Raypak 131 Service Instructions Manual page 37

Fault Finding Tests 10A – 11B
Test 10A
Using a multimeter on the AC voltage
scale, measure between terminal marked
„P-SW‟ and terminal marked „GND‟ on the
control board.
The following result should be obtained:
24 Volts AC.
Test 11A
Using a multimeter on the AC voltage
scale, measure between terminal marked
„VALVE‟ and terminal marked „GND‟ on
the control board.
The following result should be obtained:
24 Volts AC.
TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
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Isolate power, disconnect wiring at pressure or
flow switch. Restore power and using a
multimeter on the ohms scale, measure
between the two terminals on the pressure or
flow switch.
The following result should be obtained whilst
the pump is operating: 0 ohms (pressure or
flow switch closed).
Using a multimeter on the AC voltage
scale, measure between terminal marked
„VALVE‟ and terminal marked „GND‟ on the
control board.
The following result should be obtained:
24 Volts AC.
37
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Test 10B
Test 11B