Installing Accessories 47
Cat. No. 01021161
Auxiliary Board
The auxiliary board (Figure 34) comes installed in all commercial softeners and filters. It can control up to four 24 VAC
outputs for energizing a relay coil only (max current 2.1 Amps output). The Auxiliary Outputs (see Figure 35) are output
triacs that can be programmed to provide power to a normally open (normally no power to auxiliary output until power
required) or a normally closed contact (user choice).
Figure 34. Auxiliary outputs.
Auxiliary Outputs
Auxiliary Input
Figure 35. Auxiliary board input and outputs.
Aux Output 1 is used to power the 24 VAC drive motor found on all valves. When Aux Output 1 is used for this, then Aux
Output 4 is automatically configured to operate a solenoid which can be used for a standby or blocking. Aux Output 4 is
powered during all cycles except service, and unpowered during service.
For CSM and Hi-Flo 50 softeners, Aux Output 2 is used to power the refill solenoid. The Aux Output 2 Active time needs
to be set based on the desired salt dosage/capacity as found in the appendix of the unit’s installation manual.
For example, Figure 36 shows how the timing would work if the CYCLE TYPE was set to NORMALLY OFF, the CYCLE
POSITION was set to BACKWASH, the DELAY minutes greater than zero, and ON minutes greater than zero.
Delay Minutes
On Minutes
Service Backwash Brine Draw
Service Backwash Brine Draw
ON SECONDS
@ 1500 gallons, on seconds is activated by GALLONS
@ 3000 gallons, on seconds is activated by GALLONS
@ 4500 gallons, on seconds is activated by OFF MINUTES
OFF MINUTES
EXAMPLE
GALLONS: 1500
ON SECONDS: 10
OFF MINUTES: 15
Figure 36. Auxiliary board activation timing.
An additional Aux Output 5 is available by using the optional Alarm Relay board. See page 58.
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