Installing Accessories 39
Cat. No. 01023552
Option 1: Dry Contacts from External Source
Use Option 1 if the system (i.e. irrigation system) has a dry contact that closes when the system will turns on (the HE unit
goes into bypass mode) and opens when the system turns off (the HE unit goes back into service).
Required Components
• GBE Auxiliary Board (P/N 01020748)
• Relay - Customer supplied (Culligan relay (P/N 01022238) can be used if the system has 24 VAC).
WARNING! Disconnect all electrical power to the unit before servicing.
CAUTION! Do not touch any surfaces of the circuit board. Electrical static discharges may cause
damage to the board. Handle the GBE circuit board by holding only the edges of the
circuit board. Keep replacement boards in their special anti-static bags until ready for
use. Mishandling of the circuit board will void the warranty.
1. Remove the circuit board from the enclosure. (see Figure 23 on page 19)
2. Attach the Auxiliary Board onto the GBE circuit board (see Figure 53)
3. Bring the wires from the relay through one of the four openings in the HE electrical enclosure. Attach the strain
relief fittings to the wires. (Figure 24 on page 19)
4. Connect the Aux Input terminals on the Auxiliary Board to the Common and Normally Open terminals of the
relay (see Figure 53).
5. Insert the circuit board into the enclosure; assemble the electrical enclosure to the control and power-up the
control. (Figure 30 on page 23)
6. Follow the programming procedure in the GBE Programming for Commercial Softeners and Filters, except HF
xN Manual (P/N 01027295) to bypass the HE when a signal is receive from the system.
Figure 53. HE Automatic Bypass, Option 1
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