Power Soak MX-220-HTS Owner's/Service Manual - Manual (Page 27)

26
Component Operation and Checks
Timer
The timer controls how long the pump will run after the "start" push button is pushed in.
Two different timers have been used. They function the same but the settings differ. The
timer settings should be as follows:
MODE OS
RANGE HRS
FACE NUMBERS 0 through 5
DIAL SETTING 4
When the "start" push button is pushed, the timer is activated and sends L1 power to
terminal A1 on the motor starter/overload.
The timer can be checked as follows:
1. Make sure the timer is set as indicated above.
2. If the red "power" light is on, go to step 5.
3. Check voltage across terminal 10 on the timer socket and L1 incoming power. It
should be 208v-230v. If there is no voltage, check the breaker, fuses, transformer
and wiring.
4. Check voltage across terminal 2 on the timer socket and L2 incoming power and
terminal 11 on the timer socket and L2 incoming power. It should be 208v-230v.
If there is no voltage, check the breaker, fuses, transformer, liquid level control,
stop switch and wiring. Make the necessary repair.
5. TURN POWER OFF AT BREAKER PANEL. Remove the timer from the socket.
6. Make sure there is continuity between terminal 9 on the socket and terminal 95 on
the thermal overload. If not, trace the wire and make the necessary repair.
7. Make sure there is continuity between terminal 6 on the socket and terminal 3 on
the "start" push button. If not, trace the wire and make the necessary repair.
8. Push and hold the "start" push button in and check for continuity between terminals
3 and 4 on switch. If there is no continuity, replace the "start" switch.
9. Reinstall the timer and turn power on. Wait 10 seconds for the liquid level control
to activate. The red "power" light should come on.
10. Check voltage across terminal 4 on the "start" push button and L2 incoming power.
It should be 208v-230v. If there is no voltage, trace the wire to the "stop" switch
and make the necessary repair.
11. Push and release the "start" push button. Check voltage across terminal 95 on the
thermal overload and L2 incoming power. It should be 208v-230v. The green "OP"
light should flash on the ISSC timer. The red "OUT" light should illuminate on the
IDEC timer. If there is no voltage, the time is defective.
12.