Troubleshooting Guide; Maintenance Instructions - Speedaire 12F742 Manual De Instrucciones

TROUBlEsHOOTING GUIDE

symptom
Valve will not close
Timer will not
activate
Condensate not
discharging

MaINTENaNCE INsTRUCTIONs

NOTE: The following maintenance schedule has been developed for
typical applications. Maintenance intervals should be shortened in
harsher environments.
Drain Valve Maintenance schedule
daily: Test the valve for proper operation. Clean the filter ball valve strainer
screen if needed.
monthly (every 30 days): Clean the filter ball valve strainer screen.
closed and pressure is released from the valve prior to cleaning.
To clean the filter screen perform the following steps:
1. Close the strainer ball valve completely to isolate it from the air
receiver tank.
2. Press the TEST button on the timer to vent the pressure remaining
in the valve. Repeat until all pressure is removed.
3. Remove the cap nut from the strainer. If you hear air escaping from
the cleaning port, stop immediately and repeat steps 1 and 2.
4. Remove the stainless steel filter screen and clean it. Remove
any debris that may be in the strainer body before replacing the
filter screen.
5. Reinsert the strainer, replace cap nut and tighten.
6. When putting the Condensate Drain Valve back into service, press
the TEST button to confirm proper function.
10
Possible Cause(s)
1. Debris in solenoid valve
prevents diaphragm
from seating
2. Short in electrical component
1. No electrical supply
2. Timer malfunction
3. Clogged part
4. Solenoid valve malfunction
5. Clogged strainer
If filter ball valve is used, strainer
could be clogged
High pressure air can cause injury from flying
debris. Ensure the strainer ball valve is completely
Corrective action
1. Remove solenoid valve,
disassemble, clean
and reassemble
2. Check and replace power
cord or timer as needed
1. Apply power
2. Replace timer
3. Clean valve
4. Replace solenoid valve
5. Clean strainer
Remove and clean the
filter ball valve strainer