH INPUT:
• To enable this switch, jumper
J1
must be removed
• A field supplied float switch can be directly connected to
CN5
• CLOSED contacts = normal
• OPEN contacts = overflow
• When an overflow condition occurs, a signal is sent to the system to turn it off
• Alarm
EE
appears.
Fig. 3 — Auxiliary Contacts
UV LED terminal port CN43 - OUTPUT 24VAC:
• The
UV
LED
port is linked to the unit's fan
• When the fan is running, the relay is closed and there is an output of
24VAC
through the contacts that can be used to power a compatible
UV LED LIGHT
• May also be used to power a pilot relay with
24VAC
coil to control other peripherals
Fig. 4 — Auxiliary Contacts